| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 {Directive, Input, OnDestroy, OnInit, TemplateRef, ViewContainerRef} from '@angular/core'; |
| import {FimsPermission} from './fims-permission.model'; |
| import {Store} from '@ngrx/store'; |
| import * as fromRoot from '../../../store'; |
| import {Subscription} from 'rxjs/Subscription'; |
| |
| @Directive({ |
| // tslint:disable-next-line:directive-selector |
| selector: '[hasPermission]' |
| }) |
| export class PermissionDirective implements OnInit, OnDestroy { |
| |
| private permissionSubscription: Subscription; |
| |
| @Input('hasPermission') hasPermission: FimsPermission; |
| |
| constructor(private store: Store<fromRoot.State>, private viewContainer: ViewContainerRef, private template: TemplateRef<Object>) { |
| } |
| |
| ngOnInit(): void { |
| this.viewContainer.clear(); |
| |
| if (!this.hasPermission) { |
| this.viewContainer.createEmbeddedView(this.template); |
| return; |
| } |
| |
| this.permissionSubscription = this.store.select(fromRoot.getPermissions) |
| .map(permissions => permissions.filter(permission => permission.id === this.hasPermission.id |
| && permission.accessLevel === this.hasPermission.accessLevel |
| )) |
| .map(matches => matches.length > 0) |
| .subscribe(hasPermission => { |
| this.viewContainer.clear(); |
| if (hasPermission) { |
| this.viewContainer.createEmbeddedView(this.template); |
| } |
| }); |
| } |
| |
| ngOnDestroy(): void { |
| if (this.permissionSubscription) { |
| this.permissionSubscription.unsubscribe(); |
| } |
| } |
| } |