D-Net

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

import {SearchCrossrefService} from './service/searchCrossref.service';

import {SearchOrcidService} from './service/searchOrcid.service';

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

import {SearchDataciteService} from './service/searchDatacite.service';

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

import {ClaimEntity, ClaimResult} from './claimHelper.class';

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

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

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

import {Observable, Subscriber} from "rxjs";

import 'rxjs/add/observable/forkJoin'

import {NewSearchPageComponent} from "../../searchPages/searchUtils/newSearchPage.component";

import {RangeFilter} from "../../utils/rangeFilter/rangeFilterHelperClasses.class";

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

@Component({

  selector: 'claim-result-search-form',

  templateUrl: 'claimResultSearchForm.component.html',

})

export class ClaimResultSearchFormComponent {

  page: number = 1;

  size: number = 5;

  source: string = "datacite";

  type: string = "dataset";

  showSearchResults: boolean = false;

  @Input() public select: boolean = true;

  @Input() public keyword: string = '';

  @Input() public selectedResults: ClaimEntity[];

  @Input() public properties: EnvProperties;

  @Input() localStoragePrefix: string = "";

  @Input() basketLimit;

  public errorCodes: ErrorCodes = new ErrorCodes();

  dataciteResults: ClaimEntity[] = [];

  dataciteResultsNum: number = null;

  dataciteStatus = this.errorCodes.NONE;

  datacitePage: number = 1;

  public warningMessage = "";

  public infoMessage = "";

  public todayDate = '';

  public nextDate = '';

  public DOIs: string[] = [];

  sub: any;

  public activeTab: string = "openaire";

  crossrefResults: ClaimEntity[] = [];

  crossrefResultsNum: number = null;

  crossrefPage: number = 1;

  crossrefStatus: number = this.errorCodes.NONE;

  openaireTypeValues = [

    {title: "Publications", value: "publication", count: null},

    {title: "Research Data", value: "dataset", count: null},

    {title: "Software", value: "software", count: null},

    {title: "Other research products", value: "other", count: null}];

  totalOpenaireCount:number = 0;

  openaireResultsfilters = [];

  openaireResultsPrevFilters = [];

  openaireYear = "";

  // public openaireRefineFields: string[] = ["relfunder",  "relproject", "resultbestaccessright", "instancetypename", "resultlanguagename", "community"];

  // public openaireRefineFieldsQuery: string = "&refine=true&fields=relfunder&fields=relproject&fields=resultacceptanceyear&fields=resultbestaccessright&fields=instancetypename&fields=resultlanguagename&fields=community";

  public openaireRefineFields: string[] = ["resulttypeid","relfunder",   "resultbestaccessright", "instancetypename"];

  public openaireRefineFieldsQuery: string = "&refine=true&fields=resulttypeid&fields=relfunder&fields=resultbestaccessright&fields=instancetypename";

  // public fieldIdsMap=this.searchFields.RESULT_FIELDS;

  openaireResults: ClaimEntity[] = [];

  openaireResultsNum: number;

  openaireResultsPage: number = 1;

  openaireResultsStatus: number = this.errorCodes.NONE;

  // openaireResultsType = "publication";

  orcidResults: ClaimEntity[];

  orcidResultsNum: number;

  totalPages: number;

  orcidResultsToShow: ClaimEntity[];

  orcidPage: number = 1;

  orcidStatus: number = this.errorCodes.NONE;

  authorId: string;

  selectAuthorId: string = "0";

  authorGivenName: string;

  authorFamilyName: string;

  authorIds: string[];

  authors = [];

  reloadOpenaire: boolean = true;

  reloadCrossref: boolean = false;

  reloadDatacite: boolean = false;

  reloadOrcid: boolean = false;

  //new search

  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};

  public rangeFilters: RangeFilter[] = [];

  public searchFields: SearchFields = new SearchFields();

  public rangeFields:string[][] = this.searchFields.RESULT_RANGE_FIELDS;

  constructor(private _searchDataciteService: SearchDataciteService,

              private _searchCrossrefService: SearchCrossrefService,

              private _searchOrcidService: SearchOrcidService,

              private _searchResearchResultsService: SearchResearchResultsService) {

    const myDate = new Date();

    this.todayDate = myDate.getFullYear() + "-" + (myDate.getMonth() + 1) + "-" + myDate.getDate();

    this.nextDate = (myDate.getFullYear() + 100) + "-" + (myDate.getMonth() + 1) + "-" + myDate.getDate();

    this.rangeFilters = RangeFilter.parse(this.rangeFields,"result");

