453 lines
14 KiB
TypeScript
453 lines
14 KiB
TypeScript
import {Component, Input, ViewChild, Output, EventEmitter, ViewEncapsulation, OnInit, AfterViewInit} from '@angular/core';
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import {Observable} from 'rxjs/Observable';
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import { Subject } from 'rxjs/Subject';
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import {Location} from '@angular/common';
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import { DataTableDirective } from 'angular-datatables';
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import {SearchFields, DOI, StringUtils,ModalLoading,ErrorCodes,OpenaireProperties,PiwikService, SearchDataprovidersService} from 'ng-openaire-library';
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import {Meta, SearchUtilsClass, Filter, Value, SearchFilterComponent, SearchFilterModalComponent } from 'ng-openaire-library';
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@Component({
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selector: 'search-page-table',
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templateUrl:'searchPageTableView.component.html',
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styles: [`
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#dpTable_info, #dpTable_paginate, #dpTable_length, #dpTable_filter{
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display: none;
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}
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`],
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encapsulation: ViewEncapsulation.None // this used in order styles to work
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})
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export class SearchPageTableViewComponent implements OnInit, AfterViewInit {
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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() entityType: string = "";
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@Input() searchUtils:SearchUtilsClass;// = new SearchUtilsClass();
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//@Output() downloadClick = new EventEmitter();
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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() searchViewLink: string;
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@Input() disableForms: boolean = false;
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@Input() searchFormClass: string = "searchForm";
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@Input() formPlaceholderText = "Type Keywords...";
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@ViewChild (ModalLoading) loading : ModalLoading ;
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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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public countFilters= 0;
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public parameterNames:string[] =[];
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public parameterValues:string[] =[];
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public rowsOnPage:number = 10;
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@ViewChild (SearchFilterModalComponent) searchFilterModal : SearchFilterModalComponent ;
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public currentFilter: Filter;
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public errorCodes:ErrorCodes = new ErrorCodes();
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piwiksub: any;
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dtOptions: DataTables.Settings = {};
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showTable = false; filteringAdded = false;
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@ViewChild(DataTableDirective) datatableElement: DataTableDirective;
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dtTrigger: Subject<any> = new Subject(); //necessary
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constructor (private location: Location , private _meta: Meta, private _piwikService:PiwikService, private _searchDataprovidersService: SearchDataprovidersService ) { }
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ngOnInit() {
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this.dtOptions = {
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"paging": true,
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"searching": false,
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"lengthChange": false,
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"pageLength": this.rowsOnPage
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};
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this.updateTitle(this.pageTitle);
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this.updateDescription("Openaire, search, repositories, open access, type, content provider, funder, project, " + this.type + "," +this.pageTitle);
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if(typeof window !== 'undefined') {
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this.updateUrl(OpenaireProperties.getBaseLink()+location.pathname);
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}
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if(OpenaireProperties.isPiwikTrackEnabled() && (typeof document !== 'undefined')){
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this.piwiksub = this._piwikService.trackView(this.pageTitle).subscribe();
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}
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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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ngAfterViewInit(): void {
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$.fn['dataTable'].ext.search.push((settings, data, dataIndex) => {
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if (this.filterData(data, this.searchUtils.keyword, this.filters)) {
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return true;
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}
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return false;
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});
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}
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totalPages(): number {
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let totalPages:any = this.searchUtils.totalResults/(this.rowsOnPage);
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if(!(Number.isInteger(totalPages))) {
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totalPages = (parseInt(totalPages, 10) + 1);
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}
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return totalPages;
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}
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toggleModal($event) {
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this.currentFilter = $event.value;
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this.searchFilterModal.open();
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}
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updateDescription(description:string){
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this._meta.updateMeta("description", description);
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this._meta.updateProperty("og:description", description);
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}
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updateTitle(title:string){
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var _prefix ="OpenAIRE | ";
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var _title = _prefix + ((title.length> 50 ) ?title.substring(0,50):title);
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this._meta.setTitle(_title );
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this._meta.updateProperty("og:title",_title);
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}
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updateUrl(url:string){
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this._meta.updateProperty("og:url", url);
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}
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public getParametersFromUrl(params) {
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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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}
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}
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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(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-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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return filters;
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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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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)?'':',') +'"'+ StringUtils.URIEncode(value.id)+'"';
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}
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}
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this.queryParameters[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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return allLimits;
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}
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public 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].values.length; 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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}
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this.filters[i].countSelectedValues = 0;
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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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var table = $('#dpTable').DataTable();
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table.page( page - 1 ).draw( false );
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// Object { page: 0, pages: 3, start: 0, end: 10, length: 10, recordsTotal: 28, recordsDisplay: 21, serverSide: false }
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var info = table.page.info();
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this.searchUtils.totalResults = info.recordsDisplay;
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var urlParameters = this.createUrlParameters(this.filters,true);
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this.location.go(location.pathname,urlParameters);
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}
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filterChanged($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 = $event.value;
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this.goTo(1);
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}
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/*
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downloadClicked($event) {
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if($event.value == true) {
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var queryParameters = this.createSearchQueryParameters(this.filters);
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this.downloadClick.emit({
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value: queryParameters
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});
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}
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}
