[ADF-2567] delete a version (#3151)

* configuration support for version manager

* checkbox for version deletion demo

* i18n support for version manager

* deleting versions

* confirmation dialog for version deletion

* readme update

* update schema

* update code as per code review

* update i18n resources for demo shell

* unit tests

demo-shell/resources/i18n/en.json

@@ -5,6 +5,11 @@
       "COMMENTS": "Comments",
       "PROPERTIES": "Properties",
       "VERSIONS": "Versions"
+    },
+    "ADF_VERSION_MANAGER": {
+      "ALLOW_DELETE": "Allow delete",
+      "SHOW_COMMENTS" : "Show comments on versions",
+      "ALLOW_DOWNLOAD" :"Enable version download"
     }
   },
     "title": "Welcome",
@@ -67,11 +72,9 @@
         "CUSTOM_FILTER" :"Custom extensions filter",
         "MAX_SIZE" : "Max size filter",
         "ENABLE_VERSIONING" :"Enable versioning",
-        "ENABLE_VERSION_DOWNLOAD" :"Enable version download",
         "DESCRIPTION_UPLOAD" : "Enable upload",
         "ENABLE_INFINITE_SCROLL":"Enable Infinite Scrolling",
         "MULTISELECT_DESCRIPTION" : "Use Cmd (Mac) or Ctrl (Windows) to toggle selection of multiple items",
-        "SHOW_VERSION_COMMENTS" : "Show comments on versions",
         "RECENT" : {
           "EMPTY_STATE": {
             "TITLE": "Recent is empty"

demo-shell/src/app.config.json

@@ -484,5 +484,10 @@
                 "exif:exif": "*"
             }
         }
+    },
+    "adf-version-manager": {
+      "allowComments": true,
+      "allowDownload": true,
+      "allowDelete": true
     }
 }

demo-shell/src/app/components/files/files.component.html

@@ -362,7 +362,8 @@
                         <adf-version-manager
                             [node]="documentList.selection[0].entry"
                             [showComments]="showVersionComments"
-                            [enableDownload]="enableVersionDownload">
+                            [allowDownload]="allowVersionDownload"
+                            [allowDelete]="allowVersionDelete">
                         </adf-version-manager>
                     </ng-container>
                 </ng-container>
@@ -437,23 +438,32 @@
         </section>
 
         <section>
-            <mat-slide-toggle [color]="'primary'" [(ngModel)]="versioning">{{'DOCUMENT_LIST.ENABLE_VERSIONING' |
-                translate}}
+            <mat-slide-toggle [color]="'primary'" [(ngModel)]="versioning">
+                {{'DOCUMENT_LIST.ENABLE_VERSIONING' | translate}}
             </mat-slide-toggle>
         </section>
 
         <section>
-            <mat-slide-toggle [color]="'primary'" [(ngModel)]="infiniteScrolling">
+            <mat-slide-toggle color="primary" [(ngModel)]="infiniteScrolling">
                 {{'DOCUMENT_LIST.ENABLE_INFINITE_SCROLL' | translate}}
             </mat-slide-toggle>
         </section>
 
         <section>
-            <mat-slide-toggle [color]="'primary'" [(ngModel)]="showVersionComments">
-                {{'DOCUMENT_LIST.SHOW_VERSION_COMMENTS' | translate}}
+            <mat-slide-toggle color="primary" [(ngModel)]="showVersionComments">
+                {{'APP.ADF_VERSION_MANAGER.SHOW_COMMENTS' | translate}}
             </mat-slide-toggle>
-            <mat-slide-toggle [color]="'primary'" [(ngModel)]="enableVersionDownload">
-                {{'DOCUMENT_LIST.ENABLE_VERSION_DOWNLOAD' | translate}}
+        </section>
+
+        <section>
+            <mat-slide-toggle color="primary" [(ngModel)]="allowVersionDownload">
+                {{'APP.ADF_VERSION_MANAGER.ALLOW_DOWNLOAD' | translate}}
+            </mat-slide-toggle>
+        </section>
+
+        <section>
+            <mat-slide-toggle color="primary" [(ngModel)]="allowVersionDelete">
+                {{'APP.ADF_VERSION_MANAGER.ALLOW_DELETE' | translate}}
             </mat-slide-toggle>
         </section>
 

demo-shell/src/app/components/files/files.component.ts

@@ -103,7 +103,10 @@ export class FilesComponent implements OnInit, OnChanges, OnDestroy {
     versioning = false;
 
