Added new multiselect actions.

client/src/app/core/core.module.ts

@@ -13,6 +13,7 @@ import { DataSendService } from './services/data-send.service';
 import { ViewportService } from './services/viewport.service';
 import { PromptDialogComponent } from '../shared/components/prompt-dialog/prompt-dialog.component';
 import { HttpService } from './services/http.service';
+import { ChoiceDialogComponent } from '../shared/components/choice-dialog/choice-dialog.component';
 
 /** Global Core Module. Contains all global (singleton) services
  *
@@ -31,7 +32,7 @@ import { HttpService } from './services/http.service';
         ViewportService,
         WebsocketService
     ],
-    entryComponents: [PromptDialogComponent]
+    entryComponents: [PromptDialogComponent, ChoiceDialogComponent]
 })
 export class CoreModule {
     /** make sure CoreModule is imported only by one NgModule, the AppModule */

client/src/app/core/services/choice.service.spec.ts

@@ -0,0 +1,18 @@
+import { TestBed } from '@angular/core/testing';
+
+import { ChoiceService } from './choice.service';
+import { E2EImportsModule } from 'e2e-imports.module';
+
+describe('ChoiceService', () => {
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule],
+            providers: [ChoiceService]
+        });
+    });
+
+    it('should be created', () => {
+        const service: ChoiceService = TestBed.get(ChoiceService);
+        expect(service).toBeTruthy();
+    });
+});

client/src/app/core/services/choice.service.ts

@@ -0,0 +1,35 @@
+import { Injectable } from '@angular/core';
+import { OpenSlidesComponent } from '../../openslides.component';
+import { MatDialog } from '@angular/material';
+import { ChoiceDialogComponent, ChoiceDialogOptions, ChoiceAnswer } from '../../shared/components/choice-dialog/choice-dialog.component';
+
+/**
+ * A service for prompting the user to select a choice.
+ */
+@Injectable({
+  providedIn: 'root'
+})
+export class ChoiceService extends OpenSlidesComponent {
+    /**
+     * Ctor.
+     *
+     * @param dialog For opening the ChoiceDialog
+     */
+    public constructor(private dialog: MatDialog) {
+        super();
+    }
+
+    /**
+     * Opens the dialog. Returns the chosen value after the user accepts.
+     * @param title The title to display in the dialog
+     * @param choices The available choices
+     * @returns an answer {@link ChoiceAnswer}
+     */
+    public async open(title: string, choices: ChoiceDialogOptions, multiSelect: boolean = false): Promise<ChoiceAnswer> {
+        const dialogRef = this.dialog.open(ChoiceDialogComponent, {
+            minWidth: '250px',
+            data: { title: title, choices: choices, multiSelect: multiSelect }
+        });
+        return dialogRef.afterClosed().toPromise();
+    }
+}

client/src/app/core/services/config.service.spec.ts

@@ -1,10 +1,12 @@
 import { TestBed, inject } from '@angular/core/testing';
 
 import { ConfigService } from './config.service';
+import { E2EImportsModule } from 'e2e-imports.module';
 
 describe('ConfigService', () => {
     beforeEach(() => {
         TestBed.configureTestingModule({
+            imports: [E2EImportsModule],
             providers: [ConfigService]
         });
     });

client/src/app/shared/components/choice-dialog/choice-dialog.component.html

@@ -0,0 +1,24 @@
+<h2 mat-dialog-title>{{ data.title | translate }}</h2>
+<div class="scrollmenu">
+    <mat-radio-group #radio name="choice" *ngIf="!data.multiSelect" class="choice-radio-group" [(ngModel)]="selectedChoice">
+        <mat-radio-button class="choice-button" *ngFor="let choice of data.choices" [value]="choice.id">
+            {{ getChoiceTitle(choice)  | translate}}
+        </mat-radio-button>
+    </mat-radio-group>
+
+    <mat-list *ngIf="data.multiSelect">
+        <mat-list-item *ngFor="let choice of data.choices">
+            <mat-checkbox [checked]="isChosen(choice)" (change)="toggleChoice(choice)">
+                {{ getChoiceTitle(choice) | translate }}
+            </mat-checkbox>
+        </mat-list-item>
+    </mat-list>
+
+    <span *ngIf="!data.choices.length" translate>No choices available</span>
+</div>
+<mat-dialog-actions>
+    <button *ngIf="!data.multiSelect || data.choices.length" mat-button (click)="closeDialog(true)">
+        <span translate>Ok</span>
+    </button>
+    <button mat-button (click)="closeDialog(false)"><span translate>Cancel</span></button>
+</mat-dialog-actions>

client/src/app/shared/components/choice-dialog/choice-dialog.component.scss

@@ -0,0 +1,15 @@
+mat-radio-group {
+    display: inline-flex;
+    flex-direction: column;
+
+    mat-radio-button {
+        margin: 5px;
+    }
+}
+
+.scrollmenu {
+    padding: 4px;
+    overflow-y: auto;
+    display: block;
+    overflow-y: auto;
+}

client/src/app/shared/components/choice-dialog/choice-dialog.component.spec.ts

@@ -0,0 +1,26 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+// import { ChoiceDialogComponent } from './choice-dialog.component';
+import { E2EImportsModule } from 'e2e-imports.module';
+
+describe('ChoiceDialogComponent', () => {
+    // let component: ChoiceDialogComponent;
+    // let fixture: ComponentFixture<ChoiceDialogComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule]
+        }).compileComponents();
+    }));
+
+   // TODO: You cannot create this component in the standard way. Needs different testing.
+   beforeEach(() => {
+    /*fixture = TestBed.createComponent(PromptDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();*/
+});
+
+/*it('should create', () => {
+    expect(component).toBeTruthy();
+});*/
+});

