Use JS API to fetch node info and set related attached content

- Add new service
 - Remove old HTTP-based methods from FormService
 - Refactoring

Refs #621

ng2-components/ng2-activiti-form/src/components/activiti-form.component.spec.ts

@@ -40,7 +40,7 @@ describe('ActivitiForm', () => {
         ]);
         window['componentHandler'] = componentHandler;
 
-        formService = new FormService(null, null, null, null);
+        formService = new FormService(null, null);
         formComponent = new ActivitiForm(formService, visibilityService, null, null);
     });
 

ng2-components/ng2-activiti-form/src/components/activiti-form.component.ts

@@ -26,6 +26,7 @@ import {
 import { MATERIAL_DESIGN_DIRECTIVES } from 'ng2-alfresco-core';
 import { EcmModelService } from './../services/ecm-model.service';
 import { FormService } from './../services/form.service';
+import { ActivitiAlfrescoContentService } from './../services/activiti-alfresco.service';
 import { NodeService } from './../services/node.service';
 import { FormModel, FormOutcomeModel, FormValues, FormFieldModel, FormOutcomeEvent } from './widgets/core/index';
 
@@ -85,7 +86,7 @@ import { WidgetVisibilityService }  from './../services/widget-visibility.servic
     templateUrl: './activiti-form.component.html',
     styleUrls: ['./activiti-form.component.css'],
     directives: [MATERIAL_DESIGN_DIRECTIVES, ContainerWidget, TabsWidget],
-    providers: [EcmModelService, FormService, WidgetVisibilityService, NodeService]
+    providers: [EcmModelService, FormService, ActivitiAlfrescoContentService, WidgetVisibilityService, NodeService]
 })
 export class ActivitiForm implements OnInit, AfterViewChecked, OnChanges {
 

ng2-components/ng2-activiti-form/src/components/widgets/attach/attach.widget.ts

@@ -17,7 +17,7 @@
 
 import { Component, OnInit, Input, Output, EventEmitter, ViewChild } from '@angular/core';
 import { WidgetComponent } from './../widget.component';
-import { FormService } from '../../../services/form.service';
+import { ActivitiAlfrescoContentService } from '../../../services/activiti-alfresco.service';
 import { ExternalContent } from '../core/external-content';
 import { ExternalContentLink } from '../core/external-content-link';
 import { FormFieldModel } from '../core/form-field.model';
@@ -51,7 +51,7 @@ export class AttachWidget extends WidgetComponent implements OnInit {
     @ViewChild('dialog')
     dialog: any;
 
-    constructor(private formService: FormService) {
+    constructor(private contentService: ActivitiAlfrescoContentService) {
         super();
     }
 
@@ -94,7 +94,7 @@ export class AttachWidget extends WidgetComponent implements OnInit {
 
     private getExternalContentNodes() {
 
-        this.formService.getAlfrescoNodes(this.selectedFolderAccountId, this.selectedFolderPathId)
+        this.contentService.getAlfrescoNodes(this.selectedFolderAccountId, this.selectedFolderPathId)
             .subscribe(
                 (nodes) => {
                     this.selectedFolderNodes = nodes;
@@ -103,7 +103,7 @@ export class AttachWidget extends WidgetComponent implements OnInit {
     }
 
     selectFile(node: ExternalContent, $event: any) {
-        this.formService.linkAlfrescoNode(this.selectedFolderAccountId, node, this.selectedFolderSiteId).subscribe(
+        this.contentService.linkAlfrescoNode(this.selectedFolderAccountId, node, this.selectedFolderSiteId).subscribe(
             (link: ExternalContentLink) => {
                 this.selectedFile = node;
                 this.field.value = [link];

ng2-components/ng2-activiti-form/src/components/widgets/dropdown/dropdown.widget.spec.ts

@@ -28,7 +28,7 @@ describe('DropdownWidget', () => {
     let widget: DropdownWidget;
 
     beforeEach(() => {
-        formService = new FormService(null, null, null, null);
+        formService = new FormService(null, null);
         widget = new DropdownWidget(formService);
         widget.field = new FormFieldModel(new FormModel());
     });

ng2-components/ng2-activiti-form/src/components/widgets/typeahead/typeahead.widget.spec.ts

@@ -29,7 +29,7 @@ describe('TypeaheadWidget', () => {
     let widget: TypeaheadWidget;
 
     beforeEach(() => {
-        formService = new FormService(null, null, null, null);
+        formService = new FormService(null, null);
         widget = new TypeaheadWidget(formService);
         widget.field = new FormFieldModel(new FormModel());
     });

