import { Component, linkEvent } from 'inferno'; import { Helmet } from 'inferno-helmet'; import { Subscription } from 'rxjs'; import { retryWhen, delay, take } from 'rxjs/operators'; import { DataType } from '../interfaces'; import { UserOperation, Community as CommunityI, GetCommunityResponse, CommunityResponse, CommunityUser, UserView, SortType, Post, GetPostsForm, GetCommunityForm, ListingType, GetPostsResponse, PostResponse, AddModToCommunityResponse, BanFromCommunityResponse, Comment, GetCommentsForm, GetCommentsResponse, CommentResponse, WebSocketJsonResponse, GetSiteResponse, Site, } from 'lemmy-js-client'; import { WebSocketService } from '../services'; import { PostListings } from './post-listings'; import { CommentNodes } from './comment-nodes'; import { SortSelect } from './sort-select'; import { DataTypeSelect } from './data-type-select'; import { Sidebar } from './sidebar'; import { CommunityLink } from './community-link'; import { BannerIconHeader } from './banner-icon-header'; import { wsJsonToRes, fetchLimit, toast, getPageFromProps, getSortTypeFromProps, getDataTypeFromProps, editCommentRes, saveCommentRes, createCommentLikeRes, createPostLikeFindRes, editPostFindRes, commentsToFlatNodes, setupTippy, favIconUrl, notifyPost, } from '../utils'; import { i18n } from '../i18next'; interface State { community: CommunityI; communityId: number; communityName: string; moderators: CommunityUser[]; admins: UserView[]; online: number; loading: boolean; posts: Post[]; comments: Comment[]; dataType: DataType; sort: SortType; page: number; site: Site; } interface CommunityProps { dataType: DataType; sort: SortType; page: number; } interface UrlParams { dataType?: string; sort?: SortType; page?: number; } export class Community extends Component { private subscription: Subscription; private emptyState: State = { community: { id: null, name: null, title: null, category_id: null, category_name: null, creator_id: null, creator_name: null, number_of_subscribers: null, number_of_posts: null, number_of_comments: null, published: null, removed: null, nsfw: false, deleted: null, local: null, actor_id: null, last_refreshed_at: null, creator_actor_id: null, creator_local: null, }, moderators: [], admins: [], communityId: Number(this.props.match.params.id), communityName: this.props.match.params.name, online: null, loading: true, posts: [], comments: [], dataType: getDataTypeFromProps(this.props), sort: getSortTypeFromProps(this.props), page: getPageFromProps(this.props), site: { id: undefined, name: undefined, creator_id: undefined, published: undefined, creator_name: undefined, number_of_users: undefined, number_of_posts: undefined, number_of_comments: undefined, number_of_communities: undefined, enable_downvotes: undefined, open_registration: undefined, enable_nsfw: undefined, icon: undefined, banner: undefined, creator_preferred_username: undefined, }, }; constructor(props: any, context: any) { super(props, context); this.state = this.emptyState; this.handleSortChange = this.handleSortChange.bind(this); this.handleDataTypeChange = this.handleDataTypeChange.bind(this); 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') ); let form: GetCommunityForm = { id: this.state.communityId ? this.state.communityId : null, name: this.state.communityName ? this.state.communityName : null, }; WebSocketService.Instance.getCommunity(form); WebSocketService.Instance.getSite(); } componentWillUnmount() { this.subscription.unsubscribe(); } static getDerivedStateFromProps(props: any): CommunityProps { return { dataType: getDataTypeFromProps(props), sort: getSortTypeFromProps(props), page: getPageFromProps(props), }; } componentDidUpdate(_: any, lastState: State) { if ( lastState.dataType !== this.state.dataType || lastState.sort !== this.state.sort || lastState.page !== this.state.page ) { this.setState({ loading: true }); this.fetchData(); } } get documentTitle(): string { if (this.state.community.title) { return `${this.state.community.title} - ${this.state.site.name}`; } else { return 'Lemmy'; } } get favIcon(): string { return this.state.site.icon ? this.state.site.icon : favIconUrl; } render() { return (
{this.state.loading ? (
) : (
{this.communityInfo()} {this.selects()} {this.listings()} {this.paginator()}
)}
); } listings() { return this.state.dataType == DataType.Post ? ( ) : ( ); } communityInfo() { return (
{this.state.community.title}

); } selects() { return ( ); } paginator() { return (
{this.state.page > 1 && ( )} {this.state.posts.length > 0 && ( )}