client/src/app/shared/components/choice-dialog/choice-dialog.component.ts

@@ -0,0 +1,92 @@
+import { Component, Inject } from '@angular/core';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { Displayable } from 'app/shared/models/base/displayable';
+import { Identifiable } from 'app/shared/models/base/identifiable';
+
+/**
+ * An option needs to be identifiable and should have a strnig to display. Either uses Displayble or
+ * a label property.
+ */
+type ChoiceDialogOption = (Identifiable & Displayable) | (Identifiable & { label: string });
+
+/**
+ * All choices in the array should have the same type.
+ */
+export type ChoiceDialogOptions = (Identifiable & Displayable)[] | (Identifiable & { label: string })[];
+
+interface ChoiceDialogData {
+    title: string;
+    choices: ChoiceDialogOptions;
+    multiSelect: boolean;
+}
+
+/**
+ * undefined is returned, if the dialog is closed. If a choice is submitted,
+ * it might be a number oder an array of numbers for multiselect.
+ */
+export type ChoiceAnswer = undefined | number | number[];
+
+/**
+ * A dialog with choice fields.
+ */
+@Component({
+    selector: 'os-choice-dialog',
+    templateUrl: './choice-dialog.component.html',
+    styleUrls: ['./choice-dialog.component.scss']
+})
+export class ChoiceDialogComponent {
+    /**
+     * One number selected, if this is a single select choice
+     */
+    public selectedChoice: number;
+
+    /**
+     * All selected ids, if this is a multiselect choice
+     */
+    public selectedMultiChoices: number[] = [];
+
+    public constructor(
+        public dialogRef: MatDialogRef<ChoiceDialogComponent>,
+        @Inject(MAT_DIALOG_DATA) public data: ChoiceDialogData
+    ) {}
+
+    public getChoiceTitle(choice: ChoiceDialogOption): string {
+        if ('label' in choice) {
+            return choice.label;
+        } else {
+            return choice.getTitle();
+        }
+    }
+
+    /**
+     * Closes the dialog with the selected choices
+     */
+    public closeDialog(ok: boolean): void {
+        if (ok) {
+            this.dialogRef.close(this.data.multiSelect ? this.selectedMultiChoices : this.selectedChoice);
+        } else {
+            this.dialogRef.close();
+        }
+    }
+
+    /**
+     * For multiSelect: Determines whether a choice has been activated
+     * @param choice
+     */
+    public isChosen(choice: Identifiable): boolean {
+        return this.selectedMultiChoices.indexOf(choice.id) >= 0;
+    }
+
+    /**
+     * For multiSelect: Activates/deactivates a multi-Choice option
+     * @param choice
+     */
+    public toggleChoice(choice: Identifiable) : void {
+        const idx = this.selectedMultiChoices.indexOf(choice.id);
+        if (idx < 0) {
+            this.selectedMultiChoices.push(choice.id);
+        } else {
+            this.selectedMultiChoices.splice(idx, 1);
+        }
+    }
+}

client/src/app/shared/components/head-bar/head-bar.component.html

@@ -23,7 +23,7 @@
     </div>
 
     <!-- centered information slot-->
-    <div *ngIf="multiSelectMode" class=spacer></div>
+    <div *ngIf="!multiSelectMode" class=spacer></div>
     <div class="toolbar-centered on-transition-fade" *ngIf="multiSelectMode">
         <ng-content select=".central-info-slot"></ng-content>
     </div>

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

@@ -66,6 +66,7 @@ import { PromptDialogComponent } from './components/prompt-dialog/prompt-dialog.
 import { SortingListComponent } from './components/sorting-list/sorting-list.component';
 import { SpeakerListComponent } from 'app/site/agenda/components/speaker-list/speaker-list.component';
 import { SortingTreeComponent } from './components/sorting-tree/sorting-tree.component';
+import { ChoiceDialogComponent } from './components/choice-dialog/choice-dialog.component';
 
 /**
  * Share Module for all "dumb" components and pipes.
@@ -180,7 +181,8 @@ import { SortingTreeComponent } from './components/sorting-tree/sorting-tree.com
         PromptDialogComponent,
         SortingListComponent,
         SpeakerListComponent,
-        SortingTreeComponent
+        SortingTreeComponent,
+        ChoiceDialogComponent
     ],
     providers: [
         { provide: DateAdapter, useClass: OpenSlidesDateAdapter },

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

@@ -71,16 +71,12 @@
     <div *ngIf="!isMultiSelect">
         <button mat-menu-item *osPerms="'agenda.can_manage'" (click)="toggleMultiSelect()">
             <mat-icon>library_add</mat-icon>
-            <span translate>MultiSelect</span>
+            <span translate>Multiselect</span>
         </button>
     </div>
 
     <div *ngIf="isMultiSelect" >
         <div *osPerms="'agenda.can_manage'">
-            <button mat-menu-item (click)="deleteSelected()">
-                <mat-icon>delete</mat-icon>
-                <span translate>Delete selected</span>
-            </button>
             <mat-divider></mat-divider>
             <button mat-menu-item (click)="setClosedSelected(true)">
                 <mat-icon>done</mat-icon>
@@ -100,6 +96,11 @@
                 <mat-icon>visibility_off</mat-icon>
                 <span translate>Set invisible</span>
             </button>
+            <mat-divider></mat-divider>
+            <button mat-menu-item class="red-warning-text" (click)="deleteSelected()">
+                <mat-icon>delete</mat-icon>
+                <span translate>Delete selected</span>
+            </button>
         </div>
     </div>
 </mat-menu>

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

@@ -100,6 +100,7 @@ export class AgendaListComponent extends ListViewBaseComponent<ViewItem> impleme
     /**
      * Sets multiple entries' open/closed state. Needs items in selectedRows, which
      * is only filled with any data in multiSelect mode
+     *
      * @param closed true if the item is to be considered done
      */
     public async setClosedSelected(closed: boolean): Promise<void> {
@@ -111,6 +112,7 @@ export class AgendaListComponent extends ListViewBaseComponent<ViewItem> impleme
     /**
      * Sets multiple entries' visibility. Needs items in selectedRows, which
      * is only filled with any data in multiSelect mode.
+     *
      * @param visible true if the item is to be shown
      */
     public async setVisibilitySelected(visible: boolean): Promise<void> {

client/src/app/site/assignments/assignment-list/assignment-list.component.html

@@ -69,7 +69,7 @@
     <div *ngIf="!isMultiSelect">
         <button mat-menu-item *osPerms="'assignment.can_manage'" (click)="toggleMultiSelect()">
             <mat-icon>library_add</mat-icon>
-            <span translate>MultiSelect</span>
+            <span translate>Multiselect</span>
         </button>
         <button mat-menu-item (click)="downloadAssignmentButton()">
             <mat-icon>archive</mat-icon>
@@ -78,7 +78,12 @@
     </div>
 
