Implement Request isSpielSession and toggle buttons if game exist

src/app/dao/TabuMiddlewareService.ts

@@ -26,6 +26,11 @@ export class TabuMiddlewareService {
     return this.request('GET', `${environment.tabuMiddlewareURL}SpielSession`);
   }
 
+  isSpielSession(req: any): Promise<any> {
+    console.log('json: ', req);
+    return this.request('POST', `${environment.tabuMiddlewareURL}isSpielSession`, req);
+  }
+
   addSpielSession(event: any): Promise<any> {
     return this.request('POST', `${environment.tabuMiddlewareURL}addSpielSession`, event);
   }

src/app/select-game/select-game.component.html

@@ -18,8 +18,8 @@
       </form>
     </mat-card-content>
     <mat-card-actions>
-      <button [disabled]="buttonsDisabled" mat-raised-button color="primary" (click)="getSpielSessions()">Spiel erstellen</button>
-      <button [disabled]="buttonsDisabled" mat-raised-button color="primary" (click)="joinGame()">Spiel beitreten</button>
+      <button [disabled]="buttonCreateGameDisabled" mat-raised-button color="primary" (click)="getSpielSessions()">Spiel erstellen</button>
+      <button [disabled]="buttonJoinGameDisabled" mat-raised-button color="primary" (click)="joinGame()">Spiel beitreten</button>
     </mat-card-actions>
   </mat-card>
 </div>

src/app/select-game/select-game.component.ts

@@ -9,7 +9,8 @@ import {TabuMiddlewareService} from '../dao/TabuMiddlewareService';
 })
 export class SelectGameComponent implements OnInit {
 
-  buttonsDisabled = true;
+  buttonCreateGameDisabled = true;
+  buttonJoinGameDisabled = true;
   constructor(private router: Router,
               private server: TabuMiddlewareService) { }
 
@@ -36,7 +37,23 @@ export class SelectGameComponent implements OnInit {
   }
 
   checkSpielname(spielname: string): void {
-    console.log(spielname)
-    this.buttonsDisabled = spielname.length === 0;
+    if (spielname.length === 0) {
+      this.buttonCreateGameDisabled = true;
+      this.buttonJoinGameDisabled = true;
+      return;
+    } else {
+      console.log(spielname);
+      this.server.isSpielSession({"spielname": '' + spielname + ''}).then(value => {
+        console.log('Response: ', value.status);
+        const status = JSON.parse(value.status);
+        if (status) {
+          this.buttonCreateGameDisabled = true;
+          this.buttonJoinGameDisabled = false;
+        } else {
+          this.buttonCreateGameDisabled = false;
+          this.buttonJoinGameDisabled = true;
+        }
+      });
+    }
   }
 }