325 lines
14 KiB
TypeScript
325 lines
14 KiB
TypeScript
import {Component, EventEmitter, Input, Output, ViewChild} from '@angular/core';
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import {ActivatedRoute} from '@angular/router';
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import {AdvancedField, Filter} from './searchUtils/searchHelperClasses.class';
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import {SearchDataprovidersService} from '../services/searchDataproviders.service';
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import {ErrorCodes} from '../utils/properties/errorCodes';
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import {ErrorMessagesComponent} from '../utils/errorMessages.component';
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import {OpenaireEntities, SearchFields} from '../utils/properties/searchFields';
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import {SearchCustomFilter, SearchUtilsClass} from './searchUtils/searchUtils.class';
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import {EnvProperties} from '../utils/properties/env-properties';
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import {NewSearchPageComponent, SearchForm} from "./searchUtils/newSearchPage.component";
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import {DatasourcesHelperClass} from "./searchUtils/datasourcesHelper.class";
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import {properties} from "../../../environments/environment";
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@Component({
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selector: 'search-dataproviders',
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template: `
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<new-search-page
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pageTitle="{{(simpleView?'':'Advanced ')}} Find research {{ pageTitle }}"
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[entityType]=entityType
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[type]="typeName"
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[results]="results"
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[searchUtils]="searchUtils"
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[sortedByChanged]="searchUtils.sortBy"
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[fieldIds]="fieldIds" [fieldIdsMap]="fieldIdsMap" [selectedFields]="selectedFields"
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[csvParams]="csvParams" [csvPath]="csvPath"
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[simpleSearchLink]="simpleSearchLink" [advancedSearchLink]="advancedSearchLink"
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[disableForms]="disableForms"
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[disableRefineForms]="disableRefineForms"
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[loadPaging]="loadPaging"
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[oldTotalResults]="oldTotalResults"
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[openaireLink]=openaireLink
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[includeOnlyResultsAndFilter]="includeOnlyResultsAndFilter"
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[piwikSiteId]=piwikSiteId [hasPrefix]="hasPrefix"
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[searchForm]="searchForm"
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[entitiesSelection]="type=='all' || type == 'services'" [showSwitchSearchLink]="showSwitchSearchLink"
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[filters]="filters"
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[simpleView]="simpleView" formPlaceholderText="Search by name, description, subject..."
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[showResultCount]="true" [showIndexInfo]="type!='deposit'"
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[tableViewLink]="tableViewLink"
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[sort]="false" [showBreadcrumb]="showBreadcrumb" [basicMetaDescription]="metaDescription">
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</new-search-page>
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`
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})
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export class SearchDataProvidersComponent {
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private errorCodes: ErrorCodes;
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private errorMessages: ErrorMessagesComponent;
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@Input() piwikSiteId = null;
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@Input() customFilter:SearchCustomFilter= null;
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@Input() tableViewLink;
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@Input() searchForm: SearchForm = {class: 'search-form', dark: true};
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public results =[];
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public filters =[];
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public searchUtils:SearchUtilsClass = new SearchUtilsClass();
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public searchFields:SearchFields = new SearchFields();
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public fieldIds: string[] = this.searchFields.DATASOURCE_ADVANCED_FIELDS;
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public fieldIdsMap= this.searchFields.DATASOURCE_FIELDS;
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public selectedFields:AdvancedField[] = [];
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public resourcesQuery = "(oaftype exact datasource)";
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public csvParams: string;
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public disableForms: boolean = false;
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public disableRefineForms: boolean = false;
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public loadPaging: boolean = true;
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public oldTotalResults: number = 0;
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public pagingLimit: number = 0;
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public isPiwikEnabled;
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properties:EnvProperties;
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public openaireEntities = OpenaireEntities;
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@Input() type: "all" | "registries" | "journals" | "compatible" | "deposit" | "services" = "all";
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@Input() entityType: "dataprovider" | "service" = "dataprovider";
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@Input() typeName = OpenaireEntities.DATASOURCES;
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public refineFields: string[];
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pageTitle;
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@ViewChild(NewSearchPageComponent, { static: true }) searchPage: NewSearchPageComponent;
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@Input() simpleView: boolean = true;
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@Input() simpleSearchLink: string = "";
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advancedSearchLink: string = "";
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csvPath: string = "";
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@Input() hasPrefix: boolean = true;
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@Input() openaireLink: string = null;
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@Input() includeOnlyResultsAndFilter: boolean = false;
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@Output() searchPageUpdates = new EventEmitter();
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@Input() showSwitchSearchLink:boolean;
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@Input() showBreadcrumb: boolean = false;
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subs: any[] = [];
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searchResultsSub: any;
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searchFiltersSub: any;
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metaDescription = [];
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constructor (private route: ActivatedRoute, private _searchDataProvidersService: SearchDataprovidersService ) {
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this.results =[];
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this.errorCodes = new ErrorCodes();
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this.errorMessages = new ErrorMessagesComponent();
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this.searchUtils.status = this.errorCodes.LOADING;
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this.searchFields.sortFieldsByName(this.fieldIds, this.fieldIdsMap);
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}
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ngOnInit() {
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this.refineFields = DatasourcesHelperClass.getrefineFields(this.type);
