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import {ChangeDetectorRef, Component, OnDestroy, OnInit} from '@angular/core';
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import {ActivatedRoute, Params, Router} from '@angular/router';
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import {DomSanitizer, Meta, Title} from '@angular/platform-browser';
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import {EnvProperties} from '../openaireLibrary/utils/properties/env-properties';
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import {PiwikService} from '../openaireLibrary/utils/piwik/piwik.service';
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import {StringUtils} from '../openaireLibrary/utils/string-utils.class';
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import {ErrorCodes} from '../openaireLibrary/utils/properties/errorCodes';
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import {ErrorMessagesComponent} from '../openaireLibrary/utils/errorMessages.component';
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import {HelperService} from "../openaireLibrary/utils/helper/helper.service";
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import {SEOService} from "../openaireLibrary/sharedComponents/SEO/SEO.service";
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import {StakeholderService} from "../services/stakeholder.service";
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import {Category, ChartHelper, IndicatorPath, Stakeholder, SubCategory, Topic} from "../utils/entities/stakeholder";
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import {StatisticsService} from "../utils/services/statistics.service";
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import {Item, Sidebar} from "../utils/entities/sidebar";
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import {IndicatorUtils, StakeholderUtils} from "../utils/indicator-utils";
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import {StakeholderCreator} from "../utils/entities/stakeholderCreator";
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import {LayoutService} from "../library/sharedComponents/sidebar/layout.service";
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@Component({
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  selector: 'monitor',
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  templateUrl: 'monitor.component.html',
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})
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export class MonitorComponent implements OnInit, OnDestroy {
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  public piwiksub: any;
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  public pageContents = null;
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  public divContents = null;
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  public status: number;
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  public loading: boolean = true;
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  public indicatorUtils: IndicatorUtils = new IndicatorUtils();
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  public stakeholderUtils: StakeholderUtils = new StakeholderUtils();
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  public activeTopic: Topic = null;
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  public activeCategory: Category = null;
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  public activeSubCategory: SubCategory = null;
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  public sideBar: Sidebar = null;
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  public errorCodes: ErrorCodes;
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  public stakeholder: Stakeholder;
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  public numberResults: Map<number, number> = new Map<number, number>();
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  public chartsActiveType: Map<number, IndicatorPath> = new Map<number, IndicatorPath>();
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  private errorMessages: ErrorMessagesComponent;
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  properties: EnvProperties;
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  fundingL0;
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  startYear;
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  endYear;
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  constructor(
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    private route: ActivatedRoute,
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    private _router: Router,
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    private _meta: Meta,
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    private _title: Title,
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    private _piwikService: PiwikService,
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    private helper: HelperService,
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    private stakeholderService: StakeholderService,
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    private statisticsService: StatisticsService,
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    private layoutService: LayoutService,
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    private seoService: SEOService,
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    private cdr: ChangeDetectorRef,
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    private sanitizer: DomSanitizer) {
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      this.errorCodes = new ErrorCodes();
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      this.errorMessages = new ErrorMessagesComponent();
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      this.status = this.errorCodes.LOADING;
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  }
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  public ngOnInit() {
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    this.layoutService.setHasSidebar(false);
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    this.layoutService.setHasHeader(false);
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    this.route.data
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      .subscribe((data: { envSpecific: EnvProperties }) => {
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        this.route.params.subscribe(params => {
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          this.properties = data.envSpecific;
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          var url = data.envSpecific.baseLink + this._router.url;
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          if (!this.stakeholder || this.stakeholder.index_id !== params['stakeholder']) {
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            this.status = this.errorCodes.LOADING;
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            this.numberResults = new Map<number, number>();
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            this.chartsActiveType = new Map<number, IndicatorPath>();
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            // this.stakeholderService.getStakeholderAsObservable().subscribe(stakeholder => {
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            let stakeholder:Stakeholder = null;
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            if(params['stakeholder']=="fwf"){
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              stakeholder = new Stakeholder("fwf", "funder", "fwf_________::FWF","Austrian Science Fund (FWF)","FWF",
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              false,"fwf",true,true, null);
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              stakeholder = this.stakeholderUtils.
