D-Net

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

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

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

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

import {SearchResult}     from '../../utils/entities/searchResult';

import {OpenaireProperties, ErrorCodes} from '../../utils/properties/openaireProperties';

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

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

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

import {ExportCSVComponent} from '../../utils/exportCSV.class';

@Component({

    selector: 'search-entity-registries',

    template: `

    <search-page pageTitle="Entity Registries"

                 type="datasources" entityType="dataprovider" [(filters)] = "filters"

                 [(results)] = "results" [(searchUtils)] = "searchUtils"

                 [baseUrl] = "baseUrl" [showResultCount]=false

                 (queryChange)="queryChanged($event)"

                 (downloadClick)="downloadClicked($event)"

                 [csvParams]="csvParams" csvPath="resources">

    </search-page>

    `

})

export class SearchEntityRegistriesComponent {

  public results =[];

  public filters =[];

  public baseUrl:string;

  public searchUtils:SearchUtilsClass = new SearchUtilsClass();

  public sub: any; public subResults: any;

  public _location:Location;

  public searchFields:SearchFields = new SearchFields();

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

  public fieldIdsMap= this.searchFields.DATASOURCE_FIELDS;

  public _prefixQueryFields: {field:string,opName:string,opValue:string,values:string[]}[] =[

    {field:"type",opName:"tp",opValue:"and",values: ["other"]}];

    // ["entityregistry","entityregistry::projects","entityregistry::repositories"]}];

  public _prefixQuery: string = "";

  public CSV: any = {  "columnNames":  [ "Title", "Type", "Coutries", "Compatibility" ],

                        "export":[]

                     };

  public CSVDownloaded = false;

  @ViewChild (SearchPageComponent) searchPage : SearchPageComponent ;

  public resourcesQuery = "&query=((oaftype exact datasource) and(datasourcetypeuiid = other))";

  public csvParams: string;

  constructor (private route: ActivatedRoute, private _searchDataprovidersService: SearchDataprovidersService ) {

    var errorCodes:ErrorCodes = new ErrorCodes();

    this.searchUtils.status =errorCodes.LOADING;

    this.baseUrl = OpenaireProperties.getLinkToSearchEntityRegistries();

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

      for(var j =0; j < this._prefixQueryFields[i].values.length; j++){

        this._prefixQuery+="&" + this._prefixQueryFields[i].field + "="

        + this._prefixQueryFields[i].values[j] + "&" +

        this._prefixQueryFields[i].opName + "=" + this._prefixQueryFields[i].opValue;

      }

    }

    this._prefixQuery+="&";

  }

  public ngOnInit() {

    this.searchPage.refineFields = this.refineFields;

    this.searchPage.fieldIdsMap = this.fieldIdsMap;

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

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

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

      this.filters = this.createFilters();

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

      this._getResults(queryParameters, false, this.searchUtils.page, this.searchUtils.size);

    });

  }

  public ngOnDestroy() {

    if(this.sub){

      this.sub.unsubscribe();

    }

    if(this.subResults){

      this.subResults.unsubscribe();

    }  }

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

        this.csvParams = parameters+this.resourcesQuery+"&type=datasources";

      var errorCodes:ErrorCodes = new ErrorCodes();

      this.searchUtils.status = errorCodes.LOADING;

      this.searchPage.openLoading();

       this.subResults = this._searchDataprovidersService.searchEntityRegistries(parameters,(refine)?this.searchPage.getRefineFieldsQuery():null, page, size, []).subscribe(

          data => {

              this.searchUtils.totalResults = data[0];

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

              this.results = data[1];

              this.searchPage.checkSelectedFilters(this.filters);

              this.searchPage.updateBaseUrlWithParameters(this.filters);

              var errorCodes:ErrorCodes = new ErrorCodes();

              this.searchUtils.status = errorCodes.DONE;

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

                this.searchUtils.status = errorCodes.NONE;

              }

              this.searchPage.closeLoading();

          },

          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;

              this.searchPage.closeLoading();

          }

      );

    }

  private setFilters(){

    //TODO set filters from

  }

  public queryChanged($event) {

    var parameters = $event.index;

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

    this._getResults(parameters, false, this.searchUtils.page, this.searchUtils.size);

  }

  private createFilters():Filter[] {

    var filter_names=["Type","Compatibility Level"];

    var filter_ids=["datasourcetypename","datasourcecompatibilityname"];

    var searchFields = new SearchFields();

    var filter_original_ids = searchFields.ENTITY_REGISTRIES_FIELDS;

    var value_names=[

      ["Funder database","Registry of repositories","Scholarly Comm. Infrastructure","Registry","Information Space","Web Source"],

      ["OpenAIRE Basic (DRIVER OA)","OpenAIRE 2.0 (EC funding)", "OpenAIRE 2.0+ (DRIVER OA, EC funding)", "OpenAIRE 3.0 (OA, funding)","OpenAIRE Data (funded, referenced datasets)"]];

    var value_original_ids=[

      ["Funder database","Registry of repositories","Scholarly Comm. Infrastructure","Registry","Information Space","Web Source"],

      //["entityregistry::projects","entityregistry::repositories","scholarcomminfra","entityregistry","infospace","websource"],

      //["driver","openaire2.0", "driver-openaire2.0", "openaire3.0","openaire2.0_data"]

    ["OpenAIRE Basic (DRIVER OA)","OpenAIRE 2.0 (EC funding)", "OpenAIRE 2.0+ (DRIVER OA, EC funding)", "OpenAIRE 3.0 (OA, funding)","OpenAIRE Data (funded, referenced datasets)"]];

    var filters: Filter[] =[];

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

      var values:Value[] = [];

      for(var j =0 ; j < value_names[i].length;j++){

        var value:Value = {name: value_names[i][j], id: value_original_ids[i][j], number:j, selected:false}

        values.push(value);

      }

       var filter:Filter = {title: filter_names[i], filterId: filter_ids[i], originalFilterId:  filter_original_ids[i], values : values, countSelectedValues:0, "filterOperator": 'or' };

       filters.push(filter);

    }

    return filters;

    }

      public downloadClicked($event) {

          if(!this.CSVDownloaded) {

              this.CSVDownloaded = false;

              var parameters = $event.value;

              //this.getResultsCSV(parameters, false, 1, 1000);

              this._searchDataprovidersService.searchEntityRegistriesCSV(parameters, this.searchPage.getRefineFieldsQuery(), 1, 1000).subscribe(

                  data => {

                        this.CSV.export = data;

                        ExportCSVComponent.downloadCSV(this.CSV, "etityRegistries.csv");

                        var errorCodes:ErrorCodes = new ErrorCodes();

                        this.searchUtils.status = errorCodes.DONE;

                  },

                  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;

                  }

              );

          }

      }

}