D-Net

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

import {Subscription} from 'rxjs';

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

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

import "rxjs/add/observable/zip";

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

import {ConfigurationService} from '../openaireLibrary/utils/configuration/configuration.service';

import {  SearchDataprovidersService} from '../openaireLibrary/services/searchDataproviders.service';

import {  SearchProjectsService} from '../openaireLibrary/services/searchProjects.service';

import {  SearchOrganizationsService} from '../openaireLibrary/services/searchOrganizations.service';

import {  RefineFieldResultsService} from '../openaireLibrary/services/refineFieldResults.service';

import {  SearchFields} from '../openaireLibrary/utils/properties/searchFields';

import {  NumberUtils} from '../openaireLibrary/utils/number-utils.class';

import {  RouterHelper} from '../openaireLibrary/utils/routerHelper.class';

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

import { ErrorCodes} from '../openaireLibrary/utils/properties/errorCodes';

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

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

import {SearchResearchResultsService} from "../openaireLibrary/services/searchResearchResults.service";

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

import {Filter} from "../openaireLibrary/searchPages/searchUtils/searchHelperClasses.class";

import {AggregatorInfo, PortalAggregators} from "../utils/aggregators";

import {SearchCustomFilter} from "../openaireLibrary/searchPages/searchUtils/searchUtils.class";

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

import {portalProperties} from "../../environments/environment-aggregator";

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

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

@Component({

  selector: 'home',

  templateUrl: 'home.component.html',

})

export class HomeComponent {

  // public pageTitle = "OpenAIRE - Explore |" ;

  public keyword:string = "";

  public searchFields:SearchFields = new SearchFields();

  public errorCodes:ErrorCodes = new ErrorCodes();

  public routerHelper:RouterHelper = new RouterHelper();

  public publicationsSize:any = null;

  public datasetsSize:any = null;

  public datasetsLinkedSize:any = null;

  public softwareLinkedSize:any = null;

  public softwareSize: any = null;

  public otherSize: any = null;

  public fundersSize:any = null;

  public projectsSize:any = null;

  public datasourcesSize:any = null;

  showPublications: boolean = portalProperties.entities.publication.isEnabled;

  showDatasets: boolean = portalProperties.entities.dataset.isEnabled;

  showSoftware: boolean = portalProperties.entities.software.isEnabled;

  showOrp: boolean = portalProperties.entities.other.isEnabled;

  showOrganizations: boolean = portalProperties.entities.organization.isEnabled;

  showProjects: boolean = portalProperties.entities.project.isEnabled;

  showDataProviders: boolean = portalProperties.entities.datasource.isEnabled;

  properties: EnvProperties;

  public readMore: boolean = false;

  subs: Subscription[] = [];

  resultsQuickFilter: { filter: Filter, selected: boolean, filterId: string, value: string } = {

    filter: null,

    selected: true,

    filterId: "resultbestaccessright",

    value: "Open Access"

  };

  selectedEntity = "all";

  selectedEntitySimpleUrl;

  selectedEntityAdvancedUrl;

  resultTypes:Filter = {values:[],filterId:"type", countSelectedValues: 0, filterType: 'checkbox', originalFilterId: "", valueIsExact: true, title: "Result Types",filterOperator:"or"};

  public pageContents = null;

  customFilter:SearchCustomFilter= null;

  aggregatorId;

  aggregator:AggregatorInfo;

  constructor (

    private route: ActivatedRoute,

    private _router: Router,

    private _searchResearchResultsService: SearchResearchResultsService,

    private _searchDataprovidersService: SearchDataprovidersService,

    private _searchProjectsService: SearchProjectsService,

    private _searchOrganizationsService: SearchOrganizationsService,

    private _refineFieldResultsService:RefineFieldResultsService,

    private location: Location, private _piwikService:PiwikService,

    private config: ConfigurationService, private _meta: Meta, private _title: Title, private seoService: SEOService,

    private helper: HelperService

  ) {

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

    this.aggregator =  PortalAggregators.getFilterInfoByMenuId(this.aggregatorId);

    this.customFilter = PortalAggregators.getSearchCustomFilterByAggregator(this.aggregator);

    let description = "OpenAIRE Explore: Over 100M of research deduplicated, 170K research software, 11M research data. One of the largest open scholarly records collection worldwide.";

    let title = "OpenAIRE - Explore| " +this.aggregator.title;

    this._title.setTitle(title);

