core/templates/pages/android-page/android-page.component.ts - develop - githubmirror/oppia

core/templates/pages/android-page/android-page.component.ts
172 строки5 KB
Hardik Goyal
Fix #7092: Remove downgradeComponent (#21903)
18 фев 2025, 21:22
18 фев 2025, 21:224dbd84c
// Copyright 2021 The Oppia Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * @fileoverview Component for the Android page.
 */

import {
  Component,
  OnInit,
  OnDestroy,
  ViewChild,
  ElementRef,
} from '@angular/core';
import {TranslateService} from '@ngx-translate/core';
import {Subscription} from 'rxjs';
import {AlertsService} from 'services/alerts.service';

import {PageTitleService} from 'services/page-title.service';
import {UrlInterpolationService} from 'domain/utilities/url-interpolation.service';
import {
  animate,
  keyframes,
  style,
  transition,
  trigger,
} from '@angular/animations';
import {WindowDimensionsService} from 'services/contextual/window-dimensions.service';
import {AppConstants} from 'app.constants';
import {MailingListBackendApiService} from 'domain/mailing-list/mailing-list-backend-api.service';

import './android-page.component.css';

@Component({
  selector: 'android-page',
  templateUrl: './android-page.component.html',
  styleUrls: ['./android-page.component.css'],
  animations: [
    trigger('fadeIn', [
      transition(':enter', [
        style({opacity: 0}),
        animate(
          '1s ease',
          keyframes([style({opacity: 0}), style({opacity: 1})])
        ),
      ]),
    ]),
    trigger('delayedFadeIn', [
      transition(':enter', [
        style({opacity: 0}),
        animate(
          '1s 1s ease',
          keyframes([style({opacity: 0}), style({opacity: 1})])
        ),
      ]),
    ]),
  ],
})
export class AndroidPageComponent implements OnInit, OnDestroy {
  // These properties are initialized using Angular lifecycle hooks
  // and we need to do non-null assertion. For more information, see
  // https://github.com/oppia/oppia/wiki/Guide-on-defining-types#ts-7-1
  @ViewChild('androidUpdatesSection')
  androidUpdatesSectionRef!: ElementRef<Element>;

  @ViewChild('featuresMainText') featuresMainTextRef!: ElementRef<Element>;

  @ViewChild('feature1') featureRef1!: ElementRef<Element>;

  @ViewChild('feature2') featureRef2!: ElementRef<Element>;

  @ViewChild('feature3') featureRef3!: ElementRef<Element>;

  @ViewChild('feature4') featureRef4!: ElementRef<Element>;

  featuresShown = 0;
  androidUpdatesSectionIsSeen = false;
  featuresMainTextIsSeen = false;
  emailAddress: string | null = null;
  name: string | null = null;
  userCanSubscribe: boolean = false;
  userHasSubscribed: boolean = false;

  OPPIA_AVATAR_IMAGE_URL = this.urlInterpolationService.getStaticImageUrl(
    '/avatar/oppia_avatar_large_100px.svg'
  );

  ANDROID_APP_URL =
    'https://play.google.com/store/apps/details?id=org.oppia.android';

  directiveSubscriptions = new Subscription();
  constructor(
    private alertsService: AlertsService,
    private mailingListBackendApiService: MailingListBackendApiService,
    private pageTitleService: PageTitleService,
    private translateService: TranslateService,
    private urlInterpolationService: UrlInterpolationService,
    private windowDimensionsService: WindowDimensionsService
  ) {}

  ngOnInit(): void {
    this.directiveSubscriptions.add(
      this.translateService.onLangChange.subscribe(() => {
        this.setPageTitle();
      })
    );
    this.featuresShown = 0;
  }

  ngAfterViewInit(): void {
    this.setPageTitle();
  }

  changeFeaturesShown(featureNumber: number): void {
    this.featuresShown = featureNumber;
  }

  validateEmailAddress(): boolean {
    // A simple check for basic email validation.
    let regex = new RegExp(AppConstants.EMAIL_REGEX);
    return regex.test(String(this.emailAddress));
  }

  subscribeToAndroidList(): void {
    this.mailingListBackendApiService
      .subscribeUserToMailingList(
        String(this.emailAddress),
        String(this.name),
        AppConstants.MAILING_LIST_ANDROID_TAG
      )
      .then(status => {
        if (status) {
          this.userHasSubscribed = true;
        } else {
          this.alertsService.addInfoMessage(
            'Sorry, an unexpected error occurred. Please email admin@oppia.org ' +
              'to be added to the mailing list.',
            10000
          );
        }
      })
      .catch(errorResponse => {
        this.alertsService.addInfoMessage(
          'Sorry, an unexpected error occurred. Please email admin@oppia.org ' +
            'to be added to the mailing list.',
          10000
        );
      });
  }

  setPageTitle(): void {
    let translatedTitle = this.translateService.instant(
      'I18N_ANDROID_PAGE_TITLE'
    );
    this.pageTitleService.setDocumentTitle(translatedTitle);
  }

  ngOnDestroy(): void {
    this.directiveSubscriptions.unsubscribe();
  }
}