     <div *ngIf="isMultiSelect">
-        <button mat-menu-item *osPerms="'assignment.can_manage'" (click)="deleteSelected()">
+        <button mat-menu-item (click)="toggleMultiSelect()">
+            <mat-icon>library_add</mat-icon>
+            <span translate>Exit multiselect</span>
+        </button>
+        <mat-divider></mat-divider>
+        <button mat-menu-item class="red-warning-text" *osPerms="'assignment.can_manage'" (click)="deleteSelected()">
             <mat-icon>delete</mat-icon>
             <span translate>Delete assignments</span>
         </button>

client/src/app/site/mediafiles/components/mediafile-list/mediafile-list.component.html

@@ -44,14 +44,6 @@
             <mat-icon>more_vert</mat-icon>
         </button>
     </div>
-
-    <!-- Multiselect menu -->
-    <div class="multiselect-menu-slot">
-        <button type="button" mat-icon-button [matMenuTriggerFor]="mediafilesMultiSelectMenu">
-            <mat-icon>more_vert</mat-icon>
-        </button>
-    </div>
-
     <!-- Multiselect info -->
     <div *ngIf="this.isMultiSelect" class="central-info-slot">
         <button mat-icon-button (click)="toggleMultiSelect()">
@@ -167,14 +159,21 @@
 
 <!-- Menu for Mediafiles -->
 <mat-menu #mediafilesMenu="matMenu">
+    <div *ngIf="!isMultiSelect">
         <button mat-menu-item *osPerms="'mediafiles.can_manage'" (click)="toggleMultiSelect()">
                 <mat-icon>library_add</mat-icon>
-            <span translate>MultiSelect</span>
+                <span translate>Multiselect</span>
         </button>
-</mat-menu>
+    </div>
-<mat-menu #mediafilesMultiSelectMenu="matMenu">
+    <div *ngIf="isMultiSelect">
+        <button mat-menu-item (click)="toggleMultiSelect()">
+            <mat-icon>library_add</mat-icon>
+            <span translate>Exit multiselect</span>
+        </button>
+        <mat-divider></mat-divider>
         <button mat-menu-item *osPerms="'mediafiles.can_manage'" (click)="deleteSelected()">
             <mat-icon>delete</mat-icon>
             <span translate>Delete selected</span>
         </button>
+    </div>
 </mat-menu>

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

@@ -18,13 +18,6 @@
         </button>
         <span>{{ selectedRows.length }}&nbsp;</span><span translate>selected</span>
     </div>
-
-    <div class="extra-controls-slot on-transition-fade" *ngIf="isMultiSelect">
-        <button mat-icon-button (click)="deleteSelected()">
-            <mat-icon>delete</mat-icon>
-        </button>
-    </div>
-
 </os-head-bar>
 
 <div class="custom-table-header on-transition-fade">
@@ -86,7 +79,7 @@
     <!-- state column -->
     <ng-container matColumnDef="state">
         <mat-header-cell *matHeaderCellDef mat-sort-header>State</mat-header-cell>
-        <mat-cell *matCellDef="let motion" (click)="selectMotion(motion)">
+        <mat-cell *matCellDef="let motion">
             <div *ngIf='motion.category' class='small'>
                 <mat-icon>device_hub</mat-icon>{{ motion.category }}
             </div>
@@ -119,7 +112,7 @@
     <div *ngIf="!isMultiSelect">
         <button mat-menu-item *osPerms="'motions.can_manage'" (click)="toggleMultiSelect()">
             <mat-icon>library_add</mat-icon>
-            <span translate>MultiSelect</span>
+            <span translate>Multiselect</span>
         </button>
         <button mat-menu-item routerLink="category">
             <mat-icon>device_hub</mat-icon>
@@ -139,25 +132,62 @@
         </button>
     </div>
     <div *ngIf="isMultiSelect">
-        <div *osPerms="'motions.can_manage'">
+        <button mat-menu-item (click)="toggleMultiSelect()">
-            <button mat-menu-item  (click)="deleteSelected()">
+            <mat-icon>library_add</mat-icon>
-                <mat-icon>delete</mat-icon>
+            <span translate>Exit multiselect</span>
-                <span translate>Delete selected</span>
         </button>
-            <button mat-menu-item (click)="openSetStatusMenu()">
+        <div *osPerms="'motions.can_manage'">
-                <mat-icon>sentiment_satisfied</mat-icon>
+                <mat-divider></mat-divider>
-                <!-- TODO: icon -->
+            <button mat-menu-item>
+                <!-- TODO: Not implemented yet -->
+                <mat-icon>sort</mat-icon>
+                <span translate>Move to agenda item</span>
+            </button>
+            <button mat-menu-item (click)="multiselectService.setStatus(selectedRows); toggleMultiSelect()">
+                <mat-icon>label</mat-icon>
                 <span translate>Set status</span>
             </button>
-            <button mat-menu-item (click)="openSetCategoryMenu()">
+            <button mat-menu-item (click)="multiselectService.setRecommendation(selectedRows); toggleMultiSelect()">
-                <mat-icon>sentiment_satisfied</mat-icon>
+                <mat-icon>report</mat-icon>
+                 <!-- TODO: better icon -->
+                <span translate>Set recommendation</span>
+            </button>
+            <button mat-menu-item (click)="multiselectService.setCategory(selectedRows); toggleMultiSelect()">
+                <mat-icon>device_hub</mat-icon>
                 <!-- TODO: icon -->
                 <span translate>Set categories</span>
             </button>
+            <mat-divider></mat-divider>
+            <button mat-menu-item (click)="multiselectService.addSubmitters(selectedRows); toggleMultiSelect()">
+                <mat-icon>person_add</mat-icon>
+                 <!-- TODO: icon -->
+                <span translate>Add submitters</span>
+            </button>
+            <button mat-menu-item (click)="multiselectService.removeSubmitters(selectedRows); toggleMultiSelect()">
+                <mat-icon>person_outline</mat-icon>
+                 <!-- TODO: icon -->
+                <span translate>remove submitters</span>
+            </button>
+            <button mat-menu-item (click)="multiselectService.addTags(selectedRows); toggleMultiSelect()">
+                <mat-icon>bookmarks</mat-icon>
+                 <!-- TODO: icon -->
+                <span translate>Add tags</span>
+            </button>
+            <button mat-menu-item (click)="multiselectService.removeTags(selectedRows); toggleMultiSelect()">
+                <mat-icon>bookmark_border</mat-icon>
+                 <!-- TODO: icon -->
+                <span translate>Remove tags</span>
+            </button>
         </div>
-        <button mat-menu-item (click)="csvExportMotionList()">
+        <mat-divider></mat-divider>
+        <button mat-menu-item (click)="csvExportMotionList(); toggleMultiSelect()">
             <mat-icon>archive</mat-icon>
             <span translate>Export as CSV</span>
         </button>
+        <mat-divider></mat-divider>
+        <button mat-menu-item class="red-warning-text" (click)="multiselectService.delete(selectedRows); toggleMultiSelect()">
+            <mat-icon>delete</mat-icon>
+            <span translate>Delete selected</span>
+        </button>
     </div>
 </mat-menu>