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

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

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

  }

  private getPageContents() {

    this.subs.push(this.helper.getPageHelpContents(this.properties, 'openaire', this._router.url).subscribe(contents => {

      this.pageContents = contents;

    }));

  }

  public getKeys(obj: {}) {

    return Object.keys(obj);

  }

  createRange(number){

    var items: number[] = [];

    for(var i = 1; i <= number; i++){

      items.push(i);

    }

    return items;

  }

  public ceil(num: number) {

    return Math.ceil(num);

  }

  public ngOnInit() {

    this.properties = properties;

    this.seoService.createLinkForCanonicalURL(this.properties.domain + this.properties.baseLink+this._router.url, false);

    this.getPageContents();

    if(this.properties!=null){

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

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

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

        this.subs.push(this._piwikService.trackView(this.properties, "OpenAIRE").subscribe());

      }

      //this.config.getCommunityInformation(this.properties, this.properties.adminToolsCommunity ).subscribe(data => {

      this.subs.push(this.config.communityInformationState.subscribe(data => {

          if(data) {

            var showEntity = {};

            for (var i = 0; i < data['entities'].length; i++) {

              showEntity["" + data['entities'][i]["pid"] + ""] = data['entities'][i]["isEnabled"];

            }

            this.showPublications = showEntity["publication"];

            this.showDatasets = showEntity["dataset"];

            this.showSoftware = showEntity["software"];

            this.showOrp = showEntity["orp"];

            this.showProjects = showEntity["project"];

            this.showDataProviders = showEntity["datasource"];

            this.showOrganizations = showEntity["organization"];

            if(this.showPublications){

              this.resultTypes.values.push({name: "Publications" , id:"publications",selected:true, number:0});

            }

            if(this.showDatasets){

              this.resultTypes.values.push({name: "Research data" , id:"datasets",selected:true, number:0});

            }

            if(this.showSoftware){

              this.resultTypes.values.push({name: "Software" , id:"software",selected:true, number:0});

            }

            if(this.showOrp){

              this.resultTypes.values.push({name: "Other research products" , id:"other",selected:true, number:0});

            }

            this.getNumbers();

          }

        },

        error => {

          this.handleError("Error getting community information", error);

        }

      ));

    }

  }

  public ngOnDestroy() {

    for (let sub of this.subs) {

      sub.unsubscribe();

    }

  }

  private getNumbers() {

    let refineQuery = null

    if(this.customFilter){

      refineQuery= "&fq="+StringUtils.URIEncode(this.customFilter.queryFieldName + " exact " + StringUtils.quote((this.customFilter.valueId )));

    }

    if(this.showPublications){

      this.subs.push(this._searchResearchResultsService.numOfSearchResults("publication", "", this.properties, refineQuery).subscribe(

        data => {

          if(data && data != null && data > 0 ){

            this.publicationsSize = NumberUtils.roundNumber(data);

          }

        },

        err => {

          //console.log(err);

          this.handleError("Error getting number of publications", err);

        }

      ));

    }

    if(this.showDatasets){

      this.subs.push(this._searchResearchResultsService.numOfSearchResults("dataset", "", this.properties, refineQuery).subscribe(

        data => {

          if(data && data != null && data > 0 ){

            this.datasetsSize = NumberUtils.roundNumber(data);

          }

        },

        err => {

          //console.log(err);

          this.handleError("Error getting number of research data", err);

        }

      ));

      /*this.subs.push(this._searchResearchResultsService.numOfSearchResultsLinkedToPub("dataset", this.properties, refineQuery).subscribe(

        data => {

          if(data && data != null && data > 0 ){

            this.datasetsLinkedSize = NumberUtils.roundNumber(data);

          }

        },

        err => {

          //console.log(err);

          this.handleError("Error getting number of linkedresearch data", err);

        }

      ));*/

    }

    if (this.showSoftware) {

      this.subs.push(this._searchResearchResultsService.numOfSearchResults("software", "", this.properties, refineQuery).subscribe(

        data => {

          if (data && data > 0) {

            this.softwareSize = NumberUtils.roundNumber(data);

