630 lines
23 KiB
TypeScript
630 lines
23 KiB
TypeScript
import {Component, Input} from '@angular/core';
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import {ViewChild, Output} from '@angular/core';
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import {EventEmitter} from '@angular/core';
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import {Location} from '@angular/common';
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import {Router, ActivatedRoute} from '@angular/router';
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import {Title, Meta} from '@angular/platform-browser';
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import {Filter, Value} from './searchHelperClasses.class';
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import {SearchFields} from '../../utils/properties/searchFields';
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import {SearchCustomFilter, SearchUtilsClass} from './searchUtils.class';
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import {DOI, StringUtils} from '../../utils/string-utils.class';
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import {RouterHelper} from '../../utils/routerHelper.class';
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import {ModalLoading} from '../../utils/modal/loading.component';
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import {ErrorCodes} from '../../utils/properties/errorCodes';
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import {PiwikService} from '../../utils/piwik/piwik.service';
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import {EnvProperties} from '../../utils/properties/env-properties';
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import { SEOService } from '../../sharedComponents/SEO/SEO.service';
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import {HelperFunctions} from "../../utils/HelperFunctions.class";
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@Component({
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selector: 'search-page',
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templateUrl: 'searchPage.component.html'
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})
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export class SearchPageComponent {
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@Input() piwikSiteId = null;
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@Input() pageTitle = "";
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@Input() formPlaceholderText = "Type Keywords...";
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@Input() results = [];
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@Input() filters = [];
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@Input() type:string = "";
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@Input() entityType: string = "";
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@Input() searchUtils:SearchUtilsClass = new SearchUtilsClass();
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@Output() queryChange = new EventEmitter();
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@Input() baseUrl:string = '';
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@Input() showResultCount:boolean = true;
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@Input() showRefine:boolean = true;
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@Input() refineFields = [];
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@Input() csvParams: string;
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@Input() csvPath: string;
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@Input() advancedSearchLink: string = "";
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@Input() advancedSearchParameters;
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@Input() tableViewLink: string;
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@Input() disableForms: boolean = false;
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@Input() loadPaging: boolean = true;
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@Input() oldTotalResults: number = 0;
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@Input() tableView: boolean = false;
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@Input() searchFormClass: string = "searchForm";
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@Input() openaireLink: string;
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@Input() customFilter:SearchCustomFilter= null;
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@Input() sort: boolean = false;
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@Input() mapUrl: string = "";
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@Input() mapTooltipType: string ="content providers";
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@Input() newQueryButton: boolean = true;
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@Input() lastIndex: boolean = true;
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@Input() hasPrefix: boolean = true;
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//@Input() sortBy: string = "";
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@ViewChild (ModalLoading) loading : ModalLoading ;
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public fieldIdsMap;//: { [key:string]:{ name:string, operator:string, type:string, indexField:string, equalityOperator:string }};
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private searchFieldsHelper:SearchFields = new SearchFields();
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private queryParameters: Map<string, string> = new Map<string,string>();
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private baseURLWithParameters:string = '';
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private sub: any; piwiksub: any;
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// public countFilters= 0;
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public parameterNames:string[] =[];
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public parameterValues:string[] =[];
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public showUnknownFilters:boolean = false; // when a filter exists in query but has no results, so no filters returned from the query
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//@ViewChild (SearchFilterModalComponent) searchFilterModal : SearchFilterModalComponent ;
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// public currentFilter: Filter;
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public csvLimit: number = 0;
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public pagingLimit: number = 0;
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public resultsPerPage: number = 10;
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public isPiwikEnabled;
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properties:EnvProperties;
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public routerHelper:RouterHelper = new RouterHelper();
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public errorCodes:ErrorCodes = new ErrorCodes();
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constructor (private route: ActivatedRoute,
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private location: Location,
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private _meta: Meta,
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private _title: Title,
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private _piwikService:PiwikService,
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private router: Router,
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private seoService: SEOService) {
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}
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ngOnInit() {
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this.route.data
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.subscribe((data: { envSpecific: EnvProperties }) => {
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this.properties = data.envSpecific;
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this.pagingLimit = data.envSpecific.pagingLimit;
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this.csvLimit = data.envSpecific.csvLimit;
