import {Component, ViewChild}               from '@angular/core';
import {ElementRef, Input}                  from '@angular/core';
import {ActivatedRoute, Router}             from '@angular/router';
import {Title, Meta}                        from '@angular/platform-browser';

import {Observable}                         from 'rxjs/Observable';

import 'rxjs/add/operator/switch';
import 'rxjs/add/operator/switchMap';

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

import {DataProviderInfo}                   from '../../utils/entities/dataProviderInfo';
import {DataProviderService}                from './dataProvider.service';
import {FetchPublications}                  from '../../utils/fetchEntitiesClasses/fetchPublications.class';
import {SearchPublicationsService}          from '../../services/searchPublications.service';
import {FetchDatasets}                      from '../../utils/fetchEntitiesClasses/fetchDatasets.class';
import {SearchDatasetsService}              from '../../services/searchDatasets.service';
import {FetchSoftware}                      from '../../utils/fetchEntitiesClasses/fetchSoftware.class';
import {SearchSoftwareService}              from '../../services/searchSoftware.service';
import {FetchOrps}                      from '../../utils/fetchEntitiesClasses/fetchOrps.class';
import {SearchOrpsService}              from '../../services/searchOrps.service';
import {FetchProjects}                      from '../../utils/fetchEntitiesClasses/fetchProjects.class';
import {SearchProjectsService}              from '../../services/searchProjects.service';
import {FetchDataproviders}                 from '../../utils/fetchEntitiesClasses/fetchDataproviders.class';
import {SearchDataprovidersService}         from '../../services/searchDataproviders.service';
import {RelatedDatasourcesTabComponent}     from './relatedDatasourcesTab.component';
import {ErrorCodes}                         from '../../utils/properties/errorCodes';
import {RouterHelper}                       from '../../utils/routerHelper.class';
import {PiwikService}                       from '../../utils/piwik/piwik.service';
import { SEOService } from '../../sharedComponents/SEO/SEO.service';


@Component({
    selector: 'dataprovider',
     templateUrl: 'dataProvider.component.html',
 })

export class DataProviderComponent {
  @Input() piwikSiteId = null;
  public dataProviderInfo: DataProviderInfo;
  public datasourceId: string;

  // Message variables
  public warningMessage = "";
  public errorMessage = "";
  public showLoading: boolean = true;

  // Variable to specify requests with either collectedFrom or hostedBy
  public paramsForSearchLink = {};

  // Metrics tab variables
  public metricsClicked: boolean;
  public viewsFrameUrl: string;
  public downloadsFrameUrl: string;
  public totalViews: number;
  public totalDownloads: number;
  public pageViews: number;

  // Statistics tab variables
  public statsClicked: boolean = false;
  public docsTimelineUrl: string;
  public docsTypesUrl:string;
  public docsFunderUrl:string;
  public dataProjectsUrl:string ;
  public pubsProjectsUrl:string;

  // Variables for publications, research data, projects, content providers, related content providers tabs
  public fetchPublications : FetchPublications;
  public fetchDatasets: FetchDatasets;
  public fetchSoftware: FetchSoftware;
  public fetchOrps: FetchOrps;
  public fetchProjects: FetchProjects;
  public fetchDataproviders: FetchDataproviders;
  public fetchAggregatorsPublications: FetchPublications;
  public fetchAggregatorsDatasets: FetchDatasets;
  public fetchAggregatorsSoftware: FetchSoftware;
  public fetchAggregatorsOrps: FetchOrps;

  public loadingRelatedDatasources: boolean = true;

  // Active tab variable for responsiveness - show tabs only if main request is completed
  public activeTab: string = "";
  public showTabs:boolean = false;

  public routerHelper:RouterHelper = new RouterHelper();
  public errorCodes:ErrorCodes = new ErrorCodes();

