Create agenda topics

Also:
Enhanced DragNDrop Component
List Of Speakers

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

@@ -28,6 +28,14 @@ export class HttpService {
      */
     public constructor(private http: HttpClient, private translate: TranslateService) {}
 
+    /**
+     * Send the a http request the the given URL.
+     * Optionally accepts a request body.
+     *
+     * @param url the target url, usually starting with /rest
+     * @param method the required HTTP method (i.e get, post, put)
+     * @param data optional, if sending a data body is required
+     */
     private async send<T>(url: string, method: HTTPMethod, data?: any): Promise<T> {
         if (!url.endsWith('/')) {
             url += '/';
@@ -76,7 +84,7 @@ export class HttpService {
         } else if (e.status === 500) {
             error += this.translate.instant('A server error occured. Please contact your system administrator.');
         } else if (e.status > 500) {
-            error += this.translate.instant('The server cound not be reached') + ` (${e.status})`
+            error += this.translate.instant('The server cound not be reached') + ` (${e.status})`;
         } else {
             error += e.message;
         }

client/src/app/shared/components/sorting-list/sorting-list.component.html

@@ -1,10 +1,17 @@
 <div cdkDropList class="list" (cdkDropListDropped)="drop($event)">
-    <div class="box line" *ngFor="let item of array" cdkDrag>
+    <div class="box line" *ngFor="let item of array; let i = index" cdkDrag>
         <div class="section-one" cdkDragHandle>
-            <mat-icon>drag_handle</mat-icon>
+            <!-- TODO: drag_indicator after icon update -->
+            <mat-icon>unfold_more</mat-icon>
         </div>
         <div class="section-two">
-            {{item}}
+            <!-- {number}. {item.toString()} -->
+            <span *ngIf="count">{{ i+1 }}.&nbsp;</span>
+            <span>{{ item }}</span>
+        </div>
+        <div class="section-three">
+            <!-- Extra controls slot using implicit template references -->
+            <ng-template [ngTemplateOutlet]="templateRef" [ngTemplateOutletContext]="{ $implicit: item }"></ng-template>
         </div>
     </div>
 </div>

client/src/app/shared/components/sorting-list/sorting-list.component.scss

@@ -2,23 +2,17 @@
     width: 75%;
     max-width: 100%;
     border: solid 1px #ccc;
-    min-height: 60px;
     display: block;
-    background: white;
+    background: white; // TODO theme
     border-radius: 4px;
     overflow: hidden;
 }
 
 .box {
-    padding: 20px 10px;
+    width: 100%;
     border-bottom: solid 1px #ccc;
     color: rgba(0, 0, 0, 0.87);
-    display: flex;
+    background: white; // TODO theme
-    flex-direction: row;
-    align-items: left;
-    justify-content: space-between;
-    box-sizing: border-box;
-    background: white;
     font-size: 14px;
 }
 
@@ -34,7 +28,7 @@
 }
 
 .cdk-drag-animating {
-    transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
+    transition: transform 125ms ease-in-out;
 }
 
 .box:last-child {
@@ -42,23 +36,30 @@
 }
 
 .line {
-    display: grid;
+    display: table;
-    grid-template-rows: auto;
+    min-height: 60px;
-    grid-template-columns: 15% 85%;
-    width: 100%;
-
-    > div {
-        grid-row-start: 1;
-        grid-row-end: span 1;
-        grid-column-end: span 2;
-    }
 
     .section-one {
-        grid-column-start: 1;
+        display: table-cell;
+        padding: 0 10px;
+        line-height: 0px;
+        vertical-align: middle;
+        width: 50px;
+        color: slategrey;
         cursor: move;
     }
 
     .section-two {
-        grid-column-start: 2;
+        display: table-cell;
+        vertical-align: middle;
+        width: 80%;
+    }
+
+    .section-three {
+        display: table-cell;
+        padding-right: 10px;
+        vertical-align: middle;
+        width: auto;
+        white-space: nowrap;
     }
 }

client/src/app/shared/components/sorting-list/sorting-list.component.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit, Input } from '@angular/core';
+import { Component, OnInit, Input, Output, EventEmitter, ContentChild, TemplateRef } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 import { CdkDragDrop, moveItemInArray } from '@angular/cdk/drag-drop';
 import { Selectable } from '../selectable';
@@ -15,7 +15,10 @@ import { EmptySelectable } from '../empty-selectable';
  *
  * ```html
  * <os-sorting-list
- *   [input]="listOfSelectables">
+ *     [input]="listOfSelectables"
+ *     [live]="true"
+ *     [count]="true"
+ *     (sortEvent)="onSortingChange($event)">
  * </os-sorting-list>
  * ```
  *
@@ -27,34 +30,81 @@ import { EmptySelectable } from '../empty-selectable';
 })
 export class SortingListComponent implements OnInit {
     /**
-     * The Input List Values
+     * Sorted and returned
      */
-    @Input()
-    public input: Array<Selectable>;
-
     public array: Array<Selectable>;
 
     /**
-     * Empty constructor
+     * Declare the templateRef to coexist between parent in child
      */
-    public constructor(public translate: TranslateService) {}
+    @ContentChild(TemplateRef)
+    public templateRef: TemplateRef<Selectable>;
 
-    public ngOnInit(): void {
+    /**
-        this.array = [];
+     * Set to true if events are directly fired after sorting.
-        if (this.input) {
+     * usually combined with sortEvent.
-            this.input.forEach(inputElement => {
+     * Prevents the `@input` from resetting the sorting
-                this.array.push(inputElement);
+     *
-            });
+     * @example
-        } else {
+     * ```html
-            this.array.push(new EmptySelectable(this.translate));
+     *  <os-sorting-list ... [live]="true" (sortEvent)="onSortingChange($event)">
+     * ```
+     */
+    @Input()
+    public live = false;
+
+    /** Determine whether to put an index number in front of the list */
+    @Input()
+    public count = false;
+
+    /**
+     * The Input List Values
+     *
+     * If live updates are enabled, new values are always converted into the sorting array.
+     *
+     * If live updates are disabled, new values are processed when the auto update adds
+     * or removes relevant objects
+     */
+    @Input()
+    public set input(newValues: Array<Selectable>) {
+        if (newValues) {
+            if (this.array.length !== newValues.length || this.live) {
+                this.array = [];
+                this.array = newValues.map(val => val);
+            } else if (this.array.length === 0) {
+                this.array.push(new EmptySelectable(this.translate));
+            }
         }
     }
 
