D-Net

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

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

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

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

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

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

import {FetchResearchResults} from '../../utils/fetchEntitiesClasses/fetchResearchResults.class';

import {FetchDataproviders} from '../../utils/fetchEntitiesClasses/fetchDataproviders.class';

import {FetchProjects} from '../../utils/fetchEntitiesClasses/fetchProjects.class';

import {FetchOrganizations} from '../../utils/fetchEntitiesClasses/fetchOrganizations.class';

import {SearchResearchResultsService} from '../../services/searchResearchResults.service';

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

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

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

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

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

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

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

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

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

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

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

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

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

import {Observable, Subscription} from "rxjs";

@Component({

  changeDetection: ChangeDetectionStrategy.Default,

  encapsulation: ViewEncapsulation.Emulated,

  selector: 'search-find',

  templateUrl: 'search.component.html'

})

export class SearchComponent {

  public sub: any;

  piwiksub: any;

  public reloadPublications: boolean;

  public reloadDatasets: boolean;

  public reloadSoftware: boolean;

  public reloadOrps: boolean;

  public reloadProjects: boolean;

  public reloadDataproviders: boolean;

  public reloadOrganizations: boolean;

  public pageTitle = "Search in OpenAIRE"

  public keyword: string = "";

  public publications: string[];

  public datasets: string[];

  public software: string[];

  public orps: string[];

  public projectsTab: string[];

  public dataproviders: string[];

  public organizations: string[];

  public activeTab = "publications";

  public linkToSearchPublications = "";

  public linkToSearchProjects = "";

  public linkToSearchDataproviders = "";

  public linkToSearchDatasets = "";

  public linkToSearchSoftware = "";

  public linkToSearchOrps = "";

  public linkToSearchOrganizations = "";

  public fetchPublications: FetchResearchResults;

  public fetchDataproviders: FetchDataproviders;

  public fetchProjects: FetchProjects;

  public fetchDatasets: FetchResearchResults;

  public fetchSoftware: FetchResearchResults;

  public fetchOrps: FetchResearchResults;

  public fetchOrganizations: FetchOrganizations;

  public searchFields: SearchFields = new SearchFields();

  public errorCodes: ErrorCodes = new ErrorCodes();

  public routerHelper: RouterHelper = new RouterHelper();

  public publicationsSize: any = null;

  public datasetsSize: any = null;

  public softwareSize: any = null;

  public oprsSize: any = null;

  public fundersSize: any = null;

  public projectsSize: any = null;

  public datasourcesSize: any = null;

  showPublications: boolean = false;

  showDatasets: boolean = false;

  showSoftware: boolean = false;

  showOrps: boolean = false;

  showProjects: boolean = false;

  showDataProviders: boolean = false;

  showOrganizations: boolean = false;

  advancedSearchLink: string = "/search/advanced/publications";

  properties: EnvProperties;

  @Input() logoURL;

  @Input() name;

  @Input() customFilter: SearchCustomFilter = null;

  @Input() piwikSiteId = null;

  @Input() formPlaceholderText = "Search for research results, projects, content providers & organizations in OpenAIRE";

  public subPub;

  public subData;

  public subSoftware;

  public subOrps;

  public subProjects;

  public subOrg;

  public subDataPr;

  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 _meta: Meta,

              private _title: Title,

              private _piwikService: PiwikService,

              private config: ConfigurationService,

              private seoService: SEOService) {

    this.fetchPublications = new FetchResearchResults(this._searchResearchResultsService);

    this.fetchDataproviders = new FetchDataproviders(this._searchDataprovidersService);

    this.fetchProjects = new FetchProjects(this._searchProjectsService);

    this.fetchDatasets = new FetchResearchResults(this._searchResearchResultsService);

    this.fetchSoftware = new FetchResearchResults(this._searchResearchResultsService);

    this.fetchOrps = new FetchResearchResults(this._searchResearchResultsService);

    this.fetchOrganizations = new FetchOrganizations(this._searchOrganizationsService);

  }

  public ngOnInit() {

    this.route.data

      .subscribe((data: { envSpecific: EnvProperties }) => {

        var description = "open access, research, scientific publication, European Commission, EC, FP7, ERC, Horizon 2020, H2020, search, projects ";

        var title = "OpenAIRE | Search publications, research data, projects... | OpenAIRE";

        this.properties = data.envSpecific;

        var url = data.envSpecific.baseLink + this._router.url;

