csv-import for user and agenda(topics)

client/src/app/core/services/base-import.service.ts

@@ -0,0 +1,395 @@
+import { BehaviorSubject, Observable } from 'rxjs';
+import { Injectable, EventEmitter } from '@angular/core';
+import { MatSnackBar } from '@angular/material';
+import { Papa, PapaParseConfig } from 'ngx-papaparse';
+import { TranslateService } from '@ngx-translate/core';
+
+import { BaseViewModel } from 'app/site/base/base-view-model';
+
+/**
+ * Interface for value- Label combinations.
+ * Map objects didn't work, TODO: Use map objects (needs iterating through all objects of a map)
+ */
+export interface ValueLabelCombination {
+    value: string;
+    label: string;
+}
+
+/**
+ * Interface matching a newly created entry with their duplicates and an import status
+ */
+export interface NewEntry<V> {
+    newEntry: V;
+    status: CsvImportStatus;
+    errors: string[];
+    duplicates: V[];
+}
+
+/**
+ * interface for a preview summary
+ */
+export interface ImportCSVPreview {
+    total: number;
+    duplicates: number;
+    errors: number;
+    new: number;
+    done: number;
+}
+
+/**
+ * The permitted states of a new entry. Only a 'new' entry should be imported
+ * and then be set to 'done'.
+ */
+type CsvImportStatus = 'new' | 'error' | 'done';
+
+/**
+ * Abstract service for imports
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export abstract class BaseImportService<V extends BaseViewModel> {
+    /**
+     * List of possible errors and their verbose explanation
+     */
+    public abstract errorList: Object;
+
+    /**
+     * The headers expected in the CSV matching import properties (in order)
+     */
+    public expectedHeader: (string)[];
+
+    /**
+     * The minimimal number of header entries needed to successfully create an entry
+     */
+    public abstract requiredHeaderLength: number;
+
+    /**
+     * The last parsed file object (may be reparsed with new encoding, thus kept in memory)
+     */
+    private _rawFile: File;
+
+    /**
+     * The used column separator. If left on an empty string (default),
+     * the papaparse parser will automatically decide on separators.
+     */
+    public columnSeparator = '';
+
+    /**
+     * The used text separator.
+     */
+    public textSeparator = '"';
+
+    /**
+     * The encoding used by the FileReader object.
+     */
+    public encoding = 'utf-8';
+
+    /**
+     * List of possible encodings and their label. values should be values accepted
+     * by the FileReader API
+     */
+    public encodings: ValueLabelCombination[] = [
+        { value: 'utf-8', label: 'UTF 8 - Unicode' },
+        { value: 'iso-8859-1', label: 'ISO 8859-1 - West European' },
+        { value: 'iso-8859-15', label: 'ISO 8859-15 - West European (with €)' }
+    ];
+
+    /**
+     * List of possible column separators to pass on to papaParse
+     */
+    public columnSeparators: ValueLabelCombination[] = [
+        { label: 'Comma', value: ',' },
+        { label: 'Semicolon', value: ';' },
+        { label: 'Automatic', value: '' }
+    ];
+
+    /**
+     * List of possible text separators to pass on to papaParse. Note that
+     * it cannot automatically detect textseparators (value must not be an empty string)
+     */
+    public textSeparators: ValueLabelCombination[] = [
+        { label: 'Double quotes (")', value: '"' },
+        { label: "Single quotes (')", value: "'" }
+    ];
+
+    /**
+     * FileReader object for file import
+     */
+    private reader = new FileReader();
+
+    /**
+     * the list of parsed models that have been extracted from the opened file
+     */
+    private _entries: NewEntry<V>[] = [];
+
+    /**
+     * BehaviorSubject for displaying a preview for the currently selected entries
+     */
+    public newEntries = new BehaviorSubject<NewEntry<V>[]>([]);
+
+    /**
+     * Emits an error string to display if a file import cannot be done
+     */
+    public errorEvent = new EventEmitter<string>();
+
+    /**
+     * storing the summary preview for the import, to avoid recalculating it
+     * at each display change.
+     */
+    protected _preview: ImportCSVPreview;
+
+    /**
+     * Returns a summary on actions that will be taken/not taken.
+     */
+    public get summary(): ImportCSVPreview {
+        if (!this._preview) {
+            this.updatePreview();
+        }
+        return this._preview;
+    }
+
+    /**
+     * Returns the current entries. For internal use in extending classes, as it
+     * might not be filled with data at all times (see {@link newEntries} for a BehaviorSubject)
+     */
+    protected get entries(): NewEntry<V>[] {
+        return this._entries;
+    }
+
+    /**
+     * Constructor. Creates a fileReader to subscribe to it for incoming parsed
+     * strings
+     *
+     * @param translate Translation service
+     * @param papa External csv parser (ngx-papaparser)
+     * @param matSnackBar snackBar to display import errors
+     */
+    public constructor(protected translate: TranslateService, private papa: Papa, protected matSnackbar: MatSnackBar) {
+        this.reader.onload = (event: any) => {
+            // TODO type: event is a progressEvent,
+            // but has a property target.result, which typescript doesn't recognize
+            this.parseInput(event.target.result);
+        };
+    }
+
+    /**
+     * Clears all stored secondary data
+     * TODO: Merge with clearPreview()
+     */
+    public abstract clearData(): void;
+
+    /**
+     * Parses the data input. Expects a string as returned by via a
+     * File.readAsText() operation
+     *
+     * @param file
+     */
+    public parseInput(file: string): void {
+        this.clearData();
+        this.clearPreview();
+        const papaConfig: PapaParseConfig = {
+            header: false,
+            skipEmptyLines: true,
+            quoteChar: this.textSeparator
+        };
+        if (this.columnSeparator) {
+            papaConfig.delimiter = this.columnSeparator;
+        }
+        const entryLines = this.papa.parse(file, papaConfig).data;
+        const valid = this.checkHeader(entryLines.shift());
+        if (!valid) {
+            return;
+        }
+        entryLines.forEach(line => {
+            const item = this.mapData(line);
+            if (item) {
+                this._entries.push(item);
+            }
+        });
+        this.newEntries.next(this._entries);
+        this.updatePreview();
+    }
+
+    /**
+     * parses pre-prepared entries (e.g. from a textarea) instead of a csv structure
+     *
+     * @param entries: an array of prepared newEntry objects
+     */
+    public setParsedEntries(entries: NewEntry<V>[]): void {
+        this.clearData();
+        this.clearPreview();
+        if (!entries) {
+            return;
+        }
+        this._entries = entries;
+        this.newEntries.next(this._entries);
+        this.updatePreview();
+    }
+
+    /**
+     * Parsing an string representing an entry, extracting secondary data,
+     * returning a new entry object
+     * @param line a line extracted by the CSV (not including the header)
+     */
+    public abstract mapData(line: string): NewEntry<V>;
+
+    /**
+     * Trigger for executing the import.
+     */
+    public abstract async doImport(): Promise<void>;
+
+    /**
+     * counts the amount of duplicates that have no decision on the action to
+     * be taken
+     */
+    public updatePreview(): void {
+        const summary = {
+            total: 0,
+            new: 0,
+            duplicates: 0,
+            errors: 0,
+            done: 0
+        };
+        this._entries.forEach(entry => {
+            summary.total += 1;
+            if (entry.status === 'done') {
+                summary.done += 1;
+                return;
+            } else if (entry.status === 'error' && !entry.duplicates.length) {
+                // errors that are not due to duplicates
+                summary.errors += 1;
+                return;
+            } else if (entry.duplicates.length) {
+                summary.duplicates += 1;
+                return;
+            } else if (entry.status === 'new') {
+                summary.new += 1;
+            }
+        });
+        this._preview = summary;
+    }
+
+    /**
+     * a subscribable representation of the new items to be imported
+     *
+     * @returns an observable BehaviorSubject
+     */
+    public getNewEntries(): Observable<NewEntry<V>[]> {
+        return this.newEntries.asObservable();
+    }
+
+    /**
+     * Handler after a file was selected. Basic checking for type, then hand
+     * over to parsing
+     *
+     * @param event type is Event, but has target.files, which typescript doesn't seem to recognize
+     */
+    public onSelectFile(event: any): void {
+        // TODO type
+        if (event.target.files && event.target.files.length === 1) {
+            if (event.target.files[0].type === 'text/csv') {
+                this._rawFile = event.target.files[0];
+                this.readFile(event.target.files[0]);
+            } else {
+                this.matSnackbar.open(this.translate.instant('Wrong file type detected. Import failed.'), '', {
+                    duration: 3000
+                });
+                this.clearPreview();
+                this._rawFile = null;
+            }
+        }
+    }
+
+    /**
+     * Rereads the (previously selected) file, if present. Thought to be triggered
+     * by parameter changes on encoding, column, text separators
+     */
+    public refreshFile(): void {
+        if (this._rawFile) {
+            this.readFile(this._rawFile);
+        }
+    }
+
+    /**
+     * (re)-reads a given file with the current parameter
+     */
+    private readFile(file: File): void {
+        this.reader.readAsText(file, this.encoding);
+    }
+
+    /**
+     * Checks the first line of the csv (the header) for consistency (length)
+     *
+     * @param row expected to be an array parsed from the first line of a csv file
+     * @returns true if the line has at least the minimum amount of columns
+     */
+    private checkHeader(row: string[]): boolean {
+        const snackbarDuration = 3000;
+        if (row.length < this.requiredHeaderLength) {
+            this.matSnackbar.open(this.translate.instant('The file has too few columns to be parsed properly.'), '', {
+                duration: snackbarDuration
+            });
+
+            this.clearPreview();
+            return false;
+        } else if (row.length < this.expectedHeader.length) {
+            this.matSnackbar.open(
+                this.translate.instant('The file seems to have some ommitted columns. They will be considered empty.'),
+                '',
+                { duration: snackbarDuration }
+            );
+        } else if (row.length > this.expectedHeader.length) {
+            this.matSnackbar.open(
+                this.translate.instant('The file seems to have additional columns. They will be ignored.'),
+                '',
+                { duration: snackbarDuration }
+            );
+        }
+        return true;
+    }
+
+    /**
+     * Resets the data and preview (triggered upon selecting an invalid file)
+     */
+    public clearPreview(): void {
+        this._entries = [];
+        this.newEntries.next([]);
+        this._preview = null;
+    }
+
+    /**
+     * set a list of short names for error, indicating which column failed
+     */
+    public setError(entry: NewEntry<V>, error: string): void {
+        if (this.errorList.hasOwnProperty(error)) {
+            if (!entry.errors) {
+                entry.errors = [error];
+            } else if (!entry.errors.includes(error)) {
+                entry.errors.push(error);
+                entry.status = 'error';
+            }
+        }
+    }
+
+    /**
+     * Get an extended error description.
+     *
+     * @param error
+     * @returns the extended error desription for that error
+     */
+    public verbose(error: string): string {
+        return this.errorList[error];
+    }
+
+    /**
+     * Queries if a given error is present in the given entry
+     *
+     * @param entry the entry to check for the error.
+     * @param error The error to check for
+     * @returns true if the error is present
+     */
+    public hasError(entry: NewEntry<V>, error: string): boolean {
+        return entry.errors.includes(error);
+    }
+}

client/src/app/shared/models/users/user.ts

@@ -33,12 +33,12 @@ export class User extends ProjectableBaseModel implements Searchable {
         const addition: string[] = [];
 
         // addition: add number and structure level
-        const structure_level = this.structure_level.trim();
+        const structure_level = this.structure_level ? this.structure_level.trim() : '';
         if (structure_level) {
             addition.push(structure_level);
         }
 
-        const number = this.number.trim();
+        const number = this.number ? this.number.trim() : null;
         if (number) {
             // TODO Translate
             addition.push('No.' + ' ' + number);
@@ -54,12 +54,17 @@ export class User extends ProjectableBaseModel implements Searchable {
         return this.groups_id.some(groupId => groupId === id);
     }
 
-    // TODO read config values  for "users_sort_by"
+    // TODO read config values for "users_sort_by"
+
+    /**
+     * Getter for the short name (Title, given name, surname)
+     *
+     * @returns a non-empty string
+     */
     public get short_name(): string {
-        const title = this.title.trim();
-        const firstName = this.first_name.trim();
-        const lastName = this.last_name.trim();
-        let shortName = '';
+        const title = this.title ? this.title.trim() : '';
+        const firstName = this.first_name ? this.first_name.trim() : '';
+        const lastName = this.last_name ? this.last_name.trim() : '';
 
         // TODO need DS adjustment first first
         // if (this.DS.getConfig('users_sort_by').value === 'last_name') {
@@ -70,9 +75,9 @@ export class User extends ProjectableBaseModel implements Searchable {
         //     }
         // }
 
-        shortName += `${firstName} ${lastName}`;
+        let shortName = `${firstName} ${lastName}`;
 
-        if (shortName.trim() === '') {
+        if (!shortName) {
             shortName = this.username;
         }
 
@@ -80,7 +85,7 @@ export class User extends ProjectableBaseModel implements Searchable {
             shortName = `${title} ${shortName}`;
         }
 
-        return shortName.trim();
+        return shortName;
     }
 
     public getTitle(): string {

client/src/app/shared/shared.module.ts

@@ -25,6 +25,7 @@ import {
     MatButtonToggleModule,
     MatBadgeModule,
     MatStepperModule,
+    MatTabsModule,
     MatBottomSheetModule
 } from '@angular/material';
 import { MatAutocompleteModule } from '@angular/material/autocomplete';
@@ -118,6 +119,7 @@ import { LogoComponent } from './components/logo/logo.component';
         MatRadioModule,
         MatButtonToggleModule,
         MatStepperModule,
+        MatTabsModule,
         DragDropModule,
         TranslateModule.forChild(),
         RouterModule,
@@ -151,6 +153,7 @@ import { LogoComponent } from './components/logo/logo.component';
         MatSnackBarModule,
         MatChipsModule,
         MatTooltipModule,
+        MatTabsModule,
         MatBadgeModule,
         MatIconModule,
         MatRadioModule,

client/src/app/site/agenda/agenda-import.service.spec.ts

@@ -0,0 +1,17 @@
+import { TestBed } from '@angular/core/testing';
+
+import { AgendaImportService } from './agenda-import.service';
+import { E2EImportsModule } from 'e2e-imports.module';
+
+describe('AgendaImportService', () => {
+    beforeEach(() =>
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule]
+        })
+    );
+
+    it('should be created', () => {
+        const service: AgendaImportService = TestBed.get(AgendaImportService);
+        expect(service).toBeTruthy();
+    });
+});

