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';

@Component({

    selector: 'search-entity-registries',

    template: `

    <search-page pageTitle="Entity Registries" type="datasource" [(filters)] = "filters"

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

                   [baseUrl] = "baseUrl" [showResultCount]=false (queryChange)="queryChanged($event)"  >

    </search-page>

    `

})

export class SearchEntityRegistriesComponent {

  public results =[];

  private filters =[];

  private baseUrl:string;

  private searchUtils:SearchUtilsClass = new SearchUtilsClass();

  private sub: any; private subResults: any;

  private _location:Location;

  private searchFields:SearchFields = new SearchFields();

  private refineFields: string[] =  this.searchFields.DATAPROVIDER_INDEX;

  private indexIdsMap: { [key:string]:string } = this.searchFields.DATAPROVIDER_INDEX_PARAM_MAP;

  private fieldIdsMap:  { [key:string]:{ name:string, operator:string, type:string, indexField:string, equalityOperator:string  }} = this.searchFields.DATAPROVIDER_FIELDS_MAP;

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

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

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

  private _prefixQuery: string = "";

  @ViewChild (SearchPageComponent) searchPage : SearchPageComponent ;

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

    var errorCodes:ErrorCodes = new ErrorCodes();

    this.searchUtils.status =errorCodes.LOADING;

    this.baseUrl = OpenaireProperties.getLinkToSearchDataProviders();

    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+="&";

  }

  private ngOnInit() {

    this.searchPage.refineFields = this.refineFields;

    this.searchPage.indexIdsMap = this.indexIdsMap;

    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);

    });

  }

  private ngOnDestroy() {

    if(this.sub){

      this.sub.unsubscribe();

    }

    if(this.subResults){

      this.subResults.unsubscribe();

    }  }

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

       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;

              }

          },

          err => {

              console.error(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;

          }

      );

    }

  private setFilters(){

    //TODO set filters from

  }

  private 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=["datasourcetypeid","datasourcecompatibilityid"];

    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=[

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

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

    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;

    }

}