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this.pageTitle = DatasourcesHelperClass.getTitle(this.type);
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this.metaDescription = DatasourcesHelperClass.getDescription(this.type)
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if(this.showSwitchSearchLink == null){
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this.showSwitchSearchLink = (this.type == "all" || this.type == "services");
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}
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this.properties= properties;
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this.csvPath = this.entityType == "service" ? OpenaireEntities.SERVICES_FILE : OpenaireEntities.DATASOURCES_FILE;
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if (!this.simpleSearchLink) {
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this.simpleSearchLink = this.entityType == "service" ? this.properties.searchLinkToServices : this.properties.searchLinkToDataProviders;
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}
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this.advancedSearchLink = this.entityType == "service" ? this.properties.searchLinkToAdvancedServices : this.properties.searchLinkToAdvancedDataProviders;
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this.searchUtils.baseUrl = (this.simpleView)?this.simpleSearchLink:this.advancedSearchLink;
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this.pagingLimit = properties.pagingLimit;
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this.isPiwikEnabled = properties.enablePiwikTrack;
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let firstLoad = true;
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this.subs.push(this.route.queryParams.subscribe(params => {
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this.loadPaging = true;
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if(params['page'] && this.searchUtils.page != params['page']) {
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this.loadPaging = false;
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this.oldTotalResults = this.searchUtils.totalResults;
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}
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var refine = true;
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if(this.searchPage.searchUtils.refineStatus == this.errorCodes.DONE) {
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if (params['page'] != undefined && this.filters && !firstLoad && this.searchUtils.page != +params['page']) {
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refine = false;
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}
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if (params['size'] != undefined && this.filters && !firstLoad && this.searchUtils.size != params['size']) {
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refine = false;
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}
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}
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let page = (params['page']=== undefined)?0:+params['page'];
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this.searchUtils.page = ( page < 1 ) ? 1 : page;
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this.searchUtils.validateSize(params['size']);
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this.searchPage.fieldIds = this.fieldIds;
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this.selectedFields =[];
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if(this.type == "deposit"){
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this.searchPage.keywordFields = this.searchFields.DEPOSIT_DATASOURCE_KEYWORD_FIELDS;
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this.searchPage.usedBy = "deposit";
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}
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this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, [], this.fieldIdsMap,this.customFilter,params, this.entityType);
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if(refine) {
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this._getFilters(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(params), this.searchUtils.page, 0, true, this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
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} else {
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this.searchUtils.refineStatus = this.errorCodes.DONE;
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}
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this.getResults(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(params), this.searchUtils.page, this.searchUtils.size, refine, this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
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firstLoad = false;
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}));
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}
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ngOnDestroy() {
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if(this.searchResultsSub) {
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this.searchResultsSub.unsubscribe();
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}
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if(this.searchFiltersSub) {
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this.searchFiltersSub.unsubscribe();
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}
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for (let sub of this.subs) {
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sub.unsubscribe();
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}
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}
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public _getFilters(parameters:string, page: number, size: number, refine: boolean, refineFieldsFilterQuery = null){
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if (page <= this.pagingLimit || this.searchUtils.refineStatus == this.errorCodes.LOADING) {
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this.searchUtils.refineStatus = this.errorCodes.LOADING;
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this.disableRefineForms = true;
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this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
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let datasourceQueryPrefix = DatasourcesHelperClass.getQueryPrefix(this.type);
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this.searchFiltersSub = this._searchDataProvidersService.advancedSearchDataproviders( datasourceQueryPrefix +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' and (':'') + parameters +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' ) ':''), page, size, this.properties, (refine /*&& (this.type=="all" || this.type == "deposit")*/) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery, (this.type == "deposit"))
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//.switchMap(
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.subscribe(
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data => {
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let totalResults = data[0];
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let filters = data[2];
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this.filtersReturned(refine, filters, totalResults, page);
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},
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err => {
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this.filters = this.searchPage.prepareFiltersToShow([], 0);
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this.handleError("Error getting refine filters for "+OpenaireEntities.DATASOURCES+": ", err);
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this.searchUtils.refineStatus = this.errorMessages.getErrorCode(err.status);
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this.disableRefineForms = false;
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this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils})
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}
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);
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}
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}
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public filtersReturned(refine: boolean, filters: Filter[], totalResults, page: number) {
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if (refine) {
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this.filters = this.searchPage.prepareFiltersToShow(filters, totalResults);
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}
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this.searchUtils.refineStatus = this.errorCodes.DONE;
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if(totalResults == 0) {
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this.searchUtils.refineStatus = this.errorCodes.NONE;
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}
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if (this.searchUtils.refineStatus == this.errorCodes.DONE) {
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// Page out of limit!!!