+    /**
+     * Inform the parent view about sorting.
+     * Alternative approach to submit a new order of elements
+     */
+    @Output()
+    public sortEvent = new EventEmitter<Array<Selectable>>();
+
+    /**
+     * Constructor for the sorting list.
+     *
+     * Creates an empty array.
+     * @param translate the translation service
+     */
+    public constructor(public translate: TranslateService) {
+        this.array = [];
+    }
+
+    /**
+     * Required by components using the selector as directive
+     */
+    public ngOnInit(): void {}
+
     /**
      * drop event
      * @param event the event
      */
     public drop(event: CdkDragDrop<Selectable[]>): void {
         moveItemInArray(this.array, event.previousIndex, event.currentIndex);
+        this.sortEvent.emit(this.array);
     }
 }

client/src/app/shared/models/agenda/speaker.ts

@@ -1,12 +1,13 @@
-import { Deserializer } from '../base/deserializer';
+import { BaseModel } from '../base/base-model';
 
 /**
- * Representation of a speaker in an agenda item
+ * Representation of a speaker in an agenda item.
  *
+ * Needs to be a baseModel since it has an own view class.
  * Part of the 'speakers' list.
  * @ignore
  */
-export class Speaker extends Deserializer {
+export class Speaker extends BaseModel {
     public id: number;
     public user_id: number;
     public begin_time: string; // TODO this is a time object
@@ -22,4 +23,12 @@ export class Speaker extends Deserializer {
     public constructor(input?: any) {
         super(input);
     }
+
+    /**
+     * Getting the title of a speaker does not make much sense.
+     * Usually it would refer to the title of a user.
+     */
+    public getTitle(): string {
+        return '';
+    }
 }

client/src/app/shared/models/topics/topic.ts

@@ -25,6 +25,6 @@ export class Topic extends AgendaBaseModel {
     }
 
     public getDetailStateURL(): string {
-        return 'TODO';
+        return `/agenda/topics/${this.id}`;
     }
 }

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

@@ -52,6 +52,7 @@ import { SearchValueSelectorComponent } from './components/search-value-selector
 import { OpenSlidesDateAdapter } from './date-adapter';
 import { PromptDialogComponent } from './components/prompt-dialog/prompt-dialog.component';
 import { SortingListComponent } from './components/sorting-list/sorting-list.component';
+import { SpeakerListComponent } from 'app/site/agenda/components/speaker-list/speaker-list.component';
 
 /**
  * Share Module for all "dumb" components and pipes.
@@ -151,7 +152,8 @@ import { SortingListComponent } from './components/sorting-list/sorting-list.com
         PrivacyPolicyContentComponent,
         SearchValueSelectorComponent,
         PromptDialogComponent,
-        SortingListComponent
+        SortingListComponent,
+        SpeakerListComponent
     ],
     providers: [
         { provide: DateAdapter, useClass: OpenSlidesDateAdapter },

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

@@ -1,8 +1,15 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
-import { AgendaListComponent } from './agenda-list/agenda-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 }];
+const routes: Routes = [
+    { path: '', component: AgendaListComponent },
+    { path: 'topics/new', component: TopicDetailComponent },
+    { path: 'topics/:id', component: TopicDetailComponent },
+    { path: ':id/speakers', component: SpeakerListComponent }
+];
 
 @NgModule({
     imports: [RouterModule.forChild(routes)],

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

@@ -3,10 +3,14 @@ import { CommonModule } from '@angular/common';
 
 import { AgendaRoutingModule } from './agenda-routing.module';
 import { SharedModule } from '../../shared/shared.module';
-import { AgendaListComponent } from './agenda-list/agenda-list.component';
+import { AgendaListComponent } from './components/agenda-list/agenda-list.component';
+import { TopicDetailComponent } from './components/topic-detail/topic-detail.component';
 
+/**
+ * AppModule for the agenda and it's children.
+ */
 @NgModule({
     imports: [CommonModule, AgendaRoutingModule, SharedModule],
-    declarations: [AgendaListComponent]
+    declarations: [AgendaListComponent, TopicDetailComponent]
 })
 export class AgendaModule {}

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

@@ -1,7 +1,7 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { AgendaListComponent } from './agenda-list.component';
-import { E2EImportsModule } from '../../../../e2e-imports.module';
+import { E2EImportsModule } from '../../../../../e2e-imports.module';
 
 describe('AgendaListComponent', () => {
     let component: AgendaListComponent;

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

@@ -1,12 +1,13 @@
 import { Component, OnInit } from '@angular/core';
+import { Router, ActivatedRoute } from '@angular/router';
 import { Title } from '@angular/platform-browser';
-import { TranslateService } from '@ngx-translate/core';
-import { ViewItem } from '../models/view-item';
-import { ListViewBaseComponent } from '../../base/list-view-base';
-import { AgendaRepositoryService } from '../services/agenda-repository.service';
-import { Router } from '@angular/router';
 import { MatSnackBar } from '@angular/material';
 
+import { TranslateService } from '@ngx-translate/core';
+import { ViewItem } from '../../models/view-item';
+import { ListViewBaseComponent } from 'app/site/base/list-view-base';
+import { AgendaRepositoryService } from '../../services/agenda-repository.service';
+
 /**
  * List view for the agenda.
  *
@@ -20,16 +21,18 @@ import { MatSnackBar } from '@angular/material';
 export class AgendaListComponent extends ListViewBaseComponent<ViewItem> implements OnInit {
     /**
      * The usual constructor for components
-     * @param titleService
+     * @param titleService Setting the browser tab title
-     * @param translate
+     * @param translate translations
-     * @param matSnackBar
+     * @param matSnackBar Shows errors and messages
-     * @param router
+     * @param route Angulars ActivatedRoute
-     * @param repo
+     * @param router Angulars router
+     * @param repo the agenda repository
      */
     public constructor(
         titleService: Title,
         translate: TranslateService,
         matSnackBar: MatSnackBar,
+        private route: ActivatedRoute,
         private router: Router,
         private repo: AgendaRepositoryService
     ) {
@@ -51,13 +54,14 @@ export class AgendaListComponent extends ListViewBaseComponent<ViewItem> impleme
     /**
      * Handler for click events on agenda item rows
      * Links to the content object if any
+     *
+     * Gets content object from the repository rather than from the model
+     * to avoid race conditions
+     * @param item the item that was selected from the list view
      */
     public selectAgendaItem(item: ViewItem): void {
-        if (item.contentObject) {
+        const contentObject = this.repo.getContentObject(item.item);
-            this.router.navigate([item.contentObject.getDetailStateURL()]);
+        this.router.navigate([contentObject.getDetailStateURL()]);
-        } else {
-            console.error(`The selected item ${item} has no content object`);
-        }
     }
 
     /**
@@ -65,6 +69,6 @@ export class AgendaListComponent extends ListViewBaseComponent<ViewItem> impleme
      * Comes from the HeadBar Component
      */
     public onPlusButton(): void {
-        console.log('create new motion');
+        this.router.navigate(['topics/new'], { relativeTo: this.route });
     }
 }