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this.isPiwikEnabled = data.envSpecific.enablePiwikTrack;
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if(typeof window !== 'undefined') {
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this.updateUrl(data.envSpecific.baseLink+location.pathname);
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}
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if(typeof document !== 'undefined' && this.isPiwikEnabled){
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this.piwiksub = this._piwikService.trackView(this.properties, this.pageTitle, this.piwikSiteId).subscribe();
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}
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});
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HelperFunctions.scroll();
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// this.updateBaseUrlWithParameters(this.filters);
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this.updateTitle(this.pageTitle);
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var description = "Openaire, search, repositories, open access, type, content provider, funder, project, " + this.type + "," +this.pageTitle;
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this.updateDescription(description);
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this.seoService.createLinkForCanonicalURL(this.properties.baseLink+this.router.url,false);
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}
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ngOnDestroy() {
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if(this.piwiksub){
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this.piwiksub.unsubscribe();
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}
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}
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updateDescription(description:string) {
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this._meta.updateTag({content:description},"name='description'");
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this._meta.updateTag({content:description},"property='og:description'");
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}
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updateTitle(title:string) {
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let _title: string;
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if(this.hasPrefix) {
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let _prefix ="OpenAIRE | ";
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_title = _prefix + ((title.length > 50) ? title.substring(0, 50) : title);
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} else {
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_title = ((title.length > 50) ? title.substring(0, 50) : title);
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}
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this._title.setTitle(_title);
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this._meta.updateTag({content:_title},"property='og:title'");
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}
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updateUrl(url:string) {
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this._meta.updateTag({content:url},"property='og:url'");
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}
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public getQueryParamsFromUrl(params) {
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this.queryParameters = new Map<string,string>();
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for(let i=0; i< this.refineFields.length ; i++) {
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let filterId = this.refineFields[i];
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if (params[filterId] != undefined) {
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this.queryParameters.set(filterId, StringUtils.URIDecode(params[filterId]));
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}
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}
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return this.queryParameters;
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}
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public getQueryParametersFromUrl(params){ // called by ngOnInit function of search find pages
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// var parameters = "";
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var allFqs = "";
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this.queryParameters = new Map<string,string>();
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for(var i=0; i< this.refineFields.length ; i++){
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var filterId = this.refineFields[i];
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if(params[filterId] != undefined) {
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this.queryParameters.set(filterId, StringUtils.URIDecode(params[filterId]));
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let values = (StringUtils.URIDecode(this.queryParameters.get(filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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var countvalues = 0;
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var fq = "";
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for(let value of values) {
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countvalues++;
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var paramId = this.fieldIdsMap[filterId].param;
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// parameters+='&' + paramId+ '='+ value;//+"&" + this.fieldIdsMap[paramId].operator + "="+((countvalues == 1)?"and":"or");
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fq+=(fq.length > 0 ? " " + "or" + " ":"" ) + filterId +" exact " +(value);
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}
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if(countvalues > 0){
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fq="&fq="+StringUtils.URIEncode(fq);
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}
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allFqs += fq;
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}
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}
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if(this.customFilter){
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allFqs+= "&fq="+StringUtils.URIEncode(this.customFilter.queryFieldName + " exact " + StringUtils.quote((this.customFilter.valueId )));
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}
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var keyword = params['keyword'];
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var doiQuery = "";
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var keywordQuery = "";
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if((keyword && keyword.length > 0)){
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if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
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var DOIs:string[] = DOI.getDOIsFromString(keyword);
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var doisParams = "";
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for(var i =0 ;i < DOIs.length; i++){
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doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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}
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if(doisParams.length > 0){
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doiQuery += "&"+doisParams;
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}else {
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keywordQuery += "&q="+StringUtils.URIEncode(keyword);
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}
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}else{
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keywordQuery += "&q="+StringUtils.URIEncode(keyword);
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}
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}
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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public getIndexQueryParametersFromUrl(params){ // called by ngOnInit function of search pages that request 'resources'
