From c5936e7db09d85eb50b06eacdc3a5f105aa9b7f9 Mon Sep 17 00:00:00 2001
From: Cilibiu Bogdan <pionnegru@users.noreply.github.com>
Date: Thu, 24 May 2018 12:15:42 +0300
Subject: [PATCH] revert changes (#3387)

---
 .../app/components/files/files.component.html |   1 -
 .../node-favorite.directive.spec.ts           | 214 +++++++++++++++++-
 .../directives/node-favorite.directive.ts     | 103 +++++++--
 3 files changed, 292 insertions(+), 26 deletions(-)

diff --git a/demo-shell/src/app/components/files/files.component.html b/demo-shell/src/app/components/files/files.component.html
index 732779563f..e73bbbca08 100644
--- a/demo-shell/src/app/components/files/files.component.html
+++ b/demo-shell/src/app/components/files/files.component.html
@@ -110,7 +110,6 @@
                     </button>
                     <button mat-icon-button
                             [disabled]="!documentList.selection.length"
-                            (toggle)="documentList.reload()"
                             #favorite="adfFavorite"
                             [adf-node-favorite]="documentList.selection"
                             matTooltip="{{ 'DOCUMENT_LIST.TOOLBAR.FAVORITES' | translate }}">
diff --git a/lib/core/directives/node-favorite.directive.spec.ts b/lib/core/directives/node-favorite.directive.spec.ts
index 8859ae7437..c719046634 100644
--- a/lib/core/directives/node-favorite.directive.spec.ts
+++ b/lib/core/directives/node-favorite.directive.spec.ts
@@ -15,6 +15,7 @@
  * limitations under the License.
  */
 
+import { SimpleChange } from '@angular/core';
 import { fakeAsync, tick } from '@angular/core/testing';
 import { NodeFavoriteDirective } from './node-favorite.directive';
 import { AlfrescoApiServiceMock } from '../mock/alfresco-api.service.mock';
@@ -31,7 +32,139 @@ describe('NodeFavoriteDirective', () => {
         directive = new NodeFavoriteDirective( alfrescoApiService);
     });
 
-    describe('toggle node as favorite', () => {
+    describe('selection input change event', () => {
+        it('should not call markFavoritesNodes() if input list is empty', () => {
+            spyOn(directive, 'markFavoritesNodes');
+
+            const change = new SimpleChange(null, [], true);
+            directive.ngOnChanges({'selection': change});
+
+            expect(directive.markFavoritesNodes).not.toHaveBeenCalledWith();
+        });
+
+        it('should call markFavoritesNodes() on input change', () => {
+            spyOn(directive, 'markFavoritesNodes');
+
+            let selection = [{ entry: { id: '1', name: 'name1' } }];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+
+            expect(directive.markFavoritesNodes).toHaveBeenCalledWith(selection);
+
+            selection = [
+                { entry: { id: '1', name: 'name1' } },
+                { entry: { id: '2', name: 'name2' } }
+            ];
+
+            change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+
+            expect(directive.markFavoritesNodes).toHaveBeenCalledWith(selection);
+        });
+
+        it('should reset favorites if selection is empty', fakeAsync(() => {
+            spyOn(alfrescoApiService.getInstance().core.favoritesApi, 'getFavorite').and.returnValue(Promise.resolve());
+
+            let selection = [
+                { entry: { id: '1', name: 'name1' } }
+            ];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+            tick();
+
+            expect(directive.hasFavorites()).toBe(true);
+
+            change = new SimpleChange(null, [], true);
+            directive.ngOnChanges({'selection': change});
+            tick();
+
+            expect(directive.hasFavorites()).toBe(false);
+        }));
+    });
+
+    describe('markFavoritesNodes()', () => {
+        let favoritesApiSpy;
+
+        beforeEach(() => {
+            favoritesApiSpy = spyOn(alfrescoApiService.getInstance().core.favoritesApi, 'getFavorite')
+                .and.returnValue(Promise.resolve());
+        });
+
+        it('should check each selected node if it is a favorite', fakeAsync(() => {
+            const selection = [
+                { entry: { id: '1', name: 'name1' } },
+                { entry: { id: '2', name: 'name2' } }
+            ];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+
+            tick();
+            expect(favoritesApiSpy.calls.count()).toBe(2);
+
+        }));
+
+        it('should not check processed node when another is unselected', fakeAsync(() => {
+            let selection = [
+                { entry: { id: '1', name: 'name1' } },
+                { entry: { id: '2', name: 'name2' } }
+            ];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+
+            tick();
+            expect(directive.favorites.length).toBe(2);
+            expect(favoritesApiSpy.calls.count()).toBe(2);
+
+            favoritesApiSpy.calls.reset();
+
+            selection = [
+                { entry: { id: '2', name: 'name2' } }
+            ];
+
+            change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+
+            tick();
+            expect(directive.favorites.length).toBe(1);
+            expect(favoritesApiSpy).not.toHaveBeenCalled();
+        }));
+
+        it('should not check processed nodes when another is selected', fakeAsync(() => {
+            let selection = [
+                { entry: { id: '1', name: 'name1' } },
+                { entry: { id: '2', name: 'name2' } }
+            ];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+
+            tick();
+
+            expect(directive.favorites.length).toBe(2);
+            expect(favoritesApiSpy.calls.count()).toBe(2);
+
+            favoritesApiSpy.calls.reset();
+
+            selection = [
+                { entry: { id: '1', name: 'name1' } },
+                { entry: { id: '2', name: 'name2' } },
+                { entry: { id: '3', name: 'name3' } }
+            ];
+
+            change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+            tick();
+
+            expect(directive.favorites.length).toBe(3);
+            expect(favoritesApiSpy.calls.count()).toBe(1);
+        }));
+    });
+
+    describe('toggleFavorite()', () => {
         let removeFavoriteSpy;
         let addFavoriteSpy;
 