client/src/app/site/agenda/agenda-import.service.ts

@@ -0,0 +1,216 @@
+import { Injectable } from '@angular/core';
+import { MatSnackBar } from '@angular/material';
+import { Papa } from 'ngx-papaparse';
+import { TranslateService } from '@ngx-translate/core';
+
+import { BaseImportService, NewEntry } from 'app/core/services/base-import.service';
+import { CreateTopic } from './models/create-topic';
+import { DurationService } from 'app/core/services/duration.service';
+import { itemVisibilityChoices } from 'app/shared/models/agenda/item';
+import { TopicRepositoryService } from './services/topic-repository.service';
+import { ViewCreateTopic } from './models/view-create-topic';
+
+@Injectable({
+    providedIn: 'root'
+})
+export class AgendaImportService extends BaseImportService<ViewCreateTopic> {
+    /**
+     * Helper for mapping the expected header in a typesafe way. Values will be passed to
+     * {@link expectedHeader}
+     */
+    public headerMap: (keyof ViewCreateTopic)[] = ['title', 'text', 'duration', 'comment', 'type'];
+
+    /**
+     * The minimimal number of header entries needed to successfully create an entry
+     */
+    public requiredHeaderLength = 1;
+
+    /**
+     * List of possible errors and their verbose explanation
+     */
+    public errorList = {
+        NoTitle: 'A Topic needs a title',
+        Duplicates: 'A topic tiwh this title already exists',
+        ParsingErrors: 'Some csv values could not be read correctly.'
+    };
+
+    /**
+     * Constructor. Calls the abstract class and sets the expected header
+     *
+     * @param durationService: a service for converting time strings and numbers
+     * @param repo: The Agenda repository service
+     * @param translate A translation service for translating strings
+     * @param papa Csv parser
+     * @param matSnackBar MatSnackBar for displaying errors
+     */
+    public constructor(
+        private durationService: DurationService,
+        private repo: TopicRepositoryService,
+        translate: TranslateService,
+        papa: Papa,
+        matSnackBar: MatSnackBar
+    ) {
+        super(translate, papa, matSnackBar);
+        this.expectedHeader = this.headerMap;
+    }
+
+    /**
+     * Clear all secondary import data. As agenda items have no secondary imports,
+     * this is an empty function
+     */
+    public clearData(): void {}
+
+    /**
+     * Parses a string representing an entry
+     *
+     * @param line a line extracted by the CSV (without the header)
+     * @returns a new entry for a Topic
+     */
+    public mapData(line: string): NewEntry<ViewCreateTopic> {
+        const newEntry = new ViewCreateTopic(new CreateTopic());
+        const headerLength = Math.min(this.expectedHeader.length, line.length);
+        let hasErrors = false;
+        for (let idx = 0; idx < headerLength; idx++) {
+            switch (this.expectedHeader[idx]) {
+                case 'duration':
+                    try {
+                        const duration = this.parseDuration(line[idx]);
+                        if (duration > 0) {
+                            newEntry.duration = duration;
+                        }
+                    } catch (e) {
+                        if (e instanceof TypeError) {
+                            hasErrors = true;
+                            continue;
+                        }
+                    }
+                    break;
+                case 'type':
+                    try {
+                        newEntry.type = this.parseType(line[idx]);
+                    } catch (e) {
+                        if (e instanceof TypeError) {
+                            hasErrors = true;
+                            continue;
+                        }
+                    }
+                    break;
+                default:
+                    newEntry[this.expectedHeader[idx]] = line[idx];
+            }
+        }
+        const updateModels = this.repo.getTopicDuplicates(newEntry) as ViewCreateTopic[];
+
+        // set type to 'public' if none is given in import
+        if (!newEntry.type) {
+            newEntry.type = 1;
+        }
+        const mappedEntry: NewEntry<ViewCreateTopic> = {
+            newEntry: newEntry,
+            duplicates: [],
+            status: 'new',
+            errors: []
+        };
+        if (updateModels.length) {
+            mappedEntry.duplicates = updateModels;
+            this.setError(mappedEntry, 'Duplicates');
+        }
+        if (hasErrors) {
+            this.setError(mappedEntry, 'ParsingErrors');
+        }
+        if (!mappedEntry.newEntry.isValid) {
+            this.setError(mappedEntry, 'NoTitle');
+        }
+        return mappedEntry;
+    }
+
+    /**
+     * Executing the import. Parses all entries without errors and submits them
+     * to the server. The entries will receive the status 'done' on success.
+     */
+    public async doImport(): Promise<void> {
+        for (const entry of this.entries) {
+            if (entry.status !== 'new') {
+                continue;
+            }
+            await this.repo.create(entry.newEntry.topic);
+            entry.status = 'done';
+        }
+        this.updatePreview();
+    }
+
+    /**
+     * Matching the duration string/number to the time model in use
+     *
+     * @param input
+     * @returns duration as defined in durationService
+     */
+    public parseDuration(input: string): number {
+        return this.durationService.stringToDuration(input);
+    }
+
+    /**
+     * Converts information from 'item type' to a model-based type number.
+     * Accepts either old syntax (numbers) or new visibility choice csv names;
+     * both defined in {@link itemVisibilityChoices}
+     * Empty values will be interpreted as default 'public' agenda topics
+     *
+     * @param input
+     * @returns a number as defined for the itemVisibilityChoices
+     */
+    public parseType(input: string | number): number {
+        if (!input) {
+            return 1; // default, public item
+        } else if (typeof input === 'string') {
+            const visibility = itemVisibilityChoices.find(choice => choice.csvName === input);
+            if (visibility) {
+                return visibility.key;
+            }
+        } else if (input === 1) {
+            // Compatibility with the old client's isInternal column
+            const visibility = itemVisibilityChoices.find(choice => choice.name === 'Internal item');
+            if (visibility) {
+                return visibility.key;
+            }
+        } else {
+            throw new TypeError('type could not be matched');
+        }
+    }
+
+    /**
+     * parses the data given by the textArea. Expects an agenda title per line
+     *
+     * @param data a string as produced by textArea input
+     */
+    public parseTextArea(data: string): void {
+        const newEntries: NewEntry<ViewCreateTopic>[] = [];
+        this.clearData();
+        this.clearPreview();
+        const lines = data.split('\n');
+        lines.forEach(line => {
+            if (!line.length) {
+                return;
+            }
+            const newTopic = new ViewCreateTopic(
+                new CreateTopic({
+                    title: line,
+                    agenda_type: 1 // set type to 'public item' by default
+                })
+            );
+            const newEntry: NewEntry<ViewCreateTopic> = {
+                newEntry: newTopic,
+                duplicates: [],
+                status: 'new',
+                errors: []
+            };
+            const duplicates = this.repo.getTopicDuplicates(newTopic);
+            if (duplicates.length) {
+                // TODO this is a dishonest casting. duplicates should not be required to be View
+                newEntry.duplicates = duplicates as ViewCreateTopic[];
+                this.setError(newEntry, 'Duplicates');
+            }
+            newEntries.push(newEntry);
+        });
+        this.setParsedEntries(newEntries);
+    }
+}

client/src/app/site/agenda/agenda-routing.module.ts

@@ -1,11 +1,14 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
+
+import { AgendaImportListComponent } from './components/agenda-import-list/agenda-import-list.component';
 import { AgendaListComponent } from './components/agenda-list/agenda-list.component';
 import { TopicDetailComponent } from './components/topic-detail/topic-detail.component';
 import { SpeakerListComponent } from './components/speaker-list/speaker-list.component';
 
 const routes: Routes = [
     { path: '', component: AgendaListComponent },
+    { path: 'import', component: AgendaImportListComponent },
     { path: 'topics/new', component: TopicDetailComponent },
     { path: 'topics/:id', component: TopicDetailComponent },
     { path: ':id/speakers', component: SpeakerListComponent }

client/src/app/site/agenda/agenda.module.ts

@@ -1,11 +1,12 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 
+import { AgendaImportListComponent } from './components/agenda-import-list/agenda-import-list.component';
+import { AgendaListComponent } from './components/agenda-list/agenda-list.component';
+import { ItemInfoDialogComponent } from './components/item-info-dialog/item-info-dialog.component';
 import { AgendaRoutingModule } from './agenda-routing.module';
 import { SharedModule } from '../../shared/shared.module';
-import { AgendaListComponent } from './components/agenda-list/agenda-list.component';
 import { TopicDetailComponent } from './components/topic-detail/topic-detail.component';
-import { ItemInfoDialogComponent } from './components/item-info-dialog/item-info-dialog.component';
 
 /**
  * AppModule for the agenda and it's children.
@@ -13,6 +14,6 @@ import { ItemInfoDialogComponent } from './components/item-info-dialog/item-info
 @NgModule({
     imports: [CommonModule, AgendaRoutingModule, SharedModule],
     entryComponents: [ItemInfoDialogComponent],
-    declarations: [AgendaListComponent, TopicDetailComponent, ItemInfoDialogComponent]
+    declarations: [AgendaListComponent, TopicDetailComponent, ItemInfoDialogComponent, AgendaImportListComponent]
 })
 export class AgendaModule {}

client/src/app/site/agenda/components/agenda-import-list/agenda-import-list.component.html

@@ -0,0 +1,226 @@
+
+<os-head-bar [nav]="false">
+    <!-- Title -->
+    <div class="title-slot"><h2 translate>Import topics</h2></div>
+
+    <div class="menu-slot">
+        <button *ngIf="hasFile && newCount" mat-button (click)="doImport()">
+            <span class="upper" translate> Import</span>
+        </button>
+    </div>
+</os-head-bar>
+
+<mat-card class="os-form-card import-table">
+    <mat-tab-group (selectedTabChange)="onTabChange()">
+        <mat-tab label="{{ 'CSV import' | translate }}">
+            <span translate>Required comma or semicolon separated values with these column header names in the first row:</span>
+                <br />
+            <div class="code red-warning-text">
+    <span translate>Title</span>,&nbsp;
+    <span translate>Text</span>,&nbsp;
+    <span translate>Duration</span>,&nbsp;
+    <span translate>Comment</span>,&nbsp;
+    <span translate>Internal item</span>
+</div>
+<ul>
+    <li translate>Title is required. All other fields are optional and may be empty.
+    </li>
+    <li translate>Additional columns after the required ones may be present and won't affect the import.</li>
+</ul>
+    <button mat-button color="accent" (click)="downloadCsvExample()" translate>Download CSV example file</button>
+    <div class="wrapper">
+        <mat-form-field>
+            <mat-label translate>Encoding of the file</mat-label>
+            <mat-select
+                class="selection"
+                placeholder="translate.instant('Select encoding')"
+                (selectionChange)="selectEncoding($event)"
+                [value]="encodings[0].value"
+            >
+                <mat-option *ngFor="let option of encodings" [value]="option.value">
+                    {{ option.label | translate }}
+                </mat-option>
+            </mat-select>
+        </mat-form-field>
+        <mat-form-field>
+            <mat-label translate> Column Separator</mat-label>
+            <mat-select class="selection" (selectionChange)="selectColSep($event)" value="">
+                <mat-option *ngFor="let option of columnSeparators" [value]="option.value">
+                    {{ option.label | translate }}
+                </mat-option>
+            </mat-select>
+        </mat-form-field>
+        <mat-form-field>
+            <mat-label translate>Text separator</mat-label>
+            <mat-select class="selection" (selectionChange)="selectTextSep($event)" value="&quot;">
+                <mat-option *ngFor="let option of textSeparators" [value]="option.value">
+                    {{ option.label | translate }}
+                </mat-option>
+            </mat-select>
+        </mat-form-field>
+    </div>
+    <div>
+        <div>
+            <input
+                id="agenda-import-file-input"
+                type="file"
+                class="hidden-input"
+                accept="text"
+                #fileInput
+                (change)="onSelectFile($event)"
+            />
+            <button mat-button onclick="document.getElementById('agenda-import-file-input').click()">
+                <span translate> Select file</span>
+            </button>
+        </div>
+    </div>
+        </mat-tab>
+        <!-- textAreaImport-->
+        <mat-tab label="{{ 'Text import' | translate }}">
+            <div [formGroup]="textAreaForm">
+                <div>
+                    <span translate>
+                        Paste/write your topics in this textbox.</span>
+                    <span translate>
+                        Keep each item in a single line.
+                    </span>
+                </div>
+                <mat-form-field>
+                    <textarea
+                        matInput
+                        formControlName="inputtext"
+                        placeholder="{{ 'Insert topics here' | translate }}"
+                        cdkTextareaAutosize
+                        cdkAutosizeMinRows="3"
+                        cdkAutosizeMaxRows="10"
+                    ></textarea>
+                </mat-form-field>
+            </div>
+            <div>
+                <button mat-button color="accent" (click)="parseTextArea()"><span translate>Preview</span></button>
+            </div>
+        </mat-tab>
+    </mat-tab-group>
+</mat-card>
+
+<!-- preview table -->
+<mat-card *ngIf="hasFile" class="os-form-card import-table">
+        <h3 translate> Preview</h3>
+    <div class="summary">
+        <!-- new entries -->
+        <div *ngIf="newCount">
+            &nbsp;
+            <mat-icon inline>playlist_add</mat-icon>
+            <span>&nbsp;{{ newCount }}&nbsp;</span> <span translate>Topics(s) will be imported.</span>
+        </div>
+        <!-- errors/duplicates -->
+        <div *ngIf="nonImportableCount" class="red-warning-text">
+            &nbsp;
+            <mat-icon inline>warning</mat-icon>
+            <span>&nbsp;{{ nonImportableCount }}&nbsp;</span> <span translate>entries will be ommitted.</span>
+        </div>
+        <!-- have been imported -->
+        <div *ngIf="doneCount" class="green-text">
+            &nbsp;
+            <mat-icon inline>done</mat-icon>
+            <span>&nbsp;{{ doneCount }}&nbsp;</span> <span translate>Topics have been imported.</span>
+        </div>
+    </div>
+    <div *ngIf="newCount">
+        <span translate>Click on 'import' (right top corner) to import the new topics.
+        </span>
+    </div>
+    <div>
+        <mat-select *ngIf="nonImportableCount" class="filter-imports" [(value)]="shown" (selectionChange)="setFilter()">
+            <mat-option value="all" translate> Show all </mat-option>
+            <mat-option value="error" translate> Show errors only </mat-option>
+            <mat-option value="noerror" translate> Show correct entries </mat-option>
+        </mat-select>
+    </div>
+    <div class="table-container">
+        <table mat-table class="on-transition-fade" [dataSource]="dataSource" matSort>
+            <!-- Status column -->
+            <ng-container matColumnDef="status" class="first-column" sticky>
+                <mat-header-cell *matHeaderCellDef></mat-header-cell>
+                <mat-cell *matCellDef="let entry" class="first-column">
+                    <div *ngIf="entry.status === 'error'">
+                        <mat-icon
+                            class="red-warning-text"
+                            matTooltip="{{ entry.errors.length }} {{ 'errors' | translate }}"
+                        >
+                            {{ getActionIcon(entry) }}
+                        </mat-icon>
+                    </div>
+                    <div *ngIf="entry.status === 'new'">
+                        <mat-icon matTooltip="{{ 'Topic will be imported' | translate }}">
+                            {{ getActionIcon(entry) }}
+                        </mat-icon>
+                    </div>
+                    <div *ngIf="entry.status === 'done'">
+                        <mat-icon matTooltip="{{ 'Topic has been imported' | translate }}">
+                            {{ getActionIcon(entry) }}
+                        </mat-icon>
+                    </div>
+                </mat-cell>
+            </ng-container>
+
+            <!-- title column -->
+            <ng-container matColumnDef="title">
+                <mat-header-cell *matHeaderCellDef translate>Title</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <mat-icon
+                        color="warn"
+                        inline
+                        *ngIf="hasError(entry, 'Duplicates')"
+                        matTooltip="{{ getVerboseError('Duplicates') | translate }}"
+                    >
+                        warning
+                    </mat-icon>
+                    <mat-icon
+                        color="warn"
+                        inline
+                        *ngIf="hasError(entry, 'NoTitle')"
+                        matTooltip="{{ getVerboseError('NoTitle') | translate }}"
+                    >
+                        warning
+                    </mat-icon>
+                    {{ entry.newEntry.title }}
+                </mat-cell>
+            </ng-container>
+
+            <ng-container matColumnDef="text">
+                <mat-header-cell *matHeaderCellDef translate>Item text</mat-header-cell>
+                <mat-cell *matCellDef="let entry" matTooltip="{{ getLongPreview(entry.newEntry.text) }}">
+                    {{ getShortPreview(entry.newEntry.text) }}
+                </mat-cell>
+            </ng-container>
+
+            <!-- duration column -->
+            <ng-container matColumnDef="duration">
+                    <mat-header-cell *matHeaderCellDef translate>Duration</mat-header-cell>
+                    <mat-cell *matCellDef="let entry">
+                        {{ getDuration(entry.newEntry.duration) }}
+                    </mat-cell>
+            </ng-container>
+
+            <!-- comment column-->
+            <ng-container matColumnDef="comment">
+                <mat-header-cell *matHeaderCellDef translate>Comment</mat-header-cell>
+                    <mat-cell *matCellDef="let entry">
+                        {{ entry.newEntry.comment }}
+                    </mat-cell>
+            </ng-container>
+
+            <!-- type column -->
+            <ng-container matColumnDef="type">
+                <mat-header-cell *matHeaderCellDef translate>Type</mat-header-cell>
+                    <mat-cell *matCellDef="let entry">
+                {{ getTypeString(entry.newEntry.type) | translate }}
+                </mat-cell>
+            </ng-container>
+
+            <mat-header-row *matHeaderRowDef="getColumnDefinition()"></mat-header-row>
+            <mat-row [ngClass]="getStateClass(row)" *matRowDef="let row; columns: getColumnDefinition()"> </mat-row>
+        </table>
+    </div>
+</mat-card>

client/src/app/site/agenda/components/agenda-import-list/agenda-import-list.component.spec.ts

@@ -0,0 +1,26 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AgendaImportListComponent } from './agenda-import-list.component';
+import { E2EImportsModule } from 'e2e-imports.module';
+
+describe('AgendaImportListComponent', () => {
+    let component: AgendaImportListComponent;
+    let fixture: ComponentFixture<AgendaImportListComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            declarations: [AgendaImportListComponent],
+            imports: [E2EImportsModule]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(AgendaImportListComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

client/src/app/site/agenda/components/agenda-import-list/agenda-import-list.component.ts