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// var parameters = "";
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var allFqs = "";
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for(var i=0; i< this.refineFields.length ; i++){
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var filterId = this.refineFields[i];
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var fq = "";
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if(params[filterId] != undefined) {
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this.queryParameters.set(filterId,decodeURIComponent(params[filterId]));
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let values = (decodeURIComponent(this.queryParameters.get(filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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var countvalues = 0
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for(let value of values) {
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countvalues++;
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// parameters+= ((countvalues == 1)?" and (":" or ")+ filterId+ '='+ value;
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fq+=(fq.length > 0 ? " " + "or" + " ":"" ) + filterId + " exact " + value;//StringUtils.quote(value);
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}
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// parameters+= " ) ";
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if(countvalues > 0){
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fq="&fq="+StringUtils.URIEncode(fq);
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}
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allFqs += fq;
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}
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}
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var keyword = params['keyword'];
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var doiQuery = "";
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var keywordQuery = "";
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if((keyword && keyword.length > 0)){
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if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
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var DOIs:string[] = DOI.getDOIsFromString(keyword);
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var doisParams = "";
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for(var i =0 ;i < DOIs.length; i++){
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doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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}
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if(doisParams.length > 0){
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doiQuery += "&"+doisParams;
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}
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}else{
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keywordQuery += "and ("+StringUtils.quote(StringUtils.URIEncode(keyword)) +")";
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}
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}
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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/*
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* Mark as check the new filters that are selected, when you get them from search
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*/
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public checkSelectedFilters(filters:Filter[]){
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this.filters = filters;
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for(var i=0; i< filters.length ; i++){
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var filter:Filter = filters[i];
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filter.countSelectedValues = 0;
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if(this.queryParameters.get(filter.filterId) != undefined) {
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let values = (decodeURIComponent(this.queryParameters.get(filter.filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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for(let filterValue of filter.values) {
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if(values.indexOf(StringUtils.quote(filterValue.id)) > -1) {
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filterValue.selected = true;
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filter.countSelectedValues++;
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}else{
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filterValue.selected = false;
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}
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}
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}else{
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for(let filterValue of filter.values) {
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filterValue.selected = false;
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}
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}
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}
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this.filterFilterValues(this.filters);
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return filters;
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}
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/*
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* For Funder filters - if funder selected
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*/
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public filterFilterValues(filters:Filter[]){
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var funders = [];
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var funder_prefix = [];
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for(var i=0; i< filters.length ; i++){
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var filter:Filter = filters[i];
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// console.log(filter.filterId);
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if(filter.filterId.indexOf("funder")!=-1 && this.queryParameters.get(filter.filterId) != undefined) {
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let funders = (decodeURIComponent(this.queryParameters.get(filter.filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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for(let funder of funders) {
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funder_prefix.push(StringUtils.unquote(funder).split("____")[0]);
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}
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// console.log(funder_prefix );
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}else if(filter.filterId.indexOf("funding")!=-1){
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// console.log(" funding: "+filter.filterId );
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var filteredValues = []
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for(let filterValue of filter.values) {
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var value_prefix = filterValue.id.split("____")[0];
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// console.log("Value prefix: "+value_prefix );
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if(funder_prefix.indexOf(value_prefix)!=-1){
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// console.log("here" + value_prefix);
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filteredValues.push(filterValue);
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}
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}
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if(filteredValues.length > 0){
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filter.values = filteredValues;
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}
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}
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}
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return filters;
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}
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/*
