D-Net

import {Component, Input} from '@angular/core';

import {ActivatedRoute, Router} from '@angular/router';

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

import {Meta, Title} from "@angular/platform-browser";

import {SEOService} from "../openaireLibrary/sharedComponents/SEO/SEO.service";

import {PiwikService} from "../openaireLibrary/utils/piwik/piwik.service";

import {HelperService} from "../openaireLibrary/utils/helper/helper.service";

import {ConnectHelper} from "../openaireLibrary/connect/connectHelper";

import {Subscriber} from "rxjs";

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

@Component({

  selector: 'html-page',

  template: `

    <schema2jsonld *ngIf="url" [URL]="url" [name]="pageTitle" type="other" [description]="description"></schema2jsonld>

    <helper *ngIf="pageContents && pageContents['top'] && pageContents['top'].length > 0"

            [texts]="pageContents['top']"></helper>

  `

})

export class HtmlPageComponent {

  properties: EnvProperties = properties;

  public pageContents = null;

  public divContents = null;

  @Input() url: string = null;

  @Input() pageTitle: string;

  @Input() description: string;

  private subscriptions = [];

  communityId;

  constructor(private  route: ActivatedRoute, private _router: Router,

              private _meta: Meta,

              private _title: Title,

              private seoService: SEOService,

              private _piwikService: PiwikService,

              private helper: HelperService) {

  }

  public ngOnInit() {

    if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {

      this.subscriptions.push(this._piwikService.trackView(this.properties, this.pageTitle, this.properties.piwikSiteId).subscribe());

    }

    this.communityId = ConnectHelper.getCommunityFromDomain(this.properties.domain);

    //TODO set the proper URL

    this.url = this.properties.domain + this._router.url;

    this.seoService.createLinkForCanonicalURL(this.url);

    this.updateUrl(this.url);

    this.updateTitle(this.pageTitle);

    this.updateDescription(this.description);

    this.getPageContents();

  }

  ngOnDestroy() {

    this.subscriptions.forEach(subscription => {

      if (subscription instanceof Subscriber) {

        subscription.unsubscribe();

      }

    });

  }

  private updateDescription(description: string) {

    this._meta.updateTag({content: description}, "name='description'");

    this._meta.updateTag({content: description}, "property='og:description'");

  }

  private updateTitle(title: string) {

    var _title = ((title.length > 50) ? title.substring(0, 50) : title);

    this._title.setTitle(_title);

    this._meta.updateTag({content: _title}, "property='og:title'");

  }

  private updateUrl(url: string) {

    this._meta.updateTag({content: url}, "property='og:url'");

  }

  private getPageContents() {

    this.subscriptions.push(this.helper.getPageHelpContents(this.properties, this.communityId ? this.communityId : "connect", this._router.url).subscribe(contents => {

      this.pageContents = contents;

    }));

  }

}