384 lines
12 KiB
TypeScript
384 lines
12 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, CommunityUser, GetFollowedCommunitiesResponse, ListCommunitiesForm, ListCommunitiesResponse, Community, SortType, GetSiteResponse, ListingType, SiteResponse, GetPostsResponse, CreatePostLikeResponse, Post, GetPostsForm } from '../interfaces';
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import { WebSocketService, UserService } from '../services';
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import { PostListings } from './post-listings';
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import { SiteForm } from './site-form';
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import { msgOp, repoUrl, mdToHtml, fetchLimit, routeSortTypeToEnum, routeListingTypeToEnum } from '../utils';
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interface MainState {
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subscribedCommunities: Array<CommunityUser>;
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trendingCommunities: Array<Community>;
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site: GetSiteResponse;
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showEditSite: boolean;
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loading: boolean;
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posts: Array<Post>;
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type_: ListingType;
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sort: SortType;
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page: number;
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}
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export class Main extends Component<any, MainState> {
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private subscription: Subscription;
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private emptyState: MainState = {
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subscribedCommunities: [],
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trendingCommunities: [],
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site: {
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op: null,
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site: {
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id: null,
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name: null,
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creator_id: null,
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creator_name: null,
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published: null,
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number_of_users: null,
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number_of_posts: null,
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number_of_comments: null,
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},
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admins: [],
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banned: [],
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},
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showEditSite: false,
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loading: true,
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posts: [],
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type_: this.getListingTypeFromProps(this.props),
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sort: this.getSortTypeFromProps(this.props),
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page: this.getPageFromProps(this.props),
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}
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getListingTypeFromProps(props: any): ListingType {
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return (props.match.params.type) ?
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routeListingTypeToEnum(props.match.params.type) :
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UserService.Instance.user ?
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ListingType.Subscribed :
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ListingType.All;
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}
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getSortTypeFromProps(props: any): SortType {
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return (props.match.params.sort) ?
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routeSortTypeToEnum(props.match.params.sort) :
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SortType.Hot;
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}
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getPageFromProps(props: any): number {
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return (props.match.params.page) ? Number(props.match.params.page) : 1;
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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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WebSocketService.Instance.getSite();
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if (UserService.Instance.user) {
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WebSocketService.Instance.getFollowedCommunities();
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}
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let listCommunitiesForm: ListCommunitiesForm = {
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sort: SortType[SortType.New],
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limit: 6
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}
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WebSocketService.Instance.listCommunities(listCommunitiesForm);
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this.fetchPosts();
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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 = "Lemmy";
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}
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// Necessary for back button for some reason
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componentWillReceiveProps(nextProps: any) {
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if (nextProps.history.action == 'POP') {
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this.state = this.emptyState;
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this.state.type_ = this.getListingTypeFromProps(nextProps);
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this.state.sort = this.getSortTypeFromProps(nextProps);
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this.state.page = this.getPageFromProps(nextProps);
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this.fetchPosts();
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}
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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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<div class="row">
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<div class="col-12 col-md-8">
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{this.posts()}
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</div>
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<div class="col-12 col-md-4">
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{!this.state.loading &&
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<div>
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{this.trendingCommunities()}
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{UserService.Instance.user && this.state.subscribedCommunities.length > 0 &&
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<div>
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<h5>Subscribed communities</h5>
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<ul class="list-inline">
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{this.state.subscribedCommunities.map(community =>
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<li class="list-inline-item"><Link to={`/c/${community.community_name}`}>{community.community_name}</Link></li>
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)}
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</ul>
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</div>
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}
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{this.sidebar()}
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</div>
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}
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</div>
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</div>
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</div>
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)
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}
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trendingCommunities() {
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return (
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<div>
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<h5>Trending <Link class="text-white" to="/communities">communities</Link></h5>
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<ul class="list-inline">
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{this.state.trendingCommunities.map(community =>
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<li class="list-inline-item"><Link to={`/c/${community.name}`}>{community.name}</Link></li>
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)}
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</ul>
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</div>
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)
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}
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sidebar() {
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return (
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<div>
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{!this.state.showEditSite ?
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this.siteInfo() :
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<SiteForm
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site={this.state.site.site}
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onCancel={this.handleEditCancel}
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/>
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}
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{this.landing()}
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</div>
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)
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}
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updateUrl() {
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let typeStr = ListingType[this.state.type_].toLowerCase();
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let sortStr = SortType[this.state.sort].toLowerCase();
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this.props.history.push(`/home/type/${typeStr}/sort/${sortStr}/page/${this.state.page}`);
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}
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siteInfo() {
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return (
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<div>
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<h5 class="mb-0">{`${this.state.site.site.name}`}</h5>
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{this.canAdmin &&
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<ul class="list-inline mb-1 text-muted small font-weight-bold">
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<li className="list-inline-item">
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<span class="pointer" onClick={linkEvent(this, this.handleEditClick)}>edit</span>
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</li>
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</ul>
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}
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<ul class="my-2 list-inline">
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<li className="list-inline-item badge badge-light">{this.state.site.site.number_of_users} Users</li>
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<li className="list-inline-item badge badge-light">{this.state.site.site.number_of_posts} Posts</li>
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<li className="list-inline-item badge badge-light">{this.state.site.site.number_of_comments} Comments</li>
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<li className="list-inline-item"><Link className="badge badge-light" to="/modlog">Modlog</Link></li>
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</ul>
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<ul class="my-1 list-inline small">
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<li class="list-inline-item">admins: </li>
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{this.state.site.admins.map(admin =>
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<li class="list-inline-item"><Link class="text-info" to={`/u/${admin.name}`}>{admin.name}</Link></li>
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)}
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</ul>
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{this.state.site.site.description &&
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<div>
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<hr />
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<div className="md-div" dangerouslySetInnerHTML={mdToHtml(this.state.site.site.description)} />
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<hr />
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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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landing() {
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return (
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<div>
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<h5>Welcome to
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<svg class="icon mx-2"><use xlinkHref="#icon-mouse"></use></svg>
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<a href={repoUrl}>Lemmy<sup>Beta</sup></a>
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</h5>
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<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>
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<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>
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<p>This is a <b>very early beta version</b>, and a lot of features are currently broken or missing.</p>
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<p>Suggest new features or report bugs <a href={repoUrl}>here.</a></p>
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<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>
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</div>
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)
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}
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posts() {
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return (
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<div>
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{this.state.loading ?
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<h5><svg class="icon icon-spinner spin"><use xlinkHref="#icon-spinner"></use></svg></h5> :
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<div>
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{this.selects()}
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<PostListings posts={this.state.posts} showCommunity />
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{this.paginator()}
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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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selects() {
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return (
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<div className="mb-2">
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<select value={this.state.sort} onChange={linkEvent(this, this.handleSortChange)} class="custom-select w-auto">
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<option disabled>Sort Type</option>
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<option value={SortType.Hot}>Hot</option>
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<option value={SortType.New}>New</option>
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<option disabled>──────────</option>
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<option value={SortType.TopDay}>Top Day</option>
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<option value={SortType.TopWeek}>Week</option>
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<option value={SortType.TopMonth}>Month</option>
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<option value={SortType.TopYear}>Year</option>
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<option value={SortType.TopAll}>All</option>
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</select>
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{ UserService.Instance.user &&
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<select value={this.state.type_} onChange={linkEvent(this, this.handleTypeChange)} class="ml-2 custom-select w-auto">
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<option disabled>Type</option>
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<option value={ListingType.All}>All</option>
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<option value={ListingType.Subscribed}>Subscribed</option>
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</select>
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}
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</div>
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)
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}
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paginator() {
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return (
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<div class="mt-2">
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{this.state.page > 1 &&
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<button class="btn btn-sm btn-secondary mr-1" onClick={linkEvent(this, this.prevPage)}>Prev</button>
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}
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<button class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.nextPage)}>Next</button>
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</div>
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);
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}
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get canAdmin(): boolean {
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return UserService.Instance.user && this.state.site.admins.map(a => a.id).includes(UserService.Instance.user.id);
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}
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handleEditClick(i: Main) {
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i.state.showEditSite = true;
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i.setState(i.state);
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}
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handleEditCancel() {
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this.state.showEditSite = false;
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this.setState(this.state);
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}
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nextPage(i: Main) {
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i.state.page++;
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i.setState(i.state);
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i.updateUrl();
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i.fetchPosts();
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}
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prevPage(i: Main) {
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i.state.page--;
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i.setState(i.state);
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i.updateUrl();
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i.fetchPosts();
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}
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handleSortChange(i: Main, event: any) {
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i.state.sort = Number(event.target.value);
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i.state.page = 1;
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i.setState(i.state);
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i.updateUrl();
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i.fetchPosts();
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}
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handleTypeChange(i: Main, event: any) {
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i.state.type_ = Number(event.target.value);
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i.state.page = 1;
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i.setState(i.state);
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i.updateUrl();
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i.fetchPosts();
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}
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fetchPosts() {
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let getPostsForm: GetPostsForm = {
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page: this.state.page,
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limit: fetchLimit,
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sort: SortType[this.state.sort],
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type_: ListingType[this.state.type_]
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}
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WebSocketService.Instance.getPosts(getPostsForm);
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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.GetFollowedCommunities) {
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let res: GetFollowedCommunitiesResponse = msg;
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this.state.subscribedCommunities = res.communities;
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this.setState(this.state);
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} else if (op == UserOperation.ListCommunities) {
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let res: ListCommunitiesResponse = msg;
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this.state.trendingCommunities = res.communities;
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this.setState(this.state);
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} else if (op == UserOperation.GetSite) {
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let res: GetSiteResponse = msg;
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// This means it hasn't been set up yet
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if (!res.site) {
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this.context.router.history.push("/setup");
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}
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this.state.site.admins = res.admins;
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this.state.site.site = res.site;
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this.state.site.banned = res.banned;
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this.setState(this.state);
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} else if (op == UserOperation.EditSite) {
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let res: SiteResponse = msg;
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this.state.site.site = res.site;
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this.state.showEditSite = false;
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this.setState(this.state);
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} else if (op == UserOperation.GetPosts) {
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let res: GetPostsResponse = msg;
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this.state.posts = res.posts;
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this.state.loading = false;
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this.setState(this.state);
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} else if (op == UserOperation.CreatePostLike) {
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let res: CreatePostLikeResponse = msg;
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let found = this.state.posts.find(c => c.id == res.post.id);
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found.my_vote = res.post.my_vote;
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found.score = res.post.score;
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found.upvotes = res.post.upvotes;
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found.downvotes = res.post.downvotes;
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this.setState(this.state);
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}
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}
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}
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