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* Update the url with proper parameters. This is used as base url in Paging Component
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*/
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public updateBaseUrlWithParameters(filters:Filter[]){
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this.baseURLWithParameters = this.baseUrl + this.createUrlParameters(filters,false);
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}
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/*
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*Get The filters and create url parameters
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*/
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private createUrlParameters(filters:Filter[], includePage:boolean){
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var allLimits="";//location.search.slice(1);
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this.queryParameters = new Map<string,string>();
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this.parameterNames.splice(0,this.parameterNames.length);
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this.parameterValues.splice(0,this.parameterValues.length);
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for (let filter of filters){
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var filterLimits="";
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if(filter.countSelectedValues > 0 ){
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for (let value of filter.values){
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if(value.selected == true){
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filterLimits+=((filterLimits.length == 0)?'':',') +'"'+ (value.id)+'"';
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}
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}
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this.queryParameters.set(filter.filterId,filterLimits);
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if(filterLimits.length > 0){
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this.parameterNames.push(filter.filterId);
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this.parameterValues.push(filterLimits);
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}
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allLimits+=(allLimits.length==0?"?":"&")+((filterLimits.length == 0 )?'':filter.filterId + '='+ filterLimits) ;
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}
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}
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if(this.searchUtils.keyword.length > 0 ){
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allLimits+=(allLimits.length==0?"?":"&")+'keyword=' + this.searchUtils.keyword;
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this.parameterNames.push("keyword");
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this.parameterValues.push(this.searchUtils.keyword);
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}
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if(this.searchUtils.page != 1 && includePage){
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allLimits+=((allLimits.length == 0)?'?':'&') + 'page=' + this.searchUtils.page;
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}
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if(this.searchUtils.size != this.resultsPerPage) {
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allLimits+=((allLimits.length == 0)?'?':'&') + 'size=' + this.searchUtils.size;
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this.parameterNames.push("size");
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this.parameterValues.push(""+this.searchUtils.size);
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}
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if(this.sort && this.searchUtils.sortBy) {
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allLimits+=((allLimits.length == 0)?'?':'&') + 'sortBy=' + this.searchUtils.sortBy;
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this.parameterNames.push("sortBy");
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this.parameterValues.push(this.searchUtils.sortBy);
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} /*else {
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let index: number = this.parameterNames.findIndex(function(element) {
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return element == "sortBy";
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});
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console.info("index of sortby: "+index);
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if(index >= 0) {
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console.info("------remove sortBy------");
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this.parameterNames.splice(index, 1);
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this.parameterValues.splice(index, 1);
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}
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}*/
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return allLimits;
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}
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/*
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*
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*/
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private createSearchQueryParameters(filters:Filter[]){ // called by goTo, result emited to and used by search find pages
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var allFqs = "";
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for (let filter of filters){
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if(filter.countSelectedValues > 0 ){
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var fq = "";
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var count_selected=0;
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for (let value of filter.values){
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if(value.selected == true){
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count_selected++;
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fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + StringUtils.quote((value.id));
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}
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}
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fq="&fq="+StringUtils.URIEncode(fq);
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allFqs += fq;
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}
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}
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var doiQuery = "";
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var keywordQuery = "";
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if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
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if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
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var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
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var doisParams = "";
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for(var i =0 ;i < DOIs.length; i++){
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doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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}
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if(doisParams.length > 0){
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doiQuery += "&"+doisParams;
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}else{
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keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
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}
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}else{
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keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
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}
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}
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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private createIndexQueryParameters(filters:Filter[]){ // called by goTo, result emited to and used by search pages that request 'resources'