@@ -0,0 +1,156 @@
+import { Component } from '@angular/core';
+import { FormGroup, FormBuilder } from '@angular/forms';
+import { MatSnackBar } from '@angular/material';
+import { Title } from '@angular/platform-browser';
+import { TranslateService } from '@ngx-translate/core';
+
+import { AgendaImportService } from '../../agenda-import.service';
+import { BaseImportListComponent } from 'app/site/base/base-import-list';
+import { DurationService } from 'app/core/services/duration.service';
+import { FileExportService } from 'app/core/services/file-export.service';
+import { itemVisibilityChoices } from 'app/shared/models/agenda/item';
+import { ViewCreateTopic } from '../../models/view-create-topic';
+
+/**
+ * Component for the agenda import list view.
+ */
+@Component({
+    selector: 'os-agenda-import-list',
+    templateUrl: './agenda-import-list.component.html'
+})
+export class AgendaImportListComponent extends BaseImportListComponent<ViewCreateTopic> {
+    /**
+     * A form for text input
+     */
+    public textAreaForm: FormGroup;
+
+    /**
+     * Constructor for list view bases
+     *
+     * @param titleService the title serivce
+     * @param matSnackBar snackbar for displaying errors
+     * @param translate the translate service
+     * @param importer: The agenda csv import service
+     * @param formBuilder: FormBuilder for the textarea
+     * @param exporter: ExportService for example download
+     * @param durationService: Service converting numbers to time strings
+     */
+    public constructor(
+        titleService: Title,
+        matSnackBar: MatSnackBar,
+        translate: TranslateService,
+        importer: AgendaImportService,
+        formBuilder: FormBuilder,
+        private exporter: FileExportService,
+        private durationService: DurationService
+    ) {
+        super(importer, titleService, translate, matSnackBar);
+        this.textAreaForm = formBuilder.group({ inputtext: [''] });
+    }
+
+    /**
+     * Get the first characters of a string, for preview purposes
+     *
+     * @param input any string
+     * @returns a string with at most 50 characters
+     */
+    public getShortPreview(input: string): string {
+        if (!input) {
+            return '';
+        }
+        if (input.length > 50) {
+            return this.stripHtmlTags(input.substring(0, 47)) + '...';
+        }
+        return this.stripHtmlTags(input);
+    }
+
+    /**
+     * Fetch the first and last 150 characters of a string; used within
+     * tooltips for the preview
+     *
+     * @param input any string
+     * @returns a string with the first and last 150 characters of the input
+     * string
+     */
+    public getLongPreview(input: string): string {
+        if (!input) {
+            return '';
+        }
+        if (input.length < 300) {
+            return this.stripHtmlTags(input);
+        }
+        return (
+            this.stripHtmlTags(input.substring(0, 147)) +
+            ' [...] ' +
+            this.stripHtmlTags(input.substring(input.length - 150, input.length))
+        );
+    }
+
+    /**
+     * Helper to remove html tags from a string.
+     * CAUTION: It is just a basic "don't show distracting html tags in a
+     * preview", not an actual tested sanitizer!
+     *
+     * @param inputString
+     * @returns a string without hatml tags
+     */
+    private stripHtmlTags(inputString: string): string {
+        const regexp = new RegExp(/<[^ ][^<>]*(>|$)/g);
+        return inputString.replace(regexp, '').trim();
+    }
+
+    /**
+     * Triggers an example csv download
+     */
+    public downloadCsvExample(): void {
+        const headerRow = ['Title', 'Text', 'Duration', 'Comment', 'Internal item']
+            .map(item => this.translate.instant(item))
+            .join(',');
+        const rows = [
+            headerRow,
+            'Demo 1,Demo text 1,1:00,test comment,',
+            'Break,,0:10,,internal',
+            'Demo 2,Demo text 2,1:30,,hidden'
+        ];
+        this.exporter.saveFile(rows.join('\n'), this.translate.instant('Topic example') + '.csv');
+    }
+
+    /**
+     * Fetches the string to a item_type
+     *
+     * @param type
+     * @returns A string, which may be empty if the type is not found in the visibilityChoices
+     */
+    public getTypeString(type: number): string {
+        const visibility = itemVisibilityChoices.find(choice => choice.key === type);
+        return visibility ? visibility.name : '';
+    }
+
+    /**
+     * Sends the data in the text field input area to the importer
+     */
+    public parseTextArea(): void {
+        (this.importer as AgendaImportService).parseTextArea(this.textAreaForm.get('inputtext').value);
+    }
+
+    /**
+     * Triggers a change in the tab group: Clearing the preview selection
+     */
+    public onTabChange(): void {
+        this.importer.clearPreview();
+    }
+
+    /**
+     * Gets a readable string for a duration
+     *
+     * @param duration
+     * @returns a duration string, an empty string if the duration is not set or negative
+     */
+    public getDuration(duration: number): string {
+        if (duration >= 0) {
+            return this.durationService.durationToString(duration);
+        } else {
+            return '';
+        }
+    }
+}

client/src/app/site/agenda/components/agenda-list/agenda-list.component.html

@@ -107,6 +107,10 @@
             <mat-icon>archive</mat-icon>
             <span translate>Export as CSV</span>
         </button>
+        <button mat-menu-item *osPerms="'agenda.can_manage'" routerLink="import">
+                <mat-icon>save_alt</mat-icon>
+                <span translate>Import</span><span>&nbsp;...</span>
+        </button>
     </div>
 
     <div *ngIf="isMultiSelect">

client/src/app/site/agenda/components/agenda-list/agenda-list.component.ts

@@ -11,10 +11,10 @@ import { PromptService } from '../../../../core/services/prompt.service';
 import { ViewItem } from '../../models/view-item';
 
 import { AgendaCsvExportService } from '../../services/agenda-csv-export.service';
+import { ConfigService } from 'app/core/services/config.service';
+import { DurationService } from 'app/core/services/duration.service';
 import { ItemInfoDialogComponent } from '../item-info-dialog/item-info-dialog.component';
 import { ViewportService } from 'app/core/services/viewport.service';
-import { DurationService } from 'app/site/core/services/duration.service';
-import { ConfigService } from 'app/core/services/config.service';
 
 /**
  * List view for the agenda.

client/src/app/site/agenda/components/item-info-dialog/item-info-dialog.component.ts

@@ -4,7 +4,7 @@ import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
 
 import { ViewItem } from '../../models/view-item';
 import { itemVisibilityChoices } from 'app/shared/models/agenda/item';
-import { DurationService } from 'app/site/core/services/duration.service';
+import { DurationService } from 'app/core/services/duration.service';
 
 /**
  * Dialog component to change agenda item details

client/src/app/site/agenda/components/topic-detail/topic-detail.component.ts

@@ -15,6 +15,7 @@ import { BehaviorSubject } from 'rxjs';
 import { DataStoreService } from 'app/core/services/data-store.service';
 import { Mediafile } from 'app/shared/models/mediafiles/mediafile';
 import { Item, itemVisibilityChoices } from 'app/shared/models/agenda/item';
+import { CreateTopic } from '../../models/create-topic';
 
 /**
  * Detail page for topics.
@@ -125,7 +126,7 @@ export class TopicDetailComponent extends BaseViewComponent {
             if (!this.topicForm.value.agenda_parent_id) {
                 delete this.topicForm.value.agenda_parent_id;
             }
-            await this.repo.create(this.topicForm.value);
+            await this.repo.create(new CreateTopic(this.topicForm.value));
             this.router.navigate([`/agenda/`]);
         } else {
             this.setEditMode(false);

client/src/app/site/agenda/models/create-topic.ts

@@ -0,0 +1,17 @@
+import { Topic } from 'app/shared/models/topics/topic';
+
+/**
+ * Representation of Topic during creation.
+ */
+export class CreateTopic extends Topic {
+    public attachments_id: number[];
+    public agenda_type: number;
+    public agenda_parent_id: number;
+    public agenda_comment: string;
+    public agenda_duration: number;
+    public agenda_weight: number;
+
+    public constructor(input?: any) {
+        super(input);
+    }
+}

client/src/app/site/agenda/models/view-create-topic.ts

@@ -0,0 +1,110 @@
+import { CreateTopic } from './create-topic';
+import { ViewTopic } from './view-topic';
+
+/**
+ * View model for Topic('Agenda item') creation.
+ *
+ */
+export class ViewCreateTopic extends ViewTopic {
+    public get topic(): CreateTopic {
+        return this._topic as CreateTopic;
+    }
+
+    /**
+     * Fetches the field representing the new title
+     *
+     * @returns title string as set during import (may be different from getTitle)
+     */
+    public get title(): string {
+        return this.topic.title;
+    }
+
+    /**
+     * Setter for the title. Sets the title of the underlying CreateTopic
+     *
+     * @param title
+     */
+    public set title(title: string) {
+        this.topic.title = title;
+    }
+
+    /**
+     * @returns the duration in minutes
+     */
+    public get duration(): number {
+        return this.topic.agenda_duration;
+    }
+
+    /**
+     * Setter for the duration. Expects values as in {@link DurationService}
+     */
+    public set duration(duration: number) {
+        this.topic.agenda_duration = duration;
+    }
+
+    /**
+     * @returns the comment string as set during the import
+     */
+    public get comment(): string {
+        return this.topic.agenda_comment;
+    }
+
+    /**
+     * Sets the comment string of the underlying topic
+     * @param comment A string to set as comment
+     */
+    public set comment(comment: string) {
+        this.topic.agenda_comment = comment;
+    }
+
+    /**
+     * @returns a number representing the item type
+     */
+    public get type(): number {
+        return this.topic.agenda_type;
+    }
+
+    /**
+     * sets the item type for the topic's agenda entry. No validation is done here.
+     *
+     * @param A number representing the item's type. See {@link itemVisibilityChoices}
+     * for the interpretation of type numbers.
+     */
+    public set type(type: number) {
+        this.topic.agenda_type = type;
+    }
+
+    /**
+     * Sets the text string of the underlying topic
+     *
+     * @param text A string.
+     */
+    public set text(text: string) {
+        this.topic.text = text;
+    }
+
+    /**
+     * @returns the comment string of the underlying topic
+     */
+    public get text(): string {
+        return this.topic.text;
+    }
+
+    /**
+     * Checks if the CreateTopic is valid. Currently only requires an existing title
+     *
+     * @returns true if it is a valid Topic
+     */
+    public get isValid(): boolean {
+        return this.title ? true : false;
+    }
+
+    /**
+     * Constructor. Empty
+     *
+     * @param topic A CreateTopic
+     */
+    public constructor(topic: CreateTopic) {
+        super(topic);
+    }
+}

client/src/app/site/agenda/models/view-topic.ts

@@ -9,7 +9,7 @@ import { BaseModel } from 'app/shared/models/base/base-model';
  * @ignore
  */
 export class ViewTopic extends BaseViewModel {
-    private _topic: Topic;
+    protected _topic: Topic;
     private _attachments: Mediafile[];
     private _agenda_item: Item;
 

client/src/app/site/agenda/services/topic-repository.service.ts

@@ -9,6 +9,7 @@ import { DataSendService } from 'app/core/services/data-send.service';
 import { ViewTopic } from '../models/view-topic';
 import { Identifiable } from 'app/shared/models/base/identifiable';
 import { CollectionStringModelMapperService } from 'app/core/services/collectionStringModelMapper.service';
+import { CreateTopic } from '../models/create-topic';
 
 /**
  * Repository for topics
@@ -61,10 +62,8 @@ export class TopicRepositoryService extends BaseRepository<ViewTopic, Topic> {
      * @param topicData Partial topic data to be created
      * @returns an Identifiable (usually id) as promise
      */
-    public async create(topicData: Partial<Topic>): Promise<Identifiable> {
-        const newTopic = new Topic();
-        newTopic.patchValues(topicData);
-        return await this.dataSend.createModel(newTopic);
+    public async create(topic: CreateTopic): Promise<Identifiable> {
+        return await this.dataSend.createModel(topic);
     }
 
     /**
@@ -89,4 +88,16 @@ export class TopicRepositoryService extends BaseRepository<ViewTopic, Topic> {
     public async delete(viewTopic: ViewTopic): Promise<void> {
         return await this.dataSend.deleteModel(viewTopic.topic);
     }
+
+    /**
+     * Returns an array of all duplicates for a topic
+     *
+     * @param topic
+     */
+    public getTopicDuplicates(topic: ViewTopic): ViewTopic[] {
+        const duplicates = this.DS.filter(Topic, item => topic.title === item.title);
+        const viewTopics: ViewTopic[] = [];
+        duplicates.forEach(item => viewTopics.push(this.createViewModel(item)));
+        return viewTopics;
+    }
 }

client/src/app/site/base/base-import-list.ts

@@ -0,0 +1,276 @@
+import { MatTableDataSource, MatTable, MatSnackBar, MatSelectChange } from '@angular/material';
+import { ViewChild, OnInit } from '@angular/core';
+
+import { BaseViewComponent } from './base-view';
+import { BaseViewModel } from './base-view-model';
+import { NewEntry, ValueLabelCombination, BaseImportService } from 'app/core/services/base-import.service';
+import { Title } from '@angular/platform-browser';
+import { TranslateService } from '@ngx-translate/core';
+
+export abstract class BaseImportListComponent<V extends BaseViewModel> extends BaseViewComponent implements OnInit {
+    /**
+     * The data source for a table. Requires to be initialised with a BaseViewModel
+     */
+    public dataSource: MatTableDataSource<NewEntry<V>>;
+
+    /**
+     * Switch that turns true if a file has been selected in the input
+     */
+    public hasFile = false;
+
+    /**
+     * Currently selected encoding. Is set and changed by the config's available
+     * encodings and user mat-select input
+     */
+    public selectedEncoding = 'utf-8';
+
+    /**
+     * indicator on which elements to display
+     */
+    public shown: 'all' | 'error' | 'noerror' = 'all';
+
+    /**
+     * The table itself
+     */
+    @ViewChild(MatTable)
+    protected table: MatTable<NewEntry<V>>;
+
+    /**
+     * @returns the amount of total item successfully parsed
+     */
+    public get totalCount(): number {
+        return this.importer && this.hasFile ? this.importer.summary.total : null;
+    }
+
+    /**
+     * @returns the encodings available and their labels
+     */
+    public get encodings(): ValueLabelCombination[] {
+        return this.importer.encodings;
+    }
+
+    /**
+     * @returns the available column separators and their labels
+     */
+    public get columnSeparators(): ValueLabelCombination[] {
+        return this.importer.columnSeparators;
+    }
+
+    /**
+     * @eturns the available text separators and their labels
+     */
+    public get textSeparators(): ValueLabelCombination[] {
+        return this.importer.textSeparators;
+    }
+
+    /**
+     * @returns the amount of import items that will be imported
+     */
+    public get newCount(): number {
+        return this.importer && this.hasFile ? this.importer.summary.new : 0;
+    }
+
+    /**
+     * @returns the number of import items that cannot be imported
+     */
+    public get nonImportableCount(): number {
+        if (this.importer && this.hasFile) {
+            return this.importer.summary.errors + this.importer.summary.duplicates;
+        }
+        return 0;
+    }
+
+    /**
+     * @returns the number of import items that have been successfully imported
+     */
+    public get doneCount(): number {
+        return this.importer && this.hasFile ? this.importer.summary.done : 0;
+    }
+
+    /**
+     * Constructor. Initializes the table and subscribes to import errors
+     *
+     * @param importer The import service, depending on the implementation
+     * @param titleService A title service
+     * @param translate TranslationService for translating strings
+     * @param matSnackBar MatSnackBar for displaying errors
+     */
+
+    public constructor(
+        protected importer: BaseImportService<V>,
+        titleService: Title,
+        translate: TranslateService,
+        matSnackBar: MatSnackBar
+    ) {
+        super(titleService, translate, matSnackBar);
+        this.initTable();
+        this.importer.errorEvent.subscribe(this.raiseError);
+    }
+
+    /**
+     * Starts with a clean preview (removing any previously existing import previews)
+     */
+    public ngOnInit(): void {
+        this.importer.clearPreview();
+    }
+
+    /**
+     * Initializes the table
+     */
+    public initTable(): void {
+        this.dataSource = new MatTableDataSource();
+        this.setFilter();
+        this.importer.getNewEntries().subscribe(newEntries => {
+            this.dataSource.data = newEntries;
+            this.hasFile = newEntries.length > 0;
+        });
+    }
+
+    /**
+     * Returns the table column definition. Fetches all headers from
+     * {@link MotionImportService} and an additional status column
+     *
+     * @returns An array of the columns forming the import header, and an additional 'status' bar on the front
+     */
+    public getColumnDefinition(): string[] {
+        return ['status'].concat(this.importer.expectedHeader);
+    }
+
+    /**
+     * triggers the importer's onSelectFile after a file has been chosen
+     */
+    public onSelectFile(event: any): void {
+        this.importer.onSelectFile(event);
+    }
+
+    /**
+     * Triggers the importer's import
+     *
+     */
+    public async doImport(): Promise<void> {
+        await this.importer.doImport();
+        this.setFilter();
+    }
+
+    /**
+     * Updates and manually triggers the filter function.
+     * See {@link hidden} for options
+     * (changed from default mat-table filter)
+     */
+    public setFilter(): void {
+        this.dataSource.filter = '';
+        if (this.shown === 'all') {
+            this.dataSource.filterPredicate = (data, filter) => {
+                return true;
+            };
+        } else if (this.shown === 'noerror') {
+            this.dataSource.filterPredicate = (data, filter) => {
+                if (data.status === 'done') {
+                    return true;
+                } else if (data.status !== 'error') {
+                    return true;
+                }
+            };
+        } else if (this.shown === 'error') {
+            this.dataSource.filterPredicate = (data, filter) => {
+                if (data.errors.length || data.duplicates.length) {
+                    return true;
+                }
+                return false;
+            };
+        }
+        this.dataSource.filter = 'X'; // TODO: This is just a bogus non-null string to trigger the filter
+    }
+
+    /**
+     * Get the appropiate css class for a row according to the import state
+     *
+     * @param row a newEntry object with a current status
+     * @returns a css class name
+     */
+    public getStateClass(row: NewEntry<V>): string {
+        switch (row.status) {
+            case 'done':
+                return 'import-done import-decided';
+            case 'error':
+                return 'import-error';
+            default:
+                return '';
+        }
+    }
+
+    /**
+     * Get the icon for the action of the item
+     * @param entry a newEntry object with a current status
+     * @eturn the icon for the action of the item
+     */
+    public getActionIcon(entry: NewEntry<V>): string {
+        switch (entry.status) {
+            case 'error': // no import possible
+                return 'block';
+            case 'new':
+                return '';
+            case 'done': // item has been imported
+                return 'done';
+            default:
+                // fallback: Error
+                return 'block';
+        }
+    }
+
+    /**
+     * A function to trigger the csv example download.
+     */
+    public abstract downloadCsvExample(): void;
+
+    /**
+     * Trigger for the column separator selection.
+     *
+     * @param event
+     */
+    public selectColSep(event: MatSelectChange): void {
+        this.importer.columnSeparator = event.value;
+        this.importer.refreshFile();
+    }
+
+    /**
+     * Trigger for the column separator selection
+     *
+     * @param event
+     */
+    public selectTextSep(event: MatSelectChange): void {
+        this.importer.textSeparator = event.value;
+        this.importer.refreshFile();
+    }
+
+    /**
+     * Trigger for the encoding selection
+     *
+     * @param event
+     */
+    public selectEncoding(event: MatSelectChange): void {
+        this.importer.encoding = event.value;
+        this.importer.refreshFile();
+    }
+
+    /**
+     * Returns a descriptive string for an import error
+     *
+     * @param error The short string for the error as listed in the {@lilnk errorList}
+     * @returns a predefined descriptive error string from the importer
+     */
+    public getVerboseError(error: string): string {
+        return this.importer.verbose(error);
+    }
+
+    /**
+     * Checks if an error is present in a new entry
+     *
+     * @param row the NewEntry
+     * @param error An error as defined as key of {@link errorList}
+     * @returns true if the error is present in the entry described in the row
+     */
+    public hasError(row: NewEntry<V>, error: string): boolean {
+        return this.importer.hasError(row, error);
+    }
+}

