openaire-library/searchPages/searchProjects.component.ts

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import {Component, EventEmitter, Input, Output, ViewChild} from '@angular/core';
import {ActivatedRoute} from '@angular/router';
import {AdvancedField} from './searchUtils/searchHelperClasses.class';
import {SearchProjectsService} from '../services/searchProjects.service';
import {ErrorCodes} from '../utils/properties/errorCodes';
import {ErrorMessagesComponent} from '../utils/errorMessages.component';
import {SearchFields} from '../utils/properties/searchFields';
import {SearchCustomFilter, SearchUtilsClass} from './searchUtils/searchUtils.class';
import {EnvProperties} from '../utils/properties/env-properties';
import {NewSearchPageComponent} from "./searchUtils/newSearchPage.component";
import {RangeFilter} from "../utils/rangeFilter/rangeFilterHelperClasses.class";
@Component({
selector: 'search-projects',
template: `
<new-search-page
pageTitle="{{(simpleView?'':'Advanced ')}} Search for {{ 'projects' | titlecase }}"
entityType="project"
type="projects"
[results]="results"
[searchUtils]="searchUtils"
[fieldIds]="fieldIds" [fieldIdsMap]="fieldIdsMap" [selectedFields]="selectedFields"
[csvParams]="csvParams" csvPath="projects"
[simpleSearchLink]="simpleSearchLink" [advancedSearchLink]="advancedSearchLink"
[disableForms]="disableForms"
[loadPaging]="loadPaging"
[oldTotalResults]="oldTotalResults"
[openaireLink]=openaireLink
[piwikSiteId]=piwikSiteId [hasPrefix]="hasPrefix"
searchFormClass="projectSearchForm"
[includeOnlyResultsAndFilter]="includeOnlyResultsAndFilter"
[filters]="filters"
[rangeFilters]="rangeFilters" [rangeFields]="rangeFields"
[simpleView]="simpleView" formPlaceholderText="Search by title, author, doi, abstract content..."
>
</new-search-page>
`
})
export class SearchProjectsComponent {
private errorCodes: ErrorCodes;
private errorMessages: ErrorMessagesComponent;
@Input() piwikSiteId = null;
@Input() customFilter:SearchCustomFilter= null;
public results =[];
public filters =[];
public rangeFilters: RangeFilter[] = [];
public searchUtils:SearchUtilsClass = new SearchUtilsClass();
public searchFields:SearchFields = new SearchFields();
public fieldIds: string[] = this.searchFields.PROJECT_ADVANCED_FIELDS;
public fieldIdsMap = this.searchFields.PROJECT_FIELDS;
public rangeFields:string[][] = this.searchFields.PROJECT_RANGE_FIELDS;
public selectedFields:AdvancedField[] = [];
properties:EnvProperties;
public resourcesQuery = "(oaftype exact project)";
public csvParams: string;
public disableForms: boolean = false;
public loadPaging: boolean = true;
public oldTotalResults: number = 0;
public pagingLimit: number = 0;
public isPiwikEnabled;
public refineFields: string[] = this.searchFields.PROJECT_REFINE_FIELDS;
@ViewChild(NewSearchPageComponent) searchPage: NewSearchPageComponent;
@Input() simpleView: boolean = true;
@Input() simpleSearchLink: string = "";
advancedSearchLink: string = "";
@Input() hasPrefix: boolean = true;
@Input() openaireLink: string;
@Input() includeOnlyResultsAndFilter: boolean = false;
@Output() searchPageUpdates = new EventEmitter();
constructor (private route: ActivatedRoute, private _searchProjectsService: SearchProjectsService ) {
this.results =[];
this.errorCodes = new ErrorCodes();
this.errorMessages = new ErrorMessagesComponent();
this.searchUtils.status = this.errorCodes.LOADING;
}
ngOnInit() {
this.route.data
.subscribe((data: { envSpecific: EnvProperties }) => {
this.properties= data.envSpecific;
if (!this.simpleSearchLink) {
this.simpleSearchLink = this.properties.searchLinkToProjects;
}
this.advancedSearchLink = this.properties.searchLinkToAdvancedProjects;
this.searchUtils.baseUrl = (this.simpleView)?this.simpleSearchLink:this.advancedSearchLink;
this.pagingLimit = data.envSpecific.pagingLimit;
this.isPiwikEnabled = data.envSpecific.enablePiwikTrack;
});
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
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;
}
var refine = true;
if (this.searchUtils.page != ((params['page'] === undefined) ? 1 : +params['page']) && this.filters && !firstLoad) {
refine = false;
}
let page = (params['page']=== undefined)?1:+params['page'];
this.searchUtils.page = ( page <= 0 ) ? 1 : 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.fieldIds = this.fieldIds;
this.selectedFields = [];
this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, this.rangeFields, this.fieldIdsMap,this.customFilter,params, "project");
this.getResults(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(), this.searchUtils.page, this.searchUtils.size, refine, this.searchPage.getSearchAPIQueryForRangeFields(params)+this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
firstLoad = false;
});
}
ngOnDestroy() {
this.sub.unsubscribe();
}
sub: any;
public getResults(parameters:string, page: number, size: number, refine: boolean, refineFieldsFilterQuery = null){
if(page > this.pagingLimit) {
size=0;
}
if(page <= this.pagingLimit || this.searchUtils.status == this.errorCodes.LOADING) {
// if(parameters!= null && parameters != '' ) {
// this.csvParams ="&fq=( "+this.resourcesQuery + "and (" + parameters + "))";
// }else{
// this.csvParams ="&fq="+this.resourcesQuery;
// }
// this.csvParams += (refineFieldsFilterQuery?refineFieldsFilterQuery:'');
//
// //var errorCodes:ErrorCodes = new ErrorCodes();
this.csvParams = (parameters ? ("&fq=("+parameters) : "") + (parameters ? ")" : "");
this.csvParams += (refineFieldsFilterQuery ? refineFieldsFilterQuery : "");
this.searchUtils.status = this.errorCodes.LOADING;
//this.searchPage.openLoading();
this.disableForms = true;
this.searchPageUpdates.emit({disableForms: this.disableForms,searchUtils: this.searchUtils});
this.results = [];
this.searchUtils.totalResults = 0;
//console.info("Advanced Search for Publications: Execute search query "+parameters);
this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties,(refine) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery).subscribe(
data => {
this.searchUtils.totalResults = data[0];
this.results = data[1];
// this.searchPage.updateBaseUrlWithParameters();
if (refine) {
this.filters = this.searchPage.prepareFiltersToShow(data[2]);
}else{
this.searchPage.buildPageURLParameters(this.filters, this.rangeFilters, false);
}
this.rangeFilters = this.searchPage.prepareRangeFiltersToShow();
//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;
this.searchPageUpdates.emit({disableForms: this.disableForms, searchUtils: this.searchUtils})
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.NOT_AVAILABLE;
/*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;
this.searchPageUpdates.emit({disableForms: this.disableForms, searchUtils: this.searchUtils})
}
);
}
}
private handleError(message: string, error) {
console.error("Projects advanced Search Page: "+message, error);
}
}