104 lines
3.7 KiB
TypeScript
104 lines
3.7 KiB
TypeScript
import {Injectable} from '@angular/core';
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import {HttpClient} from "@angular/common/http";
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import {CommunityInfo} from '../community/communityInfo';
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import {EnvProperties} from '../../utils/properties/env-properties';
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import {BehaviorSubject, Subscriber} from "rxjs";
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import {map} from "rxjs/operators";
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@Injectable()
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export class CommunitiesService {
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public communities: BehaviorSubject<CommunityInfo[]> = null;
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constructor(private http: HttpClient) {
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this.communities = new BehaviorSubject([]);
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}
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sub;
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ngOnDestroy() {
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this.clearSubscriptions();
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}
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clearSubscriptions(){
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if (this.sub instanceof Subscriber) {
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this.sub.unsubscribe();
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}
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}
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updateCommunities(properties: EnvProperties, url: string) {
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this.sub = this.getCommunities(properties, url).subscribe(res => {
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this.communities.next(res);
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}, error => {
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this.communities.error(error);
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})
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}
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getCommunitiesState() {
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return this.communities.asObservable();
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}
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getCommunities(properties: EnvProperties, url: string) {
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return this.http.get((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url)
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.pipe(map(res => this.parseCommunities(res)));
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}
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parseCommunities(data: any): CommunityInfo[] {
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const communities: CommunityInfo[] = [];
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const length = Array.isArray(data) ? data.length : 1;
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for (let i = 0; i < length; i++) {
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const resData = Array.isArray(data) ? data[i] : data;
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const result: CommunityInfo = new CommunityInfo();
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result['title'] = resData.name;
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result['shortTitle'] = resData.shortName;
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result['communityId'] = resData.id;
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result['queryId'] = resData.queryId;
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result['logoUrl'] = resData.logoUrl;
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result['description'] = resData.description;
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result['date'] = resData.creationDate;
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result['status'] = 'all';
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if (resData.hasOwnProperty('status')) {
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result['status'] = resData.status;
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const status = ['all', 'hidden', 'manager'];
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if (status.indexOf(result['status']) === -1) {
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result['status'] = 'hidden';
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}
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}
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if (resData.type != null) {
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result['type'] = resData.type;
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}
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if (resData.managers != null) {
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if (result['managers'] === undefined) {
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result['managers'] = new Array<string>();
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}
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const managers = resData.managers;
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const lengthManagers = Array.isArray(managers) ? managers.length : 1;
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for (let j = 0; j < lengthManagers; j++) {
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const manager = Array.isArray(managers) ? managers[j] : managers;
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result.managers[j] = manager;
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}
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}
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if (resData.subjects != null) {
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if (result['subjects'] === undefined) {
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result['subjects'] = new Array<string>();
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}
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const subjects = resData.subjects;
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const lengthSubjects = Array.isArray(subjects) ? subjects.length : 1;
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for (let j = 0; j < lengthSubjects; j++) {
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const subject = Array.isArray(subjects) ? subjects[i] : subjects;
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result.subjects[j] = subject;
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}
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}
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if (result['type'] === 'community' || result['type'] === 'ri') {
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communities.push(result);
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}
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}
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return CommunityInfo.checkIsUpload(communities);
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}
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}
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