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import {Component, Input, ViewChild, Output, EventEmitter} from '@angular/core';
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import {Observable} from 'rxjs/Observable';
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import {Location} from '@angular/common';
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import { Filter, Value} from './searchHelperClasses.class';
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import {SearchResult} from '../../utils/entities/searchResult';
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import {SearchFields} from '../../utils/properties/searchFields';
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import {SearchUtilsClass} from './searchUtils.class';
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import {DOI} from '../../utils/string-utils.class';
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import {ModalLoading} from '../../utils/modal/loading.component';
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@Component({
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selector: 'search-page',
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template: `
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<div class="uk-margin-top">
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<div class="page-header">
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<h1>{{pageTitle}}</h1>
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</div>
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<div>
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<div *ngIf="showRefine" class="uk-grid">
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<div class="uk-width-1-1 uk-margin uk-panel uk-panel-box uk-panel-box-default">
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<search-form [(keyword)]="searchUtils.keyword" (keywordChange)="keywordChanged($event)"></search-form>
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<div *ngIf="isFiltered()" class = " uk-text-center ">
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<span *ngIf = "searchUtils.keyword.length > 0">Keywords:
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<span>{{searchUtils.keyword}}<a (click) = "clearKeywords() "> <span class=" clickable" aria-hidden="true"><i class="uk-icon-remove"></i></span></a></span>
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</span>
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<span *ngFor="let filter of filters " >
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<span *ngIf = "filter.countSelectedValues > 0"> {{filter.title}}:
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<span *ngFor="let value of filter.values.slice(0,filter.countSelectedValues); let i = index; let end = last; " >
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{{value.name}} <a (click) = "removeFilter(value, filter) "> <span class=" e clickable" aria-hidden="true"><i class="uk-icon-remove"></i></span></a>
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<span *ngIf="!end">,</span>
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</span>
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</span>
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</span>
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<a (click)="clearFilters()" class = "btn uk-text-right"> Clear Filters</a>
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</div>
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</div>
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<div class="uk-grid uk-width-1-1 uk-margin">
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<div class=" search-filters uk-width-large-1-4 uk-width-medium-1-4 uk-width-small-1-1">
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<search-filter *ngFor="let filter of filters " [filter]="filter" [showResultCount]=showResultCount (change)="filterChanged($event)"></search-filter>
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</div>
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<div class="uk-width-large-3-4 uk-width-medium-3-4 uk-width-small-1-1" >
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<search-download [totalResults]="searchUtils.totalResults" (downloadClick)="downloadClicked($event)"></search-download>
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<search-paging [type]="type" [(searchUtils)] = "searchUtils" [(results)] = "results" [(baseUrl)] = "baseURLWithParameters"></search-paging>
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<search-result [results]="results" [totalResults]="searchUtils.totalResults" [status]=searchUtils.status [page]="searchUtils.page"></search-result>
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</div>
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</div>
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</div>
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<div *ngIf="!showRefine" >
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<search-form [(keyword)]="searchUtils.keyword" (keywordChange)="keywordChanged($event)"></search-form>
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<search-paging [type]="type" [(searchUtils)] = "searchUtils" [(results)] = "results" [(baseUrl)] = "baseURLWithParameters"></search-paging>
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<search-result [results]="results" [totalResults]="searchUtils.totalResults" [status]=searchUtils.status [page]="searchUtils.page"></search-result>
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</div>
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</div>
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</div>
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<modal-loading [message]= "'Loading results...'"></modal-loading>
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`
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})
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export class SearchPageComponent {
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@Input() pageTitle = "";
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@Input() results = [];
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@Input() filters = [];
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@Input() type:string = "";
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@Input() searchUtils:SearchUtilsClass = new SearchUtilsClass();
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@Output() queryChange = new EventEmitter();
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@Output() downloadClick = 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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@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;
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constructor (private location: Location ) {
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}
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ngOnInit() {
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this.updateBaseUrlWithParameters(this.filters);
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}
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ngAfterViewChecked(){
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}
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public getQueryParametersFromUrl(params){
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//TODO when final search is done-allFqs/fq
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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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if(params[filterId] != undefined) {