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

@@ -3,15 +3,14 @@ import { Router, ActivatedRoute } from '@angular/router';
 import { Title } from '@angular/platform-browser';
 import { TranslateService } from '@ngx-translate/core';
 
+import { ConfigService } from '../../../../core/services/config.service';
+import { MotionCsvExportService } from '../../services/motion-csv-export.service';
+import { ListViewBaseComponent } from '../../../base/list-view-base';
+import { MatSnackBar } from '@angular/material';
 import { MotionRepositoryService } from '../../services/motion-repository.service';
 import { ViewMotion } from '../../models/view-motion';
 import { WorkflowState } from '../../../../shared/models/motions/workflow-state';
-import { ListViewBaseComponent } from '../../../base/list-view-base';
+import { MotionMultiselectService } from '../../services/motion-multiselect.service';
-import { MatSnackBar } from '@angular/material';
-import { ConfigService } from '../../../../core/services/config.service';
-import { Category } from '../../../../shared/models/motions/category';
-import { PromptService } from '../../../../core/services/prompt.service';
-import { MotionCsvExportService } from '../../services/motion-csv-export.service';
 
 /**
  * Component that displays all the motions in a Table using DataSource.
@@ -51,8 +50,13 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion> imple
      * @param route Current route
      * @param configService The configuration provider
      * @param repo Motion Repository
-     * @param csvExport CSV Export Service
      * @param promptService
+     * @param motionCsvExport
+     * @param workflowRepo Workflow Repository
+     * @param categoryRepo
+     * @param userRepo
+     * @param tagRepo
+     * @param choiceService
      */
     public constructor(
         titleService: Title,
@@ -62,8 +66,8 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion> imple
         private route: ActivatedRoute,
         private configService: ConfigService,
         private repo: MotionRepositoryService,
-        private promptService: PromptService,
+        private motionCsvExport: MotionCsvExportService,
-        private motionCsvExport: MotionCsvExportService
+        public multiselectService: MotionMultiselectService
     ) {
         super(titleService, translate, matSnackBar);
 
@@ -90,11 +94,7 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion> imple
                 }
             });
         });
-        this.configService.get('motions_statutes_enabled').subscribe(
+        this.configService.get('motions_statutes_enabled').subscribe(enabled => (this.statutesEnabled = enabled));
-            (enabled: boolean): void => {
-                this.statutesEnabled = enabled;
-            }
-        );
     }
 
     /**
@@ -164,56 +164,8 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion> imple
     }
 
     /**
-     * Deletes the items selected.
+     * Returns current definitions for the listView table
-     * SelectedRows is only filled with data in multiSelect mode
      */
-    public async deleteSelected(): Promise<void> {
-        const content = this.translate.instant('This will delete all selected motions.');
-        if (await this.promptService.open('Are you sure?', content)) {
-            for (const motion of this.selectedRows) {
-                await this.repo.delete(motion);
-            }
-        }
-    }
-
-    /**
-     * Set the status in bulk.
-     * SelectedRows is only filled with data in multiSelect mode
-     * TODO: currently not yet functional, because no status (or state_id) is being selected
-     * in the ui
-     * @param status TODO: May still change type
-     */
-    public async setStatusSelected(status: Partial<WorkflowState>): Promise<void> {
-        // TODO: check if id is there
-        for (const motion of this.selectedRows) {
-            await this.repo.update({ state_id: status.id }, motion);
-        }
-    }
-
-    /**
-     * Set the category for all selected items.
-     * SelectedRows is only filled with data in multiSelect mode
-     * TODO: currently not yet functional, because no category is being selected in the ui
-     * @param category TODO: May still change type
-     */
-    public async setCategorySelected(category: Partial<Category>): Promise<void> {
-        for (const motion of this.selectedRows) {
-            await this.repo.update({ state_id: category.id }, motion);
-        }
-    }
-
-    /**
-     * TODO: Open an extra submenu. Design still undecided. Will be used for deciding
-     * the status of setStatusSelected
-     */
-    public openSetStatusMenu(): void {}
-
-    /**
-     * TODO: Open an extra submenu. Design still undecided. Will be used for deciding
-     * the status of setCategorySelected
-     */
-    public openSetCategoryMenu(): void {}
-
     public getColumnDefinition(): string[] {
         if (this.isMultiSelect) {
             return ['selector'].concat(this.columnsToDisplayMinWidth);

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

@@ -153,6 +153,12 @@ export class ViewMotion extends BaseViewModel {
         return this.motion && this.motion.state_id ? this.motion.state_id : null;
     }
 
+    public get possibleStates(): WorkflowState[] {
+        return this.workflow
+            ? this.workflow.states
+            : null;
+    }
+
     public get recommendation_id(): number {
         return this.motion && this.motion.recommendation_id ? this.motion.recommendation_id : null;
     }
@@ -213,6 +219,10 @@ export class ViewMotion extends BaseViewModel {
         return this.motion && this.motion.amendment_paragraphs ? this.motion.amendment_paragraphs : [];
     }
 
