rename two times service class just once

move responsability providers configurration in setting service
refactoring

ng2-components/ng2-alfresco-core/src/services/AlfrescoAuthentication.service.ts

@@ -0,0 +1,160 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {Injectable} from '@angular/core';
+import {Observable} from 'rxjs/Rx';
+import {AlfrescoSettingsService} from './AlfrescoSettings.service';
+
+declare let AlfrescoApi: any;
+
+/**
+ * The AlfrescoAuthenticationService provide the login service and store the ticket in the localStorage
+ */
+@Injectable()
+export class AlfrescoAuthenticationService {
+
+    alfrescoApi: any;
+
+    /**A
+     * Constructor
+     * @param alfrescoSetting
+     */
+    constructor(public alfrescoSetting: AlfrescoSettingsService) {
+    }
+
+    /**
+     * The method return tru if the user is logged in
+     * @returns {boolean}
+     */
+    isLoggedIn(): boolean {
+        return !!this.getTicket();
+    }
+
+    /**
+     * Method to delegate to POST login
+     * @param username
+     * @param password
+     * @returns {Observable<R>|Observable<T>}
+     */
+    login(username: string, password: string) {
+
+        if (this.isLoggedIn()) {
+            this.alfrescoApi = new AlfrescoApi({
+                provider: this.alfrescoSetting.getProviders(),
+                ticket: this.getTicket(),
+                host: this.alfrescoSetting.ecmHost,
+                hostActiviti: this.alfrescoSetting.bpmHost
+            });
+
+            return Observable.create((observer) => {
+                observer.next({type: this.alfrescoSetting.getProviders(), ticket: this.getTicket()});
+                observer.complete();
+            }).catch(this.handleError);
+
+        } else {
+            return Observable.fromPromise(this.callApiLogin(username, password))
+                .map((response: any) => {
+                    this.saveTicket(response);
+                    return {type: this.alfrescoSetting.getProviders(), ticket: response};
+                })
+                .catch(this.handleError);
+        }
+    }
+
+    /**
+     * Initialize the alfresco Api with user and password end call the login method
+     * @param username
+     * @param password
+     * @returns {*|Observable<any>}
+     */
+    private callApiLogin(username: string, password: string) {
+
+        this.alfrescoApi = new AlfrescoApi({
+            provider: this.alfrescoSetting.getProviders(),
+            username: username,
+            password: password,
+            host: this.alfrescoSetting.ecmHost,
+            hostActiviti: this.alfrescoSetting.bpmHost
+        });
+
+        return this.alfrescoApi.login();
+    }
+
+    /**
+     * The method remove the ticket from the local storage
+     *
+     * @returns {Observable<R>|Observable<T>}
+     */
+    public logout() {
+        return Observable.fromPromise(this.callApiLogout())
+            .map(res => <any> res)
+            .do(response => {
+                this.removeTicket();
+                return response;
+            })
+            .catch(this.handleError);
+    }
+
+    /**
+     * Remove the login ticket from localStorage
+     */
+    public removeTicket(): void {
+        localStorage.removeItem(`ticket-${this.alfrescoSetting.getProviders()}`);
+    }
+
+    /**
+     *
+     * @returns {*|Observable<string>|Observable<any>|Promise<T>}
+     */
+    private callApiLogout(): Promise<any> {
+        if (this.alfrescoApi) {
+            return this.alfrescoApi.logout();
+        }
+    }
+
+    /**
+     * The method return the ticket stored in the localStorage
+     * @returns ticket
+     */
+    public getTicket(): string {
+        return localStorage.getItem(`ticket-${this.alfrescoSetting.getProviders()}`);
+    }
+
+    /**
+     * The method save the ticket in the localStorage
+     * @param ticket
+     */
+    public saveTicket(ticket): void {
+        if (ticket) {
+            localStorage.setItem(`ticket-${this.alfrescoSetting.getProviders()}`, ticket);
+        }
+    }
+
+    /**
+     * The method write the error in the console browser
+     * @param error
+     * @returns {ErrorObservable}
+     */
+    public handleError(error: any): Observable<any> {
+        console.error('Error when logging in', error);
+        return Observable.throw(error || 'Server error');
+    }
+
+    getAlfrescoApi(): any {
+        return this.alfrescoApi;
+    }
+}