@@ -46,7 +179,8 @@ describe('NodeFavoriteDirective', () => {
         });
 
         it('should not perform action if favorites collection is empty', fakeAsync(() => {
-            directive.selection = [];
+            let change = new SimpleChange(null, [], true);
+            directive.ngOnChanges({'selection': change});
             tick();
 
             directive.toggleFavorite();
@@ -58,7 +192,7 @@ describe('NodeFavoriteDirective', () => {
         it('should call addFavorite() if none is a favorite', () => {
             addFavoriteSpy.and.returnValue(Promise.resolve());
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: false } },
                 { entry: { id: '2', name: 'name2', isFavorite: false } }
             ];
@@ -71,7 +205,7 @@ describe('NodeFavoriteDirective', () => {
         it('should call addFavorite() on node that is not a favorite in selection', () => {
             addFavoriteSpy.and.returnValue(Promise.resolve());
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFile: true, isFolder: false, isFavorite: false } },
                 { entry: { id: '2', name: 'name2', isFile: true, isFolder: false, isFavorite: true } }
             ];
@@ -88,7 +222,7 @@ describe('NodeFavoriteDirective', () => {
         it('should call removeFavoriteSite() if all are favorites', () => {
             removeFavoriteSpy.and.returnValue(Promise.resolve());
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: true } },
                 { entry: { id: '2', name: 'name2', isFavorite: true } }
             ];
@@ -102,7 +236,7 @@ describe('NodeFavoriteDirective', () => {
             removeFavoriteSpy.and.returnValue(Promise.resolve());
             spyOn(directive.toggle, 'emit');
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: true } }
             ];
 
@@ -116,7 +250,7 @@ describe('NodeFavoriteDirective', () => {
             addFavoriteSpy.and.returnValue(Promise.resolve());
             spyOn(directive.toggle, 'emit');
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: false } }
             ];
 
@@ -130,7 +264,7 @@ describe('NodeFavoriteDirective', () => {
             removeFavoriteSpy.and.returnValue(Promise.reject('error'));
             spyOn(directive.error, 'emit');
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: true } }
             ];
 
@@ -144,7 +278,7 @@ describe('NodeFavoriteDirective', () => {
             addFavoriteSpy.and.returnValue(Promise.reject('error'));
             spyOn(directive.error, 'emit');
 
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: false } }
             ];
 
