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import { Injectable } from '@angular/core';
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import {Router, CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, CanLoad, Route} from '@angular/router';
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import {Observable}       from 'rxjs/Observable';
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import {Session} from './utils/helper.class';
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import {LoginErrorCodes} from './utils/guardHelper.class';
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@Injectable()
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export class AdminLoginGuard implements CanActivate, CanLoad {
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  constructor(private router: Router) {}
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  check(route: Route) : boolean{
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    let loggedIn = false;
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    let isAdmin = false;
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    let errorCode = LoginErrorCodes.NOT_LOGIN;
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    if(Session.isLoggedIn()){
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      loggedIn = true;
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      isAdmin = Session.isPortalAdministrator();
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      if(!isAdmin){
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        errorCode = LoginErrorCodes.NOT_ADMIN;
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      }
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    }
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    if(!loggedIn || !isAdmin) {
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      // this.guardHelper.redirect("/user-info",errorCode,state.url);
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      route.path = '/' + route.path;
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      this.router.navigate(['user-info'], {queryParams: {"errorCode": errorCode, "redirectUrl": route.path}});
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    }
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    return loggedIn && isAdmin;
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  }
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  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
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    return this.check(route.routeConfig);
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  }
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  canLoad(route: Route): Observable<boolean> | Promise<boolean> | boolean {
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    return this.check(route);
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  }
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}