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var allFqs = "";
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for (let filter of filters){
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if(filter.countSelectedValues > 0){
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var count_selected=0;
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var fq = "";
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for (let value of filter.values){
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if(value.selected == true){
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count_selected++;
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fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + (StringUtils.quote(value.id));
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}
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}
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if(count_selected > 0){
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fq="&fq="+StringUtils.URIEncode(fq);
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allFqs += fq;
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}
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}
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}
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var doiQuery = "";
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var keywordQuery = "";
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if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
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if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
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var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
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var doisParams = "";
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for(var i =0 ;i < DOIs.length; i++){
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doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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}
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if(doisParams.length > 0){
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doiQuery += "&"+doisParams;
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}
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}else{
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keywordQuery += " and ("+StringUtils.quote(StringUtils.URIEncode(this.searchUtils.keyword)) +")"
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}
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}
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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public countFilters():number{
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var filters=0;
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this.showUnknownFilters = false;
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for (let filter of this.filters){
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if(filter.countSelectedValues > 0){
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filters+=filter.countSelectedValues;
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}
|
|
}
|
|
if(this.searchUtils.keyword.length > 0 ){
|
|
filters++;
|
|
}
|
|
var errorCodes:ErrorCodes = new ErrorCodes();
|
|
if(this.queryParameters.keys() && this.searchUtils.totalResults == 0 && this.searchUtils.status !=errorCodes.LOADING ){
|
|
if(this.newQueryButton) {
|
|
this.showUnknownFilters = true;
|
|
}
|
|
}
|
|
return filters;
|
|
}
|
|
private clearKeywords(){
|
|
if(this.searchUtils.keyword.length > 0 ){
|
|
this.searchUtils.keyword ='';
|
|
}
|
|
this.goTo(1);
|
|
}
|
|
private clearFilters(){
|
|
for (var i =0 ; i < this.filters.length; i++){
|
|
for (var j=0; j < this.filters[i].countSelectedValues; j++){
|
|
if(this.filters[i].values[j].selected){
|
|
this.filters[i].values[j].selected = false;
|
|
}
|
|
this.filters[i].countSelectedValues = 0;
|
|
}
|
|
}
|
|
this.clearKeywords();
|
|
|
|
}
|
|
private removeFilter(value:Value,filter:Filter){
|
|
filter.countSelectedValues--;
|
|
if(value.selected == true){
|
|
value.selected = false;
|
|
}
|
|
this.goTo(1);
|
|
|
|
}
|
|
goTo(page:number = 1){
|
|
this.searchUtils.page = page;
|
|
var urlParameters = this.createUrlParameters(this.filters,true);
|
|
//console.info("urlParams : "+urlParameters);
|
|
this.updateBaseUrlWithParameters(this.filters);
|
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
|
//console.info("queryParams : "+queryParameters);
|
|
var indexQuery = this.createIndexQueryParameters(this.filters);
|
|
|
|
//this.location.go(location.pathname,urlParameters);
|
|
this.router.navigate( [this.baseUrl], { queryParams: this.routerHelper.createQueryParams(this.parameterNames, this.parameterValues) } );
|
|
|
|
/* Code For Piwik*/
|
|
if (typeof localStorage !== 'undefined') {
|
|
localStorage.setItem('previousRoute', this.router.url);
|
|
}
|
|
if(this.isPiwikEnabled && (typeof document !== 'undefined')){
|
|
this.piwiksub = this._piwikService.trackView(this.properties, this.pageTitle, this.piwikSiteId).subscribe();
|
|
}
|
|
/* End Piwik Code */
|
|
this.queryChange.emit({
|
|
value: queryParameters,
|
|
index:indexQuery,
|
|
params: this.queryParameters
|
|
});
|
|
HelperFunctions.scroll();
|
|
}
|
|
filterChanged($event){
|
|
this.goTo(1);
|
|
}
|
|
keywordChanged($event) {
|
|
this.searchUtils.keyword = $event.value;
|
|
this.goTo(1);
|
|
}
|
|
|
|
sizeChanged($event) {
|
|
this.searchUtils.size = $event.value;
|
|
this.goTo(1);
|
|
}
|
|
|
|
sortByChanged($event) {
|
|
this.searchUtils.sortBy = $event.value;
|
|
this.goTo(1);
|
|
}
|
|
|
|
/*
|
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected filters
|
|
*/
|
|
public getSelectedFilters():string[] {
|
|
var selected:string[] = [];
|
|
for(var i=0; i < this.filters.length; i++){
|
|
var filter:Filter = this.filters[i];
|
|
if(filter.countSelectedValues > 0){
|
|
selected.push(filter.filterId);
|
|
}
|
|
}
|
|
return selected;
|
|
}
|
|
/*
|
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected parameters
|
|
*/
|
|
private getSelectedParameters():string[] {
|
|
var selected:string[] = [];
|
|
var params:string[] = Object.keys(this.queryParameters);
|
|
|
|
for(var i=0; i < this.refineFields.length; i++){
|
|
if(this.queryParameters.get(this.refineFields[i])!= undefined ){
|
|
selected.push(this.refineFields[i]);
|
|
}
|
|
}
|
|
return selected;
|
|
}
|
|
/*
|
|
* Get A sub-array of this.refineFields array, which hides hidden fields (e.g Funding level 0,1,2,..), and contains those that depend on another fields (e.g Funding level 0 if Funder is selected )
|
|
*/
|
|
public getFields():string[] {
|
|
var selected_filters:string[] = this.getSelectedFilters();
|
|
if(selected_filters.length == 0){
|
|
selected_filters = this.getSelectedParameters();
|
|
}
|
|
var fields:string[] = [];
|
|
for(var i =0 ; i < this.refineFields.length;i++){
|
|
var dependentTo = this.searchFieldsHelper.DEPENDENT_FIELDS[this.refineFields[i]];
|
|
|
|
//if filter is not marked as hidden OR it is hidden but it is dependent to a field that it IS selected
|
|
if(this.searchFieldsHelper.HIDDEN_FIELDS.indexOf(this.refineFields[i]) == -1 || (selected_filters.indexOf(dependentTo) != -1) || (selected_filters.indexOf(this.refineFields[i]) != -1) ){
|
|
fields.push(this.refineFields[i]);
|
|
}
|
|
}
|
|
return fields;
|
|
}
|
|
/*
|
|
* Get a query string of all fields, that want to get from search (e.g. &fields=funderid&fields=projectstartyear&...))
|
|
*/
|
|
public getRefineFieldsQuery():string{
|
|
|
|
var fields:string[] = this.getFields();
|
|
var fieldsStr = ""
|
|
for(var i =0 ; i < fields.length ;i++){
|
|
fieldsStr+="&fields="+fields[i];
|
|
}
|
|
return "&refine=true"+fieldsStr;
|
|
}
|
|
|
|
// for loading
|
|
public openLoading(){
|
|
if(this.loading){
|
|
this.loading.open();
|
|
}
|
|
}
|
|
public closeLoading(){
|
|
if(this.loading){
|
|
this.loading.close();
|
|
}
|
|
}
|
|
getSelectedValues(filter):any{
|
|
var selected = [];
|
|
if(filter.countSelectedValues >0){
|
|
for (var i=0; i < filter.values.length; i++){
|
|
if(filter.values[i].selected){
|
|
selected.push(filter.values[i]);
|
|
}
|
|
}
|
|
}
|
|
return selected;
|
|
|
|
}
|
|
}
|