client/src/app/site/motions/components/motion-import-list/motion-import-list.component.html

@@ -9,11 +9,10 @@
     </div>
 </os-head-bar>
 
-<mat-card>
+<mat-card class="os-form-card import-table">
     <span translate>Requires comma or semicolon separated values with these column header names in the first row</span>:
     <br />
     <div class="code red-warning-text">
-        <!-- TODO: class : indent, warning color -->
         <span translate>Identifier</span>, <span translate>Title</span>, <span translate>Text</span>,
         <span translate>Reason</span>, <span translate>Submitter</span>, <span translate>Category</span>,
         <span translate>Origin</span>, <span translate>Motion block</span>
@@ -23,7 +22,6 @@
             Identifier, reason, submitter, category, origin and motion block are optional and may be empty.
         </li>
         <li translate>Additional columns after the required ones may be present and won't affect the import.</li>
-        <li translate>Only double quotes are accepted as text delimiter (no single quotes).</li>
     </ul>
     <button mat-button color="accent" (click)="downloadCsvExample()" translate>Download CSV example file</button>
     <div class="wrapper">
@@ -71,12 +69,12 @@
                 <span translate> Select file</span>
             </button>
         </div>
-        &nbsp; <span *ngIf="hasFile">{{ totalCount }}&nbsp;<span translate>entries found.</span></span>
     </div>
 </mat-card>
 
 <!-- preview table -->
-<mat-card *ngIf="hasFile">
+<mat-card *ngIf="hasFile" class="os-form-card import-table">
+    <h3 translate>Preview</h3>
     <div class="summary">
         <!-- new entries -->
         <div *ngIf="newCount">
@@ -97,35 +95,38 @@
             <span>&nbsp;{{ doneCount }}&nbsp;</span> <span translate>Motions have been imported.</span>
         </div>
     </div>
+    <div *ngIf="newCount">
+        <span translate>Click on 'import' (right top corner) to import the new motions.
+        </span>
+    </div>
     <div>
-        <mat-select [(value)]="shown" (selectionChange)="setFilter()">
-            <!-- TODO: reduce item width to sane value -->
+        <mat-select *ngIf="nonImportableCount" class="filter-imports" [(value)]="shown" (selectionChange)="setFilter()">
             <mat-option value="all" translate> Show all </mat-option>
-            <mat-option *ngIf="nonImportableCount" value="error" translate> Show errors only </mat-option>
-            <mat-option *ngIf="nonImportableCount" value="noerror" translate> Show correct entries </mat-option>
+            <mat-option value="error" translate> Show errors only </mat-option>
+            <mat-option value="noerror" translate> Show correct entries </mat-option>
         </mat-select>
-        <!-- TODO: Button to hide imported ones -->
     </div>
     <div class="table-container">
         <table mat-table class="on-transition-fade" [dataSource]="dataSource" matSort>
+
             <!-- Status column -->
             <ng-container matColumnDef="status" sticky>
-                <mat-header-cell *matHeaderCellDef></mat-header-cell>
-                <mat-cell *matCellDef="let entry">
-                    <div *ngIf="entry.newMotion.status === 'error'">
+                <mat-header-cell *matHeaderCellDef class="first-column"></mat-header-cell>
+                <mat-cell *matCellDef="let entry" class="first-column">
+                    <div *ngIf="entry.status === 'error'">
                         <mat-icon
                             class="red-warning-text"
-                            matTooltip="{{ entry.newMotion.errors.length }} + {{ 'errors' | translate }}"
+                            matTooltip="{{ entry.errors.length }} {{ 'errors' | translate }}"
                         >
                             {{ getActionIcon(entry) }}
                         </mat-icon>
                     </div>
-                    <div *ngIf="entry.newMotion.status === 'new'">
+                    <div *ngIf="entry.status === 'new'">
                         <mat-icon matTooltip="{{ 'Motion will be imported' | translate }}">
                             {{ getActionIcon(entry) }}
                         </mat-icon>
                     </div>
-                    <div *ngIf="entry.newMotion.status === 'done'">
+                    <div *ngIf="entry.status === 'done'">
                         <mat-icon matTooltip="{{ 'Motion has been imported' | translate }}">
                             {{ getActionIcon(entry) }}
                         </mat-icon>
@@ -140,12 +141,12 @@
                     <mat-icon
                         color="warn"
                         inline
-                        *ngIf="entry.newMotion.hasError('Duplicates')"
+                        *ngIf="hasError(entry, 'Duplicates')"
                         matTooltip="{{ getVerboseError('Duplicates') | translate }}"
                     >
                         warning
                     </mat-icon>
-                    &nbsp;{{ entry.newMotion.identifier }}
+                    {{ entry.newEntry.identifier }}
                 </mat-cell>
             </ng-container>
 
@@ -155,35 +156,35 @@
                 <mat-cell *matCellDef="let entry">
                     <mat-icon
                         color="warn"
-                        *ngIf="entry.newMotion.hasError('Title')"
+                        *ngIf="hasError(entry, 'Title')"
                         matTooltip="{{ getVerboseError('Title') | translate }}"
                     >
                         warning
                     </mat-icon>
-                    &nbsp;{{ entry.newMotion.title }}
+                    {{ entry.newEntry.title }}
                 </mat-cell>
             </ng-container>
 
-            <!-- tect column TODO: Bigger-->
+            <!-- text column -->
             <ng-container matColumnDef="text">
                 <mat-header-cell *matHeaderCellDef translate>Motion text</mat-header-cell>
-                <mat-cell *matCellDef="let entry" matTooltip="{{ getLongPreview(entry.newMotion.text) }}">
+                <mat-cell *matCellDef="let entry" matTooltip="{{ getLongPreview(entry.newEntry.text) }}">
                     <mat-icon
                         color="warn"
-                        *ngIf="entry.newMotion.hasError('Text')"
+                        *ngIf="hasError(entry, 'Text')"
                         matTooltip="{{ getVerboseError('Text') | translate }}"
                     >
                         warning
                     </mat-icon>
-                    &nbsp;{{ getShortPreview(entry.newMotion.text) }}
+                    {{ getShortPreview(entry.newEntry.text) }}
                 </mat-cell>
             </ng-container>
 
             <!-- reason column -->
             <ng-container matColumnDef="reason">
                 <mat-header-cell *matHeaderCellDef translate>Reason</mat-header-cell>
-                <mat-cell *matCellDef="let entry" matTooltip="{{ getLongPreview(entry.newMotion.reason) }}">
-                    {{ getShortPreview(entry.newMotion.reason) }}
+                <mat-cell *matCellDef="let entry" matTooltip="{{ getLongPreview(entry.newEntry.reason) }}">
+                    {{ getShortPreview(entry.newEntry.reason) }}
                 </mat-cell>
             </ng-container>
 
@@ -191,15 +192,15 @@
             <ng-container matColumnDef="submitters">
                 <mat-header-cell *matHeaderCellDef translate>Submitters</mat-header-cell>
                 <mat-cell *matCellDef="let entry">
-                    <div *ngIf="entry.newMotion.csvSubmitters.length">
+                    <div *ngIf="entry.newEntry.csvSubmitters.length">
                         <mat-icon
                             color="warn"
-                            *ngIf="entry.newMotion.hasError('Submitters')"
+                            *ngIf="hasError(entry, 'Submitters')"
                             matTooltip="{{ getVerboseError('Submitters') | translate }}"
                         >
                             warning
                         </mat-icon>
-                        <span *ngFor="let submitter of entry.newMotion.csvSubmitters">
+                        <span *ngFor="let submitter of entry.newEntry.csvSubmitters">
                             {{ submitter.name }}
                             <mat-icon class="newBadge" color="accent" inline *ngIf="!submitter.id">add</mat-icon>
                             &nbsp;
@@ -212,16 +213,16 @@
             <ng-container matColumnDef="category">
                 <mat-header-cell *matHeaderCellDef translate>Category</mat-header-cell>
                 <mat-cell *matCellDef="let entry">
-                    <div *ngIf="entry.newMotion.csvCategory">
+                    <div *ngIf="entry.newEntry.csvCategory">
                         <mat-icon
                             color="warn"
-                            *ngIf="entry.newMotion.hasError('Category')"
+                            *ngIf="hasError(entry, 'Category')"
                             matTooltip="{{ getVerboseError('Category') | translate }}"
                         >
                             warning
                         </mat-icon>
-                        {{ entry.newMotion.csvCategory.name }}
-                        <mat-icon class="newBadge" color="accent" inline *ngIf="!entry.newMotion.csvCategory.id"
+                        {{ entry.newEntry.csvCategory.name }}
+                        <mat-icon class="newBadge" color="accent" inline *ngIf="!entry.newEntry.csvCategory.id"
                             >add</mat-icon
                         >&nbsp;
                     </div>
@@ -231,23 +232,23 @@
             <!-- origin column -->
             <ng-container matColumnDef="origin">
                 <mat-header-cell *matHeaderCellDef translate>Origin</mat-header-cell>
-                <mat-cell *matCellDef="let entry">{{ entry.newMotion.origin }}</mat-cell>
+                <mat-cell *matCellDef="let entry">{{ entry.newEntry.origin }}</mat-cell>
             </ng-container>
 
             <!-- motion block column -->
-            <ng-container matColumnDef="motion block">
+            <ng-container matColumnDef="motion_block">
                 <mat-header-cell *matHeaderCellDef translate>Motion block</mat-header-cell>
                 <mat-cell *matCellDef="let entry">
-                    <div *ngIf="entry.newMotion.csvMotionblock">
+                    <div *ngIf="entry.newEntry.csvMotionblock">
                         <mat-icon
                             color="warn"
-                            *ngIf="entry.newMotion.hasError('MotionBlock')"
+                            *ngIf="hasError(entry, 'MotionBlock')"
                             matTooltip="{{ getVerboseError('MotionBlock') | translate }}"
                         >
                             warning
                         </mat-icon>
-                        {{ entry.newMotion.csvMotionblock.name }}
-                        <mat-icon class="newBadge" color="accent" inline *ngIf="!entry.newMotion.csvMotionblock.id">
+                        {{ entry.newEntry.csvMotionblock.name }}
+                        <mat-icon class="newBadge" color="accent" inline *ngIf="!entry.newEntry.csvMotionblock.id">
                             add
                         </mat-icon>
                         &nbsp;
@@ -256,7 +257,6 @@
             </ng-container>
 
             <mat-header-row *matHeaderRowDef="getColumnDefinition()"></mat-header-row>
-            <!-- TODO: class for invalid/undecided -->
             <mat-row [ngClass]="getStateClass(row)" *matRowDef="let row; columns: getColumnDefinition()"> </mat-row>
         </table>
     </div>

client/src/app/site/motions/components/motion-import-list/motion-import-list.component.scss

@@ -1,53 +0,0 @@
-.table-container {
-    width: 100%;
-    overflow-x: scroll;
-    margin-top: 5px;
-}
-
-table {
-    width: 100%;
-    overflow: scroll;
-}
-
-.mat-header-cell {
-    min-width: 100px;
-    padding-right: 8px;
-}
-.mat-cell {
-    min-width: 100px;
-    padding-top: 2px;
-    padding-right: 8px;
-}
-.selection {
-    min-width: 80px;
-}
-
-.import-done {
-    background-color: #cfc;
-}
-.import-error {
-    background-color: #fcc;
-}
-
-.code {
-    padding-left: 1em;
-    font-style: italic;
-}
-
-div.wrapper {
-    display: flex;
-    vertical-align: bottom;
-    padding: 10px;
-}
-
-div.summary {
-    display: flex;
-}
-
-.hidden-input {
-    display: none;
-}
-
-.newBadge {
-    margin-left: -3px;
-}

client/src/app/site/motions/components/motion-import-list/motion-import-list.component.ts

@@ -1,100 +1,21 @@
-import { MatTableDataSource, MatTable, MatSnackBar, MatSelectChange } from '@angular/material';
+import { Component } from '@angular/core';
+import { MatSnackBar } from '@angular/material';
 import { Title } from '@angular/platform-browser';
 import { TranslateService } from '@ngx-translate/core';
-import { ViewChild, Component, OnInit } from '@angular/core';
 
-import { BaseViewComponent } from 'app/site/base/base-view';
+import { BaseImportListComponent } from 'app/site/base/base-import-list';
 import { MotionCsvExportService } from '../../services/motion-csv-export.service';
-import { MotionImportService, NewMotionEntry, ValueLabelCombination } from '../../services/motion-import.service';
+import { MotionImportService } from '../../services/motion-import.service';
+import { ViewMotion } from '../../models/view-motion';
 
