import {Component, EventEmitter, Input, Output, ViewChild} from '@angular/core'; import {ActivatedRoute} from '@angular/router'; import {AdvancedField, Filter} from './searchUtils/searchHelperClasses.class'; import {SearchProjectsService} from '../services/searchProjects.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 {RangeFilter} from "../utils/rangeFilter/rangeFilterHelperClasses.class"; import {properties} from "../../../environments/environment"; @Component({ selector: 'search-projects', template: ` ` }) export class SearchProjectsComponent { private errorCodes: ErrorCodes; private errorMessages: ErrorMessagesComponent; @Input() customFilter: SearchCustomFilter = null; @Input() searchForm: SearchForm = {class: 'search-form', dark: true}; 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 openaireEntities = OpenaireEntities; public resourcesQuery = "(oaftype exact project)"; public csvParams: string; public disableForms: boolean = false; public disableRefineForms: boolean = false; public loadPaging: boolean = true; public oldTotalResults: number = 0; public pagingLimit: number = 0; public refineFields: string[] = this.searchFields.PROJECT_REFINE_FIELDS; @ViewChild(NewSearchPageComponent, {static: true}) searchPage: NewSearchPageComponent; @Input() simpleView: boolean = true; @Input() simpleSearchLink: string = ""; advancedSearchLink: string = ""; @Input() hasPrefix: boolean = true; @Input() openaireLink: string = null; @Input() includeOnlyResultsAndFilter: boolean = false; @Output() searchPageUpdates = new EventEmitter(); @Input() showSwitchSearchLink: boolean = true; @Input() showBreadcrumb: boolean = false; subs: any[] = []; searchResultsSub: any; searchFiltersSub: any; constructor(private route: ActivatedRoute, private _searchProjectsService: SearchProjectsService) { this.results = []; this.errorCodes = new ErrorCodes(); this.errorMessages = new ErrorMessagesComponent(); this.searchUtils.status = this.errorCodes.LOADING; this.searchUtils.refineStatus = this.errorCodes.LOADING; this.searchFields.sortFieldsByName(this.fieldIds, this.fieldIdsMap); } ngOnInit() { this.properties = properties; if (!this.simpleSearchLink) { this.simpleSearchLink = this.properties.searchLinkToProjects; } this.advancedSearchLink = this.properties.searchLinkToAdvancedProjects; this.searchUtils.baseUrl = (this.simpleView) ? this.simpleSearchLink : this.advancedSearchLink; this.pagingLimit = properties.pagingLimit; this.searchUtils.status = this.errorCodes.LOADING; var 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) ? 1 : +params['page']; this.searchUtils.page = (page <= 0) ? 1 : page; this.searchUtils.validateSize(params['size']); this.searchPage.fieldIds = this.fieldIds; this.selectedFields = []; this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, this.rangeFields, this.fieldIdsMap, this.customFilter, params, "project"); if (refine) { this._getFilters(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(), this.searchUtils.page, 0, "", true, this.searchPage.getSearchAPIQueryForRangeFields(params) + this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad)); } else { this.searchUtils.refineStatus = this.errorCodes.DONE; } this.getResults(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(), this.searchUtils.page, this.searchUtils.size, refine, this.searchPage.getSearchAPIQueryForRangeFields(params) + 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, sortBy: string, 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 }); this.searchFiltersSub = this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties, (refine) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery) //.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.rangeFilters = this.searchPage.prepareRangeFiltersToShow(); this.handleError("Error getting refine filters for projects: ", 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.rangeFilters = this.searchPage.prepareRangeFiltersToShow(); } 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) { // 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, disableRefineForms: this.disableRefineForms, searchUtils: this.searchUtils }); this.results = []; this.searchUtils.totalResults = 0; //console.info("Advanced Search for Publications: Execute search query "+parameters); this.searchResultsSub = this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties, null, this.searchPage.getFields(), refineFieldsFilterQuery).subscribe( //this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties,(refine) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery).subscribe( data => { let totalResults = data[0]; let results = data[1]; this.resultsReturned(refine, results, totalResults, page); }, err => { //console.log(err); this.handleError("Error getting projects", err); this.searchUtils.status = this.errorMessages.getErrorCode(err.status); //this.searchUtils.totalResults = null; //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, this.rangeFilters, 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("Projects advanced Search Page: " + message, error); } }