openaire-library/searchPages/simple/searchOrganizations.compone...

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import {Component, Input, ViewChild} from '@angular/core';
import { ActivatedRoute} from '@angular/router';
import {Location} from '@angular/common';
import { Filter, Value} from '../searchUtils/searchHelperClasses.class';
import {SearchOrganizationsService} from '../../services/searchOrganizations.service';
import {SearchResult} from '../../utils/entities/searchResult';
import {ErrorCodes} from '../../utils/properties/openaireProperties';
import {SearchFields, FieldDetails} from '../../utils/properties/searchFields';
import {SearchPageComponent } from '../searchUtils/searchPage.component';
import {SearchUtilsClass } from '../searchUtils/searchUtils.class';
import{EnvProperties} from '../../utils/properties/env-properties';
@Component({
selector: 'search-organizations',
template: `
<search-page pageTitle="Search Organizations"
formPlaceholderText = "Search for Organizations"
type="organizations" entityType="organization" [(filters)] = "filters"
[(results)] = "results" [(searchUtils)] = "searchUtils"
[baseUrl] = "baseUrl" (queryChange)="queryChanged($event)"
[csvParams]="csvParams" csvPath="organizations" advancedSearchLink="/search/advanced/organizations"
[disableForms]="disableForms"
[loadPaging]="loadPaging"
[oldTotalResults]="oldTotalResults"
searchFormClass="organizationsSearchForm">
</search-page>
`
})
export class SearchOrganizationsComponent {
private errorCodes: ErrorCodes;
public results =[];
public filters =[];
public baseUrl:string;
public searchUtils:SearchUtilsClass = new SearchUtilsClass();
public sub: any;
public subResults: any;
public searchFields:SearchFields = new SearchFields();
public refineFields: string[] = this.searchFields.ORGANIZATION_REFINE_FIELDS;
public fieldIdsMap = this.searchFields.ORGANIZATION_FIELDS;
public urlParams : Map<string, string>;
public _location:Location;
public csvParams: string;
public disableForms: boolean = false;
public loadPaging: boolean = true;
public oldTotalResults: number = 0;
pagingLimit = 0;
properties: EnvProperties;
@ViewChild (SearchPageComponent) searchPage : SearchPageComponent ;
constructor (private route: ActivatedRoute, private _searchOrganizationsService: SearchOrganizationsService ) {
this.errorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
this.searchUtils.page =1;
}
public ngOnInit() {
this.route.data
.subscribe((data: { envSpecific: EnvProperties }) => {
this.properties = data.envSpecific;
this.baseUrl = data.envSpecific.searchLinkToOrganizations;
this.pagingLimit = data.envSpecific.pagingLimit;
});
this.searchPage.refineFields = this.refineFields;
this.searchPage.fieldIdsMap = this.fieldIdsMap;
var firstLoad = true;
this.sub = this.route.queryParams.subscribe(params => {
if(params['page'] && this.searchUtils.page != params['page']) {
this.loadPaging = false;
this.oldTotalResults = this.searchUtils.totalResults;
}
this.searchUtils.keyword = (params['keyword']?params['keyword']:'');
var refine = true;
if(this.searchUtils.page != ((params['page']=== undefined)?1:+params['page']) && this.filters && !firstLoad){
refine = false;
}
firstLoad = false;
this.searchUtils.page = (params['page']=== undefined)?1:+params['page'];
var queryParameters = this.searchPage.getQueryParametersFromUrl(params);
this._getResults(queryParameters, refine, this.searchUtils.page, this.searchUtils.size);
});
}
public ngOnDestroy() {
if(this.sub){
this.sub.unsubscribe();
}
if(this.subResults){
this.subResults.unsubscribe();
}
}
public getResults(keyword:string,refine:boolean, page: number, size: number){
var parameters = "";
if(keyword.length > 0){
parameters = "q=" + keyword;
}
this._getResults(parameters,refine,page,this.searchUtils.size);
}
private _getResults(parameters:string,refine:boolean, page: number, size: number){
if(page > this.pagingLimit) {
size=0;
}
if(page <= this.pagingLimit || this.searchUtils.status == this.errorCodes.LOADING) {
this.csvParams = parameters;
this.searchUtils.status = this.errorCodes.LOADING;
//this.searchPage.openLoading();
this.disableForms = true;
this.results = [];
this.searchUtils.totalResults = 0;
this.subResults = this._searchOrganizationsService.searchOrganizations(parameters,(refine)?this.searchPage.getRefineFieldsQuery():null, page, size, this.searchPage.getFields(), this.properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
console.info("search Organizations: [Parameters:"+parameters+" ] [total results:"+this.searchUtils.totalResults+"]");
this.results = data[1];
if(refine){
this.filters = data[2];
}
this.searchPage.checkSelectedFilters(this.filters);
this.searchPage.updateBaseUrlWithParameters(this.filters);
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
//this.searchPage.closeLoading();
this.disableForms = false;
if(this.searchUtils.status == this.errorCodes.DONE) {
// Page out of limit!!!
let totalPages:any = this.searchUtils.totalResults/(this.searchUtils.size);
if(!(Number.isInteger(totalPages))) {
totalPages = (parseInt(totalPages, 10) + 1);
}
if(totalPages < page) {
this.searchUtils.totalResults = 0;
this.searchUtils.status = this.errorCodes.OUT_OF_BOUND;
}
}
},
err => {
console.log(err);
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = ErrorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.ERROR;
if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}
//this.searchPage.closeLoading();
this.disableForms = false;
}
);
}
}
public queryChanged($event) {
this.loadPaging = true;
var parameters = $event.value;
console.info("queryChanged: Execute search query "+parameters);
this._getResults(parameters, true, this.searchUtils.page, this.searchUtils.size);
}
}