  }

  ngOnInit() {

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

      this.search(false);

    }

  }

  subscriptions = [];

  ngOnDestroy() {

    this.subscriptions.forEach(subscription => {

      if (subscription instanceof Subscriber) {

        subscription.unsubscribe();

      }

    });

  }

  search(keywordChanged) {

    //uncomment to disable search with no keyword

    if (this.keyword.length == 0) {

      this.totalOpenaireCount = 0;

      this.crossrefResultsNum = null;

      this.dataciteResultsNum = null;

      this.openaireResultsNum = null;

      this.orcidResultsNum = null;

      this.openaireResults = [];

      this.crossrefResults = [];

      this.dataciteResults = [];

      this.orcidResultsToShow = [];

      this.showSearchResults = false;

      return;

    }

    this.warningMessage = "";

    this.infoMessage = "";

    this.showSearchResults = false;

    if (keywordChanged) {

      // this.activeTab = "openaire";

      this.DOIs = DOI.getDOIsFromString(this.keyword);

      this.reloadOpenaire = true;

      this.reloadCrossref = true;

      this.reloadDatacite = true;

      this.reloadOrcid = true;

      this.crossrefResultsNum = null;

      this.dataciteResultsNum = null;

      this.openaireResultsNum = null;

      this.orcidResultsNum = null;

      // this.openaireResultsType = "publication";

    }

    if (this.reloadOpenaire) {

      this.openaireResults = [];

      this.searchOpenaire(this.keyword, this.size, 1, keywordChanged);

      this.reloadOpenaire = false;

    }

    if (this.reloadCrossref) {

      this.crossrefResults = [];

      this.getCrossrefResults(this.keyword, this.size, 1);

      this.reloadCrossref = false;

    }

    if (this.reloadDatacite) {

      this.dataciteResults = [];

      this.searchDatacite(this.keyword, this.size, 1);

      this.reloadDatacite = false;

    }

    if (this.reloadOrcid) {

      this.orcidResultsToShow = [];

      this.searchOrcid(this.keyword);

      this.reloadOrcid = false;

    }

    this.showSearchResults = true;

  }

  searchOpenaire(keyword, size, page, keywordChanged) {

    this.searchResearchResults("publication", keyword, size, page, true, "publication");

  }

  private getCrossrefResults(term: string, size: number, page: number) {

    this.crossrefStatus = this.errorCodes.LOADING;

    // this.crossrefResultsNum = null;

    if (this.DOIs.length > 0) {

      this.subscriptions.push(this._searchCrossrefService.searchCrossrefByDOIs(this.DOIs, this.properties, true).subscribe(

        data => {

          if (data != null) {

            this.crossrefResults = data[1];

            this.crossrefPage = page;

            this.crossrefResultsNum = data[0];

            if (this.crossrefResultsNum == 0) {

              this.subscriptions.push(this._searchCrossrefService.searchCrossrefResults(StringUtils.URIEncode(term), size, page, this.properties, true).subscribe(

                data => {

                  if (data != null) {

                    this.crossrefResults = data[1];

                    this.crossrefPage = page;

                    this.crossrefResultsNum = data[0];

                    this.crossrefStatus = this.errorCodes.DONE;

                    // console.log("Crossref " + this.crossrefResultsNum);

                    if (this.crossrefResultsNum == 0) {

                      this.crossrefStatus = this.errorCodes.NONE;

                    }

                  } else {

                    this.crossrefStatus = this.errorCodes.ERROR;

                  }

                },

                err => {

                  //console.log(err.status);

                  ClaimResultSearchFormComponent.handleError("Error getting crossref results for term: " + term, err);

                  this.crossrefStatus = this.errorCodes.ERROR;

                }

              ));

            } else {

              this.crossrefStatus = this.errorCodes.DONE;

