D-Net

import {Injectable} from '@angular/core';

import {

  ActivatedRouteSnapshot,

  CanActivate,

  CanActivateChild,

  Router,

  RouterStateSnapshot,

  UrlTree

} from '@angular/router';

import {map, take, tap} from "rxjs/operators";

import {UserManagementService} from "../openaireLibrary/services/user-management.service";

import {LoginErrorCodes} from "../openaireLibrary/login/utils/guardHelper.class";

import {Session} from "../openaireLibrary/login/utils/helper.class";

import {StakeholderService} from "../openaireLibrary/monitor/services/stakeholder.service";

import {Observable, zip} from "rxjs";

@Injectable()

export class AdminDashboardGuard implements CanActivate, CanActivateChild {

  constructor(private router: Router,

              private stakeholderService: StakeholderService,

              private userManagementService: UserManagementService) {

  }

  check(path: string, alias: string): Observable<boolean> | boolean {

    if (Session.isLoggedIn()) {

      return zip(

        this.userManagementService.getUserInfo(false)

        ,this.stakeholderService.getStakeholder(alias)

      ).pipe(take(1),map(res =>{

        return res[0] && res[1] && (Session.isPortalAdministrator(res[0]) ||

          Session.isCurator(res[1].type, res[0]) || Session.isManager(res[1].type, res[1].alias, res[0]));

      }),tap(authorized => {

        if(!authorized){

          this.router.navigate(['/user-info'], {queryParams: {'errorCode': LoginErrorCodes.NOT_ADMIN, 'redirectUrl':path}});

        }

      }));

    } else {

      this.router.navigate(['/user-info'], {queryParams: {'errorCode': LoginErrorCodes.NOT_LOGIN, 'redirectUrl':path}});

      return false;

    }

  }

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {

    return this.check(state.url, route.params.stakeholder);

  }

  canActivateChild(childRoute: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {

    return this.check(state.url, childRoute.params.stakeholder);

  }

}