refactor(TeacherDataService): Clean up pause period code (#1460)

src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/top-bar/top-bar.component.ts

@@ -91,12 +91,8 @@ export class TopBarComponent implements OnInit {
     );
   }
 
-  /**
-   * Check whether any period in the run is paused
-   * @return Boolean whether any of the periods are paused
-   */
   protected isAnyPeriodPaused(): boolean {
-    return this.dataService.isAnyPeriodPaused();
+    return this.dataService.getPeriods().some((period) => period.paused);
   }
 
   protected switchToAuthoringView(): void {

src/assets/wise5/services/teacherDataService.ts

@@ -738,45 +738,18 @@ export class TeacherDataService extends DataService {
     );
   }
 
-  isAnyPeriodPaused() {
-    return this.getPeriods().some((period) => {
-      return period.paused;
-    });
-  }
-
-  isPeriodPaused(periodId: number): boolean {
-    if (periodId === -1) {
-      return this.isAllPeriodsPaused();
-    } else {
-      return this.getPeriodById(periodId).paused;
-    }
-  }
-
-  isAllPeriodsPaused() {
-    let numPausedPeriods = 0;
-    const periods = this.getPeriods();
-    for (const period of periods) {
-      if (period.paused) {
-        numPausedPeriods++;
-      }
-    }
-    return numPausedPeriods === periods.length;
-  }
-
-  getPeriodById(periodId: number): any {
-    return this.getPeriods().find((period) => {
-      return period.periodId === periodId;
-    });
+  private getPeriodById(periodId: number): any {
+    return this.getPeriods().find((period) => period.periodId === periodId);
   }
 
   /**
    * The pause screen status was changed for the given periodId. Update period accordingly.
    * @param periodId the id of the period to toggle
    * @param isPaused Boolean whether the period should be paused or not
    */
-  pauseScreensChanged(periodId, isPaused) {
+  pauseScreensChanged(periodId: number, isPaused: boolean): void {
     this.updatePausedRunStatusValue(periodId, isPaused);
-    this.sendRunStatusThenHandlePauseScreen(periodId, isPaused);
+    this.saveRunStatusThenHandlePauseScreen(periodId, isPaused);
     const context = 'ClassroomMonitor',
       nodeId = null,
       componentId = null,
@@ -787,66 +760,62 @@ export class TeacherDataService extends DataService {
     this.saveEvent(context, nodeId, componentId, componentType, category, event, data);
   }
 
-  sendRunStatusThenHandlePauseScreen(periodId, isPaused) {
-    this.sendRunStatus()
-      .toPromise()
-      .then(() => {
-        if (isPaused) {
-          this.TeacherWebSocketService.pauseScreens(periodId);
-        } else {
-          this.TeacherWebSocketService.unPauseScreens(periodId);
-        }
-      });
+  private saveRunStatusThenHandlePauseScreen(periodId: number, isPaused: boolean): void {
+    this.saveRunStatus().subscribe(() => {
+      if (isPaused) {
+        this.TeacherWebSocketService.pauseScreens(periodId);
+      } else {
+        this.TeacherWebSocketService.unPauseScreens(periodId);
+      }
+    });
   }
 
-  sendRunStatus() {
+  private saveRunStatus(): Observable<void> {
     const url = this.ConfigService.getConfigParam('runStatusURL');
     const body = new HttpParams()
       .set('runId', this.ConfigService.getConfigParam('runId'))
       .set('status', JSON.stringify(this.runStatus));
     const options = {
       headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
     };
-    return this.http.post(url, body, options);
-  }
-
-  createRunStatus() {
-    const periods = this.ConfigService.getPeriods();
-    for (const period of periods) {
-      period.paused = false;
-    }
-    return {
-      runId: this.ConfigService.getConfigParam('runId'),
-      periods: periods
-    };
+    return this.http.post<void>(url, body, options);
   }
 
   /**
    * Update the paused value for a period in our run status
    * @param periodId the period id or -1 for all periods
-   * @param value whether the period is paused or not
+   * @param isPaused whether the period is paused or not
    */
-  updatePausedRunStatusValue(periodId, value) {
+  private updatePausedRunStatusValue(periodId: number, isPaused: boolean): void {
     if (this.runStatus == null) {
       this.runStatus = this.createRunStatus();
     }
     if (periodId === -1) {
-      this.updateAllPeriodsPausedValue(value);
+      this.updateAllPeriodsPausedValue(isPaused);
     } else {
-      this.updatePeriodPausedValue(periodId, value);
+      this.updatePeriodPausedValue(periodId, isPaused);
     }
   }
 
-  updateAllPeriodsPausedValue(value) {
+  private createRunStatus(): any {
+    const periods = this.ConfigService.getPeriods();
+    periods.forEach((period) => (period.paused = false));
+    return {
+      runId: this.ConfigService.getConfigParam('runId'),
+      periods: periods
+    };
+  }
+
+  private updateAllPeriodsPausedValue(isPaused: boolean): void {
     for (const period of this.runStatus.periods) {
-      period.paused = value;
+      period.paused = isPaused;
     }
   }
 
-  updatePeriodPausedValue(periodId, value) {
+  private updatePeriodPausedValue(periodId: number, isPaused: boolean): void {
     for (const period of this.runStatus.periods) {
       if (period.periodId === periodId) {
-        period.paused = value;
+        period.paused = isPaused;
       }
     }
   }

src/messages.xlf

@@ -13909,7 +13909,7 @@ Click &quot;Cancel&quot; to keep the invalid JSON open so you can fix it.</sourc
 Are you sure you want to proceed?</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/top-bar/top-bar.component.ts</context>
-          <context context-type="linenumber">105</context>
+          <context context-type="linenumber">101</context>
         </context-group>
       </trans-unit>
       <trans-unit id="2533bf42152adabc1092cc52494ab0cc211c350a" datatype="html">