            }

          }

        },

        err => {

          ClaimResultSearchFormComponent.handleError("Error getting crossref by DOIs: " + JSON.stringify(this.DOIs), err);

          this.subscriptions.push(this._searchCrossrefService.searchCrossrefResults(StringUtils.URIEncode(term), size, page, this.properties, true).subscribe(

            data => {

              this.crossrefResults = data[1];

              this.crossrefPage = page;

              this.crossrefResultsNum = data[0];

              this.crossrefStatus = this.errorCodes.DONE;

            },

            err => {

              //console.log(err.status);

              ClaimResultSearchFormComponent.handleError("Error getting crossref results for term: " + term, err);

              this.crossrefStatus = this.errorCodes.ERROR;

            }

          ));

        }

      ));

    } else {

      this.subscriptions.push(this._searchCrossrefService.searchCrossrefResults(StringUtils.URIEncode(term), size, page, this.properties, true).subscribe(

        data => {

          if (data != null) {

            this.crossrefResults = data[1];

            this.crossrefPage = page;

            this.crossrefResultsNum = data[0];

            this.crossrefStatus = this.errorCodes.DONE;

            if (this.crossrefResultsNum == 0) {

              this.crossrefStatus = this.errorCodes.NONE;

            }

          } else {

            this.crossrefStatus = this.errorCodes.ERROR;

          }

        },

        err => {

          //console.log(err.status);

          ClaimResultSearchFormComponent.handleError("Error getting crossref results for term: " + term, err);

          this.crossrefStatus = this.errorCodes.ERROR;

        }

      ));

    }

  }

  /*private callOpenaireService(term: string, size: number, page: number, mainResults: boolean, type) {

    if (mainResults) {

      this.openaireResultsStatus = this.errorCodes.LOADING;

      this.openaireResultsPrevFilters = this.openaireResultsfilters;

    }

    if((mainResults && page==1 )||!mainResults){

      this.setOpenaireResultsCount(type, null);

      this.totalOpenaireCount = 0;

    }

    if (type == "dataset") {

      this.searchResearchResults("dataset", term, size, page, mainResults, type);

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

      this.searchResearchResults("software", term, size, page, mainResults, type);

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

      this.searchResearchResults("other", term, size, page, mainResults, type);

    } else {

      this.searchResearchResults("publication", term, size, page, mainResults, type);

    }

  }*/

  public searchResearchResults(resultType: string, term: string, size: number, page: number, mainResults: boolean, type) {

    this.openaireResultsStatus = this.errorCodes.LOADING;

    this.openaireResultsPrevFilters = this.openaireResultsfilters;

    this.openaireResultsNum = 0;

    this.subscriptions.push(this._searchResearchResultsService.advancedSearchResults('publication', this.createOpenaireQueryParams(), page, size, null, this.properties, this.createOpenaireRefineQueryParams(),  (page==1 ?this.openaireRefineFields:[]), (page==1 ?this.openaireRefineFieldsQuery:null)).subscribe(

      data => {

        this.setOpenaireResults(data, mainResults, page, type);

      },

      err => {

        this.setOpenaireResultsError(mainResults, term, err);

      }

    ));

  }

  public setOpenaireResults(data, mainResults: boolean, page, type) {

    if (data != null) {

        this.openaireResultsPage = page;

        this.openaireResultsNum = data[0];

        // this.setOpenaireResultsCount(type, this.openaireResultsNum);

        if(data[2] && data[2].length > 0){

          this.openaireResultsfilters =  this.checkSelectedFilters(data[2], this.openaireResultsPrevFilters)

        }

        this.openaireResults = ClaimResultSearchFormComponent.openaire2ClaimResults(data[1], this.properties);

        this.openaireResultsStatus = this.errorCodes.DONE;

        if (this.openaireResultsNum == 0) {

          this.openaireResultsStatus = this.errorCodes.NONE;

        }

    } else {

      if (mainResults) {

        this.openaireResultsStatus = this.errorCodes.ERROR;

      }

    }

  }

  public setOpenaireResultsError(mainResults: boolean, term, err) {

    if (mainResults) {

      this.openaireResultsStatus = this.errorCodes.ERROR;

