openaire-library/searchPages/searchDataProviders.compone...

323 lines
14 KiB
TypeScript

import {Component, EventEmitter, Input, Output, ViewChild} from '@angular/core';
import {ActivatedRoute} from '@angular/router';
import {AdvancedField, Filter} from './searchUtils/searchHelperClasses.class';
import {SearchDataprovidersService} from '../services/searchDataproviders.service';
import {ErrorCodes} from '../utils/properties/errorCodes';
import {ErrorMessagesComponent} from '../utils/errorMessages.component';
import {OpenaireEntities, SearchFields} from '../utils/properties/searchFields';
import {SearchCustomFilter, SearchUtilsClass} from './searchUtils/searchUtils.class';
import {EnvProperties} from '../utils/properties/env-properties';
import {NewSearchPageComponent, SearchForm} from "./searchUtils/newSearchPage.component";
import {DatasourcesHelperClass} from "./searchUtils/datasourcesHelper.class";
import {properties} from "../../../environments/environment";
@Component({
selector: 'search-dataproviders',
template: `
<new-search-page
pageTitle="{{(simpleView?'':'Advanced ')}} Find research {{ pageTitle }}"
[entityType]=entityType
[type]="typeName"
[results]="results"
[searchUtils]="searchUtils"
[sortedByChanged]="searchUtils.sortBy"
[fieldIds]="fieldIds" [fieldIdsMap]="fieldIdsMap" [selectedFields]="selectedFields"
[csvParams]="csvParams" [csvPath]="csvPath"
[simpleSearchLink]="simpleSearchLink" [advancedSearchLink]="advancedSearchLink"
[disableForms]="disableForms"
[disableRefineForms]="disableRefineForms"
[loadPaging]="loadPaging"
[oldTotalResults]="oldTotalResults"
[openaireLink]=openaireLink
[includeOnlyResultsAndFilter]="includeOnlyResultsAndFilter"
[piwikSiteId]=piwikSiteId [hasPrefix]="hasPrefix"
[searchForm]="searchForm"
[entitiesSelection]="type=='all' || type == 'services'" [showSwitchSearchLink]="showSwitchSearchLink"
[filters]="filters"
[simpleView]="simpleView" formPlaceholderText="Search by name, description, subject..."
[showResultCount]="true" [showIndexInfo]="type!='deposit'"
[tableViewLink]="tableViewLink"
[sort]="false" [showBreadcrumb]="showBreadcrumb" [basicMetaDescription]="metaDescription">
</new-search-page>
`
})
export class SearchDataProvidersComponent {
private errorCodes: ErrorCodes;
private errorMessages: ErrorMessagesComponent;
@Input() piwikSiteId = null;
@Input() customFilter:SearchCustomFilter= null;
@Input() tableViewLink;
@Input() searchForm: SearchForm = {class: 'search-form', dark: true};
public results =[];
public filters =[];
public searchUtils:SearchUtilsClass = new SearchUtilsClass();
public searchFields:SearchFields = new SearchFields();
public fieldIds: string[] = this.searchFields.DATASOURCE_ADVANCED_FIELDS;
public fieldIdsMap= this.searchFields.DATASOURCE_FIELDS;
public selectedFields:AdvancedField[] = [];
public resourcesQuery = "(oaftype exact datasource)";
public csvParams: string;
public disableForms: boolean = false;
public disableRefineForms: boolean = false;
public loadPaging: boolean = true;
public oldTotalResults: number = 0;
public pagingLimit: number = 0;
public isPiwikEnabled;
properties:EnvProperties;
public openaireEntities = OpenaireEntities;
@Input() type: "all" | "registries" | "journals" | "compatible" | "deposit" | "services" = "all";
@Input() entityType: "dataprovider" | "service" = "dataprovider";
@Input() typeName = OpenaireEntities.DATASOURCES;
public refineFields: string[];
pageTitle;
@ViewChild(NewSearchPageComponent, { static: true }) searchPage: NewSearchPageComponent;
@Input() simpleView: boolean = true;
@Input() simpleSearchLink: string = "";
advancedSearchLink: string = "";
csvPath: string = "";
@Input() hasPrefix: boolean = true;
@Input() openaireLink: string;
@Input() includeOnlyResultsAndFilter: boolean = false;
@Output() searchPageUpdates = new EventEmitter();