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*/
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getSelectedValues(filter):any{
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var selected = [];
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if(filter.countSelectedValues >0){
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for (var i=0; i < filter.values.length; i++){
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if(filter.values[i].selected){
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selected.push(filter.values[i]);
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}
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}
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}
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return selected;
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}
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/*
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Trigger a table draw in order to get the initial filtering
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*/
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triggerInitialLoad(){
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setTimeout(function(){
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var table = $('#dpTable').DataTable();
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table.page( 0 ).draw( false );
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}, 500);
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}
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/*
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Transform initial - not filtered results to get the filtered number
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*/
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transform(results): any {
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if(results.length > 0) {
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var errorCodes:ErrorCodes = new ErrorCodes();
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this.searchUtils.status = errorCodes.LOADING;
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var result = results.filter(row=>this.filterAll(row, this.searchUtils.keyword.toLowerCase(),this.filters));
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let oldTotal = this.searchUtils.totalResults;
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console.log(" Length: "+result.length);
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this.searchUtils.totalResults = result.length;
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var errorCodes:ErrorCodes = new ErrorCodes();
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this.searchUtils.status = errorCodes.DONE;
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if(this.searchUtils.totalResults == 0 ){
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this.searchUtils.status = errorCodes.NONE;
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}
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// if(oldTotal != this.searchUtils.totalResults) {
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// args[3].detectChanges();
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// }
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return result;
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}
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return [];
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}
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filterAll(row: any, query: string, filters:Filter[]) {
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// console.log(row);
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let returnValue: boolean = false;
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if(query) {
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if(row.title.name.toLowerCase().indexOf(query) > -1) {
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returnValue = true;
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}
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if(row.type.toLowerCase().indexOf(query) > -1) {
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returnValue = true;
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}
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if(row.countries && row.countries.length > 0) {
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for(let country of row.countries) {
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if(country.toLowerCase().indexOf(query) > -1) {
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returnValue = true;
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break;
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}
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}
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}
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if(row.compatibility && row.compatibility.toLowerCase().indexOf(query) > -1) {
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returnValue = true;
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}
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if(row.organizations && row.organizations.length > 0) {
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for(let organization of row.organizations) {
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if(organization.name.toLowerCase().indexOf(query) > -1) {
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returnValue = true;
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break;
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}
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}
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}
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if(!returnValue) {
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return false;
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}
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}
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for (let filter of filters){
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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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// make it generic in future commit
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let field:string = "";
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if(filter.title == "Type") {
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field = "type";
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} else if(filter.title == "Compatibility Level") {
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field = "compatibility";
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}
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if(row[field] == value.name) {
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returnValue = true;
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if(filter.filterOperator == "or") {
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break;
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}
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} else {
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if(filter.filterOperator == "and") {
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return false;
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}
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returnValue = false;
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}
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}
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}
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if(!returnValue) {
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return false;
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}
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}
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}
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return true;
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}
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filterQuery(data, query){
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if(data.toLowerCase().indexOf(query.toLowerCase()) > -1){
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return true;
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}else{
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return false;
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}
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}
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filterData(row: any, query: string, filters:Filter[]) {
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let returnValue: boolean = false;
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if(query) {
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for(var i=0; i <5; i++){
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var r= this.filterQuery(row[i], query);
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// console.log(query+" "+ row+" "+r);
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if(r) {
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returnValue = true;
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break;
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}
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}
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if(!returnValue) {
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return false;
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}
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}
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for (let filter of filters){
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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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let field = 1;
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if(filter.title == "Type") {
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field = 1;
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} else if(filter.title == "Compatibility Level") {
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field = 4;
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}
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r= this.filterQuery(row[field], value.name);
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if(r) {
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returnValue = true;
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if(filter.filterOperator == "or") {
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break;
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}
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} else {
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if(filter.filterOperator == "and") {
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return false;
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}
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returnValue = false;
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}
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}
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}
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if(!returnValue) {
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return false;
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}
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}
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}
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return true;
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}
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}
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