     @Input()
-    enableVersionDownload = true;
+    allowVersionDownload = true;
+
+    @Input()
+    allowVersionDelete = true;
 
     @Input()
     acceptedFilesType = '.jpg,.pdf,.js';
@@ -365,11 +368,11 @@ export class FilesComponent implements OnInit, OnChanges, OnDestroy {
     onManageVersions(event) {
         const contentEntry = event.value.entry;
         const showComments = this.showVersionComments;
-        const enableDownload = this.enableVersionDownload;
+        const allowDownload = this.allowVersionDownload;
 
         if (this.contentService.hasPermission(contentEntry, 'update')) {
             this.dialog.open(VersionManagerDialogAdapterComponent, {
-                data: { contentEntry, showComments, enableDownload },
+                data: { contentEntry, showComments, allowDownload },
                 panelClass: 'adf-version-manager-dialog',
                 width: '630px'
             });

demo-shell/src/app/components/files/version-manager-dialog-adapter.component.html

@@ -1,6 +1,6 @@
 <header mat-dialog-title>{{'VERSION.DIALOG.TITLE' | translate}}</header>
 <section mat-dialog-content>
-    <adf-version-manager [node]="contentEntry" [enableDownload]="enableDownload" [showComments]="showComments" (uploadError)="uploadError($event)"></adf-version-manager>
+    <adf-version-manager [node]="contentEntry" [allowDownload]="allowDownload" [showComments]="showComments" (uploadError)="uploadError($event)"></adf-version-manager>
 </section>
 <footer mat-dialog-actions fxLayout="row" fxLayoutAlign="end center">
     <button mat-button (click)="close()">{{'VERSION.DIALOG.CLOSE' | translate}}</button>

demo-shell/src/app/components/files/version-manager-dialog-adapter.component.ts

@@ -28,14 +28,14 @@ export class VersionManagerDialogAdapterComponent {
 
     public contentEntry: MinimalNodeEntryEntity;
     showComments = true;
-    enableDownload = true;
+    allowDownload = true;
 
     constructor(@Inject(MAT_DIALOG_DATA) data: any,
                 private snackBar: MatSnackBar,
                 private containingDialog?: MatDialogRef<VersionManagerDialogAdapterComponent>) {
         this.contentEntry = data.contentEntry;
         this.showComments = data.hasOwnProperty('showComments') ? data.showComments : this.showComments;
-        this.enableDownload = data.hasOwnProperty('enableDownload') ? data.enableDownload : this.enableDownload;
+        this.allowDownload = data.hasOwnProperty('allowDownload') ? data.enableDownload : this.allowDownload;
     }
 
     uploadError(errorMessage: string) {

docs/content-services/version-list.component.md

@@ -18,7 +18,8 @@ Displays the version history of a node in a Version Manager component
 | ---- | ---- | ------------- | ----------- |
 | id | `string` |  | ID of the node whose version history you want to display.  |
 | showComments | `boolean` | true |  Set this to false if version comments should not be displayed.  |
-| enableDownload | `boolean` | true |  Configuration to enable/disable downloads of previous versions. Set this to false to not show the menu item for version download.  |
+| allowDownload | `boolean` | true |  Toggles downloads of previous versions. Set this to false to not show the menu item for version download.  |
+| allowDelete | `boolean` | true | Toggles the version delete feature. |
 
