openaire-library/utils/piwik/piwik.service.ts

import {Injectable} from '@angular/core';
import {HttpClient} from "@angular/common/http";

import {StringUtils} from '../string-utils.class';
import {EnvProperties} from '../properties/env-properties';
import {Observable} from "rxjs";
import {ConfigurationService} from "../configuration/configuration.service";


@Injectable()
export class PiwikService {
  constructor(private http: HttpClient, private configurationService: ConfigurationService) {
  }
  
  trackViewForCustomUrl(properties: EnvProperties, title, pageparams): any {
    let piwikId = this.configurationService.piwik;
    if (typeof location !== 'undefined' && piwikId) {
      return this.doTrackView(properties, title, piwikId, location.href.split("?")[0] + "?" + pageparams);
    }
  }
  
  trackView(properties: EnvProperties, title): any {
    let piwikId = this.configurationService.piwik;
    if (typeof location !== 'undefined' && piwikId) {
      return this.doTrackView(properties, title, piwikId, location.href);
    }
  }
  
  private doTrackView(properties: EnvProperties, title, siteId, pageURL): any {
    
    let ua = this.getUserAgent();
    let referrer = this.getReferrer();
    let piwikId = ((siteId != null) ? siteId : properties.piwikSiteId);
    if (typeof location !== 'undefined' && piwikId) {
      // console.log("Piwik - View: " + pageURL, title);
      var url = properties.piwikBaseUrl + piwikId + "&rec=1&url=" + StringUtils.URIEncode(pageURL) + "&action_name=" + StringUtils.URIEncode(title) +
        ((ua != null && ua.length > 0) ? ('&ua=' + StringUtils.URIEncode(ua)) : '') +
        ((referrer != null && referrer.length > 0) ? ('&urlref=' + StringUtils.URIEncode(referrer)) : '');
      // console.log("Piwik - View: " + url);
      // return Observable.of(new Object()); // for testing
      return this.http.get(url, {responseType: 'blob'});
      // .do(request => console.info("Piwik request completed" ));
      
    }
  }
  
  trackDownload(properties: EnvProperties, type = "", siteId = null): any {
    var ua = this.getUserAgent();
    var referrer = this.getReferrer();
    var url = properties.piwikBaseUrl + ((siteId != null) ? siteId : properties.piwikSiteId) + "&rec=1&url=" + StringUtils.URIEncode(location.href) + "&download=" + StringUtils.URIEncode(location.href + "#" + type) +
      ((ua != null && ua.length > 0) ? ('&ua=' + StringUtils.URIEncode(ua)) : '') +
      ((referrer != null && referrer.length > 0) ? ('&urlref=' + StringUtils.URIEncode(referrer)) : '');
    //console.log("Piwik - trackDownload: "+url);
    
    return this.http.get(url, {responseType: 'blob'});
    //.do(request => console.info("Piwik request completed" ));
    
  }
  
  private getUserAgent() {
    if (typeof navigator !== 'undefined') {
      //console.log("navigator.userAgent:" + navigator.userAgent);
      return navigator.userAgent;
      
    } else {
      return null;
    }
  }
  
  private getReferrer() {
    var referrer = "";
    if (typeof document !== 'undefined') {
      //console.log("document.referrer:" + document.referrer);
      referrer = document.referrer;
      
    }
    if ((referrer == null || referrer.length == 0) && typeof localStorage !== 'undefined') {
      
      referrer = localStorage.getItem('previousRoute');
    }
    return referrer;
  }
  
  parse(data: any) {
  }
  
}