openaire-library/searchPages/simple/searchProjects.component.ts

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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 {SearchProjectsService} from '../../services/searchProjects.service';
import {SearchResult} from '../../utils/entities/searchResult';
import {ErrorCodes} from '../../utils/properties/errorCodes';
import {ErrorMessagesComponent} from '../../utils/errorMessages.component';
import {SearchFields, FieldDetails} from '../../utils/properties/searchFields';
import {SearchPageComponent } from '../searchUtils/searchPage.component';
import {SearchCustomFilter, SearchUtilsClass} from '../searchUtils/searchUtils.class';
import{EnvProperties} from '../../utils/properties/env-properties';
@Component({
selector: 'search-projects',
template: `
<search-page pageTitle="Search Projects"
formPlaceholderText = "Search for Projects"
type="projects" entityType="project" [(filters)] = "filters"
[(results)] = "results" [(searchUtils)] = "searchUtils"
[baseUrl] = "baseUrl"
[csvParams]="csvParams" csvPath="projects" advancedSearchLink="/search/advanced/projects"
[disableForms]="disableForms"
[loadPaging]="loadPaging"
[oldTotalResults]="oldTotalResults"
[piwikSiteId]=piwikSiteId
[searchFormClass]="customFilter && customFilter.queryFieldName == 'communityId' ?
'communityPanelBackground' : 'projectsSearchForm'">
</search-page>
`
})
export class SearchProjectsComponent {
private errorCodes: ErrorCodes;
private errorMessages: ErrorMessagesComponent;
@Input() piwikSiteId = null;
@Input() customFilter:SearchCustomFilter= null;
public results =[];
public filters: Filter[] =[];
public baseUrl:string;
public searchUtils:SearchUtilsClass = new SearchUtilsClass();
public sub: any;
public subResults: any;
public searchFields:SearchFields = new SearchFields();
public refineFields: string[] = this.searchFields.PROJECT_REFINE_FIELDS;
public fieldIdsMap = this.searchFields.PROJECT_FIELDS;
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 _searchProjectsService: SearchProjectsService) {
this.errorCodes = new ErrorCodes();
this.errorMessages = new ErrorMessagesComponent();
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.searchLinkToProjects;
this.pagingLimit = data.envSpecific.pagingLimit;
});
this.searchPage.refineFields = this.refineFields;
this.searchPage.fieldIdsMap = this.fieldIdsMap;
//get refine field filters from url parameters
var firstLoad = true;
this.sub = this.route.queryParams.subscribe(params => {
this.loadPaging = true;
if(params['page'] && this.searchUtils.page != params['page']) {
this.loadPaging = false;
this.oldTotalResults = this.searchUtils.totalResults;
}
//get keyword from url parameters
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;
//get page from url parameters
this.searchUtils.page = (params['page']=== undefined)?1:+params['page'];
this.searchUtils.size = (params['size']=== undefined)?10:+params['size'];
if(this.searchUtils.size != 5 && this.searchUtils.size != 10 && this.searchUtils.size != 20 && this.searchUtils.size != 50) {
this.searchUtils.size = 10;
}
this.searchPage.customFilter = this.customFilter;
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._searchProjectsService.searchProjects(parameters,(refine)?this.searchPage.getRefineFieldsQuery():null, page, size, this.searchPage.getFields(), this.properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
//console.info("search Projects: [Parameters:"+parameters+" ] [total results:"+this.searchUtils.totalResults+"]");
this.results = data[1];
if(refine){
this.filters = data[2];
}
this.searchPage.checkSelectedFilters(this.filters);
// this.filters = this.searchPage.checkSelectedFilters(data[2]);
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);
this.handleError("Error getting projects", err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
//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 getResultsForDataproviders(id:string, page: number, size: number){
this._searchProjectsService.getProjectsforDataProvider(id, page, size, this.properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
//console.info("search Projects for Dataproviders: [Id:"+id+" ] [total results:"+this.searchUtils.totalResults+"]");
this.results = data[1];
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
},
err => {
//console.log(err);
this.handleError("Error getting projects for content provider with id: "+id, err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
//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;
}*/
}
);
}
// public queryChanged($event) {
// this.loadPaging = true;
//
// this.urlParams = undefined;
// var parameters = $event.value;
// //this._getResults(parameters, true, this.searchUtils.page, this.searchUtils.size);
// }
private handleError(message: string, error) {
console.error("Projects simple Search Page: "+message, error);
}
}