        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'");

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

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

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

          this.piwiksub = this._piwikService.trackView(this.properties, "OpenAIRE |Search publications, research data, projects...", this.piwikSiteId).subscribe();

        }

        if ((this.customFilter && this.customFilter.queryFieldName == "communityId") || this.properties.adminToolsCommunity) {

          this.config.getCommunityInformation(this.properties, (this.customFilter && this.customFilter.queryFieldName == "communityId") ? this.customFilter.valueId : this.properties.adminToolsCommunity).subscribe(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.showProjects = showEntity["project"];

            this.showOrganizations = showEntity["organization"];

            this.showDataProviders = showEntity["datasource"];

            this.showSoftware = showEntity["software"];

            this.showOrps = showEntity["orp"];

            if (this.customFilter && this.customFilter.queryFieldName == "communityId") {

              this.showProjects = false;

              this.showOrganizations = false;

              this.showDataProviders = false;

            }

            this.loadAll();

          });

        } else {

          if ((this.customFilter && this.customFilter.queryFieldName == "country")) {

            this.showPublications =true;

            this.showDatasets = true;

            this.showDataProviders = true;

            this.showSoftware =  true;

            this.showOrps = true;

            this.showProjects = true;

            this.showOrganizations = true;

            this.showDataProviders = true;

          }

        }

        this.loadAll();

      });

  }

  loadAll() {

    this.sub = this.route.queryParams.subscribe(params => {

      this.reloadTabs();

      this.keyword = (params['keyword']) ? params['keyword'] : "";

      if (this.keyword != null && this.keyword.length > 0) {

        //if showPublications == false will setValues another entity as the first

        if (this.showPublications) {

          this.activeTab = "publications";

          this.searchPublications();

        } else if (this.showDatasets) {

          this.activeTab = "research data";

          this.searchDatasets();

        } else if (this.showSoftware) {

          this.activeTab = "software";

          this.searchSoftware();

        } else if (this.showOrps) {

          this.activeTab = "other research products";

          this.searchOrps();

        } else if (this.showProjects) {

          this.activeTab = "projects";

          this.searchProjects();

        } else if (this.showDataProviders) {

          this.activeTab = "content providers";

          this.searchDataProviders();

        } else if (this.showOrganizations) {

          this.activeTab = "organizations";

          this.searchOrganizations();

        }

        this.count();

      }

    });

  }

  public ngOnDestroy() {

    if (this.sub) {

      this.sub.unsubscribe();

    }

    if (this.piwiksub) {

      this.piwiksub.unsubscribe();

    }

    if (this.keyword != null && this.keyword.length > 0) {

      if (this.subPub) {

        this.subPub.unsubscribe();

      }

      if (this.subData) {

        this.subData.unsubscribe();

      }

      if (this.subSoftware) {

        this.subSoftware.unsubscribe();

      }

      if (this.subOrps) {

        this.subOrps.unsubscribe();

      }

      if (this.subProjects) {

        this.subProjects.unsubscribe();

      }

      if (this.subOrg) {

        this.subOrg.unsubscribe();

      }

      if (this.subDataPr) {

        this.subDataPr.unsubscribe();

      }

    }

  }

  public searchPublications() {

    this.activeTab = "publications";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedPublications;//"/search/advanced/publications";

    if (this.reloadPublications &&

      this.fetchPublications.searchUtils.status != this.errorCodes.NONE /*&&

        this.fetchPublications.searchUtils.status != this.errorCodes.ERROR*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadPublications = false;

      this.fetchPublications.getResultsByKeyword("publication", this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchPublications = this.properties.searchLinkToPublications;// + "?keyword="  + this.keyword;

    }

  }

  public searchDatasets() {

    this.activeTab = "research data";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedDatasets;//"/search/advanced/datasets";

    if (this.reloadDatasets &&

      this.fetchDatasets.searchUtils.status != this.errorCodes.NONE /*&&

        this.fetchDatasets.searchUtils.status != this.errorCodes.ERROR*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadDatasets = false;

      this.fetchDatasets.getResultsByKeyword("dataset", this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchDatasets = this.properties.searchLinkToDatasets;// + "?keyword="  + this.keyword;