@Input() showSwitchSearchLink:boolean;
@Input() showBreadcrumb: boolean = false;
subs: any[] = [];
searchResultsSub: any;
searchFiltersSub: any;
metaDescription = [];
constructor (private route: ActivatedRoute, private _searchDataProvidersService: SearchDataprovidersService ) {
this.results =[];
this.errorCodes = new ErrorCodes();
this.errorMessages = new ErrorMessagesComponent();
this.searchUtils.status = this.errorCodes.LOADING;
}
ngOnInit() {
this.refineFields = DatasourcesHelperClass.getrefineFields(this.type);
this.pageTitle = DatasourcesHelperClass.getTitle(this.type);
this.metaDescription = DatasourcesHelperClass.getDescription(this.type)
if(this.showSwitchSearchLink == null){
this.showSwitchSearchLink = (this.type == "all" || this.type == "services");
}
this.properties= properties;
this.csvPath = this.entityType == "service" ? OpenaireEntities.SERVICES_FILE : OpenaireEntities.DATASOURCES_FILE;
if (!this.simpleSearchLink) {
this.simpleSearchLink = this.entityType == "service" ? this.properties.searchLinkToServices : this.properties.searchLinkToDataProviders;
}
this.advancedSearchLink = this.entityType == "service" ? this.properties.searchLinkToAdvancedServices : this.properties.searchLinkToAdvancedDataProviders;
this.searchUtils.baseUrl = (this.simpleView)?this.simpleSearchLink:this.advancedSearchLink;
this.pagingLimit = properties.pagingLimit;
this.isPiwikEnabled = properties.enablePiwikTrack;
let firstLoad = true;
this.subs.push(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.searchPage.searchUtils.refineStatus == this.errorCodes.DONE) {
if (params['page'] != undefined && this.filters && !firstLoad && this.searchUtils.page != +params['page']) {
refine = false;
}
if (params['size'] != undefined && this.filters && !firstLoad && this.searchUtils.size != params['size']) {
refine = false;
}
}
let page = (params['page']=== undefined)?0:+params['page'];
this.searchUtils.page = ( page < 1 ) ? 1 : page;
this.searchUtils.validateSize(params['size']);
this.searchPage.fieldIds = this.fieldIds;
this.selectedFields =[];
if(this.type == "deposit"){
this.searchPage.keywordFields = this.searchFields.DEPOSIT_DATASOURCE_KEYWORD_FIELDS;
this.searchPage.usedBy = "deposit";
}
this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, [], this.fieldIdsMap,this.customFilter,params, this.entityType);
if(refine) {
this._getFilters(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(params), this.searchUtils.page, 0, true, this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
} else {
this.searchUtils.refineStatus = this.errorCodes.DONE;
}
this.getResults(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(params), this.searchUtils.page, this.searchUtils.size, refine, this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
firstLoad = false;
}));
}
ngOnDestroy() {
if(this.searchResultsSub) {
this.searchResultsSub.unsubscribe();
}
if(this.searchFiltersSub) {
this.searchFiltersSub.unsubscribe();
}
for (let sub of this.subs) {
sub.unsubscribe();
}
}
public _getFilters(parameters:string, page: number, size: number, refine: boolean, refineFieldsFilterQuery = null){
if (page <= this.pagingLimit || this.searchUtils.refineStatus == this.errorCodes.LOADING) {
this.searchUtils.refineStatus = this.errorCodes.LOADING;
this.disableRefineForms = true;
this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
let datasourceQueryPrefix = DatasourcesHelperClass.getQueryPrefix(this.type);
this.searchFiltersSub = this._searchDataProvidersService.advancedSearchDataproviders( datasourceQueryPrefix +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' and (':'') + parameters +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' ) ':''), page, size, this.properties, (refine /*&& (this.type=="all" || this.type == "deposit")*/) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery, (this.type == "deposit"))