+    public get tags_id(): number[] {
+        return this._motion ? this._motion.tags_id : null;
+    }
+
     public constructor(
         motion?: Motion,
         category?: Category,

client/src/app/site/motions/models/view-workflow.ts

@@ -0,0 +1,63 @@
+import { Workflow } from '../../../shared/models/motions/workflow';
+import { WorkflowState } from '../../../shared/models/motions/workflow-state';
+import { BaseViewModel } from '../../base/base-view-model';
+
+/**
+ * class for the ViewWorkflow. Currently only a basic stub
+ *
+ * Stores a Category including all (implicit) references
+ * Provides "safe" access to variables and functions in {@link Category}
+ * @ignore
+ */
+export class ViewWorkflow extends BaseViewModel {
+    private _workflow: Workflow;
+
+    public constructor(workflow?: Workflow, id?: number, name?: string) {
+        super();
+        if (!workflow) {
+            workflow = new Workflow();
+            workflow.id = id;
+            workflow.name = name;
+        }
+        this._workflow = workflow;
+    }
+
+    public get workflow(): Workflow {
+        return this._workflow;
+    }
+
+    public get id(): number {
+        return this.workflow ? this.workflow.id : null;
+    }
+
+    public get name(): string {
+        return this.workflow ? this.workflow.name : null;
+    }
+
+    public get states() : WorkflowState[] {
+        return this.workflow ? this.workflow.states : null;
+    }
+
+    public get first_state(): number {
+        return this.workflow ? this.workflow.first_state : null;
+    }
+
+    public getTitle(): string {
+        return this.name;
+    }
+
+    /**
+     * Duplicate this motion into a copy of itself
+     */
+    public copy(): ViewWorkflow {
+        return new ViewWorkflow(this._workflow);
+    }
+
+    /**
+     * Updates the local objects if required
+     * @param update
+     */
+    public updateValues(update: Workflow): void {
+        this._workflow = update;
+    }
+}

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

@@ -1,4 +1,5 @@
 import { Injectable } from '@angular/core';
+
 import { Category } from '../../../shared/models/motions/category';
 import { ViewCategory } from '../models/view-category';
 import { DataSendService } from '../../../core/services/data-send.service';

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

@@ -0,0 +1,20 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { E2EImportsModule } from 'e2e-imports.module';
+import { MotionMultiselectService } from './motion-multiselect.service';
+
+describe('MotionMultiselectService', () => {
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule],
+            providers: [MotionMultiselectService]
+        });
+    });
+
+    it('should be created', inject(
+        [MotionMultiselectService],
+        (service: MotionMultiselectService) => {
+            expect(service).toBeTruthy();
+        }
+    ));
+});

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

@@ -0,0 +1,173 @@
+import { Injectable } from '@angular/core';
+
+import { TranslateService } from '@ngx-translate/core';
+
+import { ViewMotion } from '../models/view-motion';
+import { ChoiceService } from 'app/core/services/choice.service';
+import { PromptService } from 'app/core/services/prompt.service';
+import { MotionRepositoryService } from './motion-repository.service';
+import { UserRepositoryService } from 'app/site/users/services/user-repository.service';
+import { WorkflowRepositoryService } from './workflow-repository.service';
+import { CategoryRepositoryService } from './category-repository.service';
+import { TagRepositoryService } from 'app/site/tags/services/tag-repository.service';
+
+/**
+ * Contains all multiselect actions for the motion list view.
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class MotionMultiselectService {
+    /**
+     * Does nothing.
+     *
+     * @param repo MotionRepositoryService
+     * @param translate TranslateService
+     * @param promptService
+     * @param choiceService
+     * @param userRepo
+     * @param workflowRepo
+     * @param categoryRepo
+     * @param tagRepo
+     */
+    public constructor(
+        private repo: MotionRepositoryService,
+        private translate: TranslateService,
+        private promptService: PromptService,
+        private choiceService: ChoiceService,
+        private userRepo: UserRepositoryService,
+        private workflowRepo: WorkflowRepositoryService,
+        private categoryRepo: CategoryRepositoryService,
+        private tagRepo: TagRepositoryService
+    ) {}
+
+    /**
+     * Deletes the given motions. Asks for confirmation.
+     *
+     * @param motions The motions to delete
+     */
+    public async delete(motions: ViewMotion[]): Promise<void> {
+        const content = this.translate.instant('This will delete all selected motions.');
+        if (await this.promptService.open('Are you sure?', content)) {
+            for (const motion of motions) {
+                await this.repo.delete(motion);
+            }
+        }
+    }
+
+    /**
+     * Opens a dialog and then sets the status for all motions.
+     *
+     * @param motions The motions to change
+     */
+    public async setStatus(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will set the state of all selected motions to:');
+        const choices = this.workflowRepo.getAllWorkflowStates().map(workflowState => ({
+            id: workflowState.id,
+            label: workflowState.name
+        }));
+        const selectedChoice = await this.choiceService.open(title, choices);
+        if (selectedChoice) {
+            for (const motion of motions) {
+                await this.repo.setState(motion, selectedChoice as number);
+            }
+        }
+    }
+
+    /**
+     * Opens a dialog and sets the recommendation to the users choice for all selected motions.
+     *
+     * @param motions The motions to change
+     */
+    public async setRecommendation(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will set the recommendation for all selected motions to:');
+        const choices = this.workflowRepo
+            .getAllWorkflowStates()
+            .filter(workflowState => !!workflowState.recommendation_label)
+            .map(workflowState => ({
+                id: workflowState.id,
+                label: workflowState.recommendation_label
+            }));
+        const selectedChoice = await this.choiceService.open(title, choices);
+        if (selectedChoice) {
+            for (const motion of motions) {
+                await this.repo.setRecommendation(motion, selectedChoice as number);
+            }
+        }
+    }
+
+    /**
+     * Opens a dialog and sets the category for all given motions.
+     *
+     * @param motions The motions to change
+     */
+    public async setCategory(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will set the category of all selected motions to:');
+        const selectedChoice = await this.choiceService.open(title, this.categoryRepo.getViewModelList());
+        if (selectedChoice) {
+            for (const motion of motions) {
+                await this.repo.update({ category_id: selectedChoice as number }, motion);
+            }
+        }
+    }
+
+    /**
+     * Opens a dialog and adds the selected submitters for all given motions.
+     *
+     * @param motions The motions to add the sumbitters to
+     */
+    public async addSubmitters(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will add the following submitters of all selected motions:');
+        const selectedChoice = await this.choiceService.open(title, this.userRepo.getViewModelList(), true);
+        if (selectedChoice) {
+            throw new Error("Not implemented on the server");
+        }
+    }
+
+    /**
+     * Opens a dialog and removes the selected submitters for all given motions.
+     *
+     * @param motions The motions to remove the submitters from
+     */
+    public async removeSubmitters(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will remove the following submitters from all selected motions:');
+        const selectedChoice = await this.choiceService.open(title, this.userRepo.getViewModelList(), true);
+        if (selectedChoice) {
+            throw new Error("Not implemented on the server");
+        }
+    }
+
+    /**
+     * Opens a dialog and adds the selected tags for all given motions.
+     *
+     * @param motions The motions to add the tags to
+     */
+    public async addTags(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will add the following tags to all selected motions:');
+        const selectedChoice = await this.choiceService.open(title, this.tagRepo.getViewModelList(), true);
+        if (selectedChoice) {
+            for (const motion of motions) {
+                let tagIds = [...motion.tags_id, ...(selectedChoice as number[])];
+                tagIds = tagIds.filter((id, index, self) => self.indexOf(id) === index);
+                await this.repo.update({ tags_id: tagIds }, motion);
+            }
+        }
+    }
+
+    /**
+     * Opens a dialog and removes the selected tags for all given motions.
+     *
+     * @param motions The motions to remove the tags from
+     */
+    public async removeTags(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will remove the following tags from all selected motions:');
+        const selectedChoice = await this.choiceService.open(title, this.tagRepo.getViewModelList(), true);
+        if (selectedChoice) {
+            for (const motion of motions) {
+                const tagIdsToRemove = selectedChoice as number[];
+                const tagIds = motion.tags_id.filter(id => !tagIdsToRemove.includes(id));
+                await this.repo.update({ tags_id: tagIds }, motion);
+            }
+        }
+    }
+}