 ## Details
 

lib/content-services/content.module.ts

@@ -54,19 +54,19 @@ import { SearchQueryBuilderService } from './search/search-query-builder.service
         WebScriptModule,
         FormsModule,
         ReactiveFormsModule,
+        DialogModule,
         SearchModule,
         DocumentListModule,
         UploadModule,
         MaterialModule,
         SitesDropdownModule,
         BreadcrumbModule,
-        VersionManagerModule,
         ContentNodeSelectorModule,
         ContentMetadataModule,
-        DialogModule,
         FolderDirectiveModule,
         ContentDirectiveModule,
-        PermissionManagerModule
+        PermissionManagerModule,
+        VersionManagerModule
     ],
     providers: [
         {
@@ -95,13 +95,13 @@ import { SearchQueryBuilderService } from './search/search-query-builder.service
         SearchModule,
         SitesDropdownModule,
         BreadcrumbModule,
-        VersionManagerModule,
         ContentNodeSelectorModule,
         ContentMetadataModule,
         DialogModule,
         FolderDirectiveModule,
         ContentDirectiveModule,
-        PermissionManagerModule
+        PermissionManagerModule,
+        VersionManagerModule
     ]
 })
 export class ContentModule {

lib/content-services/dialogs/confirm.dialog.ts

@@ -0,0 +1,58 @@
+/*!
+ * @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 { Component, Inject, ViewEncapsulation } from '@angular/core';
+import { MAT_DIALOG_DATA } from '@angular/material';
+
+@Component({
+    selector: 'adf-confirm-dialog',
+    template: `
+        <h1 mat-dialog-title>{{ title | translate }}</h1>
+        <mat-dialog-content>
+            <p>{{ message | translate }}</p>
+        </mat-dialog-content>
+        <mat-dialog-actions>
+            <span class="spacer"></span>
+            <button mat-button [mat-dialog-close]="true">{{ yesLabel | translate }}</button>
+            <button mat-button [mat-dialog-close]="false" cdkFocusInitial>{{ noLabel | translate }}</button>
+        </mat-dialog-actions>
+    `,
+    styles: [`
+        .spacer { flex: 1 1 auto; }
+
+        .adf-confirm-dialog .mat-dialog-actions .mat-button-wrapper {
+            text-transform: uppercase;
+        }
+    `],
+    host: { 'class': 'adf-confirm-dialog' },
+    encapsulation: ViewEncapsulation.None
+})
+export class ConfirmDialogComponent {
+
+    title: string;
+    message: string;
+    yesLabel: string;
+    noLabel: string;
+
+    constructor(@Inject(MAT_DIALOG_DATA) data) {
+        data = data || {};
+        this.title = data.title || 'ADF_CONFIRM_DIALOG.CONFIRM';
+        this.message = data.message || 'ADF_CONFIRM_DIALOG.MESSAGE';
+        this.yesLabel = data.yesLabel || 'ADF_CONFIRM_DIALOG.YES_LABEL';
+        this.noLabel = data.noLabel || 'ADF_CONFIRM_DIALOG.NO_LABEL';
+    }
+}

lib/content-services/dialogs/dialog.module.ts

@@ -23,6 +23,7 @@ import { DownloadZipDialogComponent } from './download-zip.dialog';
 import { FolderDialogComponent } from './folder.dialog';
 import { NodeLockDialogComponent } from './node-lock.dialog';
 import { ShareDialogComponent } from './share.dialog';
+import { ConfirmDialogComponent } from './confirm.dialog';
 
 import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { TranslateModule } from '@ngx-translate/core';
@@ -46,19 +47,22 @@ import { MatMomentDatetimeModule } from '@mat-datetimepicker/moment';
         DownloadZipDialogComponent,
         FolderDialogComponent,
         NodeLockDialogComponent,
-        ShareDialogComponent
+        ShareDialogComponent,
+        ConfirmDialogComponent
     ],
     exports: [
         DownloadZipDialogComponent,
         FolderDialogComponent,
         NodeLockDialogComponent,
-        ShareDialogComponent
+        ShareDialogComponent,
+        ConfirmDialogComponent
     ],
     entryComponents: [
         DownloadZipDialogComponent,
         FolderDialogComponent,
         NodeLockDialogComponent,
-        ShareDialogComponent
+        ShareDialogComponent,
+        ConfirmDialogComponent
     ]
 })
 export class DialogModule {}

lib/content-services/dialogs/public-api.ts

@@ -19,3 +19,4 @@ export * from './download-zip.dialog';
 export * from './folder.dialog';
 export * from './node-lock.dialog';
 export * from './share.dialog';
+export * from './confirm.dialog';

