505 lines
18 KiB
TypeScript
505 lines
18 KiB
TypeScript
import {Component, ViewChild} from "@angular/core";
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import {SearchUtilsClass} from "../../openaireLibrary/searchPages/searchUtils/searchUtils.class";
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import {ErrorMessagesComponent} from "../../openaireLibrary/utils/errorMessages.component";
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import {ErrorCodes} from "../../openaireLibrary/utils/properties/errorCodes";
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import {EnvProperties} from "../../openaireLibrary/utils/properties/env-properties";
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import {ActivatedRoute} from "@angular/router";
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import {AdvancedField, Filter, Value} from "../../openaireLibrary/searchPages/searchUtils/searchHelperClasses.class";
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import {SearchFields} from "../../openaireLibrary/utils/properties/searchFields";
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import {CommunitiesService} from "../../openaireLibrary/connect/communities/communities.service";
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import {Session, User} from "../../openaireLibrary/login/utils/helper.class";
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import {CommunityInfo} from "../../openaireLibrary/connect/community/communityInfo";
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import {StringUtils} from "../../openaireLibrary/utils/string-utils.class";
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import {HelperFunctions} from "../../openaireLibrary/utils/HelperFunctions.class";
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import {UserManagementService} from "../../openaireLibrary/services/user-management.service";
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import {Breadcrumb} from "../../openaireLibrary/utils/breadcrumbs/breadcrumbs.component";
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import {NewSearchPageComponent} from "../../openaireLibrary/searchPages/searchUtils/newSearchPage.component";
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import {properties} from "../../../environments/environment";
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import {Subscriber} from "rxjs";
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@Component({
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selector: 'search-communities',
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template: `
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<new-search-page pageTitle="Search Communities"
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[hasPrefix]=true prefix="OpenAIRE Connect | " [piwikSiteId]="piwikSiteId"
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searchFormClass="communitiesSearchForm"
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[formPlaceholderText]="'Search for Research Gateways…'"
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type="communities" entityType="community"
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[results]="results" [searchUtils]="searchUtils"
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[showResultCount]=true
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[disableForms]="disableForms"
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[showIndexInfo]=false
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[simpleView]="true"
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[fieldIds]="fieldIds" [fieldIdsMap]="fieldIdsMap" [selectedFields]="selectedFields"
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[simpleSearchLink]="searchLink" [entitiesSelection]="false" [showBreadcrumb]="true" [basicMetaDescription]="['Research communities', 'Discover OpenAIRE research gateways for research communities.']">
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</new-search-page>
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`
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})
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export class SearchCommunitiesComponent {
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public piwikSiteId = null;
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private errorCodes: ErrorCodes;
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private errorMessages: ErrorMessagesComponent;
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public results: CommunityInfo[] = [];
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public totalResults: CommunityInfo[] = [];
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public subscriptions = [];
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public filters = [];
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public searchFields: SearchFields = new SearchFields();
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public searchUtils: SearchUtilsClass = new SearchUtilsClass();
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public selectedFields: AdvancedField[] = [];
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public disableForms: boolean = false;
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public baseUrl: string = null;
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public fieldIds: string[] = ["q"];
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public refineFields: string[] = this.searchFields.COMMUNITIES_SEARCH_FIELDS;
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public fieldIdsMap = {
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["q"]: {
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name: "All fields",
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type: "keyword",
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param: "q",
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operator: "op",
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equalityOperator: "=",
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filterType: null
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}
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};
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public keyword = "";
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public searchLink;
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public showType = false;
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public breadcrumbs: Breadcrumb[] = [{name: 'home', route: '/'}, {name: 'communities'}];
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properties: EnvProperties;
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@ViewChild(NewSearchPageComponent, { static: true }) searchPage: NewSearchPageComponent;
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private user: User;
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private userFilterLoaded: boolean = false;
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constructor(private route: ActivatedRoute,
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private _communitiesService: CommunitiesService,
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private userManagementService: UserManagementService) {
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this.errorCodes = new ErrorCodes();
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this.errorMessages = new ErrorMessagesComponent();
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this.searchUtils.status = this.errorCodes.LOADING;
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}
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public ngOnInit() {
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var firstLoad = true;
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this.properties = properties;
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this.piwikSiteId = this.properties.piwikSiteId;
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this.baseUrl = this.properties.searchLinkToCommunities;
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this.subscriptions.push(this.route.queryParams.subscribe(params => {
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this.searchPage.resultsPerPage = 10;
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this.keyword = (params['fv0'] ? params['fv0'] : '');
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this.keyword = StringUtils.URIDecode(this.keyword);
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this.searchUtils.page = (params['page'] === undefined) ? 1 : +params['page'];
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this.searchUtils.sortBy = (params['sortBy'] === undefined) ? '' : params['sortBy'];
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this.searchUtils.size = (params['size'] === undefined) ? this.searchPage.resultsPerPage : +params['size'];
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this.searchUtils.baseUrl = this.baseUrl;
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this.searchPage.searchUtils = this.searchUtils;
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if (this.searchUtils.size != 5 && this.searchUtils.size != 10 && this.searchUtils.size != 20 && this.searchUtils.size != 50) {
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this.searchUtils.size = this.searchPage.resultsPerPage;
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}
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if (this.searchUtils.sortBy && this.searchUtils.sortBy != "creationdate,descending" && this.searchUtils.sortBy != "creationdate,ascending") {