//.switchMap(
.subscribe(
data => {
let totalResults = data[0];
let filters = data[2];
this.filtersReturned(refine, filters, totalResults, page);
},
err => {
this.filters = this.searchPage.prepareFiltersToShow([], 0);
this.handleError("Error getting refine filters for "+OpenaireEntities.DATASOURCES+": ", err);
this.searchUtils.refineStatus = this.errorMessages.getErrorCode(err.status);
this.disableRefineForms = false;
this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils})
}
);
}
}
public filtersReturned(refine: boolean, filters: Filter[], totalResults, page: number) {
if (refine) {
this.filters = this.searchPage.prepareFiltersToShow(filters, totalResults);
}
this.searchUtils.refineStatus = this.errorCodes.DONE;
if(totalResults == 0) {
this.searchUtils.refineStatus = this.errorCodes.NONE;
}
if (this.searchUtils.refineStatus == this.errorCodes.DONE) {
// Page out of limit!!!
let totalPages: any = totalResults / (this.searchUtils.size);
if (!(Number.isInteger(totalPages))) {
totalPages = (parseInt(totalPages, 10) + 1);
}
if (totalPages < page) {
this.searchUtils.refineStatus = this.errorCodes.OUT_OF_BOUND;
}
}
if(this.searchUtils.refineStatus != this.errorCodes.DONE && this.searchUtils.status != this.searchUtils.refineStatus) {
if (this.searchResultsSub) {
this.searchResultsSub.unsubscribe();
}
this.resultsReturned(refine, [], totalResults, page);
}
this.disableRefineForms = false;
this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils})
}
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) {
this.csvParams = (parameters ? ("&fq=("+parameters) : "") + (parameters ? ")" : "");
this.csvParams += (refineFieldsFilterQuery ? refineFieldsFilterQuery : "");
this.searchUtils.status = this.errorCodes.LOADING;
this.disableForms = true;
this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
this.results = [];
this.searchUtils.totalResults = 0;
let datasourceQueryPrefix = DatasourcesHelperClass.getQueryPrefix(this.type);
this.searchResultsSub = this._searchDataProvidersService.advancedSearchDataproviders( datasourceQueryPrefix +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' and (':'') + parameters +(datasourceQueryPrefix.length > 0 && parameters.length > 0 ?' ) ':''), page, size, this.properties, null, this.searchPage.getFields(), refineFieldsFilterQuery, (this.type == "deposit")).subscribe(
data => {
let totalResults = data[0];
let results = data[1];
this.resultsReturned(refine, results, totalResults, page);
},
err => {
//console.log(err);
this.handleError("Error getting "+OpenaireEntities.DATASOURCES, 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, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
this.searchPage.hideFilters = false;
}
);
}
}
public resultsReturned(refine: boolean, results: any, totalResults, page: number) {
this.searchUtils.totalResults = totalResults;
this.results = results;
if(!refine) {
this.searchPage.buildPageURLParameters(this.filters, [], false);
}
this.searchPage.hideFilters = false;
this.searchUtils.status = this.errorCodes.DONE;
if (this.searchUtils.totalResults == 0) {
this.searchUtils.status = this.errorCodes.NONE;
}
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;
}
}
if(this.searchUtils.status != this.errorCodes.DONE && this.searchUtils.refineStatus != this.searchUtils.status) {
if(this.searchFiltersSub) {
this.searchFiltersSub.unsubscribe();
}
this.filtersReturned(refine, [], totalResults, page);
}
this.disableForms = false;
this.searchPageUpdates.emit({disableForms: this.disableForms, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils});
}
private handleError(message: string, error) {
console.error(OpenaireEntities.DATASOURCES+" advanced Search Page: "+message, error);
}
}