lib/content-services/i18n/en.json

@@ -1,4 +1,27 @@
 {
+  "ADF_VERSION_LIST": {
+    "ACTIONS": {
+      "RESTORE": "Restore",
+      "DELETE": "Delete",
+      "DOWNLOAD": "Download",
+      "UPLOAD": {
+        "TITLE": "Upload new version",
+        "TOOLTIP": "Restriction: upload file with the same name to create a new version of it"
+      }
+    },
+    "CONFIRM_DELETE": {
+      "TITLE": "Delete version",
+      "MESSAGE": "Deleted file versions can not be restored. Delete?",
+      "YES_LABEL": "Yes",
+      "NO_LABEL": "No"
+    }
+  },
+  "ADF_CONFIRM_DIALOG": {
+    "TITLE": "Confirm",
+    "ACTION": "Do you want to proceed?",
+    "YES_LABEL": "Yes",
+    "NO_LABEL": "No"
+  },
   "ADF-DOCUMENT-LIST": {
     "EMPTY": {
       "HEADER": "This folder is empty"

lib/content-services/version-manager/version-list.component.html

@@ -9,8 +9,21 @@
         <p mat-line class="adf-version-list-item-comment" *ngIf="showComments">{{version.entry.versionComment}}</p>
 
         <mat-menu #versionMenu="matMenu" yPosition="below" xPosition="before">
-            <button mat-menu-item (click)="restore(version.entry.id)"> Restore </button>
-            <button mat-menu-item (click)="downloadVersion(version.entry.id)" title="Download" *ngIf="enableDownload"> Download </button>
+            <button
+                mat-menu-item
+                (click)="restore(version.entry.id)">
+                {{ 'ADF_VERSION_LIST.ACTIONS.RESTORE' | translate }}
+            </button>
+            <button *ngIf="allowDownload"
+                mat-menu-item
+                (click)="downloadVersion(version.entry.id)">
+                {{ 'ADF_VERSION_LIST.ACTIONS.DOWNLOAD' | translate }}
+            </button>
+            <button *ngIf="allowDelete"
+                (click)="deleteVersion(version.entry.id)"
+                mat-menu-item>
+                {{ 'ADF_VERSION_LIST.ACTIONS.DELETE' | translate }}
+            </button>
         </mat-menu>
 
         <button mat-icon-button [matMenuTriggerFor]="versionMenu">

lib/content-services/version-manager/version-list.component.spec.ts

@@ -16,15 +16,18 @@
  */
 
 import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { async, ComponentFixture, TestBed, tick, fakeAsync } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { VersionListComponent } from './version-list.component';
 import { AlfrescoApiService } from '@alfresco/adf-core';
+import { MatDialog } from '@angular/material';
+import { Observable } from 'rxjs/Observable';
 
 describe('VersionListComponent', () => {
     let component: VersionListComponent;
     let fixture: ComponentFixture<VersionListComponent>;
     let alfrescoApiService: AlfrescoApiService;
+    let dialog: MatDialog;
 
     const nodeId = 'test-id';
     const versionId = '1.0';
@@ -46,6 +49,7 @@ describe('VersionListComponent', () => {
     beforeEach(() => {
         fixture = TestBed.createComponent(VersionListComponent);
         alfrescoApiService = TestBed.get(AlfrescoApiService);
+        dialog = TestBed.get(MatDialog);
 
         component = fixture.componentInstance;
         component.id = nodeId;
@@ -53,6 +57,73 @@ describe('VersionListComponent', () => {
         spyOn(component, 'downloadContent').and.stub();
     });
 