ng2-components/ng2-activiti-form/src/services/activiti-alfresco.service.ts

@@ -0,0 +1,90 @@
+/*!
+ * @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 { AlfrescoAuthenticationService } from 'ng2-alfresco-core';
+import { ExternalContent } from '../components/widgets/core/external-content';
+import { ExternalContentLink } from '../components/widgets/core/external-content-link';
+
+@Injectable()
+export class ActivitiAlfrescoContentService {
+
+    static UNKNOWN_ERROR_MESSAGE: string = 'Unknown error';
+    static GENERIC_ERROR_MESSAGE: string = 'Server error';
+
+    constructor(private authService: AlfrescoAuthenticationService) {
+    }
+
+    /**
+     * Returns a list of child nodes below the specified folder
+     *
+     * @param accountId
+     * @param folderId
+     * @returns {null}
+     */
+    getAlfrescoNodes(accountId: string, folderId: string): Observable<[ExternalContent]> {
+        let apiService: any = this.authService.getAlfrescoApi();
+        let accountShortId = accountId.replace('alfresco-', '');
+        return Observable.fromPromise(apiService.activiti.alfrescoApi.getContentInFolder(accountShortId, folderId))
+            .map(this.toJsonArray)
+            .catch(this.handleError);
+    }
+
+    /**
+     * Returns a list of child nodes below the specified folder
+     *
+     * @param accountId
+     * @param node
+     * @param siteId
+     * @returns {null}
+     */
+    linkAlfrescoNode(accountId: string, node: ExternalContent, siteId: string): Observable<ExternalContentLink> {
+        let apiService: any = this.authService.getAlfrescoApi();
+        return Observable.fromPromise(apiService.activiti.contentApi.createTemporaryRelatedContent({
+            link: true,
+            name: node.title,
+            simpleType: node.simpleType,
+            source: accountId,
+            sourceId: node.id + '@' + siteId
+        })).map(this.toJson).catch(this.handleError);
+    }
+
+    toJson(res: any) {
+        if (res) {
+            return res || {};
+        }
+        return {};
+    }
+
+    toJsonArray(res: any) {
+        if (res) {
+            return res.data || [];
+        }
+        return [];
+    }
+
+    handleError(error: any): Observable<any> {
+        let errMsg = ActivitiAlfrescoContentService.UNKNOWN_ERROR_MESSAGE;
+        if (error) {
+            errMsg = (error.message) ? error.message :
+                error.status ? `${error.status} - ${error.statusText}` : ActivitiAlfrescoContentService.GENERIC_ERROR_MESSAGE;
+        }
+        console.error(errMsg);
+        return Observable.throw(errMsg);
+    }
+}

ng2-components/ng2-activiti-form/src/services/form.service.ts

@@ -18,16 +18,13 @@
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs/Rx';
 import 'rxjs/add/operator/map';
-import { AlfrescoApiService, AlfrescoSettingsService } from 'ng2-alfresco-core';
+import { AlfrescoApiService } from 'ng2-alfresco-core';
 import { FormValues } from './../components/widgets/core/index';
 import { FormDefinitionModel } from '../models/form-definition.model';
 import { EcmModelService } from './ecm-model.service';
 import { GroupModel } from './../components/widgets/core/group.model';
 import { GroupUserModel } from './../components/widgets/core/group-user.model';
-import { ExternalContent } from '../components/widgets/core/external-content';
-import { ExternalContentLink } from '../components/widgets/core/external-content-link';
 
-import {Http, Response, RequestOptions, Headers} from '@angular/http';
 @Injectable()
 export class FormService {
 
@@ -35,8 +32,7 @@ export class FormService {
     static GENERIC_ERROR_MESSAGE: string = 'Server error';
 
     constructor(private ecmModelService: EcmModelService,
-                private apiService: AlfrescoApiService,
-                private alfrescoSettingsService: AlfrescoSettingsService, private http: Http) {
+                private apiService: AlfrescoApiService) {
     }
 
     /**
@@ -278,67 +274,6 @@ export class FormService {
         });
     }
 
-    /**
-     * Returns a list of child nodes below the specified folder
-     *
-     * @param accountId
-     * @param nodeId
-     * @returns {null}
-     */
-    getAlfrescoNodes(accountId: string, nodeId: string): Observable<[ExternalContent]> {
-        let accountPath = accountId.replace('-', '/');
-        let headers = new Headers();
-        headers.append('Authorization', this.authService.getTicketBpm());
-        return this.http.get(
-                `${this.alfrescoSettingsService.bpmHost}/activiti-app/` +
-                `app/rest/integration/${accountPath}/folders/${nodeId}/content`,
-            new RequestOptions({
-                headers: headers,
-                withCredentials: true
-            }))
-            .map(this.extractData)
-            .catch(this.handleError);
-    }
-
-    /**
-     * Returns a list of child nodes below the specified folder
-     *
-     * @param accountId
-     * @param node
-     * @param siteId
-     * @returns {null}
-     */
-    linkAlfrescoNode(accountId: string, node: ExternalContent, siteId: string): Observable<ExternalContentLink> {
-        let headers = new Headers();
-        headers.append('Content-Type', 'application/json');
-        headers.append('Authorization', this.authService.getTicketBpm());
-        return this.http.post(
-            `${this.alfrescoSettingsService.bpmHost}/activiti-app/app/rest/content`,
-            JSON.stringify({
-                link: true,
-                name: node.title,
-                simpleType: node.simpleType,
-                source: accountId,
-                sourceId: node.id + '@' + siteId
-            }),
-            new RequestOptions({
-                headers: headers,
-                withCredentials: true
-            }))
-            .map(this.extractBody)
-            .catch(this.handleError);
-    }
-
-    private extractBody(res: Response) {
-        let body = res.json();
-        return body || { };
-    }
-
-    private extractData(res: Response) {
-        let body = res.json();
-        return body.data || { };
-    }
-
     getFormId(res: any) {
         let result = null;