@@ -153,11 +287,67 @@ describe('NodeFavoriteDirective', () => {
 
             expect(directive.error.emit).toHaveBeenCalledWith('error');
         }));
+
+        it('should set isFavorites items to false', fakeAsync(() => {
+            removeFavoriteSpy.and.returnValue(Promise.resolve());
+
+            directive.favorites = [
+                { entry: { id: '1', name: 'name1', isFavorite: true } }
+            ];
+
+            directive.toggleFavorite();
+            tick();
+
+            expect(directive.hasFavorites()).toBe(false);
+        }));
+
+        it('should set isFavorites items to true', fakeAsync(() => {
+            addFavoriteSpy.and.returnValue(Promise.resolve());
+
+            directive.favorites = [
+                { entry: { id: '1', name: 'name1', isFavorite: false } }
+            ];
+
+            directive.toggleFavorite();
+            tick();
+
+            expect(directive.hasFavorites()).toBe(true);
+        }));
+    });
+
+    describe('getFavorite()', () => {
+        it('should process node as favorite', fakeAsync(() => {
+            spyOn(alfrescoApiService.getInstance().core.favoritesApi, 'getFavorite').and.returnValue(Promise.resolve());
+
+            const selection = [
+                { entry: { id: '1', name: 'name1' } }
+            ];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+            tick();
+
+            expect(directive.favorites[0].entry.isFavorite).toBe(true);
+        }));
+
+        it('should not process node as favorite', fakeAsync(() => {
+            spyOn(alfrescoApiService.getInstance().core.favoritesApi, 'getFavorite').and.returnValue(Promise.reject({}));
+
+            const selection = [
+                { entry: { id: '1', name: 'name1' } }
+            ];
+
+            let change = new SimpleChange(null, selection, true);
+            directive.ngOnChanges({'selection': change});
+            tick();
+
+            expect(directive.favorites[0].entry.isFavorite).toBe(false);
+        }));
     });
 
     describe('hasFavorites()', () => {
         it('should return false when favorites collection is empty', () => {
-            directive.selection = [];
+            directive.favorites = [];
 
             const hasFavorites = directive.hasFavorites();
 
@@ -165,7 +355,7 @@ describe('NodeFavoriteDirective', () => {
         });
 
         it('should return false when some are not favorite', () => {
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: true } },
                 { entry: { id: '2', name: 'name2', isFavorite: false } }
             ];
@@ -176,7 +366,7 @@ describe('NodeFavoriteDirective', () => {
         });
 
         it('return true when all are favorite', () => {
-            directive.selection = [
+            directive.favorites = [
                 { entry: { id: '1', name: 'name1', isFavorite: true } },
                 { entry: { id: '2', name: 'name2', isFavorite: true } }
             ];
diff --git a/lib/core/directives/node-favorite.directive.ts b/lib/core/directives/node-favorite.directive.ts
index 2d531f17b0..bb7fb05902 100644
--- a/lib/core/directives/node-favorite.directive.ts
+++ b/lib/core/directives/node-favorite.directive.ts
@@ -17,7 +17,7 @@
 
 /* tslint:disable:no-input-rename  */
 
-import { Directive, EventEmitter, HostListener, Input, Output } from '@angular/core';
+import { Directive, EventEmitter, HostListener, Input, OnChanges, Output } from '@angular/core';
 import { FavoriteBody, MinimalNodeEntity } from 'alfresco-js-api';
 import { Observable } from 'rxjs/Observable';
 import { AlfrescoApiService } from '../services/alfresco-api.service';
@@ -28,7 +28,9 @@ import 'rxjs/observable/forkJoin';
     selector: '[adf-node-favorite]',
     exportAs: 'adfFavorite'
 })
-export class NodeFavoriteDirective {
+export class NodeFavoriteDirective implements OnChanges {
+    favorites: any[] = [];
+
     /** Array of nodes to toggle as favorites. */
     @Input('adf-node-favorite')
     selection: MinimalNodeEntity[] = [];
@@ -47,15 +49,25 @@ export class NodeFavoriteDirective {
     constructor(private alfrescoApiService: AlfrescoApiService) {
     }
 