+    it('should raise confirmation dialog on delete', () => {
+        spyOn(dialog, 'open').and.returnValue({
+            afterClosed() {
+                return Observable.of(false)
+            }
+        });
+
+        component.allowDelete = true;
+        component.deleteVersion('1');
+
+        expect(dialog.open).toHaveBeenCalled();
+    });
+
+    it('should delete the version if user confirms', () => {
+        spyOn(dialog, 'open').and.returnValue({
+            afterClosed() {
+                return Observable.of(true)
+            }
+        });
+
+        spyOn(alfrescoApiService.versionsApi, 'deleteVersion').and.returnValue(Promise.resolve(true));
+
+        component.id = '0';
+        component.allowDelete = true;
+        component.deleteVersion('1');
+
+        expect(dialog.open).toHaveBeenCalled();
+        expect(alfrescoApiService.versionsApi.deleteVersion).toHaveBeenCalledWith('0', '1');
+    });
+
+    it('should not delete version if user rejects', () => {
+        spyOn(dialog, 'open').and.returnValue({
+            afterClosed() {
+                return Observable.of(false)
+            }
+        });
+
+        spyOn(alfrescoApiService.versionsApi, 'deleteVersion').and.returnValue(Promise.resolve(true));
+
+        component.id = '0';
+        component.allowDelete = true;
+        component.deleteVersion('1');
+
+        expect(dialog.open).toHaveBeenCalled();
+        expect(alfrescoApiService.versionsApi.deleteVersion).not.toHaveBeenCalled();
+    });
+
+    it('should reload list once a version is deleted', fakeAsync(() => {
+        spyOn(component, 'loadVersionHistory').and.stub();
+
+        spyOn(dialog, 'open').and.returnValue({
+            afterClosed() {
+                return Observable.of(true)
+            }
+        });
+
+        spyOn(alfrescoApiService.versionsApi, 'deleteVersion').and.returnValue(Promise.resolve(true));
+
+        component.id = '0';
+        component.allowDelete = true;
+        component.deleteVersion('1');
+
+        tick()
+
+        expect(component.loadVersionHistory).toHaveBeenCalled();
+    }));
+
     describe('Version history fetching', () => {
 
         it('should use loading bar', () => {
@@ -149,7 +220,7 @@ describe('VersionListComponent', () => {
                 .callFake(() => Promise.resolve({ list: { entries: [ versionEntry ] }}));
             const spyOnDownload = spyOn(alfrescoApiService.contentApi, 'getContentUrl').and.stub();
 
-            component.enableDownload = false;
+            component.allowDownload = false;
             fixture.detectChanges();
 
             component.downloadVersion('1.0');

lib/content-services/version-manager/version-list.component.ts

@@ -18,6 +18,8 @@
 import { AlfrescoApiService } from '@alfresco/adf-core';
 import { Component, Input, OnChanges, ViewEncapsulation } from '@angular/core';
 import { VersionsApi } from 'alfresco-js-api';
+import { MatDialog } from '@angular/material';
+import { ConfirmDialogComponent } from '../dialogs/confirm.dialog';
 
 @Component({
     selector: 'adf-version-list',
@@ -32,20 +34,24 @@ export class VersionListComponent implements OnChanges {
 
     private versionsApi: VersionsApi;
     versions: any = [];
-    isLoading: boolean = true;
+    isLoading = true;
 
     /** ID of the node whose version history you want to display. */
     @Input()
     id: string;
 
     @Input()
-    showComments: boolean = true;
+    showComments = true;
 
     /** Enable/disable possibility to download a version of the current node. */
     @Input()
-    enableDownload: boolean = true;
+    allowDownload = true;
 
-    constructor(private alfrescoApi: AlfrescoApiService) {
+    /** Toggle version deletion feature.  */
+    @Input()
+    allowDelete = true;
+
+    constructor(private alfrescoApi: AlfrescoApiService, private dialog: MatDialog) {
         this.versionsApi = this.alfrescoApi.versionsApi;
     }
 
@@ -67,13 +73,37 @@ export class VersionListComponent implements OnChanges {
         });
     }
 
-    downloadVersion(versionId) {
-        if (this.enableDownload) {
+    downloadVersion(versionId: string) {
+        if (this.allowDownload) {
             const versionDownloadUrl = this.getVersionContentUrl(this.id, versionId, true);
             this.downloadContent(versionDownloadUrl);
         }
     }
 
