D-Net

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

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

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

import {SearchPublicationsService} from '../../services/searchPublications.service';

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

import {ErrorMessagesComponent} from '../../utils/errorMessages.component';

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

import {SearchPageComponent} from '../searchUtils/searchPage.component';

import {SearchCustomFilter, SearchUtilsClass} from '../searchUtils/searchUtils.class';

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

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

@Component({

    selector: 'search-publications',

    template: `

<!--      [searchFormClass]="customFilter.queryFieldName == 'communityId' ? 'communityPanelBackground' : 'publicationsSearchForm'"-->

    <search-page  pageTitle="Search Publications"

                  formPlaceholderText = "Search for Publications"

                 type="publications" entityType="publication"

                 [(filters)] = "filters" [(results)] = "results"

                 [(searchUtils)] = "searchUtils"   [(baseUrl)] = baseUrl

                 (queryChange)="queryChanged($event)"

                 [csvParams]="csvParams" csvPath="publications"

                 advancedSearchLink="/search/advanced/publications"

                 [disableForms]="disableForms"

                 [loadPaging]="loadPaging"

                 [oldTotalResults]="oldTotalResults" 

                 [searchFormClass]="customFilter && customFilter.queryFieldName == 'communityId' ? 

                    'communityPanelBackground' : 'publicationsSearchForm'"

                 [(openaireLink)]=openaireLink

                 [(advancedSearchParameters)]=advancedSearchParameters

                  [piwikSiteId]=piwikSiteId

                 [(sort)]=sort >

    </search-page>

    `

})

export class SearchPublicationsComponent {

  private errorCodes: ErrorCodes;

  private errorMessages: ErrorMessagesComponent;

@Input() piwikSiteId = null;

  public results =[];

  public filters =[];

  public searchUtils:SearchUtilsClass = new SearchUtilsClass();

  public baseUrl:string = "";

  public sub: any;

  public subResults: any;

  public searchFields:SearchFields = new SearchFields();

  public refineFields: string[] =  this.searchFields.RESULT_REFINE_FIELDS;

  public fieldIdsMap=this.searchFields.RESULT_FIELDS;

    //:  { [key:string] :{ name:string, operator:string, type:string, indexField:string, equalityOperator:string  }} = this.searchFields.PUBLICATION_FIELDS_MAP;

  public urlParams : Map<string, string>;

  @ViewChild (SearchPageComponent) searchPage : SearchPageComponent ;

  public _location:Location;

  public CSV: any = {  "columnNames":  ["Title", "Authors", "Publication Year", "DOI",

                                       /*"Download From", "Publication type", "Journal",*/

                                       "Funder", "Project Name (GA Number)", "Access"],

                      "export":[]

                  };

  public CSVDownloaded = false;

  public csvParams: string;

  public disableForms: boolean = false;

  public loadPaging: boolean = true;

  public oldTotalResults: number = 0;

  @Input() openaireLink: string;

  @Input() customFilter:SearchCustomFilter= null;

  @Input() advancedSearchParameters ;

  pagingLimit = 0;

  public sort: boolean = true;

properties: EnvProperties;

  constructor (private route: ActivatedRoute, private _searchPublicationsService: SearchPublicationsService ) {

    this.errorCodes = new ErrorCodes();

    this.errorMessages = new ErrorMessagesComponent();

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

    this.searchUtils.page =1;

  }

  public ngOnInit() {

    this.route.data

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

        this.properties = data.envSpecific;

        this.baseUrl = data.envSpecific.searchLinkToPublications;

        this.pagingLimit = data.envSpecific.pagingLimit;

      });

    this.searchPage.refineFields = this.refineFields;

    this.searchPage.fieldIdsMap = this.fieldIdsMap;

    this.searchPage.type = "publications";

    var firstLoad =true;

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

        if(params['page'] && this.searchUtils.page != params['page']) {

          this.loadPaging = false;

          this.oldTotalResults = this.searchUtils.totalResults;