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

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

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

@@ -0,0 +1,80 @@
+import { Injectable } from '@angular/core';
+import { Workflow } from '../../../shared/models/motions/workflow';
+import { ViewWorkflow } from '../models/view-workflow';
+import { DataSendService } from '../../../core/services/data-send.service';
+import { DataStoreService } from '../../../core/services/data-store.service';
+import { BaseRepository } from '../../base/base-repository';
+import { Identifiable } from '../../../shared/models/base/identifiable';
+import { CollectionStringModelMapperService } from '../../../core/services/collectionStringModelMapper.service';
+import { WorkflowState } from 'app/shared/models/motions/workflow-state';
+
+/**
+ * Repository Services for Categories
+ *
+ * The repository is meant to process domain objects (those found under
+ * shared/models), so components can display them and interact with them.
+ *
+ * Rather than manipulating models directly, the repository is meant to
+ * inform the {@link DataSendService} about changes which will send
+ * them to the Server.
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class WorkflowRepositoryService extends BaseRepository<ViewWorkflow, Workflow> {
+    /**
+     * Creates a WorkflowRepository
+     * Converts existing and incoming workflow to ViewWorkflows
+     * @param DS
+     * @param dataSend
+     */
+    public constructor(
+        protected DS: DataStoreService,
+        mapperService: CollectionStringModelMapperService,
+        private dataSend: DataSendService
+    ) {
+        super(DS, mapperService, Workflow);
+    }
+
+    protected createViewModel(workflow: Workflow): ViewWorkflow {
+        return new ViewWorkflow(workflow);
+    }
+
+    public async create(newWorkflow: Workflow): Promise<Identifiable> {
+        return await this.dataSend.createModel(newWorkflow);
+    }
+
+    public async update(workflow: Partial<Workflow>, viewWorkflow: ViewWorkflow): Promise<void> {
+        let updateWorkflow: Workflow;
+        if (viewWorkflow) {
+            updateWorkflow = viewWorkflow.workflow;
+        } else {
+            updateWorkflow = new Workflow();
+        }
+        updateWorkflow.patchValues(workflow);
+        await this.dataSend.updateModel(updateWorkflow);
+    }
+
+    public async delete(viewWorkflow: ViewWorkflow): Promise<void> {
+        const workflow = viewWorkflow.workflow;
+        await this.dataSend.deleteModel(workflow);
+    }
+
+    /**
+     * Returns the workflow for the ID
+     * @param workflow_id workflow ID
+     */
+    public getWorkflowByID(workflow_id: number): Workflow {
+        const wfList = this.DS.getAll(Workflow);
+        return wfList.find(workflow => workflow.id === workflow_id);
+    }
+
+    public getAllWorkflowStates(): WorkflowState[]{
+        let states: WorkflowState[] = [];
+        this.DS.getAll(Workflow).forEach(workflow => {
+            states = states.concat(workflow.states);
+        })
+        return states;
+    }
+
+}

client/src/app/site/tags/services/tag-repository.service.ts

@@ -1,4 +1,5 @@
 import { Injectable } from '@angular/core';
+
 import { Tag } from '../../../shared/models/core/tag';
 import { ViewTag } from '../models/view-tag';
 import { DataSendService } from '../../../core/services/data-send.service';

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

@@ -259,18 +259,10 @@ export class UserDetailComponent extends BaseViewComponent implements OnInit {
 
     /**
      * Handler for the generate Password button.
-     * Generates a password using 8 pseudo-random letters
-     * from the `characters` const.
      */
     public generatePassword(): void {
-        let pw = '';
-        const characters = 'abcdefghijkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
-        const amount = 8;
-        for (let i = 0; i < amount; i++) {
-            pw += characters.charAt(Math.floor(Math.random() * characters.length));
-        }
         this.personalInfoForm.patchValue({
-            default_password: pw
+            default_password: this.repo.getRandomPassword()
         });
     }
 

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

@@ -91,7 +91,7 @@
     <div *ngIf="!isMultiSelect">
         <button mat-menu-item *osPerms="'users.can_manage'" (click)="toggleMultiSelect()">
             <mat-icon>library_add</mat-icon>
-            <span translate>MultiSelect</span>
+            <span translate>Multiselect</span>
         </button>
 
         <button mat-menu-item *osPerms="'users.can_manage'" routerLink="groups">
@@ -110,11 +110,19 @@
         </button>
     </div>
     <div *ngIf="isMultiSelect">
+        <button mat-menu-item (click)="toggleMultiSelect()">
+            <mat-icon>library_add</mat-icon>
+            <span translate>Exit multiselect</span>
+        </button>
         <div *osPerms="'users.can_manage'">
-            <button mat-menu-item (click)="setGroupSelected(null)">
+                <mat-divider></mat-divider>
-                <mat-icon>archive</mat-icon>
+            <button mat-menu-item (click)="setGroupSelected(true)">
-                <span translate>Set groups</span>
+                <mat-icon>people</mat-icon>
-                <!-- TODO bottomsheet/menu? -->
+                <span translate>Add groups</span>
+            </button>
+            <button mat-menu-item (click)="setGroupSelected(false)">
+                <mat-icon>people_outline</mat-icon>
+                <span translate>Remove groups</span>
             </button>
 