 /**
  * Component for the motion import list view.
  */
 @Component({
     selector: 'os-motion-import-list',
-    templateUrl: './motion-import-list.component.html',
-    styleUrls: ['./motion-import-list.component.scss']
+    templateUrl: './motion-import-list.component.html'
 })
-export class MotionImportListComponent extends BaseViewComponent implements OnInit {
-    /**
-     * The data source for a table. Requires to be initialised with a BaseViewModel
-     */
-    public dataSource: MatTableDataSource<NewMotionEntry>;
-
-    /**
-     * Switch that turns true if a file has been selected in the input
-     */
-    public hasFile = false;
-
-    /**
-     * Currently selected encoding. Is set and changed by the config's available
-     * encodings and user mat-select input
-     */
-    public selectedEncoding = 'utf-8';
-
-    /**
-     * indicator on which elements to display
-     */
-    public shown: 'all' | 'error' | 'noerror' = 'all';
-
-    /**
-     * The table itself
-     */
-    @ViewChild(MatTable)
-    protected table: MatTable<NewMotionEntry>;
-
-    /**
-     * Returns the amount of total item successfully parsed
-     */
-    public get totalCount(): number {
-        return this.importer && this.hasFile ? this.importer.summary.total : null;
-    }
-
-    /**
-     * Returns the encodings available and their labels
-     */
-    public get encodings(): ValueLabelCombination[] {
-        return this.importer.encodings;
-    }
-
-    /**
-     * Returns the available column separators and their labels
-     */
-    public get columnSeparators(): ValueLabelCombination[] {
-        return this.importer.columnSeparators;
-    }
-
-    /**
-     * Returns the available text separators and their labels
-     */
-    public get textSeparators(): ValueLabelCombination[] {
-        return this.importer.textSeparators;
-    }
-
-    /**
-     * Returns the amount of import items that will be imported
-     */
-    public get newCount(): number {
-        return this.importer && this.hasFile ? this.importer.summary.new : 0;
-    }
-
-    /**
-     * Returns the number of import items that cannot be imported
-     */
-    public get nonImportableCount(): number {
-        if (this.importer && this.hasFile) {
-            return this.importer.summary.errors + this.importer.summary.duplicates;
-        }
-        return 0;
-    }
-
-    /**
-     * Returns the number of import items that have been successfully imported
-     */
-    public get doneCount(): number {
-        return this.importer && this.hasFile ? this.importer.summary.done : 0;
-    }
-
+export class MotionImportListComponent extends BaseImportListComponent<ViewMotion> {
     /**
      * Constructor for list view bases
      *
@@ -107,101 +28,11 @@ export class MotionImportListComponent extends BaseViewComponent implements OnIn
     public constructor(
         titleService: Title,
         matSnackBar: MatSnackBar,
-        public translate: TranslateService,
-        private importer: MotionImportService,
+        translate: TranslateService,
+        importer: MotionImportService,
         private motionCSVExport: MotionCsvExportService
     ) {
-        super(titleService, translate, matSnackBar);
-        this.initTable();
-        this.importer.errorEvent.subscribe(this.raiseError);
-    }
-
-    /**
-     * Starts with a clean preview (removing any previously existing import previews)
-     */
-    public ngOnInit(): void {
-        this.importer.clearPreview();
-    }
-
-    /**
-     * Initializes the table
-     */
-    public initTable(): void {
-        this.dataSource = new MatTableDataSource();
-        this.setFilter();
-        this.importer.getNewEntries().subscribe(newEntries => {
-            this.dataSource.data = newEntries;
-            this.hasFile = newEntries.length > 0;
-        });
-    }
-
-    /**
-     * Returns the table column definition. Fetches all headers from
-     * {@link MotionImportService} and an additional status column
-     */
-    public getColumnDefinition(): string[] {
-        return ['status'].concat(this.importer.expectedHeader);
-    }
-
-    /**
-     * triggers the importer's onSelectFile after a file has been chosen
-     */
-    public onSelectFile(event: any): void {
-        this.importer.onSelectFile(event);
-    }
-
-    /**
-     * Triggers the importer's import
-     */
-    public async doImport(): Promise<void> {
-        await this.importer.doImport();
-        this.setFilter();
-    }
-
-    /**
-     * Updates and manually triggers the filter function.
-     * See {@link hidden} for options
-     * (changed from default mat-table filter)
-     */
-    public setFilter(): void {
-        this.dataSource.filter = '';
-        if (this.shown === 'all') {
-            this.dataSource.filterPredicate = (data, filter) => {
-                return true;
-            };
-        } else if (this.shown === 'noerror') {
-            this.dataSource.filterPredicate = (data, filter) => {
-                if (data.newMotion.status === 'done') {
-                    return true;
-                } else if (!(data.newMotion.status !== 'error') && !data.duplicates.length) {
-                    return true;
-                }
-            };
-        } else if (this.shown === 'error') {
-            this.dataSource.filterPredicate = (data, filter) => {
-                if (data.newMotion.errors.length || data.duplicates.length) {
-                    return true;
-                }
-                return false;
-            };
-        }
-        this.dataSource.filter = 'X'; // TODO: This is just a bogus non-null string to trigger the filter
-    }
-
-    /**
-     * Returns the appropiate css class for a row according to the import state
-     *
-     * @param row
-     */
-    public getStateClass(row: NewMotionEntry): string {
-        switch (row.newMotion.status) {
-            case 'done':
-                return 'import-done import-decided';
-            case 'error':
-                return 'import-error';
-            default:
-                return '';
-        }
+        super(importer, titleService, translate, matSnackBar);
     }
 
     /**
@@ -233,24 +64,6 @@ export class MotionImportListComponent extends BaseViewComponent implements OnIn
         );
     }
 
-    /**
-     * Return the icon for the action of the item
-     * @param entry
-     */
-    public getActionIcon(entry: NewMotionEntry): string {
-        switch (entry.newMotion.status) {
-            case 'error': // no import possible
-                return 'block';
-            case 'new': // new item, will be imported
-                return 'playlist_add';
-            case 'done': // item has been imported
-                return 'done';
-            default:
-                // fallback: Error
-                return 'block';
-        }
-    }
-
     /**
      * Helper to remove html tags from a string.
      * CAUTION: It is just a basic "don't show distracting html tags in a
@@ -268,41 +81,4 @@ export class MotionImportListComponent extends BaseViewComponent implements OnIn
     public downloadCsvExample(): void {
         this.motionCSVExport.exportDummyMotion();
     }
-
-    /**
-     * Trigger for the column separator selection
-     *
-     * @param event
-     */
-    public selectColSep(event: MatSelectChange): void {
-        this.importer.columnSeparator = event.value;
-        this.importer.refreshFile();
-    }
-
-    /**
-     * Trigger for the column separator selection
-     *
-     * @param event
-     */
-    public selectTextSep(event: MatSelectChange): void {
-        this.importer.textSeparator = event.value;
-        this.importer.refreshFile();
-    }
-
-    /**
-     * Trigger for the encoding selection
-     *
-     * @param event
-     */
-    public selectEncoding(event: MatSelectChange): void {
-        this.importer.encoding = event.value;
-        this.importer.refreshFile();
-    }
-
-    /**
-     * Returns a descriptive string for an import error
-     */
-    public getVerboseError(error: string): string {
-        return this.importer.verbose(error);
-    }
 }

client/src/app/site/motions/models/view-csv-create-motion.ts

@@ -2,9 +2,8 @@ import { ViewCreateMotion } from './view-create-motion';
 import { CreateMotion } from './create-motion';
 
 /**
- * Interface for imported secondary data. A name can be matched to an existing
- * model instance by the solve... functions.
- * TODO MultiId will be filled if there is more than one match (to be used in case of 'I want to select one of these matches)
+ * Interface for correlating between strings representing BaseModels and existing
+ * BaseModels.
  */
 export interface CsvMapping {
     name: string;
@@ -12,8 +11,6 @@ export interface CsvMapping {
     multiId?: number[];
 }
 
-type CsvImportStatus = 'new' | 'error' | 'done';
-
 /**
  * Create motion class for the View. Its different to ViewMotion in fact that the submitter handling is different
  * on motion creation.
@@ -38,68 +35,10 @@ export class ViewCsvCreateMotion extends ViewCreateMotion {
      */
     public csvSubmitters: CsvMapping[];
 
-    /**
-     * The current import status of this motion.
-     * Starts as 'new', if set to 'done', a proper {@link Motion} model will
-     * probably exist in the dataStore. error status will be set if the import
-     * cannot be done
-     */
-    private _status: CsvImportStatus = 'new';
-
-    /**
-     * list of import errors See {@link MotionImportService}
-     */
-    public errors: string[] = [];
-
-    /**
-     * Returns the current status.
-     */
-    public get status(): CsvImportStatus {
-        return this._status;
-    }
-
-    public set status(status: CsvImportStatus) {
-        this._status = status;
-    }
-
-    public get motion(): CreateMotion {
-        return this._motion;
-    }
-
     public constructor(motion?: CreateMotion) {
         super(motion);
     }
 
-    /**
-     * Duplicate this motion into a copy of itself
-     */
-    public copy(): ViewCreateMotion {
-        return new ViewCreateMotion(
-            this._motion,
-            this._category,
-            this._submitters,
-            this._supporters,
-            this._workflow,
-            this._state
-        );
-    }
-
-    /**
-     * Checks if a given error is present. TODO: Is more a ViewModel option
-     *
-     * @param error
-     */
-    public hasError(error: string): boolean {
-        return this.errors.includes(error);
-    }
-
-    /**
-     * Toggle to set a CreateMotion to a 'successfully parsed' status
-     */
-    public done(): void {
-        this._status = 'done';
-    }
-
     /**
      * takes a list of motion block mappings to update the current csvMotionblock.
      * Returns the amount of entries that remain unmatched

client/src/app/site/motions/services/motion-import.service.ts

@@ -1,7 +1,6 @@
-import { BehaviorSubject, Observable } from 'rxjs';
-import { Injectable, EventEmitter } from '@angular/core';
+import { Injectable } from '@angular/core';
 import { MatSnackBar } from '@angular/material';
-import { Papa, PapaParseConfig } from 'ngx-papaparse';
+import { Papa } from 'ngx-papaparse';
 import { TranslateService } from '@ngx-translate/core';
 
 import { Category } from 'app/shared/models/motions/category';
@@ -11,49 +10,9 @@ import { MotionBlock } from 'app/shared/models/motions/motion-block';
 import { MotionBlockRepositoryService } from './motion-block-repository.service';
 import { MotionRepositoryService } from './motion-repository.service';
 import { UserRepositoryService } from '../../users/services/user-repository.service';
-import { ViewMotion } from '../models/view-motion';
 import { ViewCsvCreateMotion, CsvMapping } from '../models/view-csv-create-motion';
-
-/**
- * Interface for value- Label combinations.
- * Map objects didn't work, TODO: Use map objects (needs iterating through all objects of a map)
- */
-export interface ValueLabelCombination {
-    value: string;
-    label: string;
-}
-
-/**
- * Interface for a new Motion and their (if any) duplicates
- */
-export interface NewMotionEntry {
-    newMotion: ViewCsvCreateMotion;
-    duplicates: ViewMotion[];
-}
-
-/**
- * interface for a preview summary
- */
-interface ImportMotionCSVPreview {
-    total: number;
-    duplicates: number;
-    errors: number;
-    new: number;
-    done: number;
-}
-
-/**
- * List of possible import errors specific for motion imports.
- */
-const errorList = {
-    MotionBlock: 'Could not resolve the motion block',
-    Category: 'Could not resolve the category',
-    Submitters: 'Could not resolve the submitters',
-    Title: 'A title is required',
-    Text: "A content in the 'text' column is required",
-    Duplicates: 'A motion with this identifier already exists.',
-    generic: 'Server upload failed' // TODO
-};
+import { BaseImportService, NewEntry } from 'app/core/services/base-import.service';
+import { ViewMotion } from '../models/view-motion';
 
 /**
  * Service for motion imports
@@ -61,59 +20,23 @@ const errorList = {
 @Injectable({
     providedIn: 'root'
 })
-export class MotionImportService {
-    /** The header (order and items) that is expected from the imported file
-     *
+export class MotionImportService extends BaseImportService<ViewMotion> {
+    /**
+     * List of possible errors and their verbose explanation
      */
-    public expectedHeader = [
-        'identifier',
-        'title',
-        'text',
-        'reason',
-        'submitters',
-        'category',
-        'origin',
-        'motion block'
-    ];
+    public errorList = {
+        MotionBlock: 'Could not resolve the motion block',
+        Category: 'Could not resolve the category',
+        Submitters: 'Could not resolve the submitters',
+        Title: 'A title is required',
+        Text: "A content in the 'text' column is required",
+        Duplicates: 'A motion with this identifier already exists.'
+    };
 
     /**
-     * The last parsed file object (may be reparsed with new encoding, thus kept in memory)
+     * The minimimal number of header entries needed to successfully create an entry
      */
-    private _rawFile: File;
-
-    /**
-     * The used column Separator. If left on an empty string (default),
-     * the papaparse parser will automatically decide on separators.
-     */
-    public columnSeparator = '';
-
-    public textSeparator = '"';
-
-    public encoding = 'utf-8';
-
-    /**
-     * List of possible encodings and their label
-     */
-    public encodings: ValueLabelCombination[] = [
-        { value: 'utf-8', label: 'UTF 8 - Unicode' },
-        { value: 'iso-8859-1', label: 'ISO 8859-1 - West European' },
-        { value: 'iso-8859-15', label: 'ISO 8859-15 - West European (with €)' }
-    ];
-
-    /**
-     * List of possible column separators
-     */
-    public columnSeparators: ValueLabelCombination[] = [
-        { label: 'Comma', value: ',' },
-        { label: 'Semicolon', value: ';' },
-        // {label: 'Tabulator', value: '\t'},
-        { label: 'Automatic', value: '' }
-    ];
-
-    public textSeparators: ValueLabelCombination[] = [
-        { label: 'Double quotes (")', value: '"' },
-        { label: "Single quotes (')", value: "'" }
-    ];
+    public requiredHeaderLength = 3;
 
     /**
      * submitters that need to be created prior to importing
@@ -131,44 +54,8 @@ export class MotionImportService {
     public newMotionBlocks: CsvMapping[] = [];
 
     /**
-     * FileReader object for file import
-     */
-    private reader = new FileReader();
-
-    /**
-     * the list of parsed models that have been extracted from the opened file
-     */
-    private _entries: NewMotionEntry[] = [];
-
-    /**
-     * BehaviorSubject for displaying a preview for the currently selected entries
-     */
-    public newEntries = new BehaviorSubject<NewMotionEntry[]>([]);
-
-    /**
-     * Emits an error string to display if a file import cannot be done
-     */
-    public errorEvent = new EventEmitter<string>();
-
-    /**
-     * storing the summary preview for the import, to avoid recalculating it
-     * at each display change.
-     */
-    private _preview: ImportMotionCSVPreview;
-
-    /**
-     * Returns a summary on actions that will be taken/not taken.
-     */
-    public get summary(): ImportMotionCSVPreview {
-        if (!this._preview) {
-            this.updatePreview();
-        }
-        return this._preview;
-    }
-
-    /**
-     * Constructor. Creates a fileReader to subscribe to it for incoming parsed
-     * strings
+     * Constructor. Defines the headers expected and calls the abstract class
+     * @param repo: The repository for motions.
      * @param categoryRepo Repository to fetch pre-existing categories
      * @param motionBlockRepo Repository to fetch pre-existing motionBlocks
      * @param userRepo Repository to query/ create users
@@ -181,158 +68,112 @@ export class MotionImportService {
         private categoryRepo: CategoryRepositoryService,
         private motionBlockRepo: MotionBlockRepositoryService,
         private userRepo: UserRepositoryService,
-        private translate: TranslateService,
-        private papa: Papa,
-        private matSnackbar: MatSnackBar
+        translate: TranslateService,
+        papa: Papa,
+        matSnackbar: MatSnackBar
     ) {
-        this.reader.onload = (event: any) => {
-            // TODO type: event is a progressEvent,
-            // but has a property target.result, which typescript doesn't recognize
-            this.parseInput(event.target.result);
-        };
+        super(translate, papa, matSnackbar);
+
+        this.expectedHeader = [
+            'identifier',
+            'title',
+            'text',
+            'reason',
+            'submitters',
+            'category',
+            'origin',
+            'motion_block'
+        ];
     }
 