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this.searchUtils.sortBy = "";
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}
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this.searchPage.refineFields = this.refineFields;
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this.searchLink = this.properties.searchLinkToCommunities;
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this.selectedFields = [];
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this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, [], this.fieldIdsMap, null, params, "community", null);
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let queryParams = params;//this.searchPage.getQueryParamsFromUrl(params);
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if (typeof document !== 'undefined') {
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this.subscriptions.push(this.userManagementService.getUserInfo().subscribe(user => {
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this.user = user;
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this.initCommunities(queryParams);
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}));
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} else {
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this.initCommunities(queryParams);
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}
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}));
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}
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ngOnDestroy() {
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this.subscriptions.forEach(subscription => {
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if (subscription instanceof Subscriber) {
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subscription.unsubscribe();
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}
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});
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}
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/**
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* Initialize communities from Communities APIs
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*
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* @param params
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*/
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private initCommunities(params) {
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this.subscriptions.push(this._communitiesService.getCommunitiesState().subscribe(
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data => {
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if (!data) {
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return;
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}
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for (let i = 0; i < data.length; i++) {
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this.totalResults[i] = data[i];
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this.totalResults[i].isManager = false;
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this.totalResults[i].isSubscribed = false;
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if (this.user) {
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this.totalResults[i].isManager = this.isCommunityManager(this.totalResults[i]);
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this.totalResults[i].isSubscribed = Session.isSubscribedTo('community', this.totalResults[i].communityId, this.user);
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}
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}
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if (this.user) {
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this._getResults(params);
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} else {
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this._getResults(params);
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}
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},
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err => {
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this.handleError('Error getting communities', err);
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this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
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this.disableForms = false;
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}
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));
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}
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/**
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* Get all communities from Communities API and apply permission access validator,
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* keyword searching, filter, paging and sorting.
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*
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* @param params, status
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* @private
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*/
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private _getResults(params) {
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this.searchUtils.status = this.errorCodes.LOADING;
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this.disableForms = true;
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this.results = this.totalResults;
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this.filters = this.createFilters();
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this.searchUtils.totalResults = 0;
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this.applyParams(params);
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}
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/**
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* Return the communities in which user has permission to view or manage.
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*/
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private showCommunities() {
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let ret: CommunityInfo[] = [];
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for (let result of this.results) {
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if (result.status == 'hidden') {
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continue;
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} else if (result.status == "manager") {
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let mail = (this.user) ? this.user.email : null;
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if (mail == null) { // no user
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continue;
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} else if (Session.isCommunityCurator(this.user) || Session.isPortalAdministrator(this.user)) {
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ret.push(result);
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} else if (result.managers.indexOf(mail) != -1) {
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ret.push(result);
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}
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continue;
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}
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ret.push(result);
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}
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this.results = ret;
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}
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/**
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* Apply permission access validator,
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* keyword searching, filter, paging and sorting.
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*
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* @param params
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* @param status
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*/
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public applyParams(params: Map<string, string>) {
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this.showCommunities();
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if (this.keyword && this.keyword != '') {
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this.searchForKeywords();
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}
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this.checkFilters(params);
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this.sort();
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this.searchUtils.totalResults = this.results.length;
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this.filters = this.searchPage.prepareFiltersToShow(this.filters, this.searchUtils.totalResults);
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this.results = this.results.slice((this.searchUtils.page - 1) * this.searchUtils.size, (this.searchUtils.page * this.searchUtils.size));
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this.searchUtils.status = this.errorCodes.DONE;
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if (this.searchUtils.totalResults == 0) {
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this.searchUtils.status = this.errorCodes.NONE;
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}
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this.disableForms = false;
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if (this.searchUtils.status == this.errorCodes.DONE) {
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// Page out of limit!!!