  // Request results of each tab only the one time (first time tab is clicked)
  private reloadPublications: boolean = true;
  private reloadDatasets: boolean = true;
  private reloadSoftware: boolean = true;
  private reloadOrps: boolean = true;
  private reloadProjects: boolean = true;
  private reloadDataproviders: boolean = true;
  private reloadRelatedDatasources: boolean = true;

  private nativeElement : Node;

  sub: any;
  piwiksub: any;
  subInfo: any;
  relatedDatasourcesSub: any;
  properties:EnvProperties;

  constructor (private element: ElementRef,
               private _dataproviderService: DataProviderService,
               private _piwikService:PiwikService,
               private route: ActivatedRoute,
               private _meta: Meta,
               private _title: Title,
               private _router: Router,
               private _searchPublicationsService: SearchPublicationsService,
               private _searchDatasetsService: SearchDatasetsService,
               private _searchSoftwareService: SearchSoftwareService,
               private _searchOrpsService: SearchOrpsService,
               private _searchProjectsService: SearchProjectsService,
               private _searchDataprovidersService: SearchDataprovidersService,
             private seoService: SEOService) {
                 this.fetchPublications = new FetchPublications(this._searchPublicationsService);
                 this.fetchDatasets = new FetchDatasets(this._searchDatasetsService);
                 this.fetchSoftware = new FetchSoftware(this._searchSoftwareService);
                 this.fetchOrps = new FetchOrps(this._searchOrpsService);
                 this.fetchProjects = new FetchProjects(this._searchProjectsService);
                 this.fetchDataproviders = new FetchDataproviders(this._searchDataprovidersService);

 }

 ngOnInit() {
   this.route.data
     .subscribe((data: { envSpecific: EnvProperties }) => {
        this.properties = data.envSpecific;
        this.updateUrl(data.envSpecific.baseLink+this._router.url);

     });
   this.sub =  this.route.queryParams.subscribe(data => {
      this.updateTitle("Content provider");
      this.updateDescription("Content provider, search, repositories, open access");
      this.seoService.createLinkForCanonicalURL();
      this.datasourceId = data['datasourceId'];
      if(this.datasourceId){
       this.getDataProviderInfo(this.datasourceId);
      }else{
       // console.info("Content Provider id not found");
      }

      if (typeof document !== 'undefined') {
        this.element.nativeElement.scrollIntoView();
      }
   });
 }

   ngOnDestroy() {
     if(this.sub){
       this.sub.unsubscribe();
     }
     if(this.piwiksub){
       this.piwiksub.unsubscribe();
     }
     if(this.subInfo) {
      this.subInfo.unsubscribe();
     }

     if(this.relatedDatasourcesSub) {
       this.relatedDatasourcesSub.unsubscribe();
     }
   }
  private getDataProviderInfo(id:string) {
    this.warningMessage = '';
    this.errorMessage=""
    this.showLoading = true;

    this.dataProviderInfo = null;

    this.showTabs = false ;
    if(this.datasourceId==null || this.datasourceId==''){
      this.showLoading = false;
      this.warningMessage="No valid datasource id";
    }else{
      this.subInfo = this._dataproviderService.getDataproviderInfo(this.datasourceId, this.properties).subscribe(
        data => {
            this.dataProviderInfo = data;

            this.getDataProviderAggregationStatus(this.dataProviderInfo.originalId);

            this.initTabs();
            this.showTabs = true ;
            this.updateTitle(this.dataProviderInfo.title.name);
            this.updateDescription("Content provider, search, repositories, open access,"+this.dataProviderInfo.title.name);
            if(this.properties.enablePiwikTrack && (typeof document !== 'undefined')){
              this.piwiksub = this._piwikService.trackView(this.properties, this.dataProviderInfo.title.name, this.piwikSiteId).subscribe();
            }

            this.showLoading = false;

            if(this.dataProviderInfo.tabs != undefined && this.dataProviderInfo.tabs.length > 0) {
              this.activeTab = this.dataProviderInfo.tabs[0].name;
            }
        },
        err => {
          console.log(err);
          // console.info("error");
          this.errorMessage = 'No dataProvider found';
          this.showLoading = false;
        }
      );
    }
   }

   private getDataProviderAggregationStatus(originalId: string) {
     this.subInfo = this._dataproviderService.getDataproviderAggregationStatus(originalId, this.properties).subscribe(
       data => {
           this.dataProviderInfo.aggregationStatus = data;
       },
       err => {
         console.log(err);
       }
     );
   }

   private updateDescription(description:string) {
     this._meta.updateTag({content:description},"name='description'");
     this._meta.updateTag({content:description},"property='og:description'");
   }
   private updateTitle(title:string) {
     var _prefix ="OpenAIRE | ";
     var _title = _prefix + ((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 initTabs(){