     /**
-     * Parses the data input. Expects a string as returned by via a
-     * File.readAsText() operation
-     *
-     * @param file
+     * Clears all temporary data specific to this importer.
      */
-    public parseInput(file: string): void {
-        this._entries = [];
+    public clearData(): void {
         this.newSubmitters = [];
         this.newCategories = [];
         this.newMotionBlocks = [];
-        const papaConfig: PapaParseConfig = {
-            header: false,
-            skipEmptyLines: true,
-            quoteChar: this.textSeparator
-        };
-        if (this.columnSeparator) {
-            papaConfig.delimiter = this.columnSeparator;
-        }
-        const entryLines = this.papa.parse(file, papaConfig).data;
-        const valid = this.checkHeader(entryLines.shift());
-        if (!valid) {
-            return;
-        }
-        entryLines.forEach(line => {
-            const newMotion = new ViewCsvCreateMotion(new CreateMotion());
-            const headerLength = Math.min(this.expectedHeader.length, line.length);
-            for (let idx = 0; idx < headerLength; idx++) {
-                // iterate over items, find existing ones (thier id) and collect new entries
-                switch (this.expectedHeader[idx]) {
-                    case 'submitters':
-                        newMotion.csvSubmitters = this.getSubmitters(line[idx]);
-                        break;
-                    case 'category':
-                        newMotion.csvCategory = this.getCategory(line[idx]);
-                        break;
-                    case 'motion block':
-                        newMotion.csvMotionblock = this.getMotionBlock(line[idx]);
-                        break;
-                    default:
-                        newMotion.motion[this.expectedHeader[idx]] = line[idx];
-                }
-            }
-            const updateModels = this.getDuplicates(newMotion.motion);
-            if (updateModels.length) {
-                this.setError(newMotion, 'Duplicates');
-            }
-            this._entries.push({ newMotion: newMotion, duplicates: updateModels });
-        });
-        this.newEntries.next(this._entries);
-        this.updatePreview();
     }
 
     /**
-     * Triggers the import.
+     * Parses a string representing an entry, extracting secondary data, appending
+     * the array of secondary imports as needed
+     *
+     * @param line
+     * @returns a new Entry representing a Motion
+     */
+    public mapData(line: string): NewEntry<ViewMotion> {
+        const newEntry = new ViewCsvCreateMotion(new CreateMotion());
+        const headerLength = Math.min(this.expectedHeader.length, line.length);
+        for (let idx = 0; idx < headerLength; idx++) {
+            switch (this.expectedHeader[idx]) {
+                case 'submitters':
+                    newEntry.csvSubmitters = this.getSubmitters(line[idx]);
+                    break;
+                case 'category':
+                    newEntry.csvCategory = this.getCategory(line[idx]);
+                    break;
+                case 'motion_block':
+                    newEntry.csvMotionblock = this.getMotionBlock(line[idx]);
+                    break;
+                default:
+                    newEntry.motion[this.expectedHeader[idx]] = line[idx];
+            }
+        }
+        const updateModels = this.repo.getMotionDuplicates(newEntry);
+        return {
+            newEntry: newEntry,
+            duplicates: updateModels,
+            status: updateModels.length ? 'error' : 'new',
+            errors: updateModels.length ? ['Duplicates'] : []
+        };
+    }
+
+    /**
+     * Executes the import. Creates all secondary data, maps the newly created
+     * secondary data to the new entries, then creates all entries without errors
+     * by submitting them to the server. The entries will receive the status
+     * 'done' on success.
      */
     public async doImport(): Promise<void> {
         this.newMotionBlocks = await this.createNewMotionBlocks();
         this.newCategories = await this.createNewCategories();
         this.newSubmitters = await this.createNewUsers();
 
-        for (const entry of this._entries) {
-            if (entry.newMotion.status !== 'new') {
+        for (const entry of this.entries) {
+            if (entry.status !== 'new') {
                 continue;
             }
-            const openBlocks = entry.newMotion.solveMotionBlocks(this.newMotionBlocks);
+            const openBlocks = (entry.newEntry as ViewCsvCreateMotion).solveMotionBlocks(this.newMotionBlocks);
             if (openBlocks) {
-                this.setError(entry.newMotion, 'MotionBlock');
-                // TODO error handling if not all submitters could be matched
+                this.setError(entry, 'MotionBlock');
                 this.updatePreview();
                 continue;
             }
-            const openCategories = entry.newMotion.solveCategory(this.newCategories);
+            const openCategories = (entry.newEntry as ViewCsvCreateMotion).solveCategory(this.newCategories);
             if (openCategories) {
-                this.setError(entry.newMotion, 'Category');
+                this.setError(entry, 'Category');
                 this.updatePreview();
                 continue;
             }
-            const openUsers = entry.newMotion.solveSubmitters(this.newSubmitters);
+            const openUsers = (entry.newEntry as ViewCsvCreateMotion).solveSubmitters(this.newSubmitters);
             if (openUsers) {
-                this.setError(entry.newMotion, 'Submitters');
+                this.setError(entry, 'Submitters');
                 this.updatePreview();
                 continue;
             }
-            await this.repo.create(entry.newMotion.motion);
-            entry.newMotion.done();
+            await this.repo.create((entry.newEntry as ViewCsvCreateMotion).motion);
+            entry.status = 'done';
         }
         this.updatePreview();
     }
 
-    /**
-     * Checks the dataStore for duplicates
-     * @returns an array of duplicates with the same identifier.
-     * @param motion
-     */
-    public getDuplicates(motion: CreateMotion): ViewMotion[] {
-        return this.repo.getMotionDuplicates(motion);
-    }
-
-    /**
-     * counts the amount of duplicates that have no decision on the action to
-     * be taken
-     */
-    public updatePreview(): void {
-        const summary = {
-            total: 0,
-            new: 0,
-            duplicates: 0,
-            errors: 0,
-            done: 0
-        };
-        this._entries.forEach(entry => {
-            summary.total += 1;
-            if (entry.newMotion.status === 'done') {
-                summary.done += 1;
-                return;
-            } else if (entry.newMotion.status === 'error' && !entry.duplicates.length) {
-                // errors that are not due to duplicates
-                summary.errors += 1;
-                return;
-            } else if (entry.duplicates.length) {
-                summary.duplicates += 1;
-                return;
-            } else if (entry.newMotion.status === 'new') {
-                summary.new += 1;
-            }
-        });
-        this._preview = summary;
-    }
-
-    /**
-     * returns a subscribable representation of the new Users to be imported
-     */
-    public getNewEntries(): Observable<NewMotionEntry[]> {
-        return this.newEntries.asObservable();
-    }
-
     /**
      * Checks the provided submitter(s) and returns an object with mapping of
      * existing users and of users that need to be created
+     *
      * @param submitterlist
+     * @returns a list of submitters mapped with (if already existing) their id
      */
     public getSubmitters(submitterlist: string): CsvMapping[] {
         const result: CsvMapping[] = [];
@@ -375,7 +216,9 @@ export class MotionImportService {
      * characters at the beginning, separated by ' - ' from the name.
      * It will also accept a registered translation between the current user's
      * language and english
+     *
      * @param categoryString
+     * @returns categories mapped to existing categories
      */
     public getCategory(categoryString: string): CsvMapping {
         if (!categoryString) {
@@ -411,7 +254,9 @@ export class MotionImportService {
      * Checks the motionBlock provided in the string for existance, expands newMotionBlocks
      * if needed. Note that it will also check for translation between the current
      * user's language and english
+     *
      * @param blockString
+     * @returns a CSVMap with the MotionBlock and an id (if the motionBlock is already in the dataStore)
      */
     public getMotionBlock(blockString: string): CsvMapping {
         if (!blockString) {
@@ -434,6 +279,8 @@ export class MotionImportService {
 
     /**
      * Creates all new Users needed for the import.
+     *
+     * @returns a promise with list of new Submitters, updated with newly created ids
      */
     private async createNewUsers(): Promise<CsvMapping[]> {
         const promises: Promise<CsvMapping>[] = [];
@@ -445,6 +292,8 @@ export class MotionImportService {
 
     /**
      * Creates all new Motion Blocks needed for the import.
+     *
+     * @returns a promise with list of new MotionBlocks, updated with newly created ids
      */
     private async createNewMotionBlocks(): Promise<CsvMapping[]> {
         const promises: Promise<CsvMapping>[] = [];
@@ -460,6 +309,8 @@ export class MotionImportService {
 
     /**
      * Creates all new Categories needed for the import.
+     *
+     * @returns a promise with list of new Categories, updated with newly created ids
      */
     private async createNewCategories(): Promise<CsvMapping[]> {
         const promises: Promise<CsvMapping>[] = [];
@@ -481,105 +332,12 @@ export class MotionImportService {
         return await Promise.all(promises);
     }
 
-    /**
-     * Handler after a file was selected. Basic checking for type, then hand
-     * over to parsing
-     *
-     * @param event type is Event, but has target.files, which typescript doesn't seem to recognize
-     */
-    public onSelectFile(event: any): void {
-        // TODO type
-        if (event.target.files && event.target.files.length === 1) {
-            if (event.target.files[0].type === 'text/csv') {
-                this._rawFile = event.target.files[0];
-                this.readFile(event.target.files[0]);
-            } else {
-                this.matSnackbar.open(this.translate.instant('Wrong file type detected. Import failed.'), '', {
-                    duration: 3000
-                });
-                this.clearPreview();
-                this._rawFile = null;
-            }
-        }
-    }
-
-    /**
-     * Rereads the (previously selected) file, if present. Thought to be triggered
-     * by parameter changes on encoding, column, text separators
-     */
-    public refreshFile(): void {
-        if (this._rawFile) {
-            this.readFile(this._rawFile);
-        }
-    }
-
-    /**
-     * (re)-reads a given file with the current parameter
-     */
-    private readFile(file: File): void {
-        this.reader.readAsText(file, this.encoding);
-    }
-
-    /**
-     * Checks the first line of the csv (the header) for consistency (length)
-     * @param row expected to be an array parsed from the first line of a csv file
-     */
-    private checkHeader(row: string[]): boolean {
-        const snackbarDuration = 3000;
-        if (row.length < 4) {
-            this.matSnackbar.open(this.translate.instant('The file has too few columns to be parsed properly.'), '', {
-                duration: snackbarDuration
-            });
-
-            this.clearPreview();
-            return false;
-        } else if (row.length < this.expectedHeader.length) {
-            this.matSnackbar.open(
-                this.translate.instant('The file seems to have some ommitted columns. They will be considered empty.'),
-                '',
-                { duration: snackbarDuration }
-            );
-        } else if (row.length > this.expectedHeader.length) {
-            this.matSnackbar.open(
-                this.translate.instant('The file seems to have additional columns. They will be ignored.'),
-                '',
-                { duration: snackbarDuration }
-            );
-        }
-        return true;
-    }
-
-    /**
-     * Resets the data and preview (triggered upon selecting an invalid file)
-     */
-    public clearPreview(): void {
-        this._entries = [];
-        this.newEntries.next([]);
-        this._preview = null;
-    }
-
-    /**
-     * set a list of short names for error, indicating which column failed
-     */
-    public setError(motion: ViewCsvCreateMotion, error: string): void {
-        if (errorList.hasOwnProperty(error) && !motion.errors.includes(error)) {
-            motion.errors.push(error);
-            motion.status = 'error';
-        }
-    }
-
-    /**
-     * Get an extended error description.
-     * @param error
-     */
-    public verbose(error: string): string {
-        return errorList[error];
-    }
-
     /**
      * Helper to separate a category string from its' prefix. Assumes that a prefix is no longer
      * than 5 chars and separated by a ' - '
+     *
      * @param categoryString the string to parse
+     * @returns an object with .prefix and .name strings
      */
     private splitCategoryString(categoryString: string): { prefix: string; name: string } {
         let prefixSeparator = ' - ';

client/src/app/site/motions/services/motion-repository.service.ts

@@ -607,12 +607,13 @@ export class MotionRepositoryService extends BaseRepository<ViewMotion, Motion>
     }
 
     /**
-     * Returns all Motion duplicates (sharing specific values given in input)
+     * Returns motion duplicates (sharing the identifier)
+     *
      * @param viewMotion the ViewMotion to compare against the list of Motions
      * in the data
-     * @param sharedValues properties that must be equal to consider it a duplicate
+     * @returns An Array of ViewMotions with the same identifier of the input, or an empty array
      */
-    public getMotionDuplicates(motion: Motion): ViewMotion[] {
+    public getMotionDuplicates(motion: ViewMotion): ViewMotion[] {
         const duplicates = this.DS.filter(Motion, item => motion.identifier === item.identifier);
         const viewMotions: ViewMotion[] = [];
         duplicates.forEach(item => viewMotions.push(this.createViewModel(item)));