    }

  }

  public searchSoftware() {

    this.activeTab = "software";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedSoftware;//"/search/advanced/software";

    if (this.reloadSoftware

      && this.fetchSoftware.searchUtils.status != this.errorCodes.NONE/* &&

        ( this.fetchSoftware.searchUtils.status == this.errorCodes.LOADING ||

          this.fetchSoftware.searchUtils.status == this.errorCodes.DONE )*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadSoftware = false;

      this.fetchSoftware.getResultsByKeyword("software", this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchSoftware = this.properties.searchLinkToSoftware;// + "?keyword="  + this.keyword;

    }

  }

  public searchOrps() {

    this.activeTab = "other research products";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedOrps;//"/search/advanced/other";

    if (this.reloadOrps &&

      this.fetchOrps.searchUtils.status != this.errorCodes.NONE /*&&

        this.fetchOrps.searchUtils.status != this.errorCodes.ERROR*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadOrps = false;

      this.fetchOrps.getResultsByKeyword("other", this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchOrps = this.properties.searchLinkToOrps;

    }

  }

  public searchProjects() {

    this.activeTab = "projects";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedProjects;//"/search/advanced/projects";

    if (this.reloadProjects &&

      this.fetchProjects.searchUtils.status != this.errorCodes.NONE /*&&

        this.fetchProjects.searchUtils.status != this.errorCodes.ERROR*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadProjects = false;

      this.fetchProjects.getResultsByKeyword(this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchProjects = this.properties.searchLinkToProjects;// + "?keyword="  + this.keyword;

    }

  }

  public searchDataProviders() {

    this.activeTab = "content providers";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedDataProviders;//"/search/advanced/dataproviders";

    if (this.reloadDataproviders &&

      this.fetchDataproviders.searchUtils.status != this.errorCodes.NONE /*&&

         this.fetchDataproviders.searchUtils.status != this.errorCodes.ERROR*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadDataproviders = false;

      this.fetchDataproviders.getResultsByKeyword(this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchDataproviders = this.properties.searchLinkToDataProviders;// + "?keyword="  + this.keyword;

    }

  }

  public searchOrganizations() {

    this.activeTab = "organizations";

    this.advancedSearchLink = this.properties.searchLinkToAdvancedOrganizations;//"/search/advanced/organizations";

    if (this.reloadOrganizations &&

      this.fetchOrganizations.searchUtils.status != this.errorCodes.NONE /*&&

         this.fetchOrganizations.searchUtils.status != this.errorCodes.ERROR*/

      && (this.keyword != null && this.keyword.length > 0)) {

      this.reloadOrganizations = false;

      this.fetchOrganizations.getResultsByKeyword(this.keyword, 1, 10, this.properties, this.customFilter);

      this.linkToSearchOrganizations = this.properties.searchLinkToOrganizations;// + "?keyword="  + this.keyword;

    }

  }

  public keywordChanged($event) {

    this.keyword = $event.value;

    //console.info("Search Find: search with keyword \"" +  this.keyword + "\"" );

    this.location.go(location.pathname, "?keyword=" + this.keyword);

    this.reloadTabs();

    if (this.activeTab == "publications") {

      this.searchPublications();

    }

    if (this.activeTab == "projects") {

      this.searchProjects();

    }

    if (this.activeTab == "content providers") {

      this.searchDataProviders();

    }

    if (this.activeTab == "research data") {

      this.searchDatasets();

    }

    if (this.activeTab == "software") {

      this.searchSoftware();

    }

    if (this.activeTab == "other research products") {

      this.searchOrps();

    }

    if (this.activeTab == "organizations") {

      this.searchOrganizations();

    }

    this.count();

  }

  private count() {

    var refineParams = null;

    if (this.customFilter) {

      refineParams = (refineParams ? (refineParams + '&') : '') + "&fq=" + StringUtils.URIEncode(this.customFilter.queryFieldName + " exact " + StringUtils.quote((this.customFilter.valueId)));

    }

    if (this.activeTab != "publications" && this.showPublications) {

      this.fetchPublications.searchUtils.status = this.errorCodes.LOADING;

      this.fetchPublications.results = [];

      this.subPub = this.numOfSearchResults("publication", this.fetchPublications, refineParams);

    }

    if (this.activeTab != "research data" && this.showDatasets) {

      this.fetchDatasets.searchUtils.status = this.errorCodes.LOADING;

      this.fetchDatasets.results = [];

      this.subData = this.numOfSearchResults("dataset", this.fetchDatasets, refineParams);