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

@@ -0,0 +1,116 @@
+<os-head-bar [nav]="false" [goBack]="true">
+    <!-- Title -->
+    <div class="title-slot">
+        <h2>
+            <span *ngIf="viewItem">{{ viewItem.getTitle() }}:</span> <span translate> List of speakers </span>
+        </h2>
+    </div>
+</os-head-bar>
+
+<mat-card class="speaker-card">
+    <!-- List of finished speakers -->
+    <mat-expansion-panel *ngIf="finishedSpeakers && finishedSpeakers.length > 0" class="finished-list">
+        <mat-expansion-panel-header>
+            <mat-panel-title translate> Last speakers </mat-panel-title>
+        </mat-expansion-panel-header>
+        <mat-list>
+            <!-- {Number}. {full_name} {time} minutes (Start time: {begin_time}) [close button] -->
+            <mat-list-item *ngFor="let speaker of finishedSpeakers; let number = index">
+                <div class="finished-prefix">
+                    <span>{{ number + 1 }}</span> <span>.&nbsp;{{ speaker }}</span>
+                </div>
+                <div class="finished-suffix">
+                    <!-- TODO: No Date or time class yet -->
+                    <!-- <span> calc time here &nbsp;</span> -->
+                    <!-- <span translate>minutes</span> -->
+                    <span>&nbsp;(</span> <span translate>Start time</span> <span>:&nbsp;{{ speaker.begin_time }})</span>
+                </div>
+                <button
+                    mat-stroked-button
+                    matTooltip="{{ 'Remove' | translate }}"
+                    *osPerms="'agenda.can_manage_list_of_speakers'"
+                    (click)="onDeleteButton(speaker)"
+                >
+                    <mat-icon>close</mat-icon>
+                </button>
+            </mat-list-item>
+        </mat-list>
+    </mat-expansion-panel>
+
+    <!-- Current Speaker -->
+    <div class="current-speaker" *ngIf="activeSpeaker">
+        <mat-icon class="speaking-icon">play_arrow</mat-icon>
+        <span class="speaking-name">{{ activeSpeaker }}</span>
+
+        <button
+            mat-stroked-button
+            matTooltip="{{ 'End speech' | translate }}"
+            *osPerms="'agenda.can_manage_list_of_speakers'"
+            (click)="onStopButton()"
+        >
+            <mat-icon>mic_off</mat-icon>
+            <span translate>Stop</span>
+        </button>
+    </div>
+
+    <!-- Waiting speakers -->
+    <div *osPerms="'agenda.can_manage_list_of_speakers'">
+        <div class="waiting-list" *ngIf="speakers && speakers.length > 0">
+            <os-sorting-list [input]="speakers" [live]="true" [count]="true" (sortEvent)="onSortingChange($event)">
+                <!-- implicit item references into the component using ng-template slot -->
+                <ng-template let-item>
+                    <div class="speak-action-buttons">
+                        <mat-button-toggle-group>
+                            <mat-button-toggle
+                                matTooltip="{{ 'Begin speech' | translate }}"
+                                (click)="onStartButton(item)"
+                            >
+                                <mat-icon>mic</mat-icon>
+                                <span translate>Start</span>
+                            </mat-button-toggle>
+                            <mat-button-toggle
+                                matTooltip="{{ 'Mark speaker' | translate }}"
+                                (click)="onMarkButton(item)"
+                            >
+                                <mat-icon>{{ item.marked ? 'star' : 'star_border' }}</mat-icon>
+                            </mat-button-toggle>
+                            <mat-button-toggle matTooltip="{{ 'Remove' | translate }}" (click)="onDeleteButton(item)">
+                                <mat-icon>close</mat-icon>
+                            </mat-button-toggle>
+                        </mat-button-toggle-group>
+                    </div>
+                </ng-template>
+            </os-sorting-list>
+        </div>
+    </div>
+
+    <!-- Search for speakers -->
+    <div *osPerms="'agenda.can_manage_list_of_speakers'">
+        <form *ngIf="users && users.value.length > 0" [formGroup]="addSpeakerForm">
+            <os-search-value-selector
+                class="search-users"
+                ngDefaultControl
+                [form]="addSpeakerForm"
+                [formControl]="addSpeakerForm.get('user_id')"
+                [multiple]="false"
+                listname="{{ 'Select or search new speaker ...' | translate }}"
+                [InputListValues]="users"
+            ></os-search-value-selector>
+        </form>
+    </div>
+
+    <!-- Add me and remove me if OP has correct permission -->
+    <div *osPerms="'agenda.can_be_speaker'" class="add-self-buttons">
+        <div *ngIf="speakers">
+            <button mat-raised-button (click)="addNewSpeaker()" *ngIf="!isOpInList()">
+                <mat-icon>add</mat-icon>
+                <span translate>Add me</span>
+            </button>
+
+            <button mat-raised-button (click)="onDeleteButton()" *ngIf="isOpInList()">
+                <mat-icon>remove</mat-icon>
+                <span translate>Remove me</span>
+            </button>
+        </div>
+    </div>
+</mat-card>

client/src/app/site/agenda/components/speaker-list/speaker-list.component.scss

@@ -0,0 +1,63 @@
+.speaker-card {
+    margin: 0 20px 0 20px;
+    padding: 0;
+
+    .finished-list {
+        margin-bottom: 15px;
+        .finished-suffix {
+            color: slategray;
+            font-size: 80%;
+            margin-right: 10px;
+        }
+
+        .mat-list-item {
+            height: auto;
+        }
+
+        button {
+            margin-left: 10px;
+        }
+    }
+
+    .current-speaker {
+        padding: 10px 25px 15px 25px;
+        display: table;
+        .speaking-icon {
+            display: table-cell;
+            vertical-align: middle;
+        }
+
+        .speaking-name {
+            display: table-cell;
+            vertical-align: middle;
+            font-weight: bold;
+            padding-left: 10px;
+        }
+
+        button {
+            display: table-cell;
+            vertical-align: middle;
+            margin-left: 10px;
+        }
+    }
+
+    .waiting-list {
+        padding: 10px 25px 0 25px;
+    }
+
+    form {
+        padding: 15px 25px 10px 25px;
+        width: auto;
+
+        .search-users {
+            display: grid;
+            .mat-form-field {
+                width: 100%;
+            }
+        }
+    }
+
+    .add-self-buttons {
+        padding: 0 0 20px 25px;
+    }
+}