           if(this.dataProviderInfo.tabs != undefined && this.dataProviderInfo.tabs.length > 0) {
               this.reloadPublications = true;
               this.reloadDatasets = true;
               this.reloadSoftware = true;
               this.reloadOrps = true;
               this.reloadProjects = true;
               this.reloadDataproviders = true;
               this.reloadRelatedDatasources = true;
               this.statsClicked = false;

               this.search(this.dataProviderInfo.tabs[0].content, 1, 10);
               this.count(1, 0);

               this.metricsClicked = false;

               this.viewsFrameUrl = this.properties.framesAPIURL +'merge.php?com=query&data=[{"query":"dtsrcRepoViews","dtsrcName":"'+this.datasourceId+'","table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"","yaxisheaders":["Monthly views"],"generalxaxis":"","theme":0,"in":[]}]&info_types=["column"]&stacking=&steps=false&fontFamily=Courier&spacing=[5,0,0,0]&style=[{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"000000","size":""},{"color":"000000","size":""}]&backgroundColor=rgba(255,255,255,1)&colors[]=rgba(124, 181, 236, 1)&colors[]=rgba(67, 67, 72, 1)&colors[]=rgba(144, 237, 125, 1)&colors[]=rgba(247, 163, 92, 1)&colors[]=rgba(128, 133, 233, 1)&colors[]=rgba(241, 92, 128, 1)&colors[]=rgba(228, 211, 84, 1)&colors[]=rgba(43, 144, 143, 1)&colors[]=rgba(244, 91, 91, 1)&colors[]=rgba(145, 232, 225, 1)&xlinew=0&ylinew=1&legends=true&tooltips=true&persistent=false';
               /*this.viewsFrameUrl = this.properties.framesAPIURL+'merge.php?com=query&data=[{"query":"dtsrcOpenAIRETimeline", "dtsrcName":"'+this.datasourceId+'", "table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"OpenAIRE","yaxisheaders":["Monthly views"],"generalxaxis":"","theme":0,"in":[],"filters":[{"name":"","values":[""],"to":"-1"}]},{"query":"dtsrcRepoTimeline", "dtsrcName":"'+this.datasourceId+'", "table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":" ","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"Repository","yaxisheaders":[""],"generalxaxis":"","theme":0,"in":[],"filters":[{"name":"","values":[""],"to":"-1"}]}]&info_types=["column","column"]&stacking=normal&steps=false&fontFamily=Courier&spacing=[5,0,0,0]&style=[{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"000000","size":""},{"color":"000000","size":""}]&backgroundColor=rgba(255,255,255,1)&colors[]=rgba(124, 181, 236, 1)&colors[]=rgba(67, 67, 72, 1)&colors[]=rgba(144, 237, 125, 1)&colors[]=rgba(247, 163, 92, 1)&colors[]=rgba(128, 133, 233, 1)&colors[]=rgba(241, 92, 128, 1)&colors[]=rgba(228, 211, 84, 1)&colors[]=rgba(43, 144, 143, 1)&colors[]=rgba(244, 91, 91, 1)&colors[]=rgba(145, 232, 225, 1)&xlinew=0&ylinew=1&legends=true&tooltips=true';
               */