             <mat-divider></mat-divider>
@@ -123,44 +131,41 @@
                 <mat-icon>add_circle</mat-icon>
                 <span translate>Set active</span>
             </button>
-
             <button mat-menu-item (click)="setActiveSelected(false)">
                 <mat-icon>remove_circle</mat-icon>
                 <span translate>Set inactive</span>
             </button>
-
             <mat-divider></mat-divider>
-
             <button mat-menu-item (click)="setPresentSelected(true)">
-                <mat-icon>add_circle</mat-icon>
+                <mat-icon>check_box</mat-icon>
                 <span translate>Set as present</span>
             </button>
-
             <button mat-menu-item (click)="setPresentSelected(false)">
-                <mat-icon>remove_circle</mat-icon>
+                <mat-icon>check_box_outline_blank</mat-icon>
                 <span translate>Set as not present</span>
             </button>
-
             <mat-divider></mat-divider>
-
             <button mat-menu-item (click)="setCommitteeSelected(true)">
-                <mat-icon>add_circle</mat-icon>
+                <mat-icon>account_balance</mat-icon>
                 <span translate>Set as committee</span>
             </button>
-
             <button mat-menu-item (click)="setCommitteeSelected(false)">
-                <mat-icon>remove_circle</mat-icon>
+                <mat-icon>account_balance</mat-icon>
                 <span translate>Unset committee</span>
             </button>
 
             <mat-divider></mat-divider>
 
-            <button mat-menu-item (click)="sendInvitationSelected()">
+            <button mat-menu-item (click)="sendInvitationEmailSelected()">
                 <mat-icon>mail</mat-icon>
-                <span translate>Send invitations</span>
+                <span translate>Send invitation emails</span>
             </button>
-
+            <button mat-menu-item (click)="resetPasswordsSelected()">
-            <button mat-menu-item (click)="deleteSelected()">
+                <mat-icon>vpn_key</mat-icon>
+                <span translate>Generate new passwords</span>
+            </button>
+            <mat-divider></mat-divider>
+            <button mat-menu-item class="red-warning-text" (click)="deleteSelected()">
                 <mat-icon>delete</mat-icon>
                 <span translate>Delete selected</span>
             </button>

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

@@ -1,15 +1,16 @@
 import { Component, OnInit } from '@angular/core';
+import { MatSnackBar } from '@angular/material';
+import { Router, ActivatedRoute } from '@angular/router';
 import { Title } from '@angular/platform-browser';
 import { TranslateService } from '@ngx-translate/core';
-import { CsvExportService } from '../../../../core/services/csv-export.service';
 
-import { ViewUser } from '../../models/view-user';
+import { CsvExportService } from '../../../../core/services/csv-export.service';
-import { UserRepositoryService } from '../../services/user-repository.service';
 import { ListViewBaseComponent } from '../../../base/list-view-base';
-import { Router, ActivatedRoute } from '@angular/router';
+import { GroupRepositoryService } from '../../services/group-repository.service';
-import { MatSnackBar } from '@angular/material';
-import { Group } from '../../../../shared/models/users/group';
 import { PromptService } from '../../../../core/services/prompt.service';
+import { UserRepositoryService } from '../../services/user-repository.service';
+import { ViewUser } from '../../models/view-user';
+import { ChoiceService } from '../../../../core/services/choice.service';
 
 /**
  * Component for the user list view.
@@ -28,6 +29,7 @@ export class UserListComponent extends ListViewBaseComponent<ViewUser> implement
      * @param translate Service for translation handling
      * @param matSnackBar Helper to diplay errors
      * @param repo the user repository
+     * @param groupRepo: The user group repository
      * @param router the router service
      * @param route the local route
      * @param csvExport CSV export Service,
@@ -38,10 +40,12 @@ export class UserListComponent extends ListViewBaseComponent<ViewUser> implement
         translate: TranslateService,
         matSnackBar: MatSnackBar,
         private repo: UserRepositoryService,
+        private groupRepo: GroupRepositoryService,
+        private choiceService: ChoiceService,
         private router: Router,
         private route: ActivatedRoute,
         protected csvExport: CsvExportService,
-        private promptService: PromptService
+        private promptService: PromptService,
     ) {
         super(titleService, translate, matSnackBar);
 
@@ -124,31 +128,31 @@ export class UserListComponent extends ListViewBaseComponent<ViewUser> implement
     }
 
     /**
-     * TODO: Not yet as expected
+     * Opens a dialog and sets the group(s) for all selected users.
-     * Bulk sets the group for users. TODO: Group is still not decided in the ui
+     * SelectedRows is only filled with data in multiSelect mode
-     * @param group TODO: type may still change
-     * @param unset toggle for adding or removing from the group
      */
-    public async setGroupSelected(group: Partial<Group>, unset?: boolean): Promise<void> {
+    public async setGroupSelected(add: boolean): Promise<void> {
-        this.selectedRows.forEach(vm => {
+        let content: string;
-            const groups = vm.groupIds;
+        if (add){
-            const idx = groups.indexOf(group.id);
+            content = this.translate.instant('This will add the following groups to all selected users:');
-            if (unset && idx >= 0) {
+        } else {
-                groups.slice(idx, 1);
+            content = this.translate.instant('This will remove the following groups from all selected users:');
-            } else if (!unset && idx < 0) {
+        }
-                groups.push(group.id);
+        const selectedChoice = await this.choiceService.open(content, this.groupRepo.getViewModelList(), true);
+        if (selectedChoice) {
+            for (const user of this.selectedRows) {
+                const newGroups = [...user.groups_id];
+                (selectedChoice as number[]).forEach(newChoice => {
+                    const idx = newGroups.indexOf(newChoice);
+                    if (idx < 0 && add) {
+                        newGroups.push(newChoice);
+                    } else if (idx >= 0 && !add) {
+                        newGroups.slice(idx, 1);
                     }
                 });
+                await this.repo.update({ groups_id: newGroups }, user);
+            }
         }
-
-    /**
-     * Handler for bulk resetting passwords. Needs multiSelect mode.
-     * TODO: Not yet implemented (no service yet)
-     */
-    public async resetPasswordsSelected(): Promise<void> {
-        // for (const user of this.selectedRows) {
-        //     await this.resetPassword(user);
-        // }
     }
 
