135 lines
4.6 KiB
TypeScript
135 lines
4.6 KiB
TypeScript
import { Component, linkEvent } from 'inferno';
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import { Link } from 'inferno-router';
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import { Subscription } from "rxjs";
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import { retryWhen, delay, take } from 'rxjs/operators';
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import { UserOperation, Community, ListCommunitiesResponse, CommunityResponse, FollowCommunityForm, ListCommunitiesForm, SortType } from '../interfaces';
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import { WebSocketService } from '../services';
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import { msgOp } from '../utils';
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declare const Sortable: any;
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interface CommunitiesState {
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communities: Array<Community>;
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loading: boolean;
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}
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export class Communities extends Component<any, CommunitiesState> {
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private subscription: Subscription;
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private emptyState: CommunitiesState = {
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communities: [],
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loading: true
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}
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constructor(props: any, context: any) {
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super(props, context);
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this.state = this.emptyState;
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this.subscription = WebSocketService.Instance.subject
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.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
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.subscribe(
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(msg) => this.parseMessage(msg),
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(err) => console.error(err),
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() => console.log('complete')
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);
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let listCommunitiesForm: ListCommunitiesForm = {
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sort: SortType[SortType.TopAll],
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limit: 100,
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}
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WebSocketService.Instance.listCommunities(listCommunitiesForm);
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}
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componentWillUnmount() {
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this.subscription.unsubscribe();
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}
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componentDidMount() {
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document.title = "Communities - Lemmy";
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let table = document.querySelector('#community_table');
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Sortable.initTable(table);
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}
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render() {
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return (
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<div class="container">
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{this.state.loading ?
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<h5 class=""><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> :
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<div>
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<h5>Communities</h5>
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<div class="table-responsive">
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<table id="community_table" class="table table-sm table-hover">
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<thead class="pointer">
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<tr>
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<th>Name</th>
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<th>Title</th>
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<th>Category</th>
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<th class="text-right d-none d-md-table-cell">Subscribers</th>
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<th class="text-right d-none d-md-table-cell">Posts</th>
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<th class="text-right d-none d-md-table-cell">Comments</th>
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<th></th>
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</tr>
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</thead>
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<tbody>
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{this.state.communities.map(community =>
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<tr>
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<td><Link to={`/c/${community.name}`}>{community.name}</Link></td>
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<td>{community.title}</td>
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<td>{community.category_name}</td>
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<td class="text-right d-none d-md-table-cell">{community.number_of_subscribers}</td>
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<td class="text-right d-none d-md-table-cell">{community.number_of_posts}</td>
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<td class="text-right d-none d-md-table-cell">{community.number_of_comments}</td>
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<td class="text-right">
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{community.subscribed ?
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<span class="pointer btn-link" onClick={linkEvent(community.id, this.handleUnsubscribe)}>Unsubscribe</span> :
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<span class="pointer btn-link" onClick={linkEvent(community.id, this.handleSubscribe)}>Subscribe</span>
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}
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</td>
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</tr>
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)}
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</tbody>
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</table>
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</div>
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</div>
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}
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</div>
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);
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}
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handleUnsubscribe(communityId: number) {
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let form: FollowCommunityForm = {
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community_id: communityId,
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follow: false
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};
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WebSocketService.Instance.followCommunity(form);
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}
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handleSubscribe(communityId: number) {
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let form: FollowCommunityForm = {
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community_id: communityId,
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follow: true
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};
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WebSocketService.Instance.followCommunity(form);
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}
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parseMessage(msg: any) {
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console.log(msg);
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let op: UserOperation = msgOp(msg);
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if (msg.error) {
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alert(msg.error);
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return;
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} else if (op == UserOperation.ListCommunities) {
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let res: ListCommunitiesResponse = msg;
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this.state.communities = res.communities;
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this.state.communities.sort((a, b) => b.number_of_subscribers - a.number_of_subscribers);
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this.state.loading = false;
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this.setState(this.state);
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} else if (op == UserOperation.FollowCommunity) {
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let res: CommunityResponse = msg;
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let found = this.state.communities.find(c => c.id == res.community.id);
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found.subscribed = res.community.subscribed;
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found.number_of_subscribers = res.community.number_of_subscribers;
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this.setState(this.state);
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}
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}
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}
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