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if(this.queryParameters == undefined){
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this.queryParameters = new Map<string,string>();
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}
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this.queryParameters[filterId]=decodeURIComponent(params[filterId]);
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let values = decodeURIComponent(this.queryParameters[filterId]).split(",");
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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 " + this.quote(value) ;
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}
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if(countvalues > 0){
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fq="&fq="+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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console.info("Type:" + this.type + "filters: "+allFqs);
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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 == 'datasets')){
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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?" or ":"")+'((pidclassid exact doi) and (pid exact "'+ DOIs[i]+'"))';
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}
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if(doisParams.length > 0){
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doiQuery += "q=("+doisParams+")"
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}
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}else{
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keywordQuery += "q=("+this.quote(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){
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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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if(this.queryParameters == undefined){
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this.queryParameters = new Map<string,string>();
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}
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this.queryParameters[filterId]=decodeURIComponent(params[filterId]);
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let values = decodeURIComponent(this.queryParameters[filterId]).split(",");
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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 " + this.quote(value);
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}
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parameters+= " ) ";
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if(countvalues > 0){
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fq="&fq="+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 == 'datasets')){
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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?" or ":"")+'((pidclassid exact doi) and (pid exact "'+ DOIs[i]+'"))';
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}
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if(doisParams.length > 0){
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doiQuery += "and ("+doisParams+")"
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}
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}else{
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keywordQuery += "and ("+this.quote(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[filter.filterId] != undefined) {
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let values = decodeURIComponent(this.queryParameters[filter.filterId]).split(",");
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for(let filterValue of filter.values) {
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if(values.indexOf(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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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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*
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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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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)?'':',') + encodeURIComponent(value.id);
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}
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}
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this.queryParameters[filter.filterId]=filterLimits;
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allLimits+=((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+='&keyword=' + 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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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[]){
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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 " + this.quote(value.id);
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}
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}
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fq="&fq="+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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console.info("keyyyyword::::"+ this.searchUtils.keyword )
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if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
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if((this.type == 'publications' ||this.type == 'datasets')){
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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?" or ":"")+'((pidclassid exact doi) and (pid exact "'+ DOIs[i]+'"))';
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}
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if(doisParams.length > 0){
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doiQuery += "q=("+doisParams+")"
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}else{
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keywordQuery += "q=("+this.quote(this.searchUtils.keyword) +")"
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}
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}else{
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keywordQuery += "q=("+this.quote(this.searchUtils.keyword) +")"
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}
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}
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console.info("keyyyyword:::: doi:"+ doiQuery+ " keyword:"+keywordQuery )
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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private createIndexQueryParameters(filters:Filter[]){
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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 " + this.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="+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 == 'datasets')){
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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?" or ":"")+'((pidclassid exact doi) and (pid exact "'+ DOIs[i]+'"))';
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}
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if(doisParams.length > 0){
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doiQuery += " and ("+doisParams+")"
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}
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}else{
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keywordQuery += " and ("+this.quote(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 isFiltered(){
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var filtered=false;
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for (let filter of this.filters){
