bixi/packages/auth/src/token/simple/simple.guard.ts

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import { Inject, Injectable, Injector } from '@angular/core';
import { ActivatedRouteSnapshot, CanActivate, CanActivateChild, CanLoad, Route, RouterStateSnapshot, UrlSegment } from '@angular/router';
import { CheckSimple, ToLogin } from '../helper';
import { BIXI_SERVICE_TOKEN, ITokenService } from '../interface';
import { SimpleTokenModel } from './simple.model';

/**
 * Simple 路由守卫, [ACL Document](https://bixi.datagrand.com/auth/guard).
 *
 * ```ts
 * data: {
 *  path: 'home',
 *  canActivate: [ SimpleGuard ]
 * },
 * {
 *   path: 'my',
 *   canActivateChild: [SimpleGuard],
 *   children: [
 *     { path: 'profile', component: MockComponent }
 *   ],
 * },
 * ```
 */
@Injectable({ providedIn: 'root' })
export class SimpleGuard implements CanActivate, CanActivateChild, CanLoad {
  private url?: string;

  private get cog() {
    return this.srv.options;
  }

  constructor(@Inject(BIXI_SERVICE_TOKEN) private srv: ITokenService, private injector: Injector) {}

  private process(): boolean {
    const res = CheckSimple(this.srv.get() as SimpleTokenModel);
    if (!res) {
      ToLogin(this.cog, this.injector, this.url);
    }
    return res;
  }

  // lazy loading
  canLoad(route: Route, _segments: UrlSegment[]): boolean {
    this.url = route.path;
    return this.process();
  }
  // all children route
  canActivateChild(_childRoute: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
    this.url = state.url;
    return this.process();
  }
  // route
  canActivate(_route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
    this.url = state.url;
    return this.process();
  }
}