     /**
@@ -183,12 +187,20 @@ export class UserListComponent extends ListViewBaseComponent<ViewUser> implement
 
     /**
      * Handler for bulk sending e-mail invitations. Uses selectedRows defined via
-     * multiSelect mode. TODO: Not yet implemented (no service)
+     * multiSelect mode.
      */
-    public async sendInvitationSelected(): Promise<void> {
+    public sendInvitationEmailSelected(): void {
-        // this.selectedRows.forEach(vm => {
+        this.repo.sendInvitationEmail(this.selectedRows).then(this.raiseError, this.raiseError);
-        // TODO if !vm.emailSent {vm.sendInvitation}
+    }
-        // });
+
+    /**
+     * Handler for bulk resetting passwords. Needs multiSelect mode.
+     */
+    public async resetPasswordsSelected(): Promise<void> {
+        for (const user of this.selectedRows) {
+            const password = this.repo.getRandomPassword();
+            this.repo.resetPassword(user, password);
+        }
     }
 
     public getColumnDefinition(): string[] {

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

@@ -39,6 +39,10 @@ export class ViewUser extends BaseViewModel {
         return this.user ? this.user.full_name : null;
     }
 
+    public get short_name(): string {
+        return this.user ? this.user.short_name : null;
+    }
+
     public get email(): string {
         return this.user ? this.user.email : null;
     }

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

@@ -1,13 +1,13 @@
 import { Injectable } from '@angular/core';
 
-import { ViewGroup } from '../models/view-group';
 import { BaseRepository } from '../../base/base-repository';
-import { Group } from '../../../shared/models/users/group';
-import { DataStoreService } from '../../../core/services/data-store.service';
-import { DataSendService } from '../../../core/services/data-send.service';
-import { ConstantsService } from '../../../core/services/constants.service';
-import { Identifiable } from '../../../shared/models/base/identifiable';
 import { CollectionStringModelMapperService } from '../../../core/services/collectionStringModelMapper.service';
+import { ConstantsService } from '../../../core/services/constants.service';
+import { DataSendService } from '../../../core/services/data-send.service';
+import { DataStoreService } from '../../../core/services/data-store.service';
+import { Group } from '../../../shared/models/users/group';
+import { Identifiable } from '../../../shared/models/base/identifiable';
+import { ViewGroup } from '../models/view-group';
 
 /**
  * Set rules to define the shape of an app permission

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

@@ -1,5 +1,4 @@
 import { Injectable } from '@angular/core';
-
 import { BaseRepository } from '../../base/base-repository';
 import { ViewUser } from '../models/view-user';
 import { User } from '../../../shared/models/users/user';
@@ -8,6 +7,9 @@ import { DataStoreService } from '../../../core/services/data-store.service';
 import { DataSendService } from '../../../core/services/data-send.service';
 import { Identifiable } from '../../../shared/models/base/identifiable';
 import { CollectionStringModelMapperService } from '../../../core/services/collectionStringModelMapper.service';
+import { ConfigService } from 'app/core/services/config.service';
+import { HttpService } from 'app/core/services/http.service';
+import { TranslateService } from '@ngx-translate/core';
 
 /**
  * Repository service for users
@@ -24,7 +26,10 @@ export class UserRepositoryService extends BaseRepository<ViewUser, User> {
     public constructor(
         DS: DataStoreService,
         mapperService: CollectionStringModelMapperService,
-        private dataSend: DataSendService
+        private dataSend: DataSendService,
+        private translate: TranslateService,
+        private httpService: HttpService,
+        private configService: ConfigService
     ) {
         super(DS, mapperService, User, [Group]);
     }
@@ -84,4 +89,70 @@ export class UserRepositoryService extends BaseRepository<ViewUser, User> {
         const groups = this.DS.getMany(Group, user.groups_id);
         return new ViewUser(user, groups);
     }
+
+    /**
+     * Generates a random password
+     *
+     * @param length THe length of the password to generate
+     * @returns a random password
+     */
+    public getRandomPassword(length: number = 8): string {
+        let pw = '';
+        const characters = 'abcdefghijkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
+        for (let i = 0; i < length; i++) {
+            pw += characters.charAt(Math.floor(Math.random() * characters.length));
+        }
+        return pw;
+    }
+
+    public async resetPassword(user: ViewUser, password: string): Promise<void> {
+        await this.update({ default_password: password }, user);
+        const path = `/rest/users/user/${user.id}/reset_password/`;
+        await this.httpService.post(path, { password: password });
+    }
+
+    public async sendInvitationEmail(users: ViewUser[]): Promise<string> {
+        const user_ids = users.map(user => user.id);
+        const subject = this.translate.instant(this.configService.instant('users_email_subject'));
+        const message = this.translate.instant(this.configService.instant('users_email_body'));
+
+        const response = await this.httpService.post<{count: Number; no_email_ids: number[]}>('/rest/users/user/mass_invite_email/', {
+                user_ids: user_ids,
+                subject: subject,
+                message: message,
+        });
+        const numEmails = response.count;
+        const noEmailIds = response.no_email_ids;
+        let msg;
+        if (numEmails === 0) {
+            msg = this.translate.instant('No emails were send.');
+        } else if (numEmails === 1) {
+            msg = this.translate.instant('One email was send sucessfully.');
+        } else {
+            msg = this.translate.instant('%num% emails were send sucessfully.').replace('%num%', numEmails);
+        }
+
+        if (noEmailIds.length) {
+            msg += ' ';
+
+            if (noEmailIds.length === 1) {
+                msg += this.translate.instant('The user %user% has no email, so the invitation email could not be send.');
+            } else {
+                msg += this.translate.instant('The users %user% have no email, so the invitation emails could not be send.');
+            }
+
+            // This one builds a username string like "user1, user2 and user3" with the full names.
+            const usernames = noEmailIds.map(id => this.getViewModel(id)).filter(user => !!user).map(user => user.short_name);
+            let userString;
+            if (usernames.length > 1) {
+                const lastUsername = usernames.pop();
+                userString = usernames.join(', ') + ' ' + this.translate.instant('and') + ' ' + lastUsername;
+            } else {
+                userString = usernames.join(', ')
+            }
+            msg = msg.replace('%user%', userString);
+        }
+
+        return msg;
+    }
 }