File

src/app/core/helpers/auth.guard.ts

Constructor

constructor(router: Router, authenticationService: ApiAuthService)

Methods

canActivate
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot)
Returns: void
import { Injectable } from '@angular/core';
import { Router, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';

import { ApiAuthService } from '../services/auth/api.auth.service';

@Injectable({ providedIn: 'root' })
export class AuthGuard  {
    constructor(
        private router: Router,
        private authenticationService: ApiAuthService
    ) { }

    canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot) {
        const user = this.authenticationService.userValue;
        if (user) {
            // check if route is restricted by role
            if (route.data['roles'] && route.data['roles'].indexOf(user.role) === -1) {
                // role not authorised so redirect to home page
                this.router.navigate(['/']);
                return false;
            }

            // authorised so return true
            return true;
        }

        // not logged in so redirect to login page with the return url
        this.router.navigate(['/login'], { queryParams: { returnUrl: state.url } });
        return false;
    }
}

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