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if(filter.countSelectedValues > 0){
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filtered = true;
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break;
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}
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}
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if(this.searchUtils.keyword.length > 0 ){
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filtered = true;
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}
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return filtered;
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}
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private clearKeywords(){
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if(this.searchUtils.keyword.length > 0 ){
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this.searchUtils.keyword ='';
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}
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this.goTo(1);
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}
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private clearFilters(){
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for (var i =0 ; i < this.filters.length; i++){
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for (var j=0; j < this.filters[i].countSelectedValues; j++){
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if(this.filters[i].values[j].selected){
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this.filters[i].values[j].selected = false;
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}
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this.filters[i].countSelectedValues = 0;
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}
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}
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this.clearKeywords();
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}
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private removeFilter(value:Value,filter:Filter){
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filter.countSelectedValues--;
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if(value.selected == true){
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value.selected = false;
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}
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this.goTo(1);
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}
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goTo(page:number = 1){
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this.searchUtils.page = page;
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// console.info("searchUtils.page goto = "+this.searchUtils.page);
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this.queryParameters = new Map<string,string>();
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var urlParameters = this.createUrlParameters(this.filters,true);
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console.info("urlParams : "+urlParameters);
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this.updateBaseUrlWithParameters(this.filters);
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var queryParameters = this.createSearchQueryParameters(this.filters);
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console.info("queryParams : "+queryParameters);
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var indexQuery = this.createIndexQueryParameters(this.filters);
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this.location.go(location.pathname,urlParameters);
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// console.info("SearchPAGE::page "+this.searchUtils.page);
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this.queryChange.emit({
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value: queryParameters,
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index:indexQuery
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});
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397
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}
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filterChanged($event){
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this.goTo(1);
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}
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keywordChanged($event) {
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this.searchUtils.keyword = $event.value;
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404
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this.goTo(1);
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405
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}
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406
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407
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downloadClicked($event) {
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408
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if($event.value == true) {
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409
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
410
|
|
411
|
this.downloadClick.emit({
|
412
|
value: queryParameters
|
413
|
});
|
414
|
}
|
415
|
}
|
416
|
|
417
|
/*
|
418
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected filters
|
419
|
*/
|
420
|
public getSelectedFilters():string[] {
|
421
|
var selected:string[] = [];
|
422
|
for(var i=0; i < this.filters.length; i++){
|
423
|
var filter:Filter = this.filters[i];
|
424
|
if(filter.countSelectedValues > 0){
|
425
|
selected.push(filter.filterId);
|
426
|
}
|
427
|
}
|
428
|
return selected;
|
429
|
}
|
430
|
/*
|
431
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected parameters
|
432
|
*/
|
433
|
private getSelectedParameters():string[] {
|
434
|
var selected:string[] = [];
|
435
|
var params:string[] = Object.keys(this.queryParameters);
|
436
|
for(var i=0; i < params.length; i++){
|
437
|
if(this.refineFields.indexOf(params[i]) > -1){
|
438
|
selected.push(params[i]);
|
439
|
}
|
440
|
}
|
441
|
return selected;
|
442
|
}
|
443
|
/*
|
444
|
* 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 )
|
445
|
*/
|
446
|
public getFields():string[] {
|
447
|
var selected_filters:string[] = this.getSelectedFilters();
|
448
|
if(selected_filters.length == 0){
|
449
|
selected_filters = this.getSelectedParameters();
|
450
|
}
|
451
|
var fields:string[] = [];
|
452
|
for(var i =0 ; i < this.refineFields.length;i++){
|
453
|
var dependentTo = this.searchFieldsHelper.DEPENDENT_FIELDS[this.refineFields[i]];
|
454
|
|
455
|
//if filter is not marked as hidden OR it is hidden but it is dependent to a field that it IS selected
|
456
|
if(this.searchFieldsHelper.HIDDEN_FIELDS.indexOf(this.refineFields[i]) == -1 || (selected_filters.indexOf(dependentTo) != -1) ){
|
457
|
fields.push(this.refineFields[i]);
|
458
|
}
|
459
|
}
|
460
|
return fields;
|
461
|
}
|
462
|
/*
|
463
|
* Get a query string of all fields, that want to get from search (e.g. &fields=funderid&fields=projectstartyear&...))
|
464
|
*/
|
465
|
public getRefineFieldsQuery():string{
|
466
|
|
467
|
var fields:string[] = this.getFields();
|
468
|
var fieldsStr = ""
|
469
|
for(var i =0 ; i < fields.length ;i++){
|
470
|
fieldsStr+="&fields="+fields[i];
|
471
|
}
|
472
|
return "&refine=true"+fieldsStr;
|
473
|
}
|
474
|
private quote(params: string):string {
|
475
|
return encodeURIComponent('"'+params+'"');
|
476
|
}
|
477
|
// for loading
|
478
|
public openLoading(){
|
479
|
this.loading.open();
|
480
|
}
|
481
|
public closeLoading(){
|
482
|
this.loading.close();
|
483
|
}
|
484
|
|
485
|
}
|