    }

    if (this.activeTab != "software" && this.showSoftware) {

      this.fetchSoftware.searchUtils.status = this.errorCodes.LOADING;

      this.fetchSoftware.results = [];

      this.subSoftware = this.numOfSearchResults("software", this.fetchSoftware, refineParams);

    }

    if (this.activeTab != "other research products" && this.showOrps) {

      this.fetchOrps.searchUtils.status = this.errorCodes.LOADING;

      this.fetchOrps.results = [];

      this.subOrps = this.numOfSearchResults("other", this.fetchOrps, refineParams);

    }

    if (this.activeTab != "projects" && this.showProjects) {

      this.fetchProjects.searchUtils.status = this.errorCodes.LOADING;

      this.fetchProjects.results = [];

      this.subProjects = this._searchProjectsService.numOfSearchProjects(this.keyword, this.properties, refineParams).subscribe(

        data => {

          this.fetchProjects.searchUtils.totalResults = data;

          this.fetchProjects.searchUtils.status = this.errorCodes.DONE;

          if (this.fetchProjects.searchUtils.totalResults == 0) {

            this.fetchProjects.searchUtils.status = this.errorCodes.NONE;

          }

        },

        err => {

          //console.log(err);

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

          this.fetchProjects.searchUtils.status = this.errorCodes.ERROR;

        }

      );

    }

    if (this.activeTab != "content providers" && this.showDataProviders) {

      this.fetchDataproviders.results = [];

      this.fetchDataproviders.getNumForSearch(this.keyword, this.properties, refineParams);

    }

    if (this.activeTab != "organizations" && this.showOrganizations) {

      this.fetchOrganizations.searchUtils.status = this.errorCodes.LOADING;

      this.fetchOrganizations.results = [];

      this.subOrg = this._searchOrganizationsService.numOfSearchOrganizations(this.keyword, this.properties, refineParams).subscribe(

        data => {

          this.fetchOrganizations.searchUtils.totalResults = data;

          this.fetchOrganizations.searchUtils.status = this.errorCodes.DONE;

          if (this.fetchOrganizations.searchUtils.totalResults == 0) {

            this.fetchOrganizations.searchUtils.status = this.errorCodes.NONE;

          }

        },

        err => {

          //console.log(err);

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

          this.fetchOrganizations.searchUtils.status = this.errorCodes.ERROR;

        }

      );

    }

  }

  private numOfSearchResults(resultType: string, fetchClass: FetchResearchResults, refineParams) {

    return this._searchResearchResultsService.numOfSearchResults(resultType, this.keyword, this.properties, refineParams).subscribe(

      data => {

        fetchClass.searchUtils.totalResults = data;

        fetchClass.searchUtils.status = this.errorCodes.DONE;

        if (fetchClass.searchUtils.totalResults == 0) {

          fetchClass.searchUtils.status = this.errorCodes.NONE;

        }

      },

      err => {

        this.handleError("Error getting number of "+this.getEntityName(resultType, true, true), err);

        fetchClass.searchUtils.status = this.errorCodes.ERROR;

      }

    );

  }

  private reloadTabs() {

    this.reloadPublications = true;

    this.reloadDatasets = true;

    this.reloadSoftware = true;

    this.reloadOrps = true;

    this.reloadProjects = true;

    this.reloadDataproviders = true;

    this.reloadOrganizations = true;

    this.fetchOrganizations.searchUtils.status = null;

    this.fetchDataproviders.searchUtils.status = null;

    this.fetchProjects.searchUtils.status = null;

    this.fetchPublications.searchUtils.status = null;

    this.fetchDatasets.searchUtils.status = null;

    this.fetchSoftware.searchUtils.status = null;

    this.fetchOrps.searchUtils.status = null;

  }

  private handleError(message: string, error) {

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

  }

  private getEntityName (entityType:string, plural:boolean, full:boolean): string {

    if(entityType == "publication") {

      return "publication" + (plural ? "s" : "");

    } else if(entityType == "dataset") {

      return (full ? "research data" : ("dataset" + (plural ? "s" : "")));

    } else if(entityType == "software") {

      return "software";

    } else if(entityType == "other") {

      return (full ? ("other research product" + (plural ? "s" : "")) : "other");

    }

  }

}