    }

    ClaimResultSearchFormComponent.handleError("Error getting publications for term: " + term, err);

  }

  setOpenaireResultsCount(type, count) {

    if (type == "dataset") {

      this.openaireTypeValues[1]['count'] = count;

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

      this.openaireTypeValues[2]['count'] = count;

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

      this.openaireTypeValues[3]['count'] = count;

    } else {

      this.openaireTypeValues[0]['count'] = count;

    }

  }

  private searchOrcid(term: string) {

    if (this.DOIs.length > 0 || term.length == 0) {

      this.orcidStatus = this.errorCodes.NONE;

      this.orcidResultsNum = -1;

      return;

    }

    this.orcidStatus = this.errorCodes.LOADING;

    this.authorIds = new Array<string>();

    this.authors = [];

    this.getOrcidAuthor(term, true);

  }

  /*private readData(data: any) {

    this.authorIds.push(data[2].path);

    var author = {};

    author['id'] = data[2].path;

    if (data[0] != null) {

      author['authorGivenName'] = data[0].value;

    } else {

      author['authorGivenName'] = "";

    }

    if (data[1] != null) {

      author['authorFamilyName'] = data[1].value;

    } else {

      author['authorFamilyName'] = "";

    }

    this.authors.push(author);

  }*/

  private getOrcidAuthor(term: string, addId) {

    this.orcidResultsNum = null;

    //passing structures in order to fill them in service

    this.subscriptions.push(this._searchOrcidService.searchOrcidAuthor(StringUtils.URIEncode(term.replace(/\s/g, "")), this.authorIds,

      this.authors, this.properties, addId).subscribe(

      data => {

        if (data != null && data == true && addId) {

          this.getOrcidResults(0);

        }

        // this.orcidStatus = this.errorCodes.NONE;

      },

      err => this.errorHandler(err, term)

    ));

  }

  private errorHandler(err: any, term: string) {

    if (err.status == 404) {

      this.getOrcidAuthors(term);

    } else {

      this.orcidStatus = this.errorCodes.ERROR;

      //console.log(err.status);

      ClaimResultSearchFormComponent.handleError("Error getting orcid author for term: " + term, err);

    }

  }

  private getOrcidAuthors(term: string) {

    this.orcidResultsNum = null;

    this.selectAuthorId = "0";

    this.orcidStatus = this.errorCodes.LOADING;

    //passing structures in order to fill them in service

    this.subscriptions.push(this._searchOrcidService.searchOrcidAuthors(StringUtils.URIEncode(term), this.properties).subscribe(

      data => {

        this.authorIds = data;

        if (data != null) {

          for (let i = 0; i < this.authorIds.length; i++) {

            this.getOrcidAuthor(this.authorIds[i], (i == 0));

          }

          if (this.authorIds.length == 0) {

            this.orcidStatus = this.errorCodes.NONE;

            this.orcidResultsNum = -1;

          }

        } else {

          this.orcidStatus = this.errorCodes.ERROR;

        }

      },

      err => {

        this.orcidStatus = this.errorCodes.ERROR;

        //console.log(err.status);

        ClaimResultSearchFormComponent.handleError("Error getting orcid authors for term: " + term + " and ids: " + JSON.stringify(this.authorIds), err);

      }

    ));

  }

  private getOrcidResultsById(id) {

    for (let i = 0; i < this.authors.length; i++) {

      if (this.authors[i].id == id) {

        this.getOrcidResults(i);

      }

    }

  }

  private getOrcidResults(index) {

    this.authorGivenName = this.authors[index].authorGivenName;

    this.authorFamilyName = this.authors[index].authorFamilyName;

    this.authorId = this.authors[index].id;

    this.orcidStatus = this.errorCodes.LOADING;

    this.subscriptions.push(this._searchOrcidService.searchOrcidPublications(this.authors[index].id, this.properties, true).subscribe(

      data => {

        if (data != null) {

          this.orcidResults = data;

          this.orcidResultsNum = data.length;

          this.orcidPage = 1;

          if ((this.orcidResultsNum % this.size) == 0) {

            this.totalPages = parseInt('' + (this.orcidResultsNum / this.size));