               this.downloadsFrameUrl = this.properties.framesAPIURL +'merge.php?com=query&data=[{"query":"dtsrcRepoDownloads","dtsrcName":"'+this.datasourceId+'","table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"","yaxisheaders":["Monthly downloads"],"generalxaxis":"","theme":0,"in":[]}]&info_types=["column"]&stacking=&steps=false&fontFamily=Courier&spacing=[5,0,0,0]&style=[{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"000000","size":""},{"color":"000000","size":""}]&backgroundColor=rgba(255,255,255,1)&colors[]=rgba(124, 181, 236, 1)&colors[]=rgba(67, 67, 72, 1)&colors[]=rgba(144, 237, 125, 1)&colors[]=rgba(247, 163, 92, 1)&colors[]=rgba(128, 133, 233, 1)&colors[]=rgba(241, 92, 128, 1)&colors[]=rgba(228, 211, 84, 1)&colors[]=rgba(43, 144, 143, 1)&colors[]=rgba(244, 91, 91, 1)&colors[]=rgba(145, 232, 225, 1)&xlinew=0&ylinew=1&legends=true&tooltips=true&persistent=false';
               /*
               this.downloadsFrameUrl = this.properties.framesAPIURL +'merge.php?com=query&data=[{"query":"dtsrcDownloadsTimeline","dtsrcName":"'+this.datasourceId+'","table":"","fields":[{"fld":"sum","agg":"sum","type":"chart","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"","yaxisheaders":["Monthly downloads"],"generalxaxis":"","theme":0,"in":[]}]&info_types=["spline"]&stacking=&steps=false&fontFamily=Courier&spacing=[5,0,0,0]&style=[{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"000000","size":""},{"color":"000000","size":""}]&backgroundColor=rgba(255,255,255,1)&colors[]=rgba(124, 181, 236, 1)&colors[]=rgba(67, 67, 72, 1)&colors[]=rgba(144, 237, 125, 1)&colors[]=rgba(247, 163, 92, 1)&colors[]=rgba(128, 133, 233, 1)&colors[]=rgba(241, 92, 128, 1)&colors[]=rgba(228, 211, 84, 1)&colors[]=rgba(43, 144, 143, 1)&colors[]=rgba(244, 91, 91, 1)&colors[]=rgba(145, 232, 225, 1)&xlinew=0&ylinew=1&legends=true&tooltips=true';
               */

               this.docsTimelineUrl =this.properties.statisticsFrameAPIURL+'chart.php?com=query&persistent=false&data={"query":"dtsrcYear","dtsrcName":"'+this.datasourceId+'","table": "result", "fields": [{"fld": "number", "agg": "count", "type": "line", "yaxis":1, "c":true}], "xaxis":{"name": "year", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": -30, "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Results"], "in": [{"f":0, "text": "Yearly"}], "filters": [{"name":"year","max":"2016","min":"1997"},{"name": "result_datasources-datasource-name", "values":[""], "to": "-1"}],"having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": "Year"}&w=100%&h=250';
               this.docsTypesUrl = this.properties.statisticsFrameAPIURL+'chart.php?com=query&persistent=false&data={"query":"dtsrcPubs","dtsrcName":"'+this.datasourceId+'", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "pie", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Results"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';
               this.docsFunderUrl =this.properties.statisticsFrameAPIURL+'chart.php?com=query&persistent=false&data={"query":"dtsrcPubsFund","dtsrcName":"'+this.datasourceId+'", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "pie", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Results"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';
               this.dataProjectsUrl =this.properties.statisticsFrameAPIURL+'chart.php?com=query&persistent=false&data={"query":"dtsrcProjData","dtsrcName":"'+this.datasourceId+'", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "bar", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Data"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';
               this.pubsProjectsUrl =this.properties.statisticsFrameAPIURL+'chart.php?com=query&persistent=false&data={"query":"dtsrcProjPubs","dtsrcName":"'+this.datasourceId+'", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "bar", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Publications"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';

               //if({"name": "Publications", "content": "publicationsTab"} in this.dataProviderInfo.tabs) {
               //if(this.dataProviderInfo.tabs.some(function (tab) {
               //    return tab.name === 'Publications';
               //})) {
               //    this.relatedDataprovidersResultsType = 'publications';
                   this.fetchAggregatorsPublications = new FetchPublications(this._searchPublicationsService);
               //} else {
               //   this.relatedDataprovidersResultsType = 'datasets';
                   this.fetchAggregatorsDatasets = new FetchDatasets(this._searchDatasetsService);
               //}
               this.fetchAggregatorsSoftware = new FetchSoftware(this._searchSoftwareService);
               this.fetchAggregatorsOrps = new FetchOrps(this._searchOrpsService);
           }
           if(this.dataProviderInfo.resultsBy == "collectedFrom") {
               //this.paramsForSearchLink = "?collectedFrom="+this.datasourceId+"&co=and";
               this.paramsForSearchLink = this.routerHelper.createQueryParams(['collectedFrom', 'cl'], [this.datasourceId, 'and']);
           } else if (this.dataProviderInfo.resultsBy == "hostedBy") {
               //this.paramsForSearchLink = "?hostedBy="+this.datasourceId+"&ho=and";
               this.paramsForSearchLink = this.routerHelper.createQueryParams(['hostedBy', 'hs'], [this.datasourceId, 'and']);
           }