        }

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

        var refine = true;

        if(this.searchUtils.page != ((params['page']=== undefined)?1:+params['page']) && this.filters && !firstLoad){

          refine = false;

        }

        firstLoad = false;

        this.searchUtils.page = (params['page']=== undefined)?1:+params['page'];

        this.searchUtils.size = (params['size']=== undefined)?10:+params['size'];

        if(this.searchUtils.size != 5 && this.searchUtils.size != 10 && this.searchUtils.size != 20 && this.searchUtils.size != 50) {

          this.searchUtils.size = 10;

        }

        this.searchUtils.sortBy = (params['sortBy'])?params['sortBy']:'';

        if(this.searchUtils.sortBy && this.searchUtils.sortBy != "resultdateofacceptance,descending" && this.searchUtils.sortBy != "resultdateofacceptance,ascending") {

          this.searchUtils.sortBy = "";

        }

        this.searchPage.customFilter = this.customFilter;

        var queryParameters = this.searchPage.getQueryParametersFromUrl(params);

        this._getResults(queryParameters, refine, this.searchUtils.page, this.searchUtils.size, this.searchUtils.sortBy);

    });

  }

  public ngOnDestroy() {

    if(this.sub){

      this.sub.unsubscribe();

    }

    if(this.subResults){

      this.subResults.unsubscribe();

    }

  }

public getResultsForEntity(entity:string, id:string, page: number, size: number){

  var parameters = "";

  if(entity == "project") {

    parameters = "projects/"+id;

  }

  if(parameters != "") {

      this._searchPublicationsService.searchPublicationsForEntity(parameters, page, size, this.properties).subscribe(

          data => {

              this.searchUtils.totalResults = data[0];

              //console.info("search Publications for "+entity+": [Parameters:"+parameters+" ]  [total results:"+this.searchUtils.totalResults+"]");

              this.results = data[1];

              //var errorCodes:ErrorCodes = new ErrorCodes();

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

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

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

              }

          },

          err => {

              //console.log(err);

              this.handleError("Error getting publications for "+entity+" with id: "+id, err);

              this.searchUtils.status = this.errorMessages.getErrorCode(err.status);

               //TODO check erros (service not available, bad request)

              // if( ){

              //   this.searchUtils.status = ErrorCodes.ERROR;

              // }

              //var errorCodes:ErrorCodes = new ErrorCodes();

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

              /*if(err.status == '404') {

                this.searchUtils.status = this.errorCodes.NOT_FOUND;

              } else if(err.status == '500') {

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

              } else {

                this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;

              }*/

          }

      );

  }

}

public getResultsForDataproviders(id:string, resultsFrom:string, page: number, size: number){

  var parameters;

  if(resultsFrom == "collectedFrom") {

      parameters = "publications?fq=collectedfromdatasourceid exact "+'"'+id+'"';

  } else if(resultsFrom == "hostedBy") {

      parameters = "publications?fq=resulthostingdatasourceid exact "+'"'+id+'"';

  }

  if(parameters != "") {

      this._searchPublicationsService.searchPublicationsForDataproviders(parameters, page, size, this.properties).subscribe(

          data => {

              this.searchUtils.totalResults = data[0];

              //console.info("search Publications for Dataproviders: [Parameters:"+parameters+" ]  [total results:"+this.searchUtils.totalResults+"]");

              this.results = data[1];

              //var errorCodes:ErrorCodes = new ErrorCodes();

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

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

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

              }

          },

          err => {

              //console.log(err);

              this.handleError("Error getting publications for content provider ("+resultsFrom+") with id: "+id, err);

              this.searchUtils.status = this.errorMessages.getErrorCode(err.status);

               //TODO check erros (service not available, bad request)

              // if( ){

              //   this.searchUtils.status = ErrorCodes.ERROR;

              // }

              //var errorCodes:ErrorCodes = new ErrorCodes();

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

              /*if(err.status == '404') {

                this.searchUtils.status = this.errorCodes.NOT_FOUND;

