Show first contribution hint in list of speaker

Shows a hint in the list of speakers if a speaker contributes for the
first time.

client/src/app/core/repositories/agenda/list-of-speakers-repository.service.ts

@@ -224,6 +224,10 @@ export class ListOfSpeakersRepositoryService extends BaseHasContentObjectReposit
         await this.httpService.post('/rest/agenda/list-of-speakers/delete_all_speakers/');
     }
 
+    public isFirstContribution(speaker: ViewSpeaker): boolean {
+        return !this.getViewModelList().some(list => list.hasSpeakerSpoken(speaker));
+    }
+
     /**
      * Helper function get the url to the speaker rest address
      *

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

@@ -95,9 +95,18 @@
             <!-- implicit speaker references into the component using ng-template slot -->
             <ng-template let-speaker>
                 <span *osPerms="'agenda.can_manage_list_of_speakers'">
+
+                    <!-- Speaker count -->
                     <span *ngIf="hasSpokenCount(speaker)" class="red-warning-text speaker-warning">
                         {{ hasSpokenCount(speaker) + 1 }}. <span>{{ 'contribution' | translate }}</span>
                     </span>
+
+                    <!-- First contribution -->
+                    <span *ngIf="showFistContributionHint && isFirstContribution(speaker)" class="speaker-warning">
+                        {{ 'First contribution' | translate }}
+                    </span>
+
+                    <!-- Speaker gender -->
                     <span *ngIf="speaker.gender">({{ speaker.gender | translate }})</span>
                 </span>
 

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

@@ -1,4 +1,4 @@
-import { Component, OnInit, ViewChild } from '@angular/core';
+import { ChangeDetectionStrategy, Component, OnInit, ViewChild } from '@angular/core';
 import { FormControl, FormGroup } from '@angular/forms';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { Title } from '@angular/platform-browser';
@@ -31,7 +31,8 @@ import { SpeakerState, ViewSpeaker } from '../../models/view-speaker';
 @Component({
     selector: 'os-list-of-speakers',
     templateUrl: './list-of-speakers.component.html',
-    styleUrls: ['./list-of-speakers.component.scss']
+    styleUrls: ['./list-of-speakers.component.scss'],
+    changeDetection: ChangeDetectionStrategy.OnPush
 })
 export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit {
     @ViewChild(SortingListComponent)
@@ -122,6 +123,8 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
 
     private closSubscription: Subscription | null;
 
+    public showFistContributionHint: boolean;
+
     /**
      * Constructor for speaker list component. Generates the forms.
      *
@@ -205,6 +208,9 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         this.subscriptions.push(
             this.config.get('agenda_present_speakers_only').subscribe(() => {
                 this.filterUsers();
+            }),
+            this.config.get<boolean>('agenda_show_first_contribution').subscribe(show => {
+                this.showFistContributionHint = show;
             })
         );
     }
@@ -416,6 +422,15 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         }).length;
     }
 
+    /**
+     * Returns true if the speaker did never appear on any list of speakers
+     *
+     * @param speaker
+     */
+    public isFirstContribution(speaker: ViewSpeaker): boolean {
+        return this.listOfSpeakersRepo.isFirstContribution(speaker);
+    }
+
     /**
      * Closes the current list of speakers
      */

client/src/app/site/agenda/models/view-list-of-speakers.ts

@@ -24,11 +24,19 @@ export class ViewListOfSpeakers extends BaseViewModelWithContentObject<ListOfSpe
         return this._model;
     }
 
+    public get finishedSpeakers(): ViewSpeaker[] {
+        return this.speakers.filter(speaker => speaker.state === SpeakerState.FINISHED);
+    }
+
     /**
      * Gets the amount of waiting speakers
      */
     public get waitingSpeakerAmount(): number {
-        return this.speakers.filter(speaker => speaker.state === SpeakerState.WAITING).length;
+        return this.waitingSpeakers.length;
+    }
+
+    public get waitingSpeakers(): ViewSpeaker[] {
+        return this.speakers.filter(speaker => speaker.state === SpeakerState.WAITING);
     }
 
     public get listOfSpeakersUrl(): string {
@@ -51,6 +59,10 @@ export class ViewListOfSpeakers extends BaseViewModelWithContentObject<ListOfSpe
             getDialogTitle: () => this.getTitle()
         };
     }
+
+    public hasSpeakerSpoken(checkSpeaker: ViewSpeaker): boolean {
+        return this.finishedSpeakers.findIndex(speaker => speaker.user_id === checkSpeaker.user_id) !== -1;
+    }
 }
 interface IListOfSpeakersRelations {
     speakers: ViewSpeaker[];

openslides/agenda/config_variables.py

@@ -188,3 +188,13 @@ def get_config_variables():
         group="Agenda",
         subgroup="List of speakers",
     )
+
+    yield ConfigVariable(
+        name="agenda_show_first_contribution",
+        default_value=False,
+        input_type="boolean",
+        label="Show a note when a speaker appears for the first time",
+        weight=234,
+        group="Agenda",
+        subgroup="List of speakers",
+    )