D-Net

import {ChangeDetectorRef, 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} from "rxjs";

import {AdvancedField, Filter} from "../searchUtils/searchHelperClasses.class";

@Component({

  changeDetection: ChangeDetectionStrategy.Default,

  encapsulation: ViewEncapsulation.Emulated,

  selector: 'search-all',

  templateUrl: 'searchAll.component.html'

})

export class SearchAllComponent {

  public sub: any;

  piwiksub: any;

  // public reloadResults: boolean;

  // public reloadPublications: boolean;

  // public reloadDatasets: boolean;

  // public reloadSoftware: boolean;

  // public reloadOrps: boolean;

  // public reloadProjects: boolean;

  // public reloadDataproviders: boolean;

  // public reloadOrganizations: boolean;

  reload:{result:boolean, projects:boolean, datasources: boolean, organizations:boolean} = {result:true, projects:true, datasources: true, organizations:true};

  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 activeEntity = null;

  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();

  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;

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

    filter: null,

    selected: true,

    filterId: "resultbestaccessright",

    value: "Open Access"

  };

  resultTypes = {publication: true, dataset: true, software: true, other: true};

  //adv Search Form

  public fieldIds: string[] = this.searchFields.RESULT_ADVANCED_FIELDS;

  public fieldIdsMap = this.searchFields.RESULT_FIELDS;

  public selectedFields: AdvancedField[] = [];

  //new

  parameters = {};

  disableForms: boolean = true;

  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, private router: Router, private cdr:ChangeDetectorRef) {

    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);

    this.selectedFields.push(new AdvancedField(this.fieldIds[0], this.fieldIdsMap[this.fieldIds[0]].param, this.fieldIdsMap[this.fieldIds[0]].name, this.fieldIdsMap[this.fieldIds[0]].type, '', "and"));

  }

  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 == "communitId") || this.properties.adminToolsCommunity) {

          this.config.getCommunityInformation(this.properties, (this.customFilter && this.customFilter.queryFieldName == "communitId") ? 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.reloadTabs();

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

      this.parameters = Object.assign({}, params);

      this.keyword = (params['keyword']) ? params['keyword'] : (params["q"] ? params["q"] : (params["f0"] && params["f0"] == "q" && params["fv0"]?params["fv0"]:""));

      this.selectedFields[0].value = this.keyword;

      this.quickFilter.selected = ((params['qf']== undefined || params["qf"] == "true") == true);

      if (params["type"] && params["type"].length > 0) {

        this.resultTypes['publication'] = (params["type"].split(",").indexOf("publications") != -1);

        this.resultTypes['dataset'] = (params["type"].split(",").indexOf("datasets") != -1);

        this.resultTypes['software'] = (params["type"].split(",").indexOf("software") != -1);

        this.resultTypes['other'] = (params["type"].split(",").indexOf("other") != -1);

      }

      if(this.activeEntity == null && (!params["active"] || params["active"].length ==0)){

        this.activeEntity = this.getDefaultEntityToShow();

      }else if(params["active"] && params["active"].length >0 ){

        this.activeEntity = ((["result","projects","organizations","datasources"]).indexOf(params["active"])!= -1)?params["active"]:this.getDefaultEntityToShow();

      }else if (this.activeEntity !=null  && (!params["active"] || params["active"].length ==0)){

        this.parameters["active"]=this.activeEntity;

        if(location.search && location.search.indexOf("active=") == -1){

          this.location.go(location.pathname, ((location.search)?(location.search+"&"):("?")) +"active=" + this.activeEntity);

        }

      }

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

        this.searchResults();

      } else if (this.activeEntity == "projects") {

        this.searchProjects();

      } else if (this.activeEntity == "datasources") {

        this.searchDataProviders();

      } else if (this.activeEntity == "organizations") {

        this.searchOrganizations();

      }

      this.count();

    });

  }

  getDefaultEntityToShow(){

    if (this.showPublications || this.showDatasets || this.showSoftware || this.showOrps) {

      return "result";

    } else if (this.showProjects) {

      return "projects";

    } else if (this.showDataProviders) {

      return "content providers";

    } else if (this.showOrganizations) {

      return "organizations";

    }

  }

  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 searchResults() {

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

    if (this.reload[this.activeEntity] &&

      this.fetchPublications.searchUtils.status != this.errorCodes.NONE) {

      this.reload[this.activeEntity] = false;

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

    }

  }

  public searchProjects() {

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

    if (this.reload[this.activeEntity] &&

      this.fetchProjects.searchUtils.status != this.errorCodes.NONE ) {

      this.reload[this.activeEntity]  = false;

