import { Component, linkEvent } from 'inferno'; import { Subscription } from 'rxjs'; import { retryWhen, delay, take } from 'rxjs/operators'; import { UserOperation, Community, Post as PostI, GetPostResponse, PostResponse, Comment, CommentForm as CommentFormI, CommentResponse, CommentSortType, CommunityUser, CommunityResponse, CommentNode as CommentNodeI, BanFromCommunityResponse, BanUserResponse, AddModToCommunityResponse, AddAdminResponse, UserView, SearchType, SortType, SearchForm, GetPostForm, SearchResponse, GetSiteResponse, GetCommunityResponse, WebSocketJsonResponse, } from '../interfaces'; import { WebSocketService, UserService } from '../services'; import { wsJsonToRes, hotRank, toast } from '../utils'; import { PostListing } from './post-listing'; import { PostListings } from './post-listings'; import { Sidebar } from './sidebar'; import { CommentForm } from './comment-form'; import { CommentNodes } from './comment-nodes'; import autosize from 'autosize'; import { i18n } from '../i18next'; interface PostState { post: PostI; comments: Array; commentSort: CommentSortType; community: Community; moderators: Array; admins: Array; online: number; scrolled?: boolean; scrolled_comment_id?: number; loading: boolean; crossPosts: Array; } export class Post extends Component { private subscription: Subscription; private emptyState: PostState = { post: null, comments: [], commentSort: CommentSortType.Hot, community: null, moderators: [], admins: [], online: null, scrolled: false, loading: true, crossPosts: [], }; constructor(props: any, context: any) { super(props, context); this.state = this.emptyState; let postId = Number(this.props.match.params.id); if (this.props.match.params.comment_id) { this.state.scrolled_comment_id = this.props.match.params.comment_id; } 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: GetPostForm = { id: postId, }; WebSocketService.Instance.getPost(form); } componentWillUnmount() { this.subscription.unsubscribe(); } componentDidMount() { autosize(document.querySelectorAll('textarea')); } componentDidUpdate(_lastProps: any, lastState: PostState, _snapshot: any) { if ( this.state.scrolled_comment_id && !this.state.scrolled && lastState.comments.length > 0 ) { var elmnt = document.getElementById( `comment-${this.state.scrolled_comment_id}` ); elmnt.scrollIntoView(); elmnt.classList.add('mark'); this.state.scrolled = true; this.markScrolledAsRead(this.state.scrolled_comment_id); } // Necessary if you are on a post and you click another post (same route) if (_lastProps.location.pathname !== _lastProps.history.location.pathname) { // Couldnt get a refresh working. This does for now. location.reload(); // let currentId = this.props.match.params.id; // WebSocketService.Instance.getPost(currentId); // this.context.router.history.push('/sponsors'); // this.context.refresh(); // this.context.router.history.push(_lastProps.location.pathname); } } markScrolledAsRead(commentId: number) { let found = this.state.comments.find(c => c.id == commentId); let parent = this.state.comments.find(c => found.parent_id == c.id); let parent_user_id = parent ? parent.creator_id : this.state.post.creator_id; if ( UserService.Instance.user && UserService.Instance.user.id == parent_user_id ) { let form: CommentFormI = { content: found.content, edit_id: found.id, creator_id: found.creator_id, post_id: found.post_id, parent_id: found.parent_id, read: true, auth: null, }; WebSocketService.Instance.editComment(form); } } render() { return (
{this.state.loading ? (
) : (
{this.state.crossPosts.length > 0 && ( <>
{i18n.t('cross_posts')}
)}
{this.state.comments.length > 0 && this.sortRadios()} {this.commentsTree()}
{this.state.comments.length > 0 && this.newComments()} {this.sidebar()}
)}
); } sortRadios() { return (
); } newComments() { return (
{i18n.t('recent_comments')}
{this.state.comments.map(comment => ( ))}
); } sidebar() { return (
); } handleCommentSortChange(i: Post, event: any) { i.state.commentSort = Number(event.target.value); i.setState(i.state); } private buildCommentsTree(): Array { let map = new Map(); for (let comment of this.state.comments) { let node: CommentNodeI = { comment: comment, children: [], }; map.set(comment.id, { ...node }); } let tree: Array = []; for (let comment of this.state.comments) { if (comment.parent_id) { map.get(comment.parent_id).children.push(map.get(comment.id)); } else { tree.push(map.get(comment.id)); } } this.sortTree(tree); return tree; } sortTree(tree: Array) { // First, put removed and deleted comments at the bottom, then do your other sorts if (this.state.commentSort == CommentSortType.Top) { tree.sort( (a, b) => +a.comment.removed - +b.comment.removed || +a.comment.deleted - +b.comment.deleted || b.comment.score - a.comment.score ); } else if (this.state.commentSort == CommentSortType.New) { tree.sort( (a, b) => +a.comment.removed - +b.comment.removed || +a.comment.deleted - +b.comment.deleted || b.comment.published.localeCompare(a.comment.published) ); } else if (this.state.commentSort == CommentSortType.Old) { tree.sort( (a, b) => +a.comment.removed - +b.comment.removed || +a.comment.deleted - +b.comment.deleted || a.comment.published.localeCompare(b.comment.published) ); } else if (this.state.commentSort == CommentSortType.Hot) { tree.sort( (a, b) => +a.comment.removed - +b.comment.removed || +a.comment.deleted - +b.comment.deleted || hotRank(b.comment) - hotRank(a.comment) ); } for (let node of tree) { this.sortTree(node.children); } } commentsTree() { let nodes = this.buildCommentsTree(); return (
); } parseMessage(msg: WebSocketJsonResponse) { console.log(msg); let res = wsJsonToRes(msg); if (msg.error) { toast(i18n.t(msg.error), 'danger'); return; } else if (msg.reconnect) { WebSocketService.Instance.getPost({ id: Number(this.props.match.params.id), }); } else if (res.op == UserOperation.GetPost) { let data = res.data as GetPostResponse; this.state.post = data.post; this.state.comments = data.comments; this.state.community = data.community; this.state.moderators = data.moderators; this.state.admins = data.admins; this.state.online = data.online; this.state.loading = false; document.title = `${this.state.post.name} - ${WebSocketService.Instance.site.name}`; // Get cross-posts if (this.state.post.url) { let form: SearchForm = { q: this.state.post.url, type_: SearchType[SearchType.Url], sort: SortType[SortType.TopAll], page: 1, limit: 6, }; WebSocketService.Instance.search(form); } 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.EditComment) { let data = res.data as CommentResponse; let found = this.state.comments.find(c => c.id == data.comment.id); found.content = data.comment.content; found.updated = data.comment.updated; found.removed = data.comment.removed; found.deleted = data.comment.deleted; found.upvotes = data.comment.upvotes; found.downvotes = data.comment.downvotes; found.score = data.comment.score; found.read = data.comment.read; this.setState(this.state); } else if (res.op == UserOperation.SaveComment) { let data = res.data as CommentResponse; let found = this.state.comments.find(c => c.id == data.comment.id); found.saved = data.comment.saved; this.setState(this.state); } else if (res.op == UserOperation.CreateCommentLike) { let data = res.data as CommentResponse; let found: Comment = this.state.comments.find( c => c.id === data.comment.id ); found.score = data.comment.score; found.upvotes = data.comment.upvotes; found.downvotes = data.comment.downvotes; if (data.comment.my_vote !== null) { found.my_vote = data.comment.my_vote; found.upvoteLoading = false; found.downvoteLoading = false; } this.setState(this.state); } else if (res.op == UserOperation.CreatePostLike) { let data = res.data as PostResponse; this.state.post.score = data.post.score; this.state.post.upvotes = data.post.upvotes; this.state.post.downvotes = data.post.downvotes; if (data.post.my_vote !== null) { this.state.post.my_vote = data.post.my_vote; this.state.post.upvoteLoading = false; this.state.post.downvoteLoading = false; } this.setState(this.state); } else if (res.op == UserOperation.EditPost) { let data = res.data as PostResponse; this.state.post = data.post; this.setState(this.state); } else if (res.op == UserOperation.SavePost) { let data = res.data as PostResponse; this.state.post = data.post; this.setState(this.state); } else if (res.op == UserOperation.EditCommunity) { let data = res.data as CommunityResponse; this.state.community = data.community; this.state.post.community_id = data.community.id; this.state.post.community_name = data.community.name; 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.BanFromCommunity) { let data = res.data as BanFromCommunityResponse; this.state.comments .filter(c => c.creator_id == data.user.id) .forEach(c => (c.banned_from_community = data.banned)); if (this.state.post.creator_id == data.user.id) { this.state.post.banned_from_community = data.banned; } 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.BanUser) { let data = res.data as BanUserResponse; this.state.comments .filter(c => c.creator_id == data.user.id) .forEach(c => (c.banned = data.banned)); if (this.state.post.creator_id == data.user.id) { this.state.post.banned = data.banned; } this.setState(this.state); } else if (res.op == UserOperation.AddAdmin) { let data = res.data as AddAdminResponse; this.state.admins = data.admins; this.setState(this.state); } else if (res.op == UserOperation.Search) { let data = res.data as SearchResponse; this.state.crossPosts = data.posts.filter( p => p.id != this.state.post