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let totalPages: any = this.searchUtils.totalResults / (this.searchUtils.size);
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if (!(Number.isInteger(totalPages))) {
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totalPages = (parseInt(totalPages, 10) + 1);
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}
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if (totalPages < this.searchUtils.page) {
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this.searchUtils.totalResults = 0;
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this.searchUtils.status = this.errorCodes.OUT_OF_BOUND;
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}
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}
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}
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/**
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* Parse the given keywords into array and check if any of the requirements field of a community includes
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* one of the given words.
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*/
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private searchForKeywords() {
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let ret: CommunityInfo[] = [];
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let keywords: string[] = this.keyword.split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/, -1);
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for (let i = 0; i < this.results.length; i++) {
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for (let keyword of keywords) {
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keyword = keyword.toLowerCase();
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if (keyword != '' && (StringUtils.containsWord(this.results[i].title, keyword) || StringUtils.containsWord(this.results[i].shortTitle, keyword) ||
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StringUtils.containsWord(this.results[i].communityId, keyword) || StringUtils.containsWord(this.results[i].description, keyword))) {
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ret.push(this.results[i]);
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break;
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}
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}
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}
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this.results = ret;
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}
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/**
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* Check the current results if they satisfy the values of each filter category and
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* update the number of possible results in each value.
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*
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* @param params
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*/
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private checkFilters(params) {
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let typeResults: CommunityInfo[] = this.applyFilter('type', params);
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let statusResults: CommunityInfo[] = this.results;
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let roleResults: CommunityInfo[] = this.results;
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if (this.user) {
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statusResults = this.applyFilter('status', params);
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roleResults = this.applyFilter('role', params);
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this.resetFilterNumbers('status');
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this.updateFilterNumbers(typeResults.filter(value => {
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return roleResults.includes(value);
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}), 'status');
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this.resetFilterNumbers('role');
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this.updateFilterNumbers(statusResults.filter(value => {
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return typeResults.includes(value);
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}), 'role');
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}
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this.resetFilterNumbers('type');
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this.updateFilterNumbers(statusResults.filter(value => {
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return roleResults.includes(value);
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}), 'type');
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this.results = statusResults.filter(value => {
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return typeResults.includes(value);
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})
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this.results = this.results.filter(value => {
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return roleResults.includes(value);
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});
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}
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/**
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* Apply filter with filterId and return the results
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*
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* @param filterId
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* @param params
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*/
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private applyFilter(filterId: string, params): CommunityInfo[] {
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let results: CommunityInfo[] = [];
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let values: string[] = [];
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if (params[filterId]) {
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values = (StringUtils.URIDecode(params[filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/, -1);
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}
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if (filterId == 'type') {
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for (let i = 0; i < this.results.length; i++) {
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if (values.length == 0) {
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results.push(this.results[i]);
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} else {
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for (let value of values) {
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if (this.results[i].type == value.replace(/["']/g, "")) {
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results.push(this.results[i]);
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break;
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}
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}
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}
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}
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} else if (filterId == 'status') {
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for (let i = 0; i < this.results.length; i++) {
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if (values.length == 0) {
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results.push(this.results[i]);
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} else {
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for (let value of values) {
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if (value.replace(/["']/g, "") == 'subscribed') {
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if (this.results[i].isSubscribed) {
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results.push(this.results[i]);
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break;
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}
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} else if (value.replace(/["']/g, "") == 'nonsubscribed') {
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if (!this.results[i].isSubscribed) {
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results.push(this.results[i]);
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break;
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}
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}
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}
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}
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}
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} else if (filterId == 'role') {
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for (let i = 0; i < this.results.length; i++) {
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if (values.length == 0) {
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results.push(this.results[i]);
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} else {
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for (let value of values) {
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if (value.replace(/["']/g, "") == 'manager') {
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if (this.results[i].isManager) {
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results.push(this.results[i]);
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break;
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}
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}
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}
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}
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}
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}
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return results;
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}
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/**
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* Reset the values of filter with id filterId with zero.