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

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SpeakerListComponent } from './speaker-list.component';
+import { E2EImportsModule } from '../../../../../e2e-imports.module';
+
+describe('SpeakerListComponent', () => {
+    let component: SpeakerListComponent;
+    let fixture: ComponentFixture<SpeakerListComponent>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(SpeakerListComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});

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

@@ -0,0 +1,171 @@
+import { Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { ViewSpeaker, SpeakerState } from '../../models/view-speaker';
+import { User } from 'app/shared/models/users/user';
+import { FormGroup, FormControl } from '@angular/forms';
+import { BehaviorSubject } from 'rxjs';
+import { DataStoreService } from 'app/core/services/data-store.service';
+import { AgendaRepositoryService } from '../../services/agenda-repository.service';
+import { ViewItem } from '../../models/view-item';
+import { OperatorService } from 'app/core/services/operator.service';
+
+/**
+ * The list of speakers for agenda items.
+ */
+@Component({
+    selector: 'os-speaker-list',
+    templateUrl: './speaker-list.component.html',
+    styleUrls: ['./speaker-list.component.scss']
+})
+export class SpeakerListComponent implements OnInit {
+    /**
+     * Holds the view item to the given topic
+     */
+    public viewItem: ViewItem;
+
+    /**
+     * Holds the speakers
+     */
+    public speakers: ViewSpeaker[];
+
+    /**
+     * Holds the active speaker
+     */
+    public activeSpeaker: ViewSpeaker;
+
+    /**
+     * Holds the speakers who were marked done
+     */
+    public finishedSpeakers: ViewSpeaker[];
+
+    /**
+     * Hold the users
+     */
+    public users: BehaviorSubject<User[]>;
+
+    /**
+     * Required for the user search selector
+     */
+    public addSpeakerForm: FormGroup;
+
+    /**
+     * Constructor for speaker list component
+     * @param route Angulars ActivatedRoute
+     * @param DS the DataStore
+     * @param itemRepo Repository fpr agenda items
+     * @param op the current operator
+     */
+    public constructor(
+        private route: ActivatedRoute,
+        private DS: DataStoreService,
+        private itemRepo: AgendaRepositoryService,
+        private op: OperatorService
+    ) {
+        this.addSpeakerForm = new FormGroup({ user_id: new FormControl([]) });
+        this.getAgendaItemByUrl();
+    }
+
+    /**
+     * Init.
+     *
+     * Observe users,
+     * React to form changes
+     */
+    public ngOnInit(): void {
+        // load and observe users
+        this.users = new BehaviorSubject(this.DS.getAll(User));
+        this.DS.changeObservable.subscribe(model => {
+            if (model instanceof User) {
+                this.users.next(this.DS.getAll(User));
+            }
+        });
+
+        // detect changes in the form
+        this.addSpeakerForm.valueChanges.subscribe(formResult => {
+            // resetting a form triggers a form.next(null) - check if user_id
+            if (formResult && formResult.user_id) {
+                this.addNewSpeaker(formResult.user_id);
+            }
+        });
+    }
+
+    /**
+     * Extract the ID from the url
+     * Determine whether the speaker list belongs to a motion or a topic
+     */
+    public getAgendaItemByUrl(): void {
+        const id = +this.route.snapshot.url[0];
+
+        this.itemRepo.getViewModelObservable(id).subscribe(newAgendaItem => {
+            if (newAgendaItem) {
+                this.viewItem = newAgendaItem;
+
+                const allSpeakers = this.itemRepo.createViewSpeakers(newAgendaItem.item);
+
+                this.speakers = allSpeakers.filter(speaker => speaker.state === SpeakerState.WAITING);
+                this.finishedSpeakers = allSpeakers.filter(speaker => speaker.state === SpeakerState.FINISHED);
+                this.activeSpeaker = allSpeakers.find(speaker => speaker.state === SpeakerState.CURRENT);
+            }
+        });
+    }
+
+    /**
+     * Create a speaker out of an id
+     * @param userId the user id to add to the list. No parameter adds the operators user as speaker.
+     */
+    public async addNewSpeaker(userId?: number): Promise<void> {
+        await this.itemRepo.addSpeaker(userId, this.viewItem.item);
+        this.addSpeakerForm.reset();
+    }
+
+    /**
+     * React to manual in the sorting order.
+     * Informs the repo about changes in the order
+     * @param listInNewOrder Contains the newly ordered list of ViewSpeakers
+     */
+    public onSortingChange(listInNewOrder: ViewSpeaker[]): void {
+        // extract the ids from the ViewSpeaker array
+        const userIds = listInNewOrder.map(speaker => speaker.id);
+        this.itemRepo.sortSpeakers(userIds, this.viewItem.item);
+    }
+
+    /**
+     * Click on the mic button to mark a speaker as speaking
+     * @param item the speaker marked in the list
+     */
+    public onStartButton(item: ViewSpeaker): void {
+        this.itemRepo.startSpeaker(item.id, this.viewItem.item);
+    }
+
+    /**
+     * Click on the mic-cross button
+     */
+    public onStopButton(): void {
+        this.itemRepo.stopSpeaker(this.viewItem.item);
+    }
+
+    /**
+     * Click on the star button
+     * @param item
+     */
+    public onMarkButton(item: ViewSpeaker): void {
+        this.itemRepo.markSpeaker(item.user.id, !item.marked, this.viewItem.item);
+    }
+
+    /**
+     * Click on the X button
+     * @param item
+     */
+    public onDeleteButton(item?: ViewSpeaker): void {
+        this.itemRepo.deleteSpeaker(this.viewItem.item, item ? item.id : null);
+    }
+
+    /**
+     * Returns true if the operator is in the list of (waiting) speakers
+     *
+     * @returns whether or not the current operator is in the list
+     */
+    public isOpInList(): boolean {
+        return this.speakers.some(speaker => speaker.user.id === this.op.user.id);
+    }
+}

