feat(debug): Added ability to mock network

src/app/formations/service/formations.service.ts

@@ -16,11 +16,19 @@ export class FormationsService {
   };
   private formationsURL = environment.backendURL + '/formation';
 
+  private knownFormations: Map<string, Formation> = new Map<string, Formation>();
+  private formations: Formation[] = [];
+
   constructor(private readonly http: HttpClient,
               private readonly messageService: MessagesService) {
   }
 
   fetchFormations(): Observable<Formation[]> {
+    if (environment.mockNetwork) {
+      this.formations = JSON.parse(localStorage.getItem("formations") || '[]');
+      return of(this.formations);
+    }
+
     return this.http.get<Formation[]>(this.formationsURL, this.httpOptions)
       .pipe(
         catchError(this.handleError<Formation[]>('fetchFormations', []))
@@ -28,6 +36,12 @@ export class FormationsService {
   }
 
   storeFormation(formation: Formation): Observable<Formation> {
+    if (environment.mockNetwork) {
+      this.knownFormations.set(formation.id, formation);
+      this.storeFormationsInLocalStorage();
+      return of(formation);
+    }
+
     return this.http.put<Formation>(
       this.formationsURL + '/' + encodeURIComponent(formation.id),
       formation,
@@ -38,6 +52,12 @@ export class FormationsService {
   }
 
   deleteFormation(formation: Formation): Observable<ArrayBuffer> {
+    if (environment.mockNetwork) {
+      this.knownFormations.delete(formation.id);
+      this.storeFormationsInLocalStorage();
+      return of(new ArrayBuffer(0));
+    }
+
     return this.http.delete<ArrayBuffer>(
       this.formationsURL + '/' + encodeURIComponent(formation.id),
       this.httpOptions
@@ -46,6 +66,11 @@ export class FormationsService {
     )
   }
 
+  private storeFormationsInLocalStorage() {
+    this.formations = Array.from(this.knownFormations.values());
+    localStorage.setItem("formations", JSON.stringify(this.formations));
+  }
+
   /**
    * Handle Http operation that failed.
    * Let the app continue.

src/environments/environment.development.ts

@@ -3,5 +3,6 @@ export const environment = {
   backendURL: "http://localhost:12000/v1",
   keycloakURL: "https://id.2martens.de",
   realm: "2martens",
-  clientId: "tsw-timetable-frontend"
+  clientId: "tsw-timetable-frontend",
+  mockNetwork: true
 };

src/environments/environment.ts

@@ -2,7 +2,8 @@ export const environment = {
   backendURL: "https://api.2martens.de/v1",
   keycloakURL: "https://id.2martens.de",
   realm: "2martens",
-  clientId: "tsw-timetable-frontend"
+  clientId: "tsw-timetable-frontend",
+  mockNetwork: false
 };
 
 /*