          }else{

            this.showSoftware = false;

          }

        },

        err => {

          this.handleError("Error getting number of software data", err);

        }

      ));

    /*  this.subs.push(this._searchResearchResultsService.numOfSearchResultsLinkedToPub("software", this.properties, refineQuery).subscribe(

        data => {

          if(data && data != null && data > 0 ){

            this.softwareLinkedSize = NumberUtils.roundNumber(data);

          }

        },

        err => {

          //console.log(err);

          this.handleError("Error getting number of linked software", err);

        }

      ));*/

    }

    if (this.showOrp) {

      this.subs.push(this._searchResearchResultsService.numOfSearchResults("other", "", this.properties, refineQuery).subscribe(

        data => {

          if (data && data > 0) {

            this.otherSize = NumberUtils.roundNumber(data);

          }else{

            this.showOrp = false;

          }

        },

        err => {

          this.handleError("Error getting number of software data", err);

        }

      ));

    }

    if(this.showProjects){

      this.subs.push(this._refineFieldResultsService.getRefineFieldsResultsByEntityName(["funder"],"project", this.properties, refineQuery).subscribe(

        data => {

          if(data[0] && data[0] > 0 ){

            this.projectsSize = NumberUtils.roundNumber(data[0]);

          }

          if(data[1].length > 0 && data[1][0].filterId == "funder" && data[1][0].values ){

            this.fundersSize = NumberUtils.roundNumber(data[1][0].values.length);

          }

        },

        err => {

          //console.log(err);

          this.handleError("Error getting 'funder' field results of projects", err);

        }));

    }

    if(this.showDataProviders){

      this.subs.push(this._searchDataprovidersService.numOfSearchDataproviders("", this.properties, refineQuery).subscribe(

        data => {

          if(data && data != null && data > 0 ){

            this.datasourcesSize = NumberUtils.roundNumber(data);

          }

        },

        err => {

          //console.log(err);

          this.handleError("Error getting number of content providers", err);

        }

      ));

    }

  }

  private handleError(message: string, error) {

    console.error("Home Page: "+message, error);

  }

  entityChanged($event){

    this.selectedEntity = $event.entity;

    this.selectedEntitySimpleUrl = $event.simpleUrl;

    this.selectedEntityAdvancedUrl = $event.advancedUrl;

  }

  goTo(simple:boolean){

    let url = (simple)?this.selectedEntitySimpleUrl:this.selectedEntityAdvancedUrl;

    let parameterNames = [];

    let parameterValues = [];

    if (this.selectedEntity == "result") {

      if (this.resultTypes) {

        let values = [];

        for(let value of this.resultTypes.values){

          if (value.selected) {

            values.push(value.id);

          }

        }

        if (values.length > 0 && values.length !=4) {

          parameterNames.push("type");

          parameterValues.push(values.join(","));

        }

        if (this.resultsQuickFilter) {

          parameterNames.push("qf");

          parameterValues.push("" + this.resultsQuickFilter.selected);

        }

      }

    }else if(this.selectedEntity == "all"){

      if (this.resultsQuickFilter) {

        parameterNames.push("qf");

        parameterValues.push("true");

      }

    }

    if(this.keyword.length > 0) {

      parameterNames.push("fv0");

      parameterValues.push(this.keyword);

      parameterNames.push("f0");

      parameterValues.push("q");

    }

    if(this.customFilter){

      parameterNames.push(this.customFilter.queryFieldName);

      parameterValues.push(this.customFilter.valueId);

      parameterNames.push("cf");

      parameterValues.push("true");

    }

    this._router.navigate([url], {queryParams: this.routerHelper.createQueryParams(parameterNames, parameterValues)});

  }

  getQueryParamsForAdvancedSearch(entity){

    let params = {};

    if (entity == "result") {

      if (this.resultsQuickFilter) {

        params["qf"] = "" + this.resultsQuickFilter.selected;

      }

    }

    if(this.keyword.length > 0) {

      params["fv0"] = "" + this.keyword;

      params["f0"] = "q";

    }

    if(this.customFilter){

     params = this.customFilter.getParameters(params);

    }

    return params;

  }

}