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*
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* @param filterId
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*/
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private resetFilterNumbers(filterId: string) {
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for (let i = 0; i < this.filters.length; i++) {
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if (this.filters[i].filterId == filterId) {
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for (let j = 0; j < this.filters[i].values.length; j++) {
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this.filters[i].values[j].number = 0;
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}
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break;
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}
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}
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}
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/**
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* Update the values of filter with id filterId based on
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* results.
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*
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* @param results
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* @param filterId
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*/
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private updateFilterNumbers(results: CommunityInfo[], filterId: string) {
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for (let k = 0; k < results.length; k++) {
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for (let i = 0; i < this.filters.length; i++) {
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if (this.filters[i].filterId == filterId) {
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if (this.filters[i].filterId == 'type') {
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for (let j = 0; j < this.filters[i].values.length; j++) {
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if (results[k].type == this.filters[i].values[j].id) {
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this.filters[i].values[j].number++;
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}
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}
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} else if (this.filters[i].filterId == 'status') {
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if (results[k].isSubscribed) {
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this.filters[i].values[0].number++;
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} else {
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this.filters[i].values[1].number++;
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}
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} else if (this.filters[i].filterId == 'role') {
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if (results[k].isManager) {
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this.filters[i].values[0].number++;
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}
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}
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break;
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}
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}
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}
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}
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/**
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* Sorting results based on sortBy.
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*/
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private sort() {
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if (this.searchUtils.sortBy == '') {
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this.results.sort((left, right): number => {
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if (left.title > right.title) {
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return 1;
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} else if (left.title < right.title) {
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return -1;
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} else {
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return 0;
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}
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})
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} else if (this.searchUtils.sortBy == 'creationdate,descending') {
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this.results.sort((left, right): number => {
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if (!right.date || left.date > right.date) {
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return -1;
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} else if (!left.date || left.date < right.date) {
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return 1;
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} else {
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return 0;
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}
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})
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} else if (this.searchUtils.sortBy == 'creationdate,ascending') {
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this.results.sort((left, right): number => {
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if (!right.date || left.date > right.date) {
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return 1;
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} else if (!left.date || left.date < right.date) {
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return -1;
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} else {
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return 0;
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}
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})
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}
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}
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private isCommunityManager(community: CommunityInfo): boolean {
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return Session.isPortalAdministrator(this.user) || Session.isCommunityCurator(this.user) || Session.isManager('community', community.communityId, this.user);
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}
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/**
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* Create Search Communities filters.
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*
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*/
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private createFilters(): Filter[] {
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let filter_names = [];
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let filter_ids = [];
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let searchFields = new SearchFields();
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let filter_original_ids = searchFields.COMMUNITIES_SEARCH_FIELDS;
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let value_names = [];
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let value_original_ids = [];
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this.showType = this.results.filter(community => community.type === 'ri').length > 0;
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if (this.showType) {
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filter_names.push("Type");
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filter_ids.push("type");
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value_names.push(["Research Communities", "Research Initiatives"]);
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value_original_ids.push(["community", "ri"]);
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} else {
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filter_original_ids = searchFields.COMMUNITIES_SEARCH_FIELDS.splice(0, 1);
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}
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if (this.user) {
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filter_names.push("Status");
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filter_ids.push("status");
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value_names.push(["Subscribed", "Non-subscribed"]);
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value_original_ids.push(["subscribed", "nonsubscribed"]);
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filter_names.push("Role");
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filter_ids.push("role");
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value_names.push(["Manager"]);
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value_original_ids.push(["manager"]);
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this.userFilterLoaded = true;
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}
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let filters: Filter[] = [];
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for (let i = 0; i < filter_names.length; i++) {
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let values: Value[] = [];
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for (let j = 0; j < value_names[i].length; j++) {
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let value: Value = {name: value_names[i][j], id: value_original_ids[i][j], number: 0, selected: false};
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values.push(value);
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}
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let filter: Filter = {
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title: filter_names[i],
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filterId: filter_ids[i],
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originalFilterId: filter_original_ids[i],
|
|
values: values,
|
|
countSelectedValues: 0,
|
|
"filterOperator": 'or',
|
|
valueIsExact: true,
|
|
filterType: "checkbox"
|
|
};
|
|
filters.push(filter);
|
|
}
|
|
return filters;
|
|
}
|
|
|
|
private handleError(message: string, error) {
|
|
console.error('Communities Search Page: ' + message, error);
|
|
}
|
|
|
|
}
|