openaire-library/connect/community/community.service.ts

141 lines
4.6 KiB
TypeScript

import {Injectable} from '@angular/core';
import {HttpClient, HttpHeaders} from "@angular/common/http";
import {CommunityInfo} from './communityInfo';
import {map} from "rxjs/operators";
import {BehaviorSubject, from, Observable, Subscriber} from "rxjs";
import {properties} from "../../../../environments/environment";
import {StringUtils} from "../../utils/string-utils.class";
import {SelectionCriteria} from "../../utils/entities/contentProvider";
@Injectable({providedIn: 'root'})
export class CommunityService {
public community: BehaviorSubject<CommunityInfo> = new BehaviorSubject(null);
public communityId: string = null;
private promise: Promise<void> = null;
private subs = [];
constructor(private http: HttpClient) {}
clearSubscriptions() {
this.subs.forEach(subscription => {
if (subscription instanceof Subscriber) {
subscription.unsubscribe();
}
});
}
public getCommunityAsObservable() {
return this.community.asObservable();
}
setCommunity(community: CommunityInfo) {
this.community.next(community);
}
getCommunityInfo(communityId: string) {
return this.http.get<CommunityInfo>(properties.communityAPI + communityId)
.pipe(map(community => this.parseCommunity(community)));
}
getCommunity(communityId: string, refresh = false) {
if (this.communityId !== communityId || !this.community.value || refresh) {
this.communityId = communityId;
this.promise = new Promise<void>((resolve, reject) => {
this.subs.push(this.getCommunityInfo(communityId).subscribe(community => {
this.community.next(community);
resolve();
},
error => {
this.community.next(null);
resolve();
}));
});
}
return from(this.getCommunityAsync());
}
async getCommunityAsync() {
await this.promise;
// this.clearSubscriptions();
return this.community.getValue();
}
updateCommunity(url: string, community: any) {
if (!community.logoUrl) {
community.logoUrl = '';
}
const options = {
headers: new HttpHeaders({
'Content-Type': 'application/json',
})
};
return this.http.post(url, community, options);
}
public updateSubjects(subjects: string[], fos: string[], sdg: string[]) {
let communityInfo: CommunityInfo = this.community.value;
communityInfo.subjects = subjects;
communityInfo.fos = fos;
communityInfo.sdg = sdg;
this.community.next(communityInfo);
}
public updateAdvancedCriteria(selectionCriteria: SelectionCriteria) {
let communityInfo: CommunityInfo = this.community.value;
communityInfo.selectionCriteria = selectionCriteria;
this.community.next(communityInfo);
}
public parseCommunity(data: any): CommunityInfo {
const resData = Array.isArray(data) ? data[0] : data;
const community: CommunityInfo = new CommunityInfo();
community.title = resData.name;
community.shortTitle = resData.shortName;
community.communityId = resData.id;
community.queryId = resData.queryId;
community.logoUrl = resData.logoUrl;
community.description = resData.description;
community.date = resData.creationDate;
community.zenodoCommunity = resData.zenodoCommunity;
community.status = 'PUBLIC';
community.claim = resData.claim;
community.membership = resData.membership;
community.type = resData.type;
community.otherZenodoCommunities = resData.otherZenodoCommunities;
if (resData.hasOwnProperty('status')) {
community.status = resData.status;
community.validateStatus();
}
if (resData.subjects != null) {
community.subjects = Array.isArray(resData.subjects)?resData.subjects:[resData.subjects];
} else {
community.subjects = [];
}
if (resData.sdg != null) {
community.sdg = Array.isArray(resData.sdg)?resData.sdg:[resData.sdg];
} else {
community.sdg = [];
}
if (resData.fos != null) {
community.fos = Array.isArray(resData.fos)?resData.fos:[resData.fos];
} else {
community.fos = [];
}
if (resData.advancedConstraints != null) {
community.selectionCriteria = resData.advancedConstraints;
} else {
community.selectionCriteria = new SelectionCriteria();
}
return CommunityInfo.checkIsUpload(community);
}
isRIType(community: string): Observable<boolean> {
return this.getCommunity(community).pipe(map(community => community.type === 'ri'));
}
isCommunityType(community: string): Observable<boolean> {
return this.getCommunity(community).pipe(map(community => community.type === 'community'));
}
}