   }

   private count(page: number, size: number) {
       for(let i=1; i<this.dataProviderInfo.tabs.length; i++) {
           let content: string = this.dataProviderInfo.tabs[i].content;

           if(content=='publicationsTab') {
               this.countPublications(page, size);
           } else if(content=='datasetsTab') {
               this.countDatasets(page, size);
           } else if(content=='softwareTab') {
               this.countSoftware(page, size);
           } else if(content=='orpsTab') {
               this.countOrps(page, size);
           } else if(content=='projectsTab') {
               this.countProjects(page, size);
           } else if(content=='datasourcesTab') {
               this.countDatasources(page, size);
           }// else if(content=='relatedDatasourcesTab') {
           //    this.countRelatedDatasources(page, size);
           //}
       }
   }

   public search(content: string, page: number, size: number) {
       if(content=='publicationsTab') {
           this.searchPublications(page, size);
       } else if(content=='datasetsTab') {
           this.searchDatasets(page, size);
       } else if(content=='softwareTab') {
           this.searchSoftware(page, size);
       } else if(content=='orpsTab') {
           this.searchOrps(page, size);
       } else if(content=='projectsTab') {
           this.searchProjects(page, size);
       } else if(content=='datasourcesTab') {
           this.searchDatasources(page, size);
       } else if(content=='relatedDatasourcesTab') {
           this.searchRelatedDatasources(1, 0);
       } else if(content=='metricsTab') {
           this.metricsClicked = true;
       } else if(content=='statisticsTab') {
           this.statsClicked = !this.statsClicked;
       }
   }

   private searchPublications(page: number, size: number) {
     if(  this.reloadPublications &&
          ( this.fetchPublications.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchPublications.searchUtils.status == this.errorCodes.DONE ) ) {
       this.fetchPublications.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
     }
     this.reloadPublications = false;
    }

    private countPublications(page: number, size: number) {
      this.fetchPublications.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }

    private searchDatasets(page: number, size: number) {
      if( this.reloadDatasets &&
          ( this.fetchDatasets.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchDatasets.searchUtils.status == this.errorCodes.DONE ) ) {
        this.fetchDatasets.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
      }
      this.reloadDatasets = false;
    }

    private countDatasets(page: number, size: number) {
      this.fetchDatasets.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }

    private searchSoftware(page: number, size: number) {
      if( this.reloadSoftware &&
          ( this.fetchSoftware.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchSoftware.searchUtils.status == this.errorCodes.DONE ) ) {
        this.fetchSoftware.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
      }
      this.reloadSoftware = false;
    }

    private countSoftware(page: number, size: number) {
      this.fetchSoftware.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }

    private searchOrps(page: number, size: number) {
      if( this.reloadOrps &&
          ( this.fetchOrps.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchOrps.searchUtils.status == this.errorCodes.DONE ) ) {
        this.fetchOrps.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
      }
      this.reloadOrps = false;
    }

    private countOrps(page: number, size: number) {
      this.fetchOrps.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }

    private searchProjects(page: number, size: number) {
      if( this.reloadProjects &&
          ( this.fetchProjects.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchProjects.searchUtils.status == this.errorCodes.DONE ) ) {
        this.fetchProjects.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
      }
      this.reloadProjects = false;
    }

    private countProjects(page: number, size: number) {
      this.fetchProjects.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
    }

    private searchDatasources(page: number, size: number) {
      if( this.reloadDataproviders &&
          ( this.fetchDataproviders.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchDataproviders.searchUtils.status == this.errorCodes.DONE ) ) {
        this.fetchDataproviders.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
      }
      this.reloadDataproviders = false;
    }

    private countDatasources(page: number, size: number) {
      this.fetchDataproviders.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
    }

    private searchRelatedDatasources(page: number, size: number) {
      // Currently no counting is done for this tab. Following condition is always false

      if( this.reloadRelatedDatasources &&
          ( this.fetchAggregatorsPublications.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchAggregatorsPublications.searchUtils.status == this.errorCodes.DONE )
          &&
          ( this.fetchAggregatorsDatasets.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchAggregatorsDatasets.searchUtils.status == this.errorCodes.DONE )
          &&
          ( this.fetchAggregatorsSoftware.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchAggregatorsSoftware.searchUtils.status == this.errorCodes.DONE )
          &&
          ( this.fetchAggregatorsOrps.searchUtils.status == this.errorCodes.LOADING ||
            this.fetchAggregatorsOrps.searchUtils.status == this.errorCodes.DONE )) {
        this.relatedDatasourcesSub = Observable.merge(this.fetchAggregatorsPublications.requestComplete, this.fetchAggregatorsDatasets.requestComplete, this.fetchAggregatorsSoftware.requestComplete, this.fetchAggregatorsOrps.requestComplete)
                               .subscribe(
                                 data => {},
                                 err => {},
                                 () => { this.preprocessRelatedDatasources(); }
                               )

