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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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@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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`
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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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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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261
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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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283
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if(doisParams.length > 0){
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284
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doiQuery += "q=("+doisParams+")"
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285
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}else{
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286
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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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291
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}
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console.info("keyyyyword:::: doi:"+ doiQuery+ " keyword:"+keywordQuery )
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293
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294
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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295
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}
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297
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private createIndexQueryParameters(filters:Filter[]){
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var allFqs = "";
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299
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for (let filter of filters){
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300
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if(filter.countSelectedValues > 0){
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301
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var count_selected=0;
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302
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var fq = "";
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303
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for (let value of filter.values){
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304
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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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307
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}
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308
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}
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309
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if(count_selected > 0){
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310
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fq="&fq="+fq;
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311
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allFqs += fq;
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312
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}
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313
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}
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314
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}
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315
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var doiQuery = "";
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316
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var keywordQuery = "";
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317
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if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
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318
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if((this.type == 'publications' ||this.type == 'datasets')){
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319
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var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
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320
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var doisParams = "";
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321
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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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323
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}
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324
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if(doisParams.length > 0){
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325
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doiQuery += " and ("+doisParams+")"
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326
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}
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327
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}else{
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328
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keywordQuery += " and ("+this.quote(this.searchUtils.keyword) +")"
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329
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330
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}
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331
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}
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332
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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333
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334
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}
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335
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private isFiltered(){
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336
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var filtered=false;
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337
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for (let filter of this.filters){
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338
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if(filter.countSelectedValues > 0){
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339
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filtered = true;
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340
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break;
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341
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}
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342
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}
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343
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if(this.searchUtils.keyword.length > 0 ){
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344
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filtered = true;
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345
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}
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346
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return filtered;
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347
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}
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348
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private clearKeywords(){
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349
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if(this.searchUtils.keyword.length > 0 ){
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350
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this.searchUtils.keyword ='';
|
|
351
|
}
|
|
352
|
this.goTo(1);
|
|
353
|
}
|
|
354
|
private clearFilters(){
|
|
355
|
for (var i =0 ; i < this.filters.length; i++){
|
|
356
|
for (var j=0; j < this.filters[i].countSelectedValues; j++){
|
|
357
|
if(this.filters[i].values[j].selected){
|
|
358
|
this.filters[i].values[j].selected = false;
|
|
359
|
}
|
|
360
|
this.filters[i].countSelectedValues = 0;
|
|
361
|
}
|
|
362
|
}
|
|
363
|
this.clearKeywords();
|
|
364
|
|
|
365
|
}
|
|
366
|
private removeFilter(value:Value,filter:Filter){
|
|
367
|
filter.countSelectedValues--;
|
|
368
|
if(value.selected == true){
|
|
369
|
value.selected = false;
|
|
370
|
}
|
|
371
|
this.goTo(1);
|
|
372
|
|
|
373
|
}
|
|
374
|
goTo(page:number = 1){
|
|
375
|
this.searchUtils.page = page;
|
|
376
|
// console.info("searchUtils.page goto = "+this.searchUtils.page);
|
|
377
|
this.queryParameters = new Map<string,string>();
|
|
378
|
var urlParameters = this.createUrlParameters(this.filters,true);
|
|
379
|
console.info("urlParams : "+urlParameters);
|
|
380
|
this.updateBaseUrlWithParameters(this.filters);
|
|
381
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
|
382
|
console.info("queryParams : "+queryParameters);
|
|
383
|
var indexQuery = this.createIndexQueryParameters(this.filters);
|
|
384
|
|
|
385
|
this.location.go(location.pathname,urlParameters);
|
|
386
|
// console.info("SearchPAGE::page "+this.searchUtils.page);
|
|
387
|
|
|
388
|
this.queryChange.emit({
|
|
389
|
value: queryParameters,
|
|
390
|
index:indexQuery
|
|
391
|
|
|
392
|
});
|
|
393
|
|
|
394
|
}
|
|
395
|
filterChanged($event){
|
|
396
|
this.goTo(1);
|
|
397
|
}
|
|
398
|
keywordChanged($event) {
|
|
399
|
this.searchUtils.keyword = $event.value;
|
|
400
|
this.goTo(1);
|
|
401
|
}
|
|
402
|
|
|
403
|
downloadClicked($event) {
|
|
404
|
if($event.value == true) {
|
|
405
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
|
406
|
|
|
407
|
this.downloadClick.emit({
|
|
408
|
value: queryParameters
|
|
409
|
});
|
|
410
|
}
|
|
411
|
}
|
|
412
|
|
|
413
|
/*
|
|
414
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected filters
|
|
415
|
*/
|
|
416
|
public getSelectedFilters():string[] {
|
|
417
|
var selected:string[] = [];
|
|
418
|
for(var i=0; i < this.filters.length; i++){
|
|
419
|
var filter:Filter = this.filters[i];
|
|
420
|
if(filter.countSelectedValues > 0){
|
|
421
|
selected.push(filter.filterId);
|
|
422
|
}
|
|
423
|
}
|
|
424
|
return selected;
|
|
425
|
}
|
|
426
|
/*
|
|
427
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected parameters
|
|
428
|
*/
|
|
429
|
private getSelectedParameters():string[] {
|
|
430
|
var selected:string[] = [];
|
|
431
|
var params:string[] = Object.keys(this.queryParameters);
|
|
432
|
for(var i=0; i < params.length; i++){
|
|
433
|
if(this.refineFields.indexOf(params[i]) > -1){
|
|
434
|
selected.push(params[i]);
|
|
435
|
}
|
|
436
|
}
|
|
437
|
return selected;
|
|
438
|
}
|
|
439
|
/*
|
|
440
|
* 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 )
|
|
441
|
*/
|
|
442
|
public getFields():string[] {
|
|
443
|
var selected_filters:string[] = this.getSelectedFilters();
|
|
444
|
if(selected_filters.length == 0){
|
|
445
|
selected_filters = this.getSelectedParameters();
|
|
446
|
}
|
|
447
|
var fields:string[] = [];
|
|
448
|
for(var i =0 ; i < this.refineFields.length;i++){
|
|
449
|
var dependentTo = this.searchFieldsHelper.DEPENDENT_FIELDS[this.refineFields[i]];
|
|
450
|
|
|
451
|
//if filter is not marked as hidden OR it is hidden but it is dependent to a field that it IS selected
|
|
452
|
if(this.searchFieldsHelper.HIDDEN_FIELDS.indexOf(this.refineFields[i]) == -1 || (selected_filters.indexOf(dependentTo) != -1) ){
|
|
453
|
fields.push(this.refineFields[i]);
|
|
454
|
}
|
|
455
|
}
|
|
456
|
return fields;
|
|
457
|
}
|
|
458
|
/*
|
|
459
|
* Get a query string of all fields, that want to get from search (e.g. &fields=funderid&fields=projectstartyear&...))
|
|
460
|
*/
|
|
461
|
public getRefineFieldsQuery():string{
|
|
462
|
|
|
463
|
var fields:string[] = this.getFields();
|
|
464
|
var fieldsStr = ""
|
|
465
|
for(var i =0 ; i < fields.length ;i++){
|
|
466
|
fieldsStr+="&fields="+fields[i];
|
|
467
|
}
|
|
468
|
return "&refine=true"+fieldsStr;
|
|
469
|
}
|
|
470
|
private quote(params: string):string {
|
|
471
|
return encodeURIComponent('"'+params+'"');
|
|
472
|
}
|
|
473
|
|
|
474
|
}
|