D-Net

import {

  ChangeDetectorRef,

  Component,

  Input,

  OnChanges,

  OnDestroy,

  OnInit,

  SimpleChanges,

  ViewChild

} from '@angular/core';

import {AbstractControl, FormBuilder, FormGroup, Validators} from '@angular/forms';

import {AlertModal} from "../../../utils/modal/alert";

import {UserRegistryService} from "../../../services/user-registry.service";

import {EnvProperties} from "../../../utils/properties/env-properties";

import {properties} from "../../../../../environments/environment";

import {Role, Session, User} from "../../../login/utils/helper.class";

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

import {Router} from "@angular/router";

import {SubscriberInviteComponent} from "../../../sharedComponents/subscriber-invite/subscriber-invite.component";

import {Subscription, zip} from "rxjs";

declare var UIkit;

@Component({

  selector: 'subscribers',

  templateUrl: 'subscribers.component.html'

})

export class SubscribersComponent implements OnInit, OnDestroy, OnChanges {

  @Input()

  public id: string;

  @Input()

  public type: string;

  @Input()

  public name: string;

  @Input()

  public link: string;

  @Input()

  public message: string = null;

  @Input()

  public inviteDisableMessage: string;

  public user: User = null;

  public managers: any[];

  public subscribers: any[];

  public showSubscribers: any[];

  public subs: any[] = [];

  public loading: boolean = true;

  public selectedUser: string = null;

  public properties: EnvProperties = properties;

  public exists: boolean = true;

  public roleFb: FormGroup;

  /** Paging */

  page: number = 1;

  pageSize: number = 5;

  /** Search */

  filterForm: FormGroup;

  @ViewChild('inviteModal') inviteModal: AlertModal;

  @ViewChild('deleteModal') deleteModal: AlertModal;

  @ViewChild('createRoleModal') createRoleModal: AlertModal;

  @ViewChild('subscriberInvite') subscriberInvite: SubscriberInviteComponent;

  constructor(private userRegistryService: UserRegistryService,

              private userManagementService: UserManagementService,

              private router: Router,

              private cdr: ChangeDetectorRef,

              private fb: FormBuilder) {

  }

  ngOnInit() {

    this.filterForm = this.fb.group({

      keyword: this.fb.control('')

    });

    this.subs.push(this.filterForm.get('keyword').valueChanges.subscribe(value => {

      this.filterBySearch(value);

    }));

    this.updateList();

    this.userManagementService.getUserInfo().subscribe(user => {

      this.user = user;

      this.cdr.detectChanges();

    });

  }

  ngOnChanges(changes: SimpleChanges) {

    if (changes.role) {

      this.updateList();

    }

  }

  ngOnDestroy() {

    this.subs.forEach(sub => {

      if (sub instanceof Subscription) {

        sub.unsubscribe();

      }

    });

  }

  get currentPage(): any[] {

    if (this.showSubscribers) {

      return this.showSubscribers.slice((this.page - 1) * this.pageSize, this.page * this.pageSize);

    } else {

      return [];

    }

  }

  updateList() {

    this.loading = true;

    let data = zip(this.userRegistryService.getActiveEmail(this.type, this.id, 'manager'),

                  this.userRegistryService.getActiveEmail(this.type, this.id, 'member'));

    this.subs.push(data.subscribe(users => {

      this.managers = users[0];

      this.subscribers = users[1];

      this.subscribers.forEach(subscriber => {

        subscriber['isManager'] = this.managers.find(manager => manager.email === subscriber.email);

      });

      this.filterBySearch(this.filterForm.value.keyword);

      this.loading = false;

      this.exists = true;

    }, error => {

      this.subscribers = [];

      this.showSubscribers = [];

      if (error.status === 404) {

        this.exists = false;

      }

      this.loading = false;

    }));

  }

  openDeleteModal(item: any) {

    this.selectedUser = item.email;

    this.deleteModal.alertTitle = 'Delete subscriber';

    this.deleteModal.open();

  }

  openInviteModal() {

    if(this.subscriberInvite && !this.subscriberInvite.loading) {

      this.inviteModal.alertTitle = 'Invite users to subscribe';

      this.inviteModal.okButtonLeft = false;

      this.inviteModal.okButtonText = 'Send';

      this.subscriberInvite.reset();

      this.inviteModal.open();

    }

  }

  openCreateRoleModal() {

    this.createRoleModal.alertTitle = 'Create group';

    this.createRoleModal.okButtonLeft = false;

    this.createRoleModal.okButtonText = 'create';

    this.roleFb = this.fb.group({

      name: this.fb.control(Role.mapType(this.type) + '.' + this.id, Validators.required),

      description: this.fb.control('', Validators.required)

    });

    setTimeout(() => {

      this.roleFb.get('name').disable();

    }, 0);

    this.createRoleModal.open();

  }

  deleteSubscriber() {

    this.loading = true;

    this.userRegistryService.remove(this.type, this.id, this.selectedUser, 'member').subscribe(() => {

      this.subscribers = this.subscribers.filter(user => user.email != this.selectedUser);

      this.filterBySearch(this.filterForm.value.keyword);

      if(this.currentPage.length === 0) {

        this.page = 1;

      }

      this.userManagementService.updateUserInfo();

      UIkit.notification(this.selectedUser + ' <b>is no longer</b> subscribed to ' + this.name + ' Dashboard', {

        status: 'success',

        timeout: 6000,

        pos: 'bottom-right'

      });

      this.loading = false;

    }, error => {

      UIkit.notification('An error has occurred. Please try again later', {

        status: 'danger',

        timeout: 6000,

        pos: 'bottom-right'

      });

      this.loading = false;

    });

  }

  createGroup() {

    this.loading = true;

    this.roleFb.get('name').enable();

    this.userRegistryService.createRole(this.type, this.id, this.roleFb.value).subscribe(() => {

      UIkit.notification('Group has been <b> successfully created</b>', {

        status: 'success',

        timeout: 6000,

        pos: 'bottom-right'

      });

      this.updateList();

    }, error => {

      UIkit.notification('An error has occurred. Please try again later', {

        status: 'danger',

        timeout: 6000,

        pos: 'bottom-right'

      });

      this.loading = false;

    });

  }

  public get isPortalAdmin() {

    return Session.isPortalAdministrator(this.user) || Session.isCurator(this.type, this.user);

  }

  public updatePage(event) {

    this.page = event.value;

  }

  private filterBySearch(value: any) {

    this.showSubscribers = this.subscribers.filter(subscriber => !value || subscriber.email.includes(value));

    this.page = 1;

  }

}