client/src/app/site/users/components/user-import/user-import-list.component.html

@@ -0,0 +1,283 @@
+<os-head-bar [nav]="false">
+    <!-- Title -->
+    <div class="title-slot"><h2 translate>Import users</h2></div>
+
+    <div class="menu-slot">
+        <button *ngIf="hasFile && newCount" mat-button (click)="doImport()">
+            <span class="upper" translate> Import</span>
+        </button>
+    </div>
+</os-head-bar>
+<mat-card class="os-form-card import-table">
+    <mat-tab-group (selectedTabChange)="onTabChange()">
+        <mat-tab label="{{ 'CSV import' | translate }}">
+            <span translate
+                >Requires comma or semicolon separated values with these column header names in the first row</span
+            >: <br />
+            <div class="code red-warning-text">
+                <span translate>Title</span>, <span translate>Given name</span>, <span translate>Surname</span> ,
+                <span translate>Structure level</span>, <span translate>Participant number</span>,
+                <span translate>Groups</span> , <span translate>Comment</span>, <span translate>Is active</span>,
+                <span translate>Is present</span> , <span translate>Is committee</span>,
+                <span translate>Initial password</span>, <span translate>Email</span>
+            </div>
+            <ul>
+                <li translate>
+                    At least given name or surname have to be filled in. All other fields are optional and may be empty.
+                </li>
+                <li translate>
+                    Additional columns after the required ones may be present and won't affect the import.
+                </li>
+            </ul>
+            <button mat-button color="accent" (click)="downloadCsvExample()" translate>
+                Download CSV example file
+            </button>
+            <div class="wrapper">
+                <mat-form-field>
+                    <mat-label translate>Encoding of the file</mat-label>
+                    <mat-select
+                        class="selection"
+                        placeholder="translate.instant('Select encoding')"
+                        (selectionChange)="selectEncoding($event)"
+                        [value]="encodings[0].value"
+                    >
+                        <mat-option *ngFor="let option of encodings" [value]="option.value">
+                            {{ option.label | translate }}
+                        </mat-option>
+                    </mat-select>
+                </mat-form-field>
+                <mat-form-field>
+                    <mat-label translate> Column Separator</mat-label>
+                    <mat-select class="selection" (selectionChange)="selectColSep($event)" value="">
+                        <mat-option *ngFor="let option of columnSeparators" [value]="option.value">
+                            {{ option.label | translate }}
+                        </mat-option>
+                    </mat-select>
+                </mat-form-field>
+                <mat-form-field>
+                    <mat-label translate>Text separator</mat-label>
+                    <mat-select class="selection" (selectionChange)="selectTextSep($event)" value="&quot;">
+                        <mat-option *ngFor="let option of textSeparators" [value]="option.value">
+                            {{ option.label | translate }}
+                        </mat-option>
+                    </mat-select>
+                </mat-form-field>
+            </div>
+            <div>
+                <div>
+                    <input
+                        id="user-import-file-input"
+                        type="file"
+                        class="hidden-input"
+                        accept="text"
+                        #fileInput
+                        (change)="onSelectFile($event)"
+                    />
+                    <button mat-button color="accent" onclick="document.getElementById('user-import-file-input').click()">
+                        <span translate> Select file</span>
+                    </button>
+                </div>
+            </div>
+        </mat-tab>
+        <mat-tab label="{{ 'Text import' | translate }}">
+                <div [formGroup]="textAreaForm">
+                    <div>
+                        <span translate>
+                            Copy and paste your participant names in this textbox.</span>
+                        <span translate>
+                            Keep each person in a single line.
+                        </span><br />
+                        <span translate> Comma separated names will be read as 'Surname(s), given name(s)'. </span>
+                    </div>
+                    <mat-form-field>
+                        <textarea
+                            matInput
+                            formControlName="inputtext"
+                            placeholder="{{ 'Insert users here' | translate }}"
+                            cdkTextareaAutosize
+                            cdkAutosizeMinRows="3"
+                            cdkAutosizeMaxRows="10"
+                        ></textarea>
+                    </mat-form-field>
+                </div>
+                <div>
+                    <button mat-button color="accent" (click)="parseTextArea()"><span translate>Preview</span></button>
+                </div>
+            </mat-tab>
+    </mat-tab-group>
+</mat-card>
+
+<!-- preview table -->
+<mat-card *ngIf="hasFile" class="os-form-card import-table">
+    <h3 translate> Preview</h3>
+    <div class="summary">
+        <!-- new entries -->
+        <div *ngIf="newCount">
+            &nbsp;
+            <mat-icon inline>playlist_add</mat-icon>
+            <span>&nbsp;{{ newCount }}&nbsp;</span> <span translate>User(s) will be imported.</span>
+        </div>
+        <!-- errors/duplicates -->
+        <div *ngIf="nonImportableCount" class="red-warning-text">
+            &nbsp;
+            <mat-icon inline>warning</mat-icon>
+            <span>&nbsp;{{ nonImportableCount }}&nbsp;</span> <span translate>entries will be ommitted.</span>
+        </div>
+        <!-- have been imported -->
+        <div *ngIf="doneCount" class="green-text">
+            &nbsp;
+            <mat-icon inline>done</mat-icon>
+            <span>&nbsp;{{ doneCount }}&nbsp;</span> <span translate>Users have been imported.</span>
+        </div>
+    </div>
+    <div *ngIf="newCount">
+        <span translate>Click on 'import' (right top corner) to import the new users.
+        </span>
+    </div>
+    <mat-select *ngIf="nonImportableCount" class="filter-imports" [(value)]="shown" (selectionChange)="setFilter()">
+        <mat-option value="all" translate> Show all </mat-option>
+        <mat-option value="error" translate> Show errors only </mat-option>
+        <mat-option value="noerror" translate> Show correct entries </mat-option>
+    </mat-select>
+    <div class="table-container">
+        <table mat-table class="on-transition-fade" [dataSource]="dataSource" matSort>
+            <!-- Status column -->
+            <ng-container matColumnDef="status" sticky>
+
+                <mat-header-cell *matHeaderCellDef class="first-column"></mat-header-cell>
+                <mat-cell *matCellDef="let entry"  class="first-column">
+                    <div *ngIf="entry.status === 'error'">
+                        <mat-icon
+                            class="red-warning-text"
+                            matTooltip="{{ entry.errors.length }} {{ 'errors' | translate }}"
+                        >
+                            {{ getActionIcon(entry) }}
+                        </mat-icon>
+                        <mat-icon
+                        color="warn"
+                        *ngIf="hasError(entry, 'ParsingErrors')"
+                        matTooltip="{{ getVerboseError('ParsingErrors') | translate }}"
+                    >
+                        warning
+                    </mat-icon>
+                    </div>
+                    <div *ngIf="entry.status === 'new'">
+                        <mat-icon matTooltip="{{ 'User will be imported' | translate }}">
+                            {{ getActionIcon(entry) }}
+                        </mat-icon>
+                    </div>
+                    <div *ngIf="entry.status === 'done'">
+                        <mat-icon matTooltip="{{ 'User has been imported' | translate }}">
+                            {{ getActionIcon(entry) }}
+                        </mat-icon>
+                    </div>
+                </mat-cell>
+            </ng-container>
+
+            <!-- Title column -->
+            <ng-container matColumnDef="title">
+                <mat-header-cell *matHeaderCellDef translate>Title</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <span *ngIf="nameErrors(entry)">
+                        <mat-icon color="warn" inline matTooltip="{{ nameErrors(entry) | translate }}">
+                        warning
+                    </mat-icon>
+                    &nbsp;
+                </span>
+                    {{ entry.newEntry.title }}
+                </mat-cell>
+            </ng-container>
+
+            <!-- title column -->
+            <ng-container matColumnDef="first_name">
+                <mat-header-cell *matHeaderCellDef translate>Given name</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <span *ngIf="nameErrors(entry)">
+                        <mat-icon color="warn" inline matTooltip="{{ nameErrors(entry) | translate }}">
+                            warning
+                        </mat-icon>
+                        &nbsp;
+                    </span>
+                    {{ entry.newEntry.first_name }}
+                </mat-cell>
+            </ng-container>
+
+            <ng-container matColumnDef="last_name">
+                <mat-header-cell *matHeaderCellDef translate>Surname</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <span *ngIf="nameErrors(entry)">
+                        <mat-icon color="warn" inline matTooltip="{{ nameErrors(entry) | translate }}">
+                            warning
+                        </mat-icon>
+                        &nbsp;
+                    </span>
+                    {{ entry.newEntry.last_name }}
+                </mat-cell>
+            </ng-container>
+
+            <ng-container matColumnDef="structure_level">
+                <mat-header-cell *matHeaderCellDef translate>Structure level</mat-header-cell>
+                <mat-cell *matCellDef="let entry"> {{ entry.newEntry.structure_level }} </mat-cell>
+            </ng-container>
+
+            <ng-container matColumnDef="participant_number">
+                <mat-header-cell *matHeaderCellDef translate>Participant number</mat-header-cell>
+                <mat-cell *matCellDef="let entry"> {{ entry.newEntry.user.number }} </mat-cell>
+            </ng-container>
+
+            <!-- groups column -->
+            <ng-container matColumnDef="groups_id">
+                <mat-header-cell *matHeaderCellDef translate>Groups</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <div *ngIf="entry.newEntry.csvGroups.length">
+                        <span *ngIf="hasError(entry, 'Groups')">
+                            <mat-icon color="warn"matTooltip="{{ getVerboseError('Groups') | translate }}">
+                                warning
+                            </mat-icon>
+                            </span>
+                        <span *ngFor="let group of entry.newEntry.csvGroups">
+                            {{ group.name }}
+                            <mat-icon class="newBadge" color="accent" inline *ngIf="!group.id">add</mat-icon>
+                            &nbsp;
+                        </span>
+                    </div>
+                </mat-cell>
+            </ng-container>
+
+            <ng-container matColumnDef="comment">
+                <mat-header-cell *matHeaderCellDef translate>Comment</mat-header-cell>
+                <mat-cell *matCellDef="let entry"> {{ entry.newEntry.comment }} </mat-cell>
+            </ng-container>
+
+            <ng-container matColumnDef="is_active">
+                <mat-header-cell *matHeaderCellDef translate>Is Active</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <mat-checkbox disabled [checked]="entry.newEntry.is_active"> </mat-checkbox>
+                </mat-cell>
+            </ng-container>
+            <ng-container matColumnDef="is_present">
+                <mat-header-cell *matHeaderCellDef translate>Is Present</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <mat-checkbox disabled [checked]="entry.newEntry.is_present"> </mat-checkbox>
+                </mat-cell>
+            </ng-container>
+            <ng-container matColumnDef="is_committee">
+                <mat-header-cell *matHeaderCellDef translate>Is Committee</mat-header-cell>
+                <mat-cell *matCellDef="let entry">
+                    <mat-checkbox disabled [checked]="entry.newEntry.is_committee"> </mat-checkbox>
+                </mat-cell>
+            </ng-container>
+            <ng-container matColumnDef="default_password">
+                <mat-header-cell *matHeaderCellDef translate>Initial password</mat-header-cell>
+                <mat-cell *matCellDef="let entry"> {{ entry.newEntry.default_password }} </mat-cell>
+            </ng-container>
+            <ng-container matColumnDef="email">
+                <mat-header-cell *matHeaderCellDef translate>Email</mat-header-cell>
+                <mat-cell *matCellDef="let entry"> {{ entry.newEntry.email }} </mat-cell>
+            </ng-container>
+
+            <mat-header-row *matHeaderRowDef="getColumnDefinition()"></mat-header-row>
+            <mat-row [ngClass]="getStateClass(row)" *matRowDef="let row; columns: getColumnDefinition()"> </mat-row>
+        </table>
+    </div>
+</mat-card>

client/src/app/site/users/components/user-import/user-import-list.component.spec.ts

@@ -0,0 +1,26 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { UserImportListComponent } from './user-import-list.component';
+import { E2EImportsModule } from 'e2e-imports.module';
+
+describe('UserImportListComponent', () => {
+    let component: UserImportListComponent;
+    let fixture: ComponentFixture<UserImportListComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            declarations: [UserImportListComponent],
+            imports: [E2EImportsModule]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(UserImportListComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

client/src/app/site/users/components/user-import/user-import-list.component.ts

@@ -0,0 +1,103 @@
+import { Component } from '@angular/core';
+import { MatSnackBar } from '@angular/material';
+import { Title } from '@angular/platform-browser';
+import { TranslateService } from '@ngx-translate/core';
+
+import { BaseImportListComponent } from 'app/site/base/base-import-list';
+import { FileExportService } from 'app/core/services/file-export.service';
+import { FormBuilder, FormGroup } from '@angular/forms';
+import { NewEntry } from 'app/core/services/base-import.service';
+import { UserImportService } from '../../services/user-import.service';
+import { ViewUser } from '../../models/view-user';
+
+/**
+ * Component for the user import list view.
+ */
+@Component({
+    selector: 'os-user-import-list',
+    templateUrl: './user-import-list.component.html'
+})
+export class UserImportListComponent extends BaseImportListComponent<ViewUser> {
+    public textAreaForm: FormGroup;
+
+    /**
+     * Constructor for list view bases
+     *
+     * @param titleService the title serivce
+     * @param matSnackBar snackbar for displaying errors
+     * @param formBuilder: FormBuilder for the textArea
+     * @param translate the translate service
+     * @param exporter: csv export service for dummy dat
+     * @param importer: The motion csv import service
+     */
+    public constructor(
+        titleService: Title,
+        matSnackBar: MatSnackBar,
+        formBuilder: FormBuilder,
+        public translate: TranslateService,
+        private exporter: FileExportService,
+        importer: UserImportService
+    ) {
+        super(importer, titleService, translate, matSnackBar);
+        this.textAreaForm = formBuilder.group({ inputtext: [''] });
+    }
+
+    /**
+     * Triggers an example csv download
+     */
+    public downloadCsvExample(): void {
+        const headerRow = [
+            'Title',
+            'Given name',
+            'Surname',
+            'Structure level',
+            'Participant number',
+            'Groups',
+            'Comment',
+            'Is active',
+            'Is present',
+            'Is a committee',
+            'Initial password',
+            'Email'
+        ]
+            .map(item => this.translate.instant(item))
+            .join(',');
+        const rows = [
+            headerRow,
+            'Dr.,Max,Mustermann,"Berlin",1234567890,"Delegates, Staff",xyz,1,1,,initialPassword,',
+            ',John,Doe,Washington,75/99/8-2,Committees,"This is a comment, without doubt",1,1,,,john.doe@email.com',
+            ',Fred,Bloggs,London,,,,,,,,',
+            ',,Executive Board,,,,,,,1,,'
+        ];
+        this.exporter.saveFile(rows.join('\n'), this.translate.instant('User example') + '.csv');
+    }
+
+    /**
+     * Shorthand for getVerboseError on name fields checking for duplicates and invalid fields
+     *
+     * @param row
+     * @returns an error string similar to getVerboseError
+     */
+    public nameErrors(row: NewEntry<ViewUser>): string {
+        for (const name of ['NoName', 'Duplicates', 'DuplicateImport']) {
+            if (this.importer.hasError(row, name)) {
+                return this.importer.verbose(name);
+            }
+        }
+        return '';
+    }
+
+    /**
+     * Sends the data in the text field input area to the importer
+     */
+    public parseTextArea(): void {
+        (this.importer as UserImportService).parseTextArea(this.textAreaForm.get('inputtext').value);
+    }
+
+    /**
+     * Triggers a change in the tab group: Clearing the preview selection
+     */
+    public onTabChange(): void {
+        this.importer.clearPreview();
+    }
+}

client/src/app/site/users/components/user-list/user-list.component.html

@@ -90,6 +90,12 @@
             <mat-icon>archive</mat-icon>
             <span translate>Export as CSV</span>
         </button>
+
+        <button mat-menu-item *osPerms="'users.can_manage'" routerLink="import">
+            <mat-icon>save_alt</mat-icon>
+            <span translate>Import</span><span>&nbsp;...</span>
+        </button>
+
     </div>
     <div *ngIf="isMultiSelect">
         <button mat-menu-item (click)="selectAll()">

client/src/app/site/users/components/user-list/user-list.component.ts

@@ -79,15 +79,6 @@ export class UserListComponent extends ListViewBaseComponent<ViewUser> implement
         });
     }
 
-    /**
-     * Navigate to import page or do it inline
-     *
-     * TODO: implement importing of users
-     */
-    public import(): void {
-        console.log('click on Import');
-    }
-
     /**
      * Handles the click on a user row if not in multiSelect modus
      * @param row selected row

client/src/app/site/users/models/view-csv-create-user.ts

@@ -0,0 +1,73 @@
+import { ViewUser } from './view-user';
+import { User } from 'app/shared/models/users/user';
+
+/**
+ * Interface for correlating between strings representing BaseModels and existing
+ * BaseModels.
+ */
+export interface CsvMapping {
+    name: string;
+    id?: number;
+    multiId?: number[];
+}
+
+/**
+ * View class for a new User during text imports. Offers a mapping and matching
+ * to secondary import data (groups)
+ *
+ * @ignore
+ */
+export class ViewCsvCreateUser extends ViewUser {
+    /**
+     * Mapping for a new/existing groups.
+     */
+    public csvGroups: CsvMapping[] = [];
+
+    public title: string;
+
+    /**
+     * Getter if the minimum requrements for a user are met: A name
+     *
+     * @returns false if the user has neither first nor last name
+     */
+    public get isValid(): boolean {
+        if (this.user && (this.first_name || this.last_name)) {
+            return true;
+        }
+        return false;
+    }
+
+    public constructor(user?: User) {
+        super(user);
+    }
+
+    /**
+     * takes a list of solved group maps to update. Returns the amount of
+     * entries that remain unmatched
+     *
+     * @param groups
+     */
+    public solveGroups(groups: CsvMapping[]): number {
+        let open = 0;
+        const ids: number[] = [];
+        this.csvGroups.forEach(group => {
+            if (group.id) {
+                ids.push(group.id);
+                return;
+            }
+            if (!groups.length) {
+                open += 1;
+                return;
+            }
+            const mapped = groups.find(newGroup => newGroup.name === group.name);
+            if (mapped) {
+                group.id = mapped.id;
+                ids.push(mapped.id);
+            } else {
+                open += 1;
+            }
+        });
+        this.user.groups_id = ids;
+        return open;
+    }
+}

client/src/app/site/users/services/user-import.service.spec.ts

@@ -0,0 +1,17 @@
+import { TestBed } from '@angular/core/testing';
+
+import { E2EImportsModule } from 'e2e-imports.module';
+import { UserImportService } from './user-import.service';
+
+describe('UserImportService', () => {
+    beforeEach(() =>
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule]
+        })
+    );
+
+    it('should be created', () => {
+        const service: UserImportService = TestBed.get(UserImportService);
+        expect(service).toBeTruthy();
+    });
+});