              } else if(err.status == '500') {

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

              } else {

                this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;

              }*/

          }

      );

  }

}

public getResults(keyword:string,refine:boolean, page: number, size: number, sortBy: string){

  var parameters = "";

  if(keyword.length > 0){

    var DOIs:string[] = DOI.getDOIsFromString(keyword);

    var doisParams = "";

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

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

    }

    if(doisParams.length > 0){

        parameters +=  "&"+doisParams;

    }else{

      parameters = "q=" +  keyword;

    }

  }

  this._getResults(parameters,refine,page,size,sortBy);

}

private _getResults(parameters:string,refine:boolean, page: number, size: number, sortBy: string){

  if(page > this.pagingLimit) {

    size=0;

  }

  if(page <= this.pagingLimit || this.searchUtils.status == this.errorCodes.LOADING) {

    this.csvParams = parameters;

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

    this.disableForms = true;

    this.results = [];

    this.searchUtils.totalResults = 0;

    this.subResults = this._searchPublicationsService.searchPublications(parameters,(refine)?this.searchPage.getRefineFieldsQuery():null, page, size, sortBy, this.searchPage.getFields(), this.properties).subscribe(

        data => {

            this.searchUtils.totalResults = data[0];

            //console.info("search Publications: [Parameters:"+parameters+" ]  [total results:"+this.searchUtils.totalResults+"]");

            this.results = data[1];

            if(refine){

              this.filters = data[2];

            }

            this.searchPage.checkSelectedFilters(this.filters);

            this.searchPage.updateBaseUrlWithParameters(this.filters);

            //var errorCodes:ErrorCodes = new ErrorCodes();

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

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

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

            }

            //this.searchPage.closeLoading();

            this.disableForms = false;

            if(this.searchUtils.status == this.errorCodes.DONE) {

              // Page out of limit!!!

              let totalPages:any = this.searchUtils.totalResults/(this.searchUtils.size);

              if(!(Number.isInteger(totalPages))) {

                  totalPages = (parseInt(totalPages, 10) + 1);

              }

              if(totalPages < page) {

                this.searchUtils.totalResults = 0;

                this.searchUtils.status = this.errorCodes.OUT_OF_BOUND;

              }

            }

        },

        err => {

            //console.log(err);

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

            this.searchUtils.status = this.errorMessages.getErrorCode(err.status);

             //TODO check erros (service not available, bad request)

            // if( ){

            //   this.searchUtils.status = ErrorCodes.ERROR;

            // }

            //var errorCodes:ErrorCodes = new ErrorCodes();

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

            /*if(err.status == '404') {

              this.searchUtils.status = this.errorCodes.NOT_FOUND;

            } else if(err.status == '500') {

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

            } else {

              this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;

            }*/

            //this.searchPage.closeLoading();

            this.disableForms = false;

        }

    );

  }

}

/*

public getAggregatorResults(id:string, page: number, size: number){

  this.subResults = this._searchPublicationsService.searchAggregators('&fq=collectedfromdatasourceid exact "'+id+'"',"&refine=true&fields=resulthostingdatasource" , page, size).subscribe(

      data => {

          this.results = data;

          var errorCodes:ErrorCodes = new ErrorCodes();

          this.searchUtils.status = errorCodes.DONE;

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

            this.searchUtils.status = errorCodes.NONE;

          }

      },

      err => {

          console.log(err);

           //TODO check erros (service not available, bad request)

          // if( ){

          //   this.searchUtils.status = ErrorCodes.ERROR;

          // }

          var errorCodes:ErrorCodes = new ErrorCodes();

          this.searchUtils.status = errorCodes.ERROR;

      }

  );

}*/

  public queryChanged($event) {

    this.loadPaging = true;

    var parameters = $event.value;

    //console.info("queryChanged: Execute search query "+parameters);

    //this._getResults(parameters, true, this.searchUtils.page, this.searchUtils.size, this.searchUtils.sortBy);

  }

  private handleError(message: string, error) {

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

  }

}