          } else {

            this.totalPages = parseInt('' + (this.orcidResultsNum / this.size + 1));

          }

          this.orcidResultsToShow = this.orcidResults.slice(0, 10);

          this.orcidStatus = this.errorCodes.DONE;

          if (this.orcidResultsNum == 0) {

            this.orcidStatus = this.errorCodes.NONE;

          }

          for (let i = 0; i < this.orcidResults.length; i++) {

            const entity: ClaimEntity = this.orcidResults[i];

            if (!entity.result.authors) {

              entity.result.authors = [];

            }

            entity.result.authors.push(this.authorFamilyName + ', ' + this.authorGivenName);

            if (entity.result.DOI != null) {

              this.enhanceInfoFromDOI(entity);

            }

          }

        } else {

          this.orcidResultsNum = 0;

          this.totalPages = 0;

          this.orcidStatus = this.errorCodes.NONE;

        }

      },

      err => {

        //console.log(err.status);

        ClaimResultSearchFormComponent.handleError("Error getting orcid publications for author id: " + this.authors[index].id, err);

        this.orcidStatus = this.errorCodes.ERROR;

      }

    ));

  }

  private enhanceInfoFromDOI(entity: ClaimEntity) {

    if (entity.result.DOI != null) {

      this.subscriptions.push(this._searchCrossrefService.searchCrossrefByDOIs([entity.result.DOI], this.properties, true).subscribe(

        data => {

          if (data != null && data[0] > 0 && data[1]) {

            let crossrefResult: ClaimEntity = data[1][0];

            if (entity.title == null || entity.title == "") {

              entity.title = crossrefResult.title;

            }

            if (crossrefResult.result.authors) {

              entity.result.authors = [];

              for (let i = 0; i < crossrefResult.result.authors.length; i++) {

                entity.result.authors.push(crossrefResult.result.authors[i]);

              }

            }

            if (entity.result.journal == null || entity.result.journal == "") {

              entity.result.journal = crossrefResult.result.journal;

            }

            if (entity.result.publisher == null || entity.result.publisher == "") {

              entity.result.publisher = crossrefResult.result.publisher;

            }

            if (entity.result.date == null || entity.result.date == "") {

              entity.result.date = crossrefResult.result.date;

            }

          } else {

          }

        },

        err => {

          ClaimResultSearchFormComponent.handleError("Error getting crossref by DOIs: " + entity['DOI'], err);

        }

      ));

    }

  }

  private crossrefPageChange($event) {

    this.crossrefPage = $event.value;

    this.crossrefResults = [];

    this.getCrossrefResults(this.keyword, this.size, this.crossrefPage);

  }

  private orcidPageChange($event) {

    this.orcidPage = $event.value;

    this.orcidResultsToShow = [];

    this.orcidResultsToShow = this.orcidResults.slice(($event.value - 1) * this.size, $event.value * this.size);

  }

  private openaireResultsPageChange($event) {

    this.openaireResultsPage = $event.value;

    this.openaireResults = [];

    this.searchOpenaire(this.keyword, this.size, this.openaireResultsPage, false);

  }

  datacitePageChange($event) {

    this.datacitePage = $event.value;

    this.dataciteResults = [];

    this.searchDatacite(this.keyword, 10, this.datacitePage);

    this.warningMessage = "";

    this.infoMessage = "";

  }

  private searchDatacite(term: string, size: number, page: number) {

    this.getDataciteResults(term, size, page);

    this.warningMessage = "";

    this.infoMessage = "";

  }

  createOpenaireQueryParams():string {

    let query = "";

/*    if (this.DOIs.length > 0) {

      let doisParams = "";

      for (let i = 0; i < this.DOIs.length; i++) {

        doisParams += (doisParams.length > 0 ? "&" : "") + 'doi="' + this.DOIs[i] + '"';

      }

      query += doisParams;

    } else if(this.keyword.length > 0){

      query += "q=" + StringUtils.quote(StringUtils.URIEncode(this.keyword));

    }*/

  if(this.keyword.length>0){

    query+=NewSearchPageComponent.createKeywordQuery("result",this.keyword,"q","=");

  }

    return query;