client/src/app/site/users/services/user-import.service.ts

@@ -0,0 +1,271 @@
+import { Injectable } from '@angular/core';
+import { MatSnackBar } from '@angular/material';
+import { Papa } from 'ngx-papaparse';
+
+import { BaseImportService, NewEntry } from 'app/core/services/base-import.service';
+import { Group } from 'app/shared/models/users/group';
+import { GroupRepositoryService } from './group-repository.service';
+import { TranslateService } from '@ngx-translate/core';
+import { User } from 'app/shared/models/users/user';
+import { UserRepositoryService } from './user-repository.service';
+import { ViewCsvCreateUser, CsvMapping } from '../models/view-csv-create-user';
+import { ViewUser } from '../models/view-user';
+
+@Injectable({
+    providedIn: 'root'
+})
+export class UserImportService extends BaseImportService<ViewUser> {
+    /**
+     * Helper for mapping the expected header in a typesafe way. Values and order
+     * will be passed to {@link expectedHeader}
+     */
+    public headerMap: (keyof ViewCsvCreateUser)[] = [
+        'title',
+        'first_name',
+        'last_name',
+        'structure_level',
+        'participant_number',
+        'groups_id',
+        'comment',
+        'is_active',
+        'is_present',
+        'is_committee',
+        'default_password',
+        'email'
+    ];
+
+    /**
+     * The minimimal number of header entries needed to successfully create an entry
+     */
+    public requiredHeaderLength = 3;
+
+    /**
+     * List of possible errors and their verbose explanation
+     */
+    public errorList = {
+        Group: 'Group cannot be resolved',
+        Duplicates: 'This user already exists',
+        NoName: 'Entry has no valid name',
+        DuplicateImport: 'Entry cannot be imported twice. This line will be ommitted',
+        ParsingErrors: 'Some csv values could not be read correctly.'
+    };
+
+    /**
+     * Storage for tracking new groups to be created prior to importing users
+     */
+    public newGroups: CsvMapping[];
+
+    /**
+     * Constructor. Calls parent and sets the expected header
+     *
+     * @param repo The User repository
+     * @param groupRepo the Group repository
+     * @param translate TranslationService
+     * @param papa csvParser
+     * @param matSnackbar MatSnackBar for displaying error messages
+     */
+    public constructor(
+        private repo: UserRepositoryService,
+        private groupRepo: GroupRepositoryService,
+        translate: TranslateService,
+        papa: Papa,
+        matSnackbar: MatSnackBar
+    ) {
+        super(translate, papa, matSnackbar);
+        this.expectedHeader = this.headerMap;
+    }
+
+    /**
+     * Clears all temporary data specific to this importer
+     */
+    public clearData(): void {
+        this.newGroups = [];
+    }
+
+    /**
+     * Parses a string representing an entry, extracting secondary data, appending
+     * the array of secondary imports as needed
+     *
+     * @param line
+     * @returns a new entry representing an User
+     */
+    public mapData(line: string): NewEntry<ViewUser> {
+        const newViewUser = new ViewCsvCreateUser(new User());
+        const headerLength = Math.min(this.expectedHeader.length, line.length);
+        let hasErrors = false;
+        for (let idx = 0; idx < headerLength; idx++) {
+            switch (this.expectedHeader[idx]) {
+                case 'groups_id':
+                    newViewUser.csvGroups = this.getGroups(line[idx]);
+                    break;
+                case 'is_active':
+                case 'is_committee':
+                case 'is_present':
+                    try {
+                        newViewUser.user[this.expectedHeader[idx]] = this.toBoolean(line[idx]);
+                    } catch (e) {
+                        if (e instanceof TypeError) {
+                            console.log(e);
+                            hasErrors = true;
+                            continue;
+                        }
+                    }
+                    break;
+                case 'participant_number':
+                    newViewUser.user.number = line[idx];
+                    break;
+                default:
+                    newViewUser.user[this.expectedHeader[idx]] = line[idx];
+                    break;
+            }
+        }
+        const newEntry = this.userToEntry(newViewUser);
+        if (hasErrors) {
+            this.setError(newEntry, 'ParsingErrors');
+        }
+        return newEntry;
+    }
+
+    /**
+     * Executing the import. Creates all secondary data, maps the newly created
+     * secondary data to the new entries, then creates all entries without errors
+     * by submitting them to the server. The entries will receive the status
+     * 'done' on success.
+     */
+    public async doImport(): Promise<void> {
+        this.newGroups = await this.createNewGroups();
+        for (const entry of this.entries) {
+            if (entry.status !== 'new') {
+                continue;
+            }
+            const openBlocks = (entry.newEntry as ViewCsvCreateUser).solveGroups(this.newGroups);
+            if (openBlocks) {
+                this.setError(entry, 'Group');
+                this.updatePreview();
+                continue;
+            }
+            await this.repo.create(entry.newEntry.user);
+            entry.status = 'done';
+        }
+        this.updatePreview();
+    }
+
+    /**
+     * extracts the group(s) from a csv column and tries to match them against existing groups,
+     * appending to {@link newGroups} if needed.
+     * Also checks for groups matching the translation between english and the language currently set
+     *
+     * @param groupString string from an entry line including one or more comma separated groups
+     * @returns a mapping with (if existing) ids to the group names
+     */
+    private getGroups(groupString: string): CsvMapping[] {
+        const result: CsvMapping[] = [];
+        if (!groupString) {
+            return [];
+        }
+        groupString.trim();
+        const groupArray = groupString.split(',');
+        for (const item of groupArray) {
+            const newGroup = item.trim();
+            let existingGroup = this.groupRepo.getViewModelList().filter(grp => grp.name === newGroup);
+            if (!existingGroup.length) {
+                existingGroup = this.groupRepo
+                    .getViewModelList()
+                    .filter(grp => this.translate.instant(grp.name) === newGroup);
+            }
+            if (!existingGroup.length) {
+                if (!this.newGroups.find(listedGrp => listedGrp.name === newGroup)) {
+                    this.newGroups.push({ name: newGroup });
+                }
+                result.push({ name: newGroup });
+            } else if (existingGroup.length === 1) {
+                result.push({
+                    name: existingGroup[0].name,
+                    id: existingGroup[0].id
+                });
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Handles the creation of new groups collected in {@link newGroups}.
+     *
+     * @returns The group mapping with (on success) new ids
+     */
+    private async createNewGroups(): Promise<CsvMapping[]> {
+        const promises: Promise<CsvMapping>[] = [];
+        for (const group of this.newGroups) {
+            promises.push(
+                this.groupRepo.create(new Group({ name: group.name })).then(identifiable => {
+                    return { name: group.name, id: identifiable.id };
+                })
+            );
+        }
+        return await Promise.all(promises);
+    }
+
+    /**
+     * translates a string into a boolean
+     *
+     * @param data
+     * @returns a boolean from the string
+     */
+    private toBoolean(data: string): Boolean {
+        if (!data || data === '0' || data === 'false') {
+            return false;
+        } else if (data === '1' || data === 'true') {
+            return true;
+        } else {
+            throw new TypeError('Value cannot be translated into boolean: ' + data);
+        }
+    }
+
+    /**
+     * parses the data given by the textArea. Expects user names separated by lines.
+     * Comma separated values will be read as Surname(s), given name(s) (lastCommaFirst)
+     *
+     * @param data a string as produced by textArea input
+     */
+    public parseTextArea(data: string): void {
+        const newEntries: NewEntry<ViewUser>[] = [];
+        this.clearData();
+        this.clearPreview();
+        const lines = data.split('\n');
+        lines.forEach(line => {
+            if (!line.length) {
+                return;
+            }
+            const nameSchema = line.includes(',') ? 'lastCommaFirst' : 'firstSpaceLast';
+            const newUser = new ViewCsvCreateUser(this.repo.parseUserString(line, nameSchema));
+            const newEntry = this.userToEntry(newUser);
+            newEntries.push(newEntry);
+        });
+        this.setParsedEntries(newEntries);
+    }
+
+    /**
+     * Checks a newly created ViewCsvCreateuser for validity and duplicates,
+     *
+     * @param newUser
+     * @returns a NewEntry with duplicate/error information
+     */
+    private userToEntry(newUser: ViewCsvCreateUser): NewEntry<ViewUser> {
+        const newEntry: NewEntry<ViewUser> = {
+            newEntry: newUser,
+            duplicates: [],
+            status: 'new',
+            errors: []
+        };
+        if (newUser.isValid) {
+            const updateModels = this.repo.getUserDuplicates(newUser);
+            if (updateModels.length) {
+                newEntry.duplicates = updateModels;
+                this.setError(newEntry, 'Duplicates');
+            }
+        } else {
+            this.setError(newEntry, 'NoName');
+        }
+        return newEntry;
+    }
+}

client/src/app/site/users/services/user-repository.service.ts

@@ -13,6 +13,12 @@ import { HttpService } from 'app/core/services/http.service';
 import { TranslateService } from '@ngx-translate/core';
 import { environment } from '../../../../environments/environment';
 
+/**
+ * type for determining the user name from a string during import.
+ * See {@link parseUserString} for implementations
+ */
+type StringNamingSchema = 'lastCommaFirst' | 'firstSpaceLast';
+
 /**
  * Repository service for users
  *
@@ -222,24 +228,63 @@ export class UserRepositoryService extends BaseRepository<ViewUser, User> {
 
     /**
      * Creates a new User from a string
+     *
      * @param user: String to create the user from
-     * TODO: return 'user' + new id
+     * @returns Promise with a created user id and the raw name used as input
      */
     public async createFromString(user: string): Promise<{ id: number; name: string }> {
-        const splitUser = user.split(' ');
-        const newUser: Partial<User> = {};
-        switch (splitUser.length) {
-            case 1:
-                newUser.first_name = splitUser[0];
-                break;
-            case 2:
-                newUser.first_name = splitUser[0];
-                newUser.last_name = splitUser[1];
-                break;
-            default:
-                newUser.first_name = user;
-        }
+        const newUser = this.parseUserString(user);
         const createdUser = await this.create(newUser);
         return { id: createdUser.id, name: user };
     }
+
+    /**
+     * Tries to convert a user string into an user. If it is two words, expect
+     * a first and a last name, if one word only, expect a first name only.
+     * If more than two words, they will all be put as the first name
+     * TODO: More advanced logic to fit names
+     *
+     * @param inputUser A raw user string
+     * @param schema optional hint on how to handle the strings. TODO: Not fully implemented.
+     * @returns A User object (not uploaded to the server)
+     */
+    public parseUserString(inputUser: string, schema?: StringNamingSchema): User {
+        const newUser: Partial<User> = {};
+        if (schema === 'lastCommaFirst') {
+            const commaSeparated = inputUser.split(',');
+            switch (commaSeparated.length) {
+                case 1:
+                    newUser.first_name = commaSeparated[0];
+                    break;
+                case 2:
+                    newUser.last_name = commaSeparated[0];
+                    newUser.first_name = commaSeparated[1];
+                    break;
+                default:
+                    newUser.first_name = inputUser;
+            }
+        } else if (!schema || schema === 'firstSpaceLast') {
+            const splitUser = inputUser.split(' ');
+            switch (splitUser.length) {
+                case 1:
+                    newUser.first_name = splitUser[0];
+                    break;
+                case 2:
+                    newUser.first_name = splitUser[0];
+                    newUser.last_name = splitUser[1];
+                    break;
+                default:
+                    newUser.first_name = inputUser;
+            }
+        }
+        return new User(newUser);
+    }
+
+    /**
+     * Returns all duplicates of an user (currently: full name matches)
+     * @param user
+     */
+    public getUserDuplicates(user: ViewUser): ViewUser[] {
+        return this.getViewModelList().filter(existingUser => existingUser.full_name === user.full_name);
+    }
 }

client/src/app/site/users/users-routing.module.ts

@@ -1,9 +1,11 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
-import { UserListComponent } from './components/user-list/user-list.component';
-import { UserDetailComponent } from './components/user-detail/user-detail.component';
+
 import { GroupListComponent } from './components/group-list/group-list.component';
 import { PasswordComponent } from './components/password/password.component';
+import { UserDetailComponent } from './components/user-detail/user-detail.component';
+import { UserImportListComponent } from './components/user-import/user-import-list.component';
+import { UserListComponent } from './components/user-list/user-list.component';
 
 const routes: Routes = [
     {
@@ -22,6 +24,10 @@ const routes: Routes = [
         path: 'new',
         component: UserDetailComponent
     },
+    {
+        path: 'import',
+        component: UserImportListComponent
+    },
     {
         path: 'groups',
         component: GroupListComponent

client/src/app/site/users/users.module.ts

@@ -1,15 +1,22 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 
-import { UsersRoutingModule } from './users-routing.module';
-import { SharedModule } from '../../shared/shared.module';
-import { UserListComponent } from './components/user-list/user-list.component';
-import { UserDetailComponent } from './components/user-detail/user-detail.component';
 import { GroupListComponent } from './components/group-list/group-list.component';
 import { PasswordComponent } from './components/password/password.component';
+import { SharedModule } from '../../shared/shared.module';
+import { UserDetailComponent } from './components/user-detail/user-detail.component';
+import { UserImportListComponent } from './components/user-import/user-import-list.component';
+import { UserListComponent } from './components/user-list/user-list.component';
+import { UsersRoutingModule } from './users-routing.module';
 
 @NgModule({
     imports: [CommonModule, UsersRoutingModule, SharedModule],
-    declarations: [UserListComponent, UserDetailComponent, GroupListComponent, PasswordComponent]
+    declarations: [
+        UserListComponent,
+        UserDetailComponent,
+        GroupListComponent,
+        PasswordComponent,
+        UserImportListComponent
+    ]
 })
 export class UsersModule {}

client/src/styles.scss

@@ -16,7 +16,6 @@
 
 @import '~angular-tree-component/dist/angular-tree-component.css';
 
-
 * {
     font-family: Fira Sans, Roboto, Arial, Helvetica, sans-serif;
 }
@@ -72,14 +71,15 @@ img {
 
 a {
     text-decoration: none;
-    color: #039BE5;  /*TODO: move to theme*/
+    color: #039be5; /*TODO: move to theme*/
 
     &:hover {
         text-decoration: underline;
     }
 }
 
-strong, b {
+strong,
+b {
     font-weight: 500;
 }
 
@@ -113,8 +113,9 @@ strong, b {
     color: mat-color($openslides-accent);
 }
 
-.green-text { // TODO better name/theming
-    color: #5A5;
+.green-text {
+    // TODO better name/theming
+    color: #5a5;
 }
 
 .icon-text-distance {
@@ -126,7 +127,7 @@ strong, b {
     color: gray;
 }
 mat-card {
-    box-shadow:  0 1px 4px 0 rgba(0,0,0,0.37) !important;
+    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.37) !important;
 }
 .os-card {
     max-width: 770px;
@@ -152,7 +153,6 @@ mat-card {
     }
 }
 
-
 // Shared table definitions
 %os-table {
     width: 100%;
@@ -175,8 +175,14 @@ mat-card {
 }
 
 @keyframes fadeIn {
-    0%   {width:0%; margin-left:0;}
-    100% {width:100%;margin-left:-100%;}
+    0% {
+        width: 0%;
+        margin-left: 0;
+    }
+    100% {
+        width: 100%;
+        margin-left: -100%;
+    }
 }
 
 //custom table header for search button, filtering and more. Used in ListViews
@@ -198,7 +204,7 @@ mat-card {
         position: relative;
         max-width: 400px;
         z-index: 2;
-        background-color: #EEE;
+        background-color: #eee;
         padding-right: 5px;
         margin-right: 0px;
     }
@@ -338,7 +344,6 @@ button.mat-menu-item.selected {
     font-size: 18px;
 }
 
-
 /** helper classes for margin/padding */
 .spacer-top-10 {
     margin-top: 10px;
@@ -366,10 +371,10 @@ button.mat-menu-item.selected {
     line-height: 24px;
 
     .mat-icon {
-      font-size: 24px;
-      width: 24px;
-      height: 24px;
-      line-height: 24px;
+        font-size: 24px;
+        width: 24px;
+        height: 24px;
+        line-height: 24px;
     }
 }
 .title-left {
@@ -381,13 +386,11 @@ button.mat-menu-item.selected {
     padding-right: 20px;
 }
 
-
 /** more helper classes **/
 .center {
     text-align: center;
 }
 
-
 /** Colors **/
 .lightblue {
     background-color: rgb(33, 150, 243) !important;
@@ -427,28 +430,92 @@ button.mat-menu-item.selected {
     color: rgba(0, 0, 0, 0.87) !important;
 }
 
-
-
 /* TODO: move to site.component.scss-theme.scss (does not work currently) */
 
-    /* make the .user-menu expansion panel look like the nav-toolbar above */
-    .user-menu {
-        min-height: 48px;
+/* make the .user-menu expansion panel look like the nav-toolbar above */
+.user-menu {
+    min-height: 48px;
 
-        .mat-expansion-panel-header {
-            padding: 0 16px !important;
-        }
-
-        .mat-expansion-panel-body {
-            padding: 0 !important;
-        }
+    .mat-expansion-panel-header {
+        padding: 0 16px !important;
     }
 
-    .mat-drawer-inner-container {
-        scrollbar-width: none; /* hide scrollbars in Firefox */
-        -ms-overflow-style: -ms-autohiding-scrollbar; /* hide scrollbars in Edge until the scrollable area is hovered */
+    .mat-expansion-panel-body {
+        padding: 0 !important;
+    }
+}
+
+.mat-drawer-inner-container {
+    scrollbar-width: none; /* hide scrollbars in Firefox */
+    -ms-overflow-style: -ms-autohiding-scrollbar; /* hide scrollbars in Edge until the scrollable area is hovered */
+}
+
+.mat-drawer-inner-container::-webkit-scrollbar {
+    display: none !important; /* hide scrollbars in webkit browsers */
+}
+
+.import-table {
+    .table-container {
+        width: 100%;
+        overflow-x: scroll;
+        margin-top: 5px;
     }
 
-    .mat-drawer-inner-container::-webkit-scrollbar {
-        display: none !important; /* hide scrollbars in webkit browsers */
+    table {
+        width: 100%;
+        overflow: scroll;
     }
+
+    .mat-header-cell {
+        min-width: 100px;
+        flex: 2;
+        padding-right: 8px;
+    }
+    .mat-cell {
+        min-width: 100px;
+        flex: 2;
+        padding-top: 2px;
+        padding-right: 8px;
+    }
+    .selection {
+        min-width: 80px;
+    }
+
+    .import-done {
+        background-color: #cfc;
+    }
+    .import-error {
+        background-color: #fcc;
+    }
+
+    .code {
+        padding-left: 1em;
+        font-style: italic;
+    }
+
+    div.wrapper {
+        display: flex;
+        vertical-align: bottom;
+        padding: 10px;
+    }
+
+    div.summary {
+        display: flex;
+    }
+
+    .hidden-input {
+        display: none;
+    }
+
+    .newBadge {
+        margin-left: -3px;
+    }
+
+    .first-column {
+        flex: 1;
+        min-width: 0px;
+    }
+    .filter-imports {
+        max-width: 50%;
+    }
+}