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              createFunderFromDefaultProfile(stakeholder, StakeholderCreator.createFunderDefaultProfile().topics);
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              stakeholder.logoUrl = "./assets/fwf.png";
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            }else if(params['stakeholder']=="arc"){
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              stakeholder = new Stakeholder("arc","funder","arc_________::ARC",
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                "Australian Research Council (ARC)","ARC",
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                false,"arc",true,true, null);
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              stakeholder = this.stakeholderUtils.
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              createFunderFromDefaultProfile(stakeholder, StakeholderCreator.createFunderDefaultProfile().topics);
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              stakeholder.logoUrl = "./assets/arc1.gif";
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            }else{
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              stakeholder = new Stakeholder("ec","funder","ec__________::EC",
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                "European Commission","EC",
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                false,"ec",true,true, null);
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              stakeholder = this.stakeholderUtils.
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              createFunderFromDefaultProfile(stakeholder, StakeholderCreator.createFunderDefaultProfile().topics);
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              stakeholder.logoUrl = "./assets/ec.png";
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            }
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              if(stakeholder) {
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                this.stakeholder = stakeholder;
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                this.seoService.createLinkForCanonicalURL(url, false);
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                this._meta.updateTag({content: url}, "property='og:url'");
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                var description = "Monitor Dashboard | " + this.stakeholder.index_name;
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                var title = "Monitor Dashboard | " + this.stakeholder.index_shortName;
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                this._meta.updateTag({content: description}, "name='description'");
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                this._meta.updateTag({content: description}, "property='og:description'");
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                this._meta.updateTag({content: title}, "property='og:title'");
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                this._title.setTitle(title);
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                if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {
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                  this.piwiksub = this._piwikService.trackView(this.properties, title, this.properties.piwikSiteId).subscribe();
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                }
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                //this.getDivContents();
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                this.getPageContents();
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                this.status = this.errorCodes.DONE;
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                this.setView(params);
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              }
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            // }, error => {
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            //   this.navigateToError();
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            // })
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          } else {
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            this.setView(params);
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          }
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        });
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      });
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  }
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  public get open() {
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    return this.layoutService.open;
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  }
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  public toggleOpen(event = null) {
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    if(!event) {
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      this.layoutService.setOpen(!this.open);
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    } else if(event && event['value'] === true) {
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      this.layoutService.setOpen(false);
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    }
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  }
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  private getPageContents() {
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    this.helper.getPageHelpContents(this._router.url, this.properties, 'monitor').subscribe(contents => {
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      this.pageContents = contents;
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    })
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  }
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  private getDivContents() {
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    this.helper.getDivHelpContents(this._router.url, this.properties, 'monitor').subscribe(contents => {
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      this.divContents = contents;
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    })
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  }
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  private setView(params: Params) {
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    if (params && params['topic']) {
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      this.activeTopic = this.stakeholder.topics.filter(topic => topic.alias === decodeURIComponent(params['topic']))[0];
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      if (this.activeTopic) {
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        if (params['category']) {
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          this.activeCategory = this.activeTopic.categories.filter(category =>
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            (category.alias === params['category']) && category.isPublic && category.isActive)[0];
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        } else {
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          let category: Category = this.activeTopic.categories[0];
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          if(category) {
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            this.navigateTo(this.stakeholder.alias, this.activeTopic.alias, category.alias);
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          } else {
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            this.navigateToError();
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          }
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          return;
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        }
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        if (this.activeCategory) {
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          if (params['subCategory']) {
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            this.activeSubCategory = this.activeCategory.subCategories.filter(subCategory =>
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              (subCategory.alias === params['subCategory'] && subCategory.isPublic && subCategory.isActive))[0];
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          } else {
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            this.activeSubCategory = this.activeCategory.subCategories.filter(subCategory =>
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              !subCategory.alias && subCategory.isPublic && subCategory.isActive)[0];
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          }
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          if (this.activeSubCategory) {
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            this.setSideBar();
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            this.setIndicators();
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            return;
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          } else {
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            let subCategory: SubCategory = this.activeCategory.subCategories.filter(subCategory =>
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              subCategory.isPublic && subCategory.isActive)[0];