         this.fetchAggregatorsPublications.getAggregatorResults(this.datasourceId, page, size, this.properties);
         this.fetchAggregatorsDatasets.getAggregatorResults(this.datasourceId, page, size, this.properties);
         this.fetchAggregatorsSoftware.getAggregatorResults(this.datasourceId, page, size, this.properties);
         this.fetchAggregatorsOrps.getAggregatorResults(this.datasourceId, page, size, this.properties);
       } else {
         this.loadingRelatedDatasources = false;
       }


      this.reloadRelatedDatasources = false;
    }

    private countRelatedDatasources(page: number, size: number) {
      this.fetchAggregatorsPublications.getAggregatorResults(this.datasourceId, page, size, this.properties);
      this.fetchAggregatorsDatasets.getAggregatorResults(this.datasourceId, page, size, this.properties);
      this.fetchAggregatorsSoftware.getAggregatorResults(this.datasourceId, page, size, this.properties);
      this.fetchAggregatorsOrps.getAggregatorResults(this.datasourceId, page, size, this.properties);
    }


    private preprocessRelatedDatasources() {
      if( this.fetchAggregatorsPublications.searchUtils.status == this.errorCodes.DONE ||
          this.fetchAggregatorsDatasets.searchUtils.status == this.errorCodes.DONE ||
          this.fetchAggregatorsSoftware.searchUtils.status == this.errorCodes.DONE ||
          this.fetchAggregatorsOrps.searchUtils.status == this.errorCodes.DONE ) {
        this.dataProviderInfo.relatedDatasources = new Map<string, {"name": string, "countPublications": string, "countDatasets": string, "countSoftware": string, "countOrps": string}>();
      }
      for(let result of this.fetchAggregatorsPublications.results) {
        if(!this.dataProviderInfo.relatedDatasources.has(result.id)) {
          this.dataProviderInfo.relatedDatasources.set(result.id, {"name": result.name, "countPublications": result.count, "countDatasets": "0", "countSoftware": "0", "countOrps": "0"});
        } else {
          this.dataProviderInfo.relatedDatasources.get(result.id).countPublications = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countPublications + result.count)+"";
        }
      }

      for(let result of this.fetchAggregatorsDatasets.results) {
        if(!this.dataProviderInfo.relatedDatasources.has(result.id)) {
          this.dataProviderInfo.relatedDatasources.set(result.id, {"name": result.name, "countPublications": "0", "countDatasets": result.count, "countSoftware": "0", "countOrps": "0"});
        } else {
          this.dataProviderInfo.relatedDatasources.get(result.id).countDatasets = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countDatasets + result.count)+"";
        }
      }

      for(let result of this.fetchAggregatorsSoftware.results) {
        if(!this.dataProviderInfo.relatedDatasources.has(result.id)) {
          this.dataProviderInfo.relatedDatasources.set(result.id, {"name": result.name, "countPublications": "0", "countDatasets": "0", "countSoftware": result.count, "countOrps": "0"});
        } else {
          this.dataProviderInfo.relatedDatasources.get(result.id).countSoftware = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countSoftware + result.count)+"";
        }
      }

      for(let result of this.fetchAggregatorsOrps.results) {
        if(!this.dataProviderInfo.relatedDatasources.has(result.id)) {
          this.dataProviderInfo.relatedDatasources.set(result.id, {"name": result.name, "countPublications": "0", "countDatasets": "0", "countSoftware": "0", "countOrps": result.count});
        } else {
          this.dataProviderInfo.relatedDatasources.get(result.id).countOrps = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countOrps + result.count)+"";
        }
      }
      this.loadingRelatedDatasources = false;
    }

    public metricsResults($event) {
      this.totalViews = $event.totalViews;
      this.totalDownloads = $event.totalDownloads;
      this.pageViews = $event.pageViews;
    }
}