  }

  createOpenaireRefineQueryParams():string {

    let allFqs = "";

    if(this.openaireYear.length > 0 ){

      allFqs+='&fq=resultacceptanceyear exact \"'+this.openaireYear+'\"'

    }

    for (let filter of this.openaireResultsfilters){

      if(filter.countSelectedValues > 0){

        let count_selected=0;

        let fq = "";

        for (let value of filter.values){

          if(value.selected == true){

            count_selected++;

            fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + (StringUtils.quote(value.id));

          }

        }

        if(count_selected > 0){

          fq="&fq="+StringUtils.URIEncode(fq);

          allFqs += fq;

        }

      }

    }

    for (let i=0; i<this.rangeFilters.length; i++){

      let filter = this.rangeFilters[i];

      //selectedFromValue, selectedToValue, equalityOp, equalityOpFrom, equalityOpTo, filterOp ){

      allFqs+= NewSearchPageComponent.createRangeFilterQuery(this.rangeFields[i],filter.selectedFromValue, filter.selectedToValue, " within ", ">=" ,"<=", "and" )

    }

    if(this.resultTypes.publication && this.resultTypes.dataset && this.resultTypes.software && this.resultTypes.other){

      allFqs += "&type=results";

    }else{

        if(this.resultTypes.publication) {

          allFqs += "&type=publications";

        }

        if(this.resultTypes.dataset) {

          allFqs += "&type=datasets";

        }

        if(this.resultTypes.software) {

          allFqs += "&type=software";

        }

        if(this.resultTypes.other) {

          allFqs += "&type=other";

        }

    }

    return allFqs;

  }

  public static openaire2ClaimResults(data, properties): ClaimEntity[] {

    const claimResults = [];

    for (let i = 0; i < data.length; i++) {

      let item = data[i];

      let entity: ClaimEntity = new ClaimEntity();

      entity.result = new ClaimResult();

      entity.result.publisher = (item.publisher && item.publisher != "") ? item.publisher : null;

      entity.result.journal = null;

      entity.result.DOI = null;

      entity.id = item.id;

      entity.title = item.title.name;

      let prefixUrl = "";

      if(item.entityType == "publication"){

        prefixUrl = properties.searchLinkToPublication;

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

        prefixUrl = properties.searchLinkToDataset;

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

        prefixUrl = properties.searchLinkToSoftwareLanding;

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

        prefixUrl = properties.searchLinkToOrp;

      }

      entity.result.url = prefixUrl + entity.id;

      entity.result.source = String("openaire");

      entity.result.date = (item.year && item.year != "") ? item.year : null;

      entity.result.accessRights = (item.title && item.title.accessMode) ? String(item.title.accessMode) : "";

      entity.type = item.entityType;

      entity.result.embargoEndDate = (item.embargoEndDate && item.embargoEndDate != "") ? item.embargoEndDate : entity.result.embargoEndDate;

      if (item.publisher && item.publisher.length > 0) {

        entity.result.publisher = item.publisher;

      }

      entity.result.record = item;

      if (item.authors) {

        entity.result.authors = [];

        for (let author of item.authors) {

          entity.result.authors.push(author.fullName);

        }

      }

      claimResults.push(entity);

    }

    return claimResults;

  }

  private getDataciteResults(term: string, size: number, page: number) {

    this.dataciteStatus = this.errorCodes.LOADING;

    if (this.DOIs.length > 0) {

      let doiObservables: Array<Observable<any>> = new Array();

      for(let doi of this.DOIs){

        let ob = this._searchDataciteService.getDataciteResultByDOI(doi, this.properties, true);

        doiObservables.push(ob);

      }

      this.subscriptions.push(Observable.forkJoin(doiObservables).subscribe(

        data => {

          //if DOI not found or an error occured the result will be null -- remove null values

          for(let result of data){

            if(result){

              this.dataciteResults.push(result)

            }

          }

          this.datacitePage = page;

          this.dataciteResultsNum = this.dataciteResults.length;

          this.dataciteStatus = this.errorCodes.DONE;

          if (this.dataciteResultsNum == 0) {

            this.subscriptions.push(this._searchDataciteService.searchDataciteResults(StringUtils.URIEncode(term), size, page, this.properties, true).subscribe(