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            this.navigateTo(this.stakeholder.alias, this.activeTopic.alias, this.activeCategory.alias, subCategory.alias);
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            return;
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          }
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        }
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      }
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      this.navigateToError();
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    } else {
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      let topic: Topic = this.stakeholder.topics[0];
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      let category: Category = topic.categories.filter(category => category.isPublic && category.isActive)[0];
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      if(topic && category) {
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        this.navigateTo(this.stakeholder.alias, topic.alias, category.alias);
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      } else {
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        this.navigateToError();
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      }
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    }
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  }
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  private setSideBar() {
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    let items: Item[] = [];
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    this.activeTopic.categories.forEach(category => {
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      if (category.isPublic && category.isActive) {
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        let subItems: Item[] = [];
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        category.subCategories.forEach(subCategory => {
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          if (subCategory.alias != null && subCategory.isPublic && subCategory.isActive) {
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            subItems.push(new Item(subCategory.name, (
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              '/' + this.stakeholder.alias + '/' + this.activeTopic.alias + '/' + category.alias + '/' + subCategory.alias),
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              null, null, false));
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          }
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        });
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        const open = this.activeCategory.alias === category.alias;
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        items.push(new Item(category.name, (
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          '/' +  this.stakeholder.alias + '/' + this.activeTopic.alias + '/' + category.alias),
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          subItems, null, open));
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      }
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    });
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    this.sideBar = new Sidebar(items, null);
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  }
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  private setIndicators() {
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    let urls: Map<string, number[]> = new Map<string, number[]>();
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    this.activeSubCategory.numbers.forEach((number, index) => {
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      if (number.isActive && number.isPublic) {
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        let url = number.indicatorPaths[0].url;
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        //add fundingLevel0 filter in the query
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        if(this.fundingL0 && number.indicatorPaths[0].filters.get("fundingL0")){
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          url = url + number.indicatorPaths[0].filters.get("fundingL0").replace(ChartHelper.prefix+'fundingL0'+ChartHelper.suffix,encodeURIComponent(this.fundingL0));
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        }
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        const pair = JSON.stringify([number.indicatorPaths[0].source, url]);
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        const indexes = urls.get(pair) ? urls.get(pair) : [];
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        indexes.push(index);
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        urls.set(pair, indexes);
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      }
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    });
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    urls.forEach((indexes, pair) => {
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      pair = JSON.parse(pair);
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      this.statisticsService.getNumbers(pair[0], pair[1]).subscribe(response => {
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        indexes.forEach(index => {
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          let result = JSON.parse(JSON.stringify(response));
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          this.activeSubCategory.numbers[index].indicatorPaths[0].jsonPath.forEach(jsonPath => {
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            if (result) {
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              result = result[jsonPath];
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            }
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          });
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          this.numberResults.set(index, result);
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        });
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      })
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    });
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    this.activeSubCategory.charts.forEach((chart, index) => {
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      if (chart.indicatorPaths.length > 0) {
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        chart.indicatorPaths[0].safeResourceUrl = this.getUrlByStakeHolder(chart.indicatorPaths[0]);
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        this.chartsActiveType.set(index, chart.indicatorPaths[0]);
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      }
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    });
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    this.cdr.detectChanges();
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  }
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  public getUrlByStakeHolder(indicatorPath: IndicatorPath) {
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    return this.sanitizer.bypassSecurityTrustResourceUrl(
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      this.statisticsService.getChartUrl(indicatorPath.source, this.indicatorUtils.getFullUrl(indicatorPath, this.fundingL0, this.startYear, this.endYear)));
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  }
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  public setActiveChart(index, type: string) {
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    let activeChart = this.activeSubCategory.charts[index].indicatorPaths.filter(indicatorPath => indicatorPath.type === type)[0];
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    activeChart.safeResourceUrl = this.getUrlByStakeHolder(activeChart);
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    this.chartsActiveType.set(index, activeChart);
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  }
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  private navigateToError() {
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    this._router.navigate(['/error'], {queryParams: {'page': this._router.url}});
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  }
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  public navigateTo(stakeholder: string, topic: string, category: string = null, subcategory: string = null) {
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    let url = stakeholder + '/' + topic + ((category) ? ('/'
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      + category) : '') + ((subcategory) ? ('/' + subcategory) : '');
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    return this._router.navigate([url]);
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  }
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  public quote(param: string): string {
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    return StringUtils.quote(param);
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  }
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  public ngOnDestroy() {
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    if (this.piwiksub) {
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      this.piwiksub.unsubscribe();
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    }
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  }
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}