-    toggleFavorite() {
-        if (!this.selection.length) {
+    ngOnChanges(changes) {
+        if (!changes.selection.currentValue.length) {
+            this.favorites = [];
+
             return;
         }
 
-        const every = this.selection.every((selected) => selected.entry.isFavorite);
+        this.markFavoritesNodes(changes.selection.currentValue);
+    }
+
+    toggleFavorite() {
+        if (!this.favorites.length) {
+            return;
+        }
+
+        const every = this.favorites.every((selected) => selected.entry.isFavorite);
 
         if (every) {
-            const batch = this.selection.map((selected) => {
+            const batch = this.favorites.map((selected) => {
                 // shared files have nodeId
                 const id = selected.entry.nodeId || selected.entry.id;
 
@@ -63,30 +75,83 @@ export class NodeFavoriteDirective {
             });
 
             Observable.forkJoin(batch).subscribe(
-                () => this.toggle.emit(),
+                () => {
+                    this.favorites.map(selected => selected.entry.isFavorite = false);
+                    this.toggle.emit();
+                },
                 error => this.error.emit(error)
             );
         }
 
         if (!every) {
-            const notFavorite = this.selection.filter((node) => !node.entry.isFavorite);
+            const notFavorite = this.favorites.filter((node) => !node.entry.isFavorite);
             const body: FavoriteBody[] = notFavorite.map((node) => this.createFavoriteBody(node));
 
-            Observable
-                .fromPromise(this.alfrescoApiService.favoritesApi.addFavorite('-me-', <any> body))
+            Observable.fromPromise(this.alfrescoApiService.favoritesApi.addFavorite('-me-', <any> body))
                 .subscribe(
-                    () => this.toggle.emit(),
+                    () => {
+                        notFavorite.map(selected => selected.entry.isFavorite = true);
+                        this.toggle.emit();
+                    },
                     error => this.error.emit(error)
                 );
         }
     }
 
+    markFavoritesNodes(selection: MinimalNodeEntity[]) {
+        if (selection.length <= this.favorites.length) {
+            const newFavorites = this.reduce(this.favorites, selection);
+            this.favorites = newFavorites;
+        }
+
+        const result = this.diff(selection, this.favorites);
+        const batch = this.getProcessBatch(result);
+
+        Observable.forkJoin(batch).subscribe((data) => {
+            this.favorites.push(...data);
+        });
+    }
+
     hasFavorites(): boolean {
-        if (!this.selection.length) {
+        if (this.favorites && !this.favorites.length) {
             return false;
         }
 
-        return this.selection.every((selected) => selected.entry.isFavorite);
+        return this.favorites.every((selected) => selected.entry.isFavorite);
+    }
+
+    private getProcessBatch(selection): any[] {
+        return selection.map((selected: MinimalNodeEntity) => this.getFavorite(selected));
+    }
+
+    private getFavorite(selected: MinimalNodeEntity): Observable<any> {
+        const { name, isFile, isFolder } = selected.entry;
+        // shared files have nodeId
+        const id = (<any> selected).entry.nodeId || selected.entry.id;
+
+        const promise = this.alfrescoApiService.favoritesApi.getFavorite('-me-', id);
+
+        return Observable.from(promise)
+            .map(() => ({
+                entry: {
+                    id,
+                    isFolder,
+                    isFile,
+                    name,
+                    isFavorite: true
+                }
+            }))
+            .catch(() => {
+                return Observable.of({
+                    entry: {
+                        id,
+                        isFolder,
+                        isFile,
+                        name,
+                        isFavorite: false
+                    }
+                });
+            });
     }
 
     private createFavoriteBody(node): FavoriteBody {
@@ -111,4 +176,16 @@ export class NodeFavoriteDirective {
 
         return node.entry.isFile ? 'file' : 'folder';
     }
+
+    private diff(list, patch): any[] {
+        const ids = patch.map(item => item.entry.id);
+
+        return list.filter(item => ids.includes(item.entry.id) ? null : item);
+    }
+
+    private reduce(patch, comparator): any[] {
+        const ids = comparator.map(item => item.entry.id);
+
+        return patch.filter(item => ids.includes(item.entry.id) ? item : null);
+    }
 }