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import { Component } from 'inferno';
import { Link } from 'inferno-router';
import { Subscription } from "rxjs";
import { retryWhen, delay, take } from 'rxjs/operators';
import { UserOperation, CommunityUser, GetFollowedCommunitiesResponse, ListCommunitiesForm, ListCommunitiesResponse, Community, SortType, GetSiteResponse, GetRepliesResponse, GetRepliesForm } from '../interfaces';
import { WebSocketService, UserService } from '../services';
import { PostListings } from './post-listings';
import { msgOp, repoUrl, mdToHtml } from '../utils';
interface State {
subscribedCommunities: Array<CommunityUser>;
trendingCommunities: Array<Community>;
site: GetSiteResponse;
loading: boolean;
}
export class Main extends Component<any, State> {
private subscription: Subscription;
private emptyState: State = {
subscribedCommunities: [],
trendingCommunities: [],
site: {
op: null,
site: {
id: null,
name: null,
creator_id: null,
creator_name: null,
published: null,
number_of_users: null,
number_of_posts: null,
number_of_comments: null,
},
admins: [],
banned: [],
},
loading: true
}
constructor(props: any, context: any) {
super(props, context);
this.state = this.emptyState;
this.subscription = WebSocketService.Instance.subject
.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
.subscribe(
(msg) => this.parseMessage(msg),
(err) => console.error(err),
() => console.log('complete')
);
WebSocketService.Instance.getSite();
if (UserService.Instance.user) {
WebSocketService.Instance.getFollowedCommunities();
// Get replies for the count
let repliesForm: GetRepliesForm = {
sort: SortType[SortType.New],
unread_only: true,
page: 1,
limit: 9999,
};
WebSocketService.Instance.getReplies(repliesForm);
}
let listCommunitiesForm: ListCommunitiesForm = {
sort: SortType[SortType.New],
limit: 6
}
WebSocketService.Instance.listCommunities(listCommunitiesForm);
}
componentWillUnmount() {
this.subscription.unsubscribe();
}
render() {
return (
<div class="container">
<div class="row">
<div class="col-12 col-md-8">
<PostListings />
</div>
<div class="col-12 col-md-4">
{this.state.loading ?
<h5><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> :
<div>
{this.trendingCommunities()}
{UserService.Instance.user && this.state.subscribedCommunities.length > 0 &&
<div>
<h5>Subscribed forums</h5>
<ul class="list-inline">
{this.state.subscribedCommunities.map(community =>
<li class="list-inline-item"><Link to={`/community/${community.community_id}`}>{community.community_name}</Link></li>
)}
</ul>
</div>
}
{this.landing()}
</div>
}
</div>
</div>
</div>
)
}
trendingCommunities() {
return (
<div>
<h5>Trending <Link class="text-white" to="/communities">forums</Link></h5>
<ul class="list-inline">
{this.state.trendingCommunities.map(community =>
<li class="list-inline-item"><Link to={`/community/${community.id}`}>{community.name}</Link></li>
)}
</ul>
</div>
)
}
landing() {
return (
<div>
<h5>{`${this.state.site.site.name}`}</h5>
<ul class="my-1 list-inline">
<li className="list-inline-item badge badge-light">{this.state.site.site.number_of_users} Users</li>
<li className="list-inline-item badge badge-light">{this.state.site.site.number_of_posts} Posts</li>
<li className="list-inline-item badge badge-light">{this.state.site.site.number_of_comments} Comments</li>
<li className="list-inline-item"><Link className="badge badge-light" to="/modlog">Modlog</Link></li>
</ul>
<ul class="list-inline small">
<li class="list-inline-item">admins: </li>
{this.state.site.admins.map(admin =>
<li class="list-inline-item"><Link class="text-info" to={`/user/${admin.id}`}>{admin.name}</Link></li>
)}
</ul>
{this.state.site.site.description &&
<div>
<hr />
<div className="md-div" dangerouslySetInnerHTML={mdToHtml(this.state.site.site.description)} />
<hr />
</div>
}
<h5>Welcome to
<svg class="icon mx-2"><use xlinkHref="#icon-mouse"></use></svg>
<a href={repoUrl}>Lemmy<sup>Beta</sup></a>
</h5>
<p>Lemmy is a <a href="https://en.wikipedia.org/wiki/Link_aggregation">link aggregator</a> / reddit alternative, intended to work in the <a href="https://en.wikipedia.org/wiki/Fediverse">fediverse</a>.</p>
<p>Its self-hostable, has live-updating comment threads, and is tiny (<code>~80kB</code>). Federation into the ActivityPub network is on the roadmap.</p>
<p>This is a <b>very early beta version</b>, and a lot of features are currently broken or missing.</p>
<p>Suggest new features or report bugs <a href={repoUrl}>here.</a></p>
<p>Made with <a href="https://www.rust-lang.org">Rust</a>, <a href="https://actix.rs/">Actix</a>, <a href="https://www.infernojs.org">Inferno</a>, <a href="https://www.typescriptlang.org/">Typescript</a>.</p>
</div>
)
}
parseMessage(msg: any) {
console.log(msg);
let op: UserOperation = msgOp(msg);
if (msg.error) {
alert(msg.error);
return;
} else if (op == UserOperation.GetFollowedCommunities) {
let res: GetFollowedCommunitiesResponse = msg;
this.state.subscribedCommunities = res.communities;
this.state.loading = false;
this.setState(this.state);
} else if (op == UserOperation.ListCommunities) {
let res: ListCommunitiesResponse = msg;
this.state.trendingCommunities = res.communities;
this.state.loading = false;
this.setState(this.state);
} else if (op == UserOperation.GetSite) {
let res: GetSiteResponse = msg;
// This means it hasn't been set up yet
if (!res.site) {
this.context.router.history.push("/setup");
}
this.state.site.admins = res.admins;
this.state.site.site = res.site;
this.state.site.banned = res.banned;
this.setState(this.state);
} else if (op == UserOperation.GetReplies) {
let res: GetRepliesResponse = msg;
this.sendRepliesCount(res);
}
}
sendRepliesCount(res: GetRepliesResponse) {
UserService.Instance.sub.next({user: UserService.Instance.user, unreadCount: res.replies.filter(r => !r.read).length});
}
}
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