D-Net

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

import {Http, Response, Headers, RequestOptions, URLSearchParams} from '@angular/http';

import {Observable}     from 'rxjs/Observable';

import 'rxjs/add/observable/of';

import 'rxjs/add/operator/do';

import 'rxjs/add/operator/share';

import {Location} from '@angular/common';

import {StringUtils} from '../string-utils.class';

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

@Injectable()

export class PiwikService {

    private piwikbaseUrl:string = "";

    constructor(private http: Http, private location: Location ) {}

    trackView (properties:EnvProperties, title, siteId = null):any {

      var ua = this.getUserAgent();

      var referrer = this.getReferrer();

      console.log("Piwik - id: " + siteId);

      if(typeof location !== 'undefined'){

            var url = properties.piwikBaseUrl+((siteId!=null)?siteId:properties.piwikSiteId)+"&rec=1&url="+StringUtils.URIEncode(location.href)+"&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()).mapTo(true); // for testing

            return this.http.get( url);

                          // .do(request => console.info("Piwik request completed" ));

      }

    }

    trackDownload (properties:EnvProperties, downloadURL, 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(downloadURL)+"&download="+StringUtils.URIEncode(downloadURL)+

      ((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)

                    .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){

    }

}