openaire-library/searchPages/simple/searchResearchResults.compo...

253 lines
10 KiB
TypeScript

import {Component, Input, ViewChild} from '@angular/core';
import {ActivatedRoute} from '@angular/router';
import {Location} from '@angular/common';
import {SearchResearchResultsService} from '../../services/searchResearchResults.service';
import {ErrorCodes} from '../../utils/properties/errorCodes';
import {ErrorMessagesComponent} from '../../utils/errorMessages.component';
import {SearchFields} from '../../utils/properties/searchFields';
import {SearchPageComponent} from '../searchUtils/searchPage.component';
import {SearchCustomFilter, SearchUtilsClass} from '../searchUtils/searchUtils.class';
import {DOI} from '../../utils/string-utils.class';
import {EnvProperties} from '../../utils/properties/env-properties';
@Component({
selector: 'search-research-results',
template: `
<search-page pageTitle="Search {{ getEntityName(resultType, true, true) | titlecase }}"
formPlaceholderText = "Search for {{ getEntityName(resultType, true, true) | titlecase }}"
[type]="getEntityName(resultType, true, true)" [entityType]="resultType"
[(filters)] = "filters" [(results)] = "results"
[(searchUtils)] = "searchUtils" [(baseUrl)] = baseUrl
[csvParams]="csvParams" [csvPath]="getEntityName(resultType, true, false)"
[advancedSearchLink]="advancedSearchLink"
[disableForms]="disableForms"
[loadPaging]="loadPaging"
[oldTotalResults]="oldTotalResults"
[searchFormClass]="customFilter && customFilter.queryFieldName == 'communityId' ?
'communityPanelBackground' : 'publicationsSearchForm'"
[(openaireLink)]=openaireLink
[(advancedSearchParameters)]=advancedSearchParameters
[piwikSiteId]=piwikSiteId [hasPrefix]="hasPrefix"
[(sort)]=sort >
</search-page>
`
})
export class SearchResearchResultsComponent {
@Input() resultType: string = "publication";
public advancedSearchLink: string = "";
private errorCodes: ErrorCodes;
private errorMessages: ErrorMessagesComponent;
@Input() piwikSiteId = null;
@Input() hasPrefix: boolean = true;
public results =[];
public filters =[];
public searchUtils:SearchUtilsClass = new SearchUtilsClass();
public baseUrl:string = "";
public sub: any;
public subResults: any;
public searchFields:SearchFields = new SearchFields();
public refineFields: string[] = this.searchFields.RESULT_REFINE_FIELDS;
public fieldIdsMap=this.searchFields.RESULT_FIELDS;
@ViewChild (SearchPageComponent) searchPage : SearchPageComponent ;
public _location:Location;
public CSV: any = {
"columnNames": [
"Title", "Authors", "Publication Year", "DOI",
"Funder", "Project Name (GA Number)", "Access"
],
"export":[]
};
public CSVDownloaded = false;
public csvParams: string;
public disableForms: boolean = false;
public loadPaging: boolean = true;
public oldTotalResults: number = 0;
@Input() openaireLink: string;
@Input() customFilter:SearchCustomFilter= null;
@Input() advancedSearchParameters ;
pagingLimit = 0;
public sort: boolean = true;
properties: EnvProperties;
constructor (private route: ActivatedRoute, private _searchResearchResultsService: SearchResearchResultsService ) {
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.pagingLimit = data.envSpecific.pagingLimit;
if(this.resultType == "publication") {
this.advancedSearchLink = this.properties.searchLinkToAdvancedPublications;
this.baseUrl = this.properties.searchLinkToPublications;
} else if(this.resultType == "dataset") {
this.advancedSearchLink = this.properties.searchLinkToAdvancedDatasets;
this.baseUrl = this.properties.searchLinkToDatasets;
} else if(this.resultType == "software") {
this.advancedSearchLink = this.properties.searchLinkToAdvancedSoftware;
this.baseUrl = this.properties.searchLinkToSoftware;
} else if(this.resultType == "other") {
this.advancedSearchLink = this.properties.searchLinkToAdvancedOrps;
this.baseUrl = this.properties.searchLinkToOrps;
}
});
this.searchPage.refineFields = this.refineFields;
this.searchPage.fieldIdsMap = this.fieldIdsMap;
this.searchPage.type = this.getEntityName(this.resultType, true, true);
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;
}
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'];
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.searchUtils.sortBy = (params['sortBy'])?params['sortBy']:'';
if(this.searchUtils.sortBy && this.searchUtils.sortBy != "resultdateofacceptance,descending" && this.searchUtils.sortBy != "resultdateofacceptance,ascending") {
this.searchUtils.sortBy = "";
}
this.searchPage.customFilter = this.customFilter;
var queryParameters = this.searchPage.getQueryParametersFromUrl(params);
this._getResults(queryParameters, refine, this.searchUtils.page, this.searchUtils.size, this.searchUtils.sortBy);
});
}
public ngOnDestroy() {
if(this.sub){
this.sub.unsubscribe();
}
if(this.subResults){
this.subResults.unsubscribe();
}
}
public getResults(keyword:string,refine:boolean, page: number, size: number, sortBy: string){
var parameters = "";
if(keyword.length > 0){
var DOIs:string[] = DOI.getDOIsFromString(keyword);
var doisParams = "";
for(var i =0 ;i < DOIs.length; i++){
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
}
if(doisParams.length > 0){
parameters += "&"+doisParams;
}else{
parameters = "q=" + keyword;
}
}
this._getResults(parameters,refine,page,size,sortBy);
}
private _getResults(parameters:string,refine:boolean, page: number, size: number, sortBy: string){
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.disableForms = true;
this.results = [];
this.searchUtils.totalResults = 0;
this.subResults = this._searchResearchResultsService.search(this.resultType, parameters,(refine)?this.searchPage.getRefineFieldsQuery():null, page, size, sortBy, this.searchPage.getFields(), this.properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
this.results = data[1];
if(refine){
this.filters = data[2];
}
this.searchPage.checkSelectedFilters(this.filters);
this.searchPage.updateBaseUrlWithParameters(this.filters);
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 "+this.getEntityName(this.resultType, true, true), 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 queryChanged($event) {
// // this.loadPaging = true;
// }
private handleError(message: string, error) {
console.error(this.getEntityName(this.resultType, true, true)+" simple Search Page (SearchResearchResultsComponent): "+message, error);
}
public getEntityName (entityType:string, plural:boolean, full:boolean): string {
if(entityType == "publication") {
return "publication" + (plural ? "s" : "");
} else if(entityType == "dataset") {
return (full ? "research data" : ("dataset" + (plural ? "s" : "")));
} else if(entityType == "software") {
return "software";
} else if(entityType == "other") {
return (full ? ("other research product" + (plural ? "s" : "")) : "other");
}
}
}