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

@@ -0,0 +1,83 @@
+<os-head-bar
+    [nav]="false"
+    [goBack]="true"
+    [editMode]="editTopic"
+    (mainEvent)="setEditMode(!editTopic)"
+    (saveEvent)="saveTopic()"
+>
+    <!-- Title -->
+    <div class="title-slot">
+        <h2>
+            <span *ngIf="newTopic && !editTopic" translate>New</span>
+            <span *ngIf="editTopic && !newTopic" translate>Edit</span>
+            <!-- Whitespace between "New" and "Topic" -->
+            <span>&nbsp;</span> <span translate>Topic</span>
+        </h2>
+    </div>
+
+    <!-- Menu -->
+    <div class="menu-slot">
+        <button type="button" mat-icon-button [matMenuTriggerFor]="topicExtraMenu">
+            <mat-icon>more_vert</mat-icon>
+        </button>
+    </div>
+</os-head-bar>
+
+<div *ngIf="topic" class="topic-container on-transition-fade">
+    <div class="topic-title">
+        <h2 *ngIf="!editTopic">{{ topic.title }}</h2>
+        <h2 *ngIf="editTopic">{{ topicForm.get('title').value }}</h2>
+    </div>
+
+    <mat-card *ngIf="topic || editTopic" class="topic-text">
+        <div>
+            <span *ngIf="!editTopic">
+                {{ topic.text }}
+                <div *ngIf="topic.text === ''" class="missing" translate>No description provided.</div>
+            </span>
+        </div>
+
+        <div *ngIf="topic.attachments && topic.attachments.length > 0">
+            <h3>
+                <span translate>Attachments</span> <span>:</span>
+                <!-- TODO: Mediafiles and attachments are not fully implemented -->
+            </h3>
+        </div>
+
+        <form *ngIf="editTopic" [formGroup]="topicForm" (ngSubmit)="saveTopic()" (keydown)="keyDownFunction($event)">
+            <div>
+                <mat-form-field>
+                    <input
+                        type="text"
+                        matInput
+                        osAutofocus
+                        required
+                        formControlName="title"
+                        placeholder="{{ 'Title' | translate}}"
+                    />
+                    <mat-error *ngIf="topicForm.invalid" translate>A name is required</mat-error>
+                </mat-form-field>
+            </div>
+
+            <div>
+                <mat-form-field>
+                    <textarea matInput formControlName="text" placeholder="{{ 'Description ' | translate}}"></textarea>
+                </mat-form-field>
+            </div>
+
+            <!-- TODO: Select Mediafiles as attachments here -->
+        </form>
+    </mat-card>
+</div>
+
+<mat-menu #topicExtraMenu="matMenu">
+    <button mat-menu-item *ngIf="topic" [routerLink]="getSpeakerLink()">
+        <mat-icon>mic</mat-icon>
+        <span translate>List of speakers</span>
+    </button>
+    <mat-divider></mat-divider>
+    <button mat-menu-item class="red-warning-text" (click)="onDeleteButton()">
+        <mat-icon>delete</mat-icon>
+        <span translate>Delete</span>
+    </button>
+</mat-menu>

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

@@ -0,0 +1,26 @@
+.topic-container {
+    max-width: 1200px;
+}
+
+.topic-title {
+    padding: 40px;
+    padding-left: 25px;
+    line-height: 180%;
+    font-size: 120%;
+    color: #317796; // TODO: put in theme as $primary
+
+    h2 {
+        margin: 0;
+        font-weight: normal;
+    }
+}
+
+.topic-text {
+    margin: 0 20px 0 20px;
+    padding: 25px;
+
+    .missing {
+        color: slategray; // TODO: Colors in theme
+        font-style: italic;
+    }
+}

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

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

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

@@ -0,0 +1,185 @@
+import { Component } from '@angular/core';
+import { Location } from '@angular/common';
+import { FormGroup, Validators, FormBuilder } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+
+import { TranslateService } from '@ngx-translate/core';
+
+import { PromptService } from 'app/core/services/prompt.service';
+import { TopicRepositoryService } from '../../services/topic-repository.service';
+import { ViewTopic } from '../../models/view-topic';
+
+/**
+ * Detail page for topics.
+ */
+@Component({
+    selector: 'os-topic-detail',
+    templateUrl: './topic-detail.component.html',
+    styleUrls: ['./topic-detail.component.scss']
+})
+export class TopicDetailComponent {
+    /**
+     * Determine if the topic is in edit mode
+     */
+    public editTopic: boolean;
+
+    /**
+     * Determine is created
+     */
+    public newTopic: boolean;
+
+    /**
+     * Holds the current view topic
+     */
+    public topic: ViewTopic;
+
+    /**
+     * Topic form
+     */
+    public topicForm: FormGroup;
+
+    /**
+     * Constructor for the topic detail page.
+     *
+     * @param route Angulars ActivatedRoute
+     * @param router Angulars Router
+     * @param location Enables to navigate back
+     * @param formBuilder Angulars FormBuilder
+     * @param translate Handles translations
+     * @param repo The topic repository
+     * @param promptService Allows warning before deletion attempts
+     */
+    public constructor(
+        private route: ActivatedRoute,
+        private router: Router,
+        private location: Location,
+        private formBuilder: FormBuilder,
+        private translate: TranslateService,
+        private repo: TopicRepositoryService,
+        private promptService: PromptService
+    ) {
+        this.getTopicByUrl();
+        this.createForm();
+    }
+
+    /**
+     * Set the edit mode to the given Status
+     * @param mode
+     */
+    public setEditMode(mode: boolean): void {
+        this.editTopic = mode;
+        if (mode) {
+            this.patchForm();
+        }
+        if (!mode && this.newTopic) {
+            this.router.navigate(['./agenda/']);
+        }
+    }
+
+    /**
+     * Save a new topic as agenda item
+     */
+    public async saveTopic(): Promise<void> {
+        if (this.newTopic && this.topicForm.valid) {
+            const response = await this.repo.create(this.topicForm.value);
+            this.router.navigate([`/agenda/topics/${response.id}`]);
+            // after creating a new topic, go "back" to agenda list view
+            this.location.replaceState('/agenda/');
+        } else {
+            await this.repo.update(this.topicForm.value, this.topic);
+            this.setEditMode(false);
+        }
+    }
+
+    /**
+     * Setup the form to create or alter the topic
+     */
+    public createForm(): void {
+        this.topicForm = this.formBuilder.group({
+            title: ['', Validators.required],
+            text: ['']
+        });
+    }
+
+    /**
+     * Overwrite form Values with values from the topic
+     */
+    public patchForm(): void {
+        const topicPatch = {};
+        Object.keys(this.topicForm.controls).forEach(ctrl => {
+            topicPatch[ctrl] = this.topic[ctrl];
+        });
+        this.topicForm.patchValue(topicPatch);
+    }
+
+    /**
+     * Determine whether a new topic should be created or an existing one should
+     * be loaded using the ID from the URL
+     */
+    public getTopicByUrl(): void {
+        if (this.route.snapshot.url[1] && this.route.snapshot.url[1].path === 'new') {
+            // creates a new topic
+            this.newTopic = true;
+            this.editTopic = true;
+            this.topic = new ViewTopic();
+        } else {
+            // load existing topic
+            this.route.params.subscribe(params => {
+                this.loadTopic(params.id);
+            });
+        }
+    }
+
+    /**
+     * Loads a top from the repository
+     * @param id the id of the required topic
+     */
+    public loadTopic(id: number): void {
+        this.repo.getViewModelObservable(id).subscribe(newViewTopic => {
+            // repo sometimes delivers undefined values
+            // also ensures edition cannot be interrupted by autoupdate
+            if (newViewTopic && !this.editTopic) {
+                this.topic = newViewTopic;
+                // personalInfoForm is undefined during 'new' and directly after reloading
+                if (this.topicForm) {
+                    this.patchForm();
+                }
+            }
+        });
+    }
+
+    /**
+     * Create the absolute path to the corresponding list of speakers
+     *
+     * @returns the link to the list of speakers as string
+     */
+    public getSpeakerLink(): string {
+        if (!this.newTopic && this.topic) {
+            const item = this.repo.getAgendaItem(this.topic.topic);
+            if (item) {
+                return `/agenda/${item.id}/speakers`;
+            }
+        }
+    }
+
+    /**
+     * Handler for the delete button. Uses the PromptService
+     */
+    public async onDeleteButton(): Promise<any> {
+        const content = this.translate.instant('Delete') + ` ${this.topic.title}?`;
+        if (await this.promptService.open('Are you sure?', content)) {
+            await this.repo.delete(this.topic);
+            this.router.navigate(['/agenda']);
+        }
+    }
+
+    /**
+     * Hitting escape while in topicForm should cancel editing
+     * @param event has the code
+     */
+    public keyDownFunction(event: KeyboardEvent): void {
+        if (event.keyCode === 27) {
+            this.setEditMode(false);
+        }
+    }
+}

