Catch errors in account service.

src/accounts/account.service.ts

@@ -4,6 +4,7 @@ import { Http, Headers, RequestOptions, Response } from '@angular/http';
 import { Observable } from 'rxjs/Rx';
 
 import 'rxjs/add/operator/map';
+import 'rxjs/add/operator/catch';
 
 import { Logger } from "@nsalaun/ng-logger";
 
@@ -20,11 +21,13 @@ export class AccountService {
   query(): Observable<Account[]> {
     this.logger.log("Query accounts");
     return this.http.get(this.url)
+      .catch((res: Response) => Observable.throw(res.json()))
       .map((res: Response) => res.json());
   }
   
   get(id: number): Observable<Account> {
     return this.http.get(this.url + '/' + id)
+      .catch((res: Response) => Observable.throw(res.json()))
       .map((res: Response) => res.json());
   }
 
@@ -34,6 +37,7 @@ export class AccountService {
     let body = JSON.stringify(account);
 
     return this.http.post(this.url, body, options)
+      .catch((res: Response) => Observable.throw(res.json()))
       .map((res: Response) => res.json());
   }
 
@@ -43,6 +47,7 @@ export class AccountService {
     let body = JSON.stringify(account);
 
     return this.http.post(this.url + '/' + account.id, body, options)
+      .catch((res: Response) => Observable.throw(res.json()))
       .map((res: Response) => res.json());
   }
 
@@ -51,6 +56,7 @@ export class AccountService {
     let options = new RequestOptions({ headers: headers });
 
     return this.http.delete(this.url + '/' + account.id)
+      .catch((res: Response) => Observable.throw(res.json()))
       .map((res: Response) => res.json());
   }
 }