+    deleteVersion(versionId: string) {
+        if (this.allowDelete) {
+            const dialogRef = this.dialog.open(ConfirmDialogComponent, {
+                data: {
+                    title: 'ADF_VERSION_LIST.CONFIRM_DELETE.TITLE',
+                    message: 'ADF_VERSION_LIST.CONFIRM_DELETE.MESSAGE',
+                    yesLabel: 'ADF_VERSION_LIST.CONFIRM_DELETE.YES_LABEL',
+                    noLabel: 'ADF_VERSION_LIST.CONFIRM_DELETE.NO_LABEL'
+                },
+                minWidth: '250px'
+            });
+
+            dialogRef.afterClosed().subscribe(result => {
+                if (result === true) {
+                    this.alfrescoApi.versionsApi
+                        .deleteVersion(this.id, versionId)
+                        .then(() => {
+                            this.loadVersionHistory();
+                        });
+                }
+            });
+        }
+    }
+
     private getVersionContentUrl(nodeId: string, versionId: string, attachment?: boolean) {
         const nodeDownloadUrl = this.alfrescoApi.contentApi.getContentUrl(nodeId, attachment);
         return nodeDownloadUrl.replace('/content', '/versions/' + versionId + '/content');

lib/content-services/version-manager/version-manager.component.html

@@ -4,7 +4,8 @@
 <div class="adf-version-list-container">
     <adf-version-list
         #versionList [id]="node.id"
-        [enableDownload]="enableDownload"
-        [showComments]="showComments">
+        [allowDownload]="allowDownload"
+        [showComments]="showComments"
+        [allowDelete]="allowDelete">
     </adf-version-list>
 </div>

lib/content-services/version-manager/version-manager.component.ts

@@ -18,6 +18,7 @@
 import { Component, Input, ViewEncapsulation, ViewChild, Output, EventEmitter } from '@angular/core';
 import { MinimalNodeEntryEntity } from 'alfresco-js-api';
 import { VersionListComponent } from './version-list.component';
+import { AppConfigService } from '@alfresco/adf-core';
 
 @Component({
     selector: 'adf-version-manager',
@@ -31,20 +32,29 @@ export class VersionManagerComponent {
     node: MinimalNodeEntryEntity;
 
     @Input()
-    showComments: boolean = true;
+    allowDelete = true;
 
     @Input()
-    enableDownload: boolean = true;
+    showComments = true;
+
+    @Input()
+    allowDownload = true;
 
     @Output()
-    uploadSuccess: EventEmitter<any> = new EventEmitter();
+    uploadSuccess = new EventEmitter();
 
     @Output()
-    uploadError: EventEmitter<any> = new EventEmitter();
+    uploadError = new EventEmitter();
 
     @ViewChild('versionList')
     versionListComponent: VersionListComponent;
 
+    constructor(config: AppConfigService) {
+        this.allowDelete = config.get('adf-version-manager.allowDelete', true);
+        this.showComments = config.get('adf-version-manager.allowComments', true);
+        this.allowDownload = config.get('adf-version-manager.allowDownload', true);
+    }
+
     onUploadSuccess(event): void {
         this.versionListComponent.loadVersionHistory();
         this.uploadSuccess.emit(event);

lib/content-services/version-manager/version-upload.component.html

@@ -1,10 +1,10 @@
 <adf-upload-version-button
     data-automation-id="adf-new-version-file-upload"
     class="adf-new-version-file-upload"
-    staticTitle="Upload new version"
+    staticTitle="{{ 'ADF_VERSION_LIST.ACTIONS.UPLOAD.TITLE' | translate }}"
     [node]="node"
     [rootFolderId]="node.parentId"
-    tooltip="Restriction: upload file with the same name to create a new version of it"
+    tooltip="{{ 'ADF_VERSION_LIST.ACTIONS.UPLOAD.TOOLTIP' | translate }}"
     [versioning]="true"
     (success)="onUploadSuccess($event)"
     (error)="onUploadError($event)">

lib/core/app-config/schema.json

@@ -468,6 +468,15 @@
               "clientId": { "type": "string" },
               "secret": { "type": "string" }
           }
+        },
+        "adf-version-manager": {
+          "description": "Configuration parameters for Version Manager component",
+          "type": "object",
+          "properties": {
+            "allowComments": { "type": "boolean" },
+            "allowDownload": { "type": "boolean" },
+            "allowDelete": { "type": "boolean" }
+          }
         }
     }
 }