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

@@ -0,0 +1,89 @@
+import { BaseViewModel } from 'app/site/base/base-view-model';
+import { Speaker } from 'app/shared/models/agenda/speaker';
+import { User } from 'app/shared/models/users/user';
+import { Selectable } from 'app/shared/components/selectable';
+
+/**
+ * Determine the state of the speaker
+ */
+export enum SpeakerState {
+    WAITING,
+    CURRENT,
+    FINISHED
+}
+
+/**
+ * Provides "safe" access to a speaker with all it's components
+ */
+export class ViewSpeaker extends BaseViewModel implements Selectable {
+    private _speaker: Speaker;
+    private _user: User;
+
+    public get speaker(): Speaker {
+        return this._speaker;
+    }
+
+    public get user(): User {
+        return this._user;
+    }
+
+    public get id(): number {
+        return this.speaker ? this.speaker.id : null;
+    }
+
+    public get weight(): number {
+        return this.speaker ? this.speaker.weight : null;
+    }
+
+    public get marked(): boolean {
+        return this.speaker ? this.speaker.marked : null;
+    }
+
+    public get begin_time(): string {
+        return this.speaker ? this.speaker.begin_time : null;
+    }
+
+    public get end_time(): string {
+        return this.speaker ? this.speaker.end_time : null;
+    }
+
+    /**
+     * Returns:
+     *  - waiting if there is no begin nor end time
+     *  - current if there is a begin time and not end time
+     *  - finished if there are both begin and end time
+     */
+    public get state(): SpeakerState {
+        if (!this.begin_time && !this.end_time) {
+            return SpeakerState.WAITING;
+        } else if (this.begin_time && !this.end_time) {
+            return SpeakerState.CURRENT;
+        } else {
+            return SpeakerState.FINISHED;
+        }
+    }
+
+    public get name(): string {
+        return this.user.full_name;
+    }
+
+    public constructor(speaker?: Speaker, user?: User) {
+        super();
+        this._speaker = speaker;
+        this._user = user;
+    }
+
+    public getTitle(): string {
+        return this.name;
+    }
+
+    /**
+     * Speaker is not a base model,
+     * @param update the incoming update
+     */
+    public updateValues(update: Speaker): void {
+        if (this.id === update.id) {
+            this._speaker = update;
+        }
+    }
+}

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

@@ -0,0 +1,58 @@
+import { BaseViewModel } from '../../base/base-view-model';
+import { Topic } from 'app/shared/models/topics/topic';
+import { Mediafile } from 'app/shared/models/mediafiles/mediafile';
+import { Item } from 'app/shared/models/agenda/item';
+
+/**
+ * Provides "safe" access to topic with all it's components
+ */
+export class ViewTopic extends BaseViewModel {
+    private _topic: Topic;
+    private _attachments: Mediafile[];
+    private _agenda_item: Item;
+
+    public get topic(): Topic {
+        return this._topic;
+    }
+
+    public get attachments(): Mediafile[] {
+        return this._attachments;
+    }
+
+    public get agenda_item(): Item {
+        return this._agenda_item;
+    }
+
+    public get id(): number {
+        return this.topic ? this.topic.id : null;
+    }
+
+    public get agenda_item_id(): number {
+        return this.topic ? this.topic.agenda_item_id : null;
+    }
+
+    public get title(): string {
+        return this.topic ? this.topic.title : null;
+    }
+
+    public get text(): string {
+        return this.topic ? this.topic.text : null;
+    }
+
+    public constructor(topic?: Topic, attachments?: Mediafile[], item?: Item) {
+        super();
+        this._topic = topic;
+        this._attachments = attachments;
+        this._agenda_item = item;
+    }
+
+    public getTitle(): string {
+        return this.title;
+    }
+
+    public updateValues(update: Topic): void {
+        if (this.id === update.id) {
+            this._topic = update;
+        }
+    }
+}

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

@@ -8,6 +8,10 @@ import { AgendaBaseModel } from '../../../shared/models/base/agenda-base-model';
 import { BaseModel } from '../../../shared/models/base/base-model';
 import { Identifiable } from '../../../shared/models/base/identifiable';
 import { CollectionStringModelMapperService } from '../../../core/services/collectionStringModelMapper.service';
+import { ViewSpeaker } from '../models/view-speaker';
+import { Speaker } from 'app/shared/models/agenda/speaker';
+import { User } from 'app/shared/models/users/user';
+import { HttpService } from 'app/core/services/http.service';
 
 /**
  * Repository service for users
@@ -18,15 +22,27 @@ import { CollectionStringModelMapperService } from '../../../core/services/colle
     providedIn: 'root'
 })
 export class AgendaRepositoryService extends BaseRepository<ViewItem, Item> {
-    public constructor(DS: DataStoreService, mapperService: CollectionStringModelMapperService) {
+    /**
+     * Contructor for agenda repository.
+     * @param DS The DataStore
+     * @param httpService OpenSlides own HttpService
+     * @param mapperService OpenSlides mapping service for collection strings
+     */
+    public constructor(
+        protected DS: DataStoreService,
+        private httpService: HttpService,
+        mapperService: CollectionStringModelMapperService
+    ) {
         super(DS, mapperService, Item);
     }
 