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

    }

  }

  public searchDataProviders() {

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

    if ( this.reload[this.activeEntity] &&

      this.fetchDataproviders.searchUtils.status != this.errorCodes.NONE) {

      this.reload[this.activeEntity] = false;

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

    }

  }

  public searchOrganizations() {

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

    if (this.reload[this.activeEntity] &&

      this.fetchOrganizations.searchUtils.status != this.errorCodes.NONE) {

      this.reload[this.activeEntity] = false;

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

    }

  }

  private prepareKeywordParam(keyword){

    if (this.parameters["q"] && keyword.length == 0) {

      delete this.parameters['q'];

      delete this.parameters['op'];

    } else {

      this.parameters["fv0"] = keyword;

      this.parameters["f0"] = "q";

    }

  }

  private prepareResultParameters() {

    //quickSelections

    if (this.resultTypes && this.activeEntity == "result") {

      let values = [];

      if (this.resultTypes.publication) {

        values.push("publications");

      }

      if (this.resultTypes.dataset) {

        values.push("datasets");

      }

      if (this.resultTypes.software) {

        values.push("software");

      }

      if (this.resultTypes.other) {

        values.push("other");

      }

      if (values.length > 0) {

        this.parameters["type"] = values.join(",");

      }

    }

    if (this.quickFilter && this.activeEntity == "result") {

      this.parameters["qf"] = this.quickFilter.selected;

    }

  }

  public quickSelectionsChanged() {

    this.prepareResultParameters();

    this.reload[this.activeEntity] = true;

    this.router.navigate([location.pathname], {queryParams: this.parameters});

  }

  public keywordChanged($event) {

    this.prepareKeywordParam(this.selectedFields[0].value);

    this.reloadTabs();

    this.router.navigate([location.pathname], {queryParams: this.parameters});

  }

  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.activeEntity != "result" && this.reload["result"] &&  (this.showPublications || this.showSoftware || this.datasets || this.showOrps)) {

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

      this.reload["result"] = false;

      this.fetchPublications.results = [];

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

    }

    if (this.activeEntity != "projects" && this.reload["projects"] && this.showProjects) {

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

      this.fetchProjects.results = [];

      this.reload["projects"] = false;

      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.activeEntity != "datasources"  && this.reload["datasources"] && this.showDataProviders) {

      this.fetchDataproviders.results = [];

      this.reload["datasources"] = false;

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

    }

    if (this.activeEntity != "organizations" && this.reload["organizations"] && this.showOrganizations) {

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

      this.fetchOrganizations.results = [];

      this.reload["organizations"] = false;

      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(fetchClass: FetchResearchResults, refineParams): Observable<any> {

    return this._searchResearchResultsService.numOfResearchOutcomes(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 research results", err);

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

      }

    );

  }

  private reloadTabs() {

    this.reload = {result:true, projects:true, datasources: true, organizations:true};

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

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

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

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

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

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

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

  }

  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");

    }

  }

  activeEntityUpdate($event) {

    this.disableForms = $event.disableForms;

    let updated = true;

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

      if($event.searchUtils.status!=this.errorCodes.LOADING) {

        this.fetchPublications.searchUtils.totalResults = $event.searchUtils.totalResults;

      }

      this.fetchPublications.searchUtils.status = $event.searchUtils.status;

    }else if (this.activeEntity == "projects"){

      if($event.searchUtils.status!=this.errorCodes.LOADING) {

        this.fetchProjects.searchUtils.totalResults = $event.searchUtils.totalResults;

      }

      this.fetchProjects.searchUtils.status = $event.searchUtils.status;

    }else if (this.activeEntity == "datasources"){

      if($event.searchUtils.status!=this.errorCodes.LOADING) {

        this.fetchDataproviders.searchUtils.totalResults = $event.searchUtils.totalResults;

      }

      this.fetchDataproviders.searchUtils.status = $event.searchUtils.status;

    }else if (this.activeEntity == "organizations") {

      if($event.searchUtils.status!=this.errorCodes.LOADING) {

        this.fetchOrganizations.searchUtils.totalResults = $event.searchUtils.totalResults;

      }

      this.fetchOrganizations.searchUtils.status = $event.searchUtils.status;

    }else{

      updated = false;

    }

    if(updated) {

      this.cdr.detectChanges();

    }

  }

  entityChanged(entity){

    this.activeEntity = entity;

      this.parameters = {};

      this.reload[entity]= true;

      this.parameters["active"] = entity;

    if ( this.keyword.length > 0) {

      this.parameters["q"] = this.keyword;

      this.parameters["op"] = "and";

    }

      this.router.navigate(["/search/find"], {queryParams: this.parameters});

    }

}