FarmMapsLib/projects/common/src/fm/components/has-role/has-role.directive.ts

32 lines
1.2 KiB
TypeScript

import { Directive, ViewContainerRef,TemplateRef,OnInit,Input, OnDestroy } from '@angular/core';
import { Store} from '@ngrx/store';
import * as appCommonReducer from '../../reducers/app-common.reducer'
import { Observable, Subscription } from 'rxjs';
import { IUser } from '../../models/user';
@Directive({
selector: '[fmHasRole]',
})
export class HasRoleDirective implements OnInit, OnDestroy{
@Input('fmHasRole') role:string;
constructor(private templateRef$: TemplateRef<any>,private viewContainerRef$: ViewContainerRef,private store$: Store<appCommonReducer.State>) { }
private user$:Observable<IUser> = this.store$.select(appCommonReducer.SelectGetUser);
private hasView = false;
private roleClaim = 'role';
private sub: Subscription;
ngOnInit() {
this.sub = this.user$.subscribe((user) => {
if (user && user.claims[this.roleClaim]?.includes(this.role)) {
this.viewContainerRef$.createEmbeddedView(this.templateRef$);
this.hasView=true;
} else if (this.hasView) {
this.viewContainerRef$.clear();
this.hasView = false;
}
});
}
ngOnDestroy() {
if (this.sub) {this.sub.unsubscribe() }
}
}