     /**
      * Returns the corresponding content object to a given {@link Item} as an {@link AgendaBaseModel}
-     * @param agendaItem
+     * Used dynamically because of heavy race conditions
+     * @param agendaItem the target agenda Item
+     * @returns the content object of the given item. Might be null if it was not found.
      */
-    private getContentObject(agendaItem: Item): AgendaBaseModel {
+    public getContentObject(agendaItem: Item): AgendaBaseModel {
         const contentObject = this.DS.get<BaseModel>(
             agendaItem.content_object.collection,
             agendaItem.content_object.id
@@ -45,6 +61,88 @@ export class AgendaRepositoryService extends BaseRepository<ViewItem, Item> {
         }
     }
 
+    /**
+     * Generate viewSpeaker objects from a given agenda Item
+     * @param item agenda Item holding speakers
+     * @returns the list of view speakers corresponding to the given item
+     */
+    public createViewSpeakers(item: Item): ViewSpeaker[] {
+        let viewSpeakers = [];
+        const speakers = item.speakers;
+        if (speakers && speakers.length > 0) {
+            speakers.forEach((speaker: Speaker) => {
+                const user = this.DS.get(User, speaker.user_id);
+                viewSpeakers.push(new ViewSpeaker(speaker, user));
+            });
+        }
+        // sort speakers by their weight
+        viewSpeakers = viewSpeakers.sort((a, b) => a.weight - b.weight);
+        return viewSpeakers;
+    }
+
+    /**
+     * Add a new speaker to an agenda item.
+     * Sends the users ID to the server
+     *
+     * Might need another repo
+     * @param id {@link User} id of the new speaker
+     * @param agenda the target agenda item
+     */
+    public async addSpeaker(id: number, agenda: Item): Promise<void> {
+        const restUrl = `rest/agenda/item/${agenda.id}/manage_speaker/`;
+        await this.httpService.post<Identifiable>(restUrl, { user: id });
+    }
+
+    /**
+     * Sets the given speaker ID to Speak
+     * @param id the speakers id
+     * @param agenda the target agenda item
+     */
+    public async startSpeaker(id: number, agenda: Item): Promise<void> {
+        const restUrl = `rest/agenda/item/${agenda.id}/speak/`;
+        await this.httpService.put(restUrl, { speaker: id });
+    }
+
+    /**
+     * Stops the current speaker
+     * @param agenda the target agenda item
+     */
+    public async stopSpeaker(agenda: Item): Promise<void> {
+        const restUrl = `rest/agenda/item/${agenda.id}/speak/`;
+        await this.httpService.delete(restUrl);
+    }
+
+    /**
+     * Marks the current speaker
+     * @param id {@link User} id of the new speaker
+     * @param mark determine if the user was marked or not
+     * @param agenda the target agenda item
+     */
+    public async markSpeaker(id: number, mark: boolean, agenda: Item): Promise<void> {
+        const restUrl = `rest/agenda/item/${agenda.id}/manage_speaker/`;
+        await this.httpService.patch(restUrl, { user: id, marked: mark });
+    }
+
+    /**
+     * Deletes the given speaker for the agenda
+     * @param id the speakers id
+     * @param agenda the target agenda item
+     */
+    public async deleteSpeaker(agenda: Item, id?: number): Promise<void> {
+        const restUrl = `rest/agenda/item/${agenda.id}/manage_speaker/`;
+        await this.httpService.delete(restUrl, { speaker: id });
+    }
+
+    /**
+     * Posts an (manually) sorted speaker list to the server
+     * @param ids array of speaker id numbers
+     * @param Item the target agenda item
+     */
+    public async sortSpeakers(ids: number[], agenda: Item): Promise<void> {
+        const restUrl = `rest/agenda/item/${agenda.id}/sort_speakers/`;
+        await this.httpService.post(restUrl, { speakers: ids });
+    }
+
     /**
      * @ignore
      *
@@ -72,9 +170,13 @@ export class AgendaRepositoryService extends BaseRepository<ViewItem, Item> {
         return null;
     }
 
+    /**
+     * Creates the viewItem out of a given item
+     * @param item the item that should be converted to view item
+     * @returns a new view item
+     */
     public createViewModel(item: Item): ViewItem {
         const contentObject = this.getContentObject(item);
-
         return new ViewItem(item, contentObject);
     }
 }

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

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { TopicRepositoryService } from './topic-repository.service';
+import { E2EImportsModule } from '../../../../e2e-imports.module';
+
+describe('TopicRepositoryService', () => {
+    beforeEach(() =>
+        TestBed.configureTestingModule({
+            imports: [E2EImportsModule]
+        }));
+
+    it('should be created', () => {
+        const service: TopicRepositoryService = TestBed.get(TopicRepositoryService);
+        expect(service).toBeTruthy();
+    });
+});

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

@@ -0,0 +1,89 @@
+import { Injectable } from '@angular/core';
+
+import { Topic } from 'app/shared/models/topics/topic';
+import { BaseRepository } from 'app/site/base/base-repository';
+import { Mediafile } from 'app/shared/models/mediafiles/mediafile';
+import { Item } from 'app/shared/models/agenda/item';
+import { DataStoreService } from 'app/core/services/data-store.service';
+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';
+
+/**
+ * Repository for topics
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class TopicRepositoryService extends BaseRepository<ViewTopic, Topic> {
+    /**
+     * Constructor calls the parent constructor
+     *
+     * @param DS Access the DataStore
+     * @param mapperService OpenSlides mapping service for collections
+     * @param dataSend Access the DataSendService
+     */
+    public constructor(
+        DS: DataStoreService,
+        mapperService: CollectionStringModelMapperService,
+        private dataSend: DataSendService
+    ) {
+        super(DS, mapperService, Topic, [Mediafile, Item]);
+    }
+
+    /**
+     * Creates a new viewModel out of the given model
+     * @param topic The topic that shall be converted into a view topic
+     * @returns a new view topic
+     */
+    public createViewModel(topic: Topic): ViewTopic {
+        const attachments = this.DS.getMany(Mediafile, topic.attachments_id);
+        const item = this.getAgendaItem(topic);
+        return new ViewTopic(topic, attachments, item);
+    }
+
+    /**
+     * Gets the corresponding agendaItem to the topic.
+     * Used to deal with race conditions
+     *
+     * @param topic the topic for the agenda item
+     * @returns an agenda item that fits for the topic
+     */
+    public getAgendaItem(topic: Topic): Item {
+        return this.DS.get(Item, topic.agenda_item_id);
+    }
+
+    /**
+     * Save a new 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);
+    }
+
+    /**
+     * Change an existing topic
+     *
+     * @param updateData form value containing the data meant to update the topic
+     * @param viewTopic the topic that should receive the update
+     */
+    public async update(updateData: Partial<Topic>, viewTopic: ViewTopic): Promise<void> {
+        const updateTopic = new Topic();
+        updateTopic.patchValues(viewTopic.topic);
+        updateTopic.patchValues(updateData);
+
+        return await this.dataSend.updateModel(updateTopic);
+    }
+
+    /**
+     * Delete a topic
+     * @param viewTopic the topic that should be removed
+     */
+    public async delete(viewTopic: ViewTopic): Promise<void> {
+        return await this.dataSend.deleteModel(viewTopic.topic);
+    }
+}