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let totalPages: any = totalResults / (this.searchUtils.size);
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if (!(Number.isInteger(totalPages))) {
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totalPages = (parseInt(totalPages, 10) + 1);
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}
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if (totalPages < page) {
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this.searchUtils.refineStatus = this.errorCodes.OUT_OF_BOUND;
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}
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}
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if(this.searchUtils.refineStatus != this.errorCodes.DONE && this.searchUtils.status != this.searchUtils.refineStatus) {
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if (this.searchResultsSub) {
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this.searchResultsSub.unsubscribe();
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}
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this.resultsReturned(refine, [], totalResults, page);
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}
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this.disableRefineForms = false;
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this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils})
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}
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public getResults(parameters:string, page: number, size: number, refine: boolean, refineFieldsFilterQuery = null){
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if(page > this.pagingLimit ) {
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size=0;
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}
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if(page <= this.pagingLimit || this.searchUtils.status == this.errorCodes.LOADING) {
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this.csvParams = (parameters ? ("&fq=("+parameters) : "") + (parameters ? ")" : "");
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this.csvParams += (refineFieldsFilterQuery ? refineFieldsFilterQuery : "");
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this.searchUtils.status = this.errorCodes.LOADING;
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this.disableForms = true;
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this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
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this.results = [];
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this.searchUtils.totalResults = 0;
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let datasourceQueryPrefix = DatasourcesHelperClass.getQueryPrefix(this.type);
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this.searchResultsSub = this._searchDataProvidersService.advancedSearchDataproviders( datasourceQueryPrefix +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' and (':'') + parameters +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' ) ':''), page, size, this.properties, null, this.searchPage.getFields(), refineFieldsFilterQuery, (this.type == "deposit")).subscribe(
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data => {
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let totalResults = data[0];
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let results = data[1];
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this.resultsReturned(refine, results, totalResults, page);
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},
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err => {
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//console.log(err);
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this.handleError("Error getting "+OpenaireEntities.DATASOURCES, err);
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this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
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//TODO check erros (service not available, bad request)
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// if( ){
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// this.searchUtils.status = errorCodes.ERROR;
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// }
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//var errorCodes:ErrorCodes = new ErrorCodes();
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//this.searchUtils.status = errorCodes.NOT_AVAILABLE;
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/*if(err.status == '404') {
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this.searchUtils.status = this.errorCodes.NOT_FOUND;
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} else if(err.status == '500') {
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this.searchUtils.status = this.errorCodes.ERROR;
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} else {
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this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
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}*/
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//this.searchPage.closeLoading();
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this.disableForms = false;
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this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
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this.searchPage.hideFilters = false;
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}
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);
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}
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}
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public resultsReturned(refine: boolean, results: any, totalResults, page: number) {
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this.searchUtils.totalResults = totalResults;
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this.results = results;
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if(!refine) {
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this.searchPage.buildPageURLParameters(this.filters, [], false);
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}
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this.searchPage.hideFilters = false;
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this.searchUtils.status = this.errorCodes.DONE;
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if (this.searchUtils.totalResults == 0) {
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this.searchUtils.status = this.errorCodes.NONE;
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}
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if (this.searchUtils.status == this.errorCodes.DONE) {
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// Page out of limit!!!
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let totalPages: any = this.searchUtils.totalResults / (this.searchUtils.size);
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if (!(Number.isInteger(totalPages))) {
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totalPages = (parseInt(totalPages, 10) + 1);
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}
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if (totalPages < page) {
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this.searchUtils.totalResults = 0;
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this.searchUtils.status = this.errorCodes.OUT_OF_BOUND;
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}
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}
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if(this.searchUtils.status != this.errorCodes.DONE && this.searchUtils.refineStatus != this.searchUtils.status) {
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if(this.searchFiltersSub) {
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this.searchFiltersSub.unsubscribe();
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}
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this.filtersReturned(refine, [], totalResults, page);
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}
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this.disableForms = false;
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this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
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}
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private handleError(message: string, error) {
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console.error(OpenaireEntities.DATASOURCES+" advanced Search Page: "+message, error);
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}
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}
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