D-Net

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

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

import {AdvancedField} from './searchUtils/searchHelperClasses.class';

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

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

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

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

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

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

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

import {DatasourcesHelperClass} from "./searchUtils/datasourcesHelper.class";

@Component({

    selector: 'search-dataproviders',

    template: `

    <new-search-page

      pageTitle="{{(simpleView?'':'Advanced ')}} Search for {{ pageTitle }}"

      entityType="dataprovider"

      type="content providers"

      [results]="results"

      [searchUtils]="searchUtils"

      [fieldIds]="fieldIds" [fieldIdsMap]="fieldIdsMap" [selectedFields]="selectedFields"

      [csvParams]="csvParams" csvPath="datasources"

      [simpleSearchLink]="simpleSearchLink" [advancedSearchLink]="advancedSearchLink"

      [disableForms]="disableForms"

      [loadPaging]="loadPaging"

      [oldTotalResults]="oldTotalResults"

      [openaireLink]=openaireLink

      [includeOnlyResultsAndFilter]="includeOnlyResultsAndFilter"

      [piwikSiteId]=piwikSiteId [hasPrefix]="hasPrefix"

      searchFormClass="datasourcesSearchForm"

      [entitiesSelection]="type=='all'"  [showAdvancedSearchLink]="type=='all'" 

      [filters]="filters"

      [simpleView]="simpleView" formPlaceholderText="Search by title, country, organization, subject, type..." 

      [showResultCount]="type!='registries'">

    </new-search-page>

    `

 })

export class SearchDataProvidersComponent {

  private errorCodes: ErrorCodes;

  private errorMessages: ErrorMessagesComponent;

@Input() piwikSiteId = null;

@Input() customFilter:SearchCustomFilter= null;

  public results =[];

  public filters =[];

  public searchUtils:SearchUtilsClass = new SearchUtilsClass();

  public searchFields:SearchFields = new SearchFields();

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

  public fieldIdsMap= this.searchFields.DATASOURCE_FIELDS;

  public selectedFields:AdvancedField[] =  [];

  public resourcesQuery = "(oaftype exact datasource)";

  public csvParams: string;

  public disableForms: boolean = false;

  public loadPaging: boolean = true;

  public oldTotalResults: number = 0;

  public pagingLimit: number = 0;

  public isPiwikEnabled;

  properties:EnvProperties;

  @Input() type: "all" | "registries" | "journals" | "compatible" ="all";

  public refineFields: string[] = DatasourcesHelperClass.getrefineFields(this.type);

  pageTitle = DatasourcesHelperClass.getTitle(this.type);

  @ViewChild(NewSearchPageComponent) searchPage: NewSearchPageComponent;

  @Input() simpleView: boolean = true;

  @Input() simpleSearchLink: string = "";

  advancedSearchLink: string = "";

  @Input() hasPrefix: boolean = true;

  @Input() openaireLink: string;

  @Input() includeOnlyResultsAndFilter: boolean = false;

  @Output() searchPageUpdates = new EventEmitter();

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

    this.results =[];

    this.errorCodes = new ErrorCodes();

    this.errorMessages = new ErrorMessagesComponent();

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

    //console.info("Con -base url:"+this.searchUtils.baseUrl );

  }

  ngOnInit() {

    this.route.data

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

        this.properties= data.envSpecific;

        if (!this.simpleSearchLink) {

          this.simpleSearchLink = this.properties.searchLinkToDataProviders;

        }        this.advancedSearchLink = this.properties.searchLinkToAdvancedDataProviders;

        this.searchUtils.baseUrl = (this.simpleView)?this.simpleSearchLink:this.advancedSearchLink;

         this.pagingLimit = data.envSpecific.pagingLimit;

         this.isPiwikEnabled = data.envSpecific.enablePiwikTrack;

      });

    let firstLoad = true;

    this.filters = DatasourcesHelperClass.createFilters(this.type);

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

     this.loadPaging = true;

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

       this.loadPaging = false;

       this.oldTotalResults = this.searchUtils.totalResults;

     }

     var refine = true;

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

       refine = false;

     }

    let page = (params['page']=== undefined)?0:+params['page'];

    this.searchUtils.page = ( page < 1 ) ? 1 : 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.searchPage.fieldIds = this.fieldIds;

    this.selectedFields =[];

    this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, [], this.fieldIdsMap,this.customFilter,params, "dataprovider");

    this.getResults(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(),  this.searchUtils.page, this.searchUtils.size, refine, this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));

    });

  }

  ngOnDestroy() {

    this.sub.unsubscribe();

  }

  sub: any;

  public getResults(parameters:string, page: number, size: number, refine: boolean, refineFieldsFilterQuery = null){

    if(page > this.pagingLimit ) {

      size=0;

    }

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

      // if(parameters!= null && parameters != ''  ) {

      //   this.csvParams ="&fq=( "+this.resourcesQuery + "and (" + parameters + "))";

      // }else{

      //   this.csvParams ="&fq="+this.resourcesQuery;

      // }

      // this.csvParams += (refineFieldsFilterQuery?refineFieldsFilterQuery:'');

      this.csvParams = (parameters ? ("&fq=("+parameters) : "") + (parameters ? ")" : "");

      this.csvParams += (refineFieldsFilterQuery ? refineFieldsFilterQuery : "");

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

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

      //this.searchPage.openLoading();

      this.disableForms = true;

      this.searchPageUpdates.emit({disableForms: this.disableForms,searchUtils: this.searchUtils});

      this.results = [];

      this.searchUtils.totalResults = 0;

      //console.info("Advanced Search for Content Providers: Execute search query "+parameters);

      let datasourceQueryPrefix = DatasourcesHelperClass.getQueryPrefix(this.type);

      this._searchDataProvidersService.advancedSearchDataproviders( datasourceQueryPrefix +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' and ':'') + parameters,  page, size, this.properties, (refine && this.type=="all") ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery).subscribe(

         data => {

            this.searchUtils.totalResults = data[0];

            this.results = data[1];

           if (refine) {

             this.filters = this.searchPage.prepareFiltersToShow(this.type=="all"?data[2]:this.filters);

           }else{

             this.searchPage.buildPageURLParameters(this.filters, [], false);

           }

            // this.searchPage.updateBaseUrlWithParameters();

            //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;

           this.searchPageUpdates.emit({disableForms: this.disableForms,searchUtils: this.searchUtils});

            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 content providers", 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.NOT_AVAILABLE;

              /*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;

            this.searchPageUpdates.emit({disableForms: this.disableForms,searchUtils: this.searchUtils});

          }

        );

      }

  }

  private handleError(message: string, error) {

    console.error("Content Providers advanced Search Page: "+message, error);

  }

}