Show point-of-order amount in speaker statistics

Shows the amount of point of orders in speaker statistics

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

@@ -284,6 +284,16 @@ export class ListOfSpeakersRepositoryService extends BaseHasContentObjectReposit
         return firstContributions;
     }
 
+    /**
+     * @returns the amount of point of orders (sync)
+     */
+    public getPooAmount(): number {
+        const speakers: ViewSpeaker[] = this.getViewModelList()
+            .flatMap((los: ViewListOfSpeakers) => los.finishedSpeakers)
+            .filter(speaker => speaker.point_of_order);
+        return speakers.length || 0;
+    }
+
     /**
      * Maps structure-level to speaker.
      *

client/src/app/site/common/components/user-statistics/user-statistics.component.html

@@ -10,6 +10,10 @@
             <td>{{ 'Number of all requests to speak' | translate }}</td>
             <td>{{ numberOfWordRequests }}</td>
         </tr>
+        <tr>
+            <td>{{ 'Thereof point of orders' | translate }}</td>
+            <td>{{ numberOfPoo }}</td>
+        </tr>
         <tr>
             <td>{{ 'Unique speakers' | translate }}</td>
             <td>{{ numberOfUniqueSpeakers }}</td>

client/src/app/site/common/components/user-statistics/user-statistics.component.ts

@@ -30,11 +30,15 @@ export class UserStatisticsComponent extends BaseViewComponentDirective {
     }
 
     public get numberOfUniqueSpeakers(): number {
-        return this.uniqueSpeakers.length;
+        return this.uniqueSpeakers?.length || 0;
     }
 
     public get numberOfWordRequests(): number {
-        return this._numberOfWordRequests;
+        return this._numberOfWordRequests || 0;
+    }
+
+    public get numberOfPoo(): number {
+        return this._numberOfPoo || 0;
     }
 
     /**
@@ -84,6 +88,7 @@ export class UserStatisticsComponent extends BaseViewComponentDirective {
      */
     private uniqueSpeakers: ViewSpeaker[] = [];
     private _numberOfWordRequests = 0;
+    private _numberOfPoo = 0;
     private statisticIsOpen = false;
     private relationSpeakingTimeStructureLevelSubject = new BehaviorSubject<SpeakingTimeStructureLevelObject[]>([]);
 
@@ -122,6 +127,7 @@ export class UserStatisticsComponent extends BaseViewComponentDirective {
         }
         this.relationSpeakingTimeStructureLevelSubject.next(list);
         this.uniqueSpeakers = this.losRepo.getAllFirstContributions();
+        this._numberOfPoo = this.losRepo.getPooAmount();
     }
 
     /**