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

@@ -39,20 +39,31 @@
     </div>
 
     <mat-menu #motionExtraMenu="matMenu">
-        <button mat-menu-item>
+        <div *ngIf="motion">
-            <mat-icon>picture_as_pdf</mat-icon>
+            <button mat-menu-item>
-            <span translate>PDF</span>
+                <mat-icon>picture_as_pdf</mat-icon>
-        </button>
+                <span translate>PDF</span>
-        <button mat-menu-item>
+            </button>
-            <!-- possible icons: screen_share, cast, videocam -->
+
-            <mat-icon>videocam</mat-icon>
+            <button mat-menu-item [routerLink]="getSpeakerLink()">
-            <span translate>Project</span>
+                <mat-icon>mic</mat-icon>
-        </button>
+                <span translate>List of speakers</span>
-        <mat-divider></mat-divider>
+            </button>
-        <button mat-menu-item class='red-warning-text' (click)='deleteMotionButton()'>
+
-            <mat-icon>delete</mat-icon>
+            <button mat-menu-item>
-            <span translate>Delete</span>
+                <!-- possible icons: screen_share, cast, videocam -->
-        </button>
+                <mat-icon>videocam</mat-icon>
+                <span translate>Project</span>
+            </button>
+
+            <mat-divider></mat-divider>
+
+            <button mat-menu-item class='red-warning-text' (click)='deleteMotionButton()'>
+                <mat-icon>delete</mat-icon>
+                <span translate>Delete</span>
+            </button>
+        </div>
+
     </mat-menu>
 </os-head-bar>
 

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

@@ -318,21 +318,21 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
     }
 
     /**
-     * Trigger to delete the motion
+     * Trigger to delete the motion.
-     *
+     * Sends a delete request over the repository and
-     * TODO: Repo should handle
+     * shows a "are you sure" dialog
      */
-    public deleteMotionButton(): void {
+    public async deleteMotionButton(): Promise<void> {
-        this.repo.delete(this.motion).then(() => {
+        await this.repo.delete(this.motion).then();
-            this.router.navigate(['./motions/']);
+        this.router.navigate(['./motions/']);
-        }, this.raiseError);
+
-        // TODO: this needs to be in the autoupdate code.
+        // This should happen during auto update
-        /*const motList = this.categoryRepo.getMotionsOfCategory(this.motion.category);
+        // const motList = this.categoryRepo.getMotionsOfCategory(this.motion.category);
-        const index = motList.indexOf(this.motion.motion, 0);
+        // const index = motList.indexOf(this.motion.motion, 0);
-        if (index > -1) {
+        // if (index > -1) {
-            motList.splice(index, 1);
+        //     motList.splice(index, 1);
-        }
+        // }
-        this.categoryRepo.updateCategoryNumbering(this.motion.category, motList);*/
+        // this.categoryRepo.updateCategoryNumbering(this.motion.category, motList);
     }
 
     /**
@@ -415,7 +415,6 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
     }
 
     /**
-     * Init. Does nothing here.
      * Comes from the head bar
      * @param mode
      */
@@ -492,6 +491,14 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
         });
     }
 
+    /**
+     * Create the absolute path to the corresponding list of speakers
+     * @returns the link to the corresponding list of speakers as string
+     */
+    public getSpeakerLink(): string {
+        return `/agenda/${this.motion.agenda_item_id}/speakers`;
+    }
+
     /**
      * Determine if the user has the correct requirements to alter the motion
      */

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

@@ -88,6 +88,10 @@ export class ViewMotion extends BaseViewModel {
         return this._category;
     }
 
+    public get agenda_item_id(): number {
+        return this.motion ? this.motion.agenda_item_id : null;
+    }
+
     public get category_id(): number {
         return this.motion && this.category ? this.motion.category_id : null;
     }

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

@@ -5,6 +5,7 @@ import { MotionDetailComponent } from './components/motion-detail/motion-detail.
 import { CategoryListComponent } from './components/category-list/category-list.component';
 import { MotionCommentSectionListComponent } from './components/motion-comment-section-list/motion-comment-section-list.component';
 import { StatuteParagraphListComponent } from './components/statute-paragraph-list/statute-paragraph-list.component';
+import { SpeakerListComponent } from '../agenda/components/speaker-list/speaker-list.component';
 
 const routes: Routes = [
     { path: '', component: MotionListComponent },
@@ -12,7 +13,8 @@ const routes: Routes = [
     { path: 'comment-section', component: MotionCommentSectionListComponent },
     { path: 'statute-paragraphs', component: StatuteParagraphListComponent },
     { path: 'new', component: MotionDetailComponent },
-    { path: ':id', component: MotionDetailComponent }
+    { path: ':id', component: MotionDetailComponent },
+    { path: ':id/speakers', component: SpeakerListComponent }
 ];
 
 @NgModule({

client/src/assets/styles/openslides-theme.scss

@@ -32,10 +32,45 @@ $openslides-blue: (
     )
 );
 
+$openslides-green: (
+    50: #e9f2e6,
+    100: #c8e0bf,
+    200: #a3cb95,
+    300: #7eb66b,
+    400: #62a64b,
+    500: #46962b,
+    600: #3f8e26,
+    700: #0a321e,
+    800: #092d1a,
+    900: #072616,
+    A100: #acff9d,
+    A200: #80ff6a,
+    A400: #55ff37,
+    A700: #3fff1e,
+    contrast: (
+        50: #000000,
+        100: #000000,
+        200: #000000,
+        300: #000000,
+        400: #000000,
+        500: #ffffff,
+        600: #ffffff,
+        700: #ffffff,
+        800: #ffffff,
+        900: #ffffff,
+        A100: #000000,
+        A200: #000000,
+        A400: #000000,
+        A700: #000000
+    )
+);
+
 // Generate paletes using: https://material.io/design/color/
 // default values fir mat-palette: $default: 500, $lighter: 100, $darker: 700.
 $openslides-primary: mat-palette($openslides-blue);
-$openslides-accent: mat-palette($mat-blue);
+$openslides-accent: mat-palette($mat-light-blue);
+// $openslides-primary: mat-palette($openslides-green);
+// $openslides-accent: mat-palette($mat-amber);
 
 $openslides-warn: mat-palette($mat-red);