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

138 lines
4.3 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";
@Injectable({providedIn: 'root'})
export class CommunityService {
public community: BehaviorSubject<CommunityInfo> = new BehaviorSubject(null);
public communityId: string = null;
private promise: Promise<boolean> = 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<any>((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 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'] = 'all';
if (resData.hasOwnProperty('status')) {
community['status'] = resData.status;
const status = ['all', 'hidden', 'manager'];
if (status.indexOf(community['status']) === -1) {
community['status'] = 'hidden';
}
}
if (resData.type != null) {
community['type'] = resData.type;
}
if (resData.managers != null) {
if (community['managers'] === undefined) {
community['managers'] = new Array<string>();
}
const managers = resData.managers;
const length = Array.isArray(managers) ? managers.length : 1;
for (let i = 0; i < length; i++) {
const manager = Array.isArray(managers) ? managers[i] : managers;
community.managers[i] = manager;
}
}
if (resData.subjects != null) {
if (community['subjects'] === undefined) {
community['subjects'] = new Array<string>();
}
const subjects = resData.subjects;
const length = Array.isArray(subjects) ? subjects.length : 1;
for (let i = 0; i < length; i++) {
const subject = Array.isArray(subjects) ? subjects[i] : subjects;
community.subjects[i] = subject;
}
}
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'));
}
}