); } nextPage(i: Community) { i.updateUrl({ page: i.state.page + 1 }); window.scrollTo(0, 0); } prevPage(i: Community) { i.updateUrl({ page: i.state.page - 1 }); window.scrollTo(0, 0); } handleSortChange(val: SortType) { this.updateUrl({ sort: val, page: 1 }); window.scrollTo(0, 0); } handleDataTypeChange(val: DataType) { this.updateUrl({ dataType: DataType[val], page: 1 }); window.scrollTo(0, 0); } updateUrl(paramUpdates: UrlParams) { const dataTypeStr = paramUpdates.dataType || DataType[this.state.dataType]; const sortStr = paramUpdates.sort || this.state.sort; const page = paramUpdates.page || this.state.page; this.props.history.push( `/c/${this.state.community.name}/data_type/${dataTypeStr}/sort/${sortStr}/page/${page}` ); } fetchData() { if (this.state.dataType == DataType.Post) { let getPostsForm: GetPostsForm = { page: this.state.page, limit: fetchLimit, sort: this.state.sort, type_: ListingType.Community, community_id: this.state.community.id, }; WebSocketService.Instance.getPosts(getPostsForm); } else { let getCommentsForm: GetCommentsForm = { page: this.state.page, limit: fetchLimit, sort: this.state.sort, type_: ListingType.Community, community_id: this.state.community.id, }; WebSocketService.Instance.getComments(getCommentsForm); } } parseMessage(msg: WebSocketJsonResponse) { console.log(msg); let res = wsJsonToRes(msg); if (msg.error) { toast(i18n.t(msg.error), 'danger'); this.context.router.history.push('/'); return; } else if (msg.reconnect) { this.fetchData(); } else if (res.op == UserOperation.GetCommunity) { let data = res.data as GetCommunityResponse; this.state.community = data.community; this.state.moderators = data.moderators; this.state.online = data.online; this.setState(this.state); this.fetchData(); } else if ( res.op == UserOperation.EditCommunity || res.op == UserOperation.DeleteCommunity || res.op == UserOperation.RemoveCommunity ) { let data = res.data as CommunityResponse; this.state.community = data.community; this.setState(this.state); } else if (res.op == UserOperation.FollowCommunity) { let data = res.data as CommunityResponse; this.state.community.subscribed = data.community.subscribed; this.state.community.number_of_subscribers = data.community.number_of_subscribers; this.setState(this.state); } else if (res.op == UserOperation.GetPosts) { let data = res.data as GetPostsResponse; this.state.posts = data.posts; this.state.loading = false; this.setState(this.state); setupTippy(); } else if ( res.op == UserOperation.EditPost || res.op == UserOperation.DeletePost || res.op == UserOperation.RemovePost || res.op == UserOperation.LockPost || res.op == UserOperation.StickyPost ) { let data = res.data as PostResponse; editPostFindRes(data, this.state.posts); this.setState(this.state); } else if (res.op == UserOperation.CreatePost) { let data = res.data as PostResponse; this.state.posts.unshift(data.post); notifyPost(data.post, this.context.router); this.setState(this.state); } else if (res.op == UserOperation.CreatePostLike) { let data = res.data as PostResponse; createPostLikeFindRes(data, this.state.posts); this.setState(this.state); } else if (res.op == UserOperation.AddModToCommunity) { let data = res.data as AddModToCommunityResponse; this.state.moderators = data.moderators; this.setState(this.state); } else if (res.op == UserOperation.BanFromCommunity) { let data = res.data as BanFromCommunityResponse; this.state.posts .filter(p => p.creator_id == data.user.id) .forEach(p => (p.banned = data.banned)); this.setState(this.state); } else if (res.op == UserOperation.GetComments) { let data = res.data as GetCommentsResponse; this.state.comments = data.comments; this.state.loading = false; this.setState(this.state); } else if ( res.op == UserOperation.EditComment || res.op == UserOperation.DeleteComment || res.op == UserOperation.RemoveComment ) { let data = res.data as CommentResponse; editCommentRes(data, this.state.comments); this.setState(this.state); } else if (res.op == UserOperation.CreateComment) { let data = res.data as CommentResponse; // Necessary since it might be a user reply if (data.recipient_ids.length == 0) { this.state.comments.unshift(data.comment); this.setState(this.state); } } else if (res.op == UserOperation.SaveComment) { let data = res.data as CommentResponse; saveCommentRes(data, this.state.comments); this.setState(this.state); } else if (res.op == UserOperation.CreateCommentLike) { let data = res.data as CommentResponse; createCommentLikeRes(data, this.state.comments); this.setState(this.state); } else if (res.op == UserOperation.GetSite) { let data = res.data as GetSiteResponse; this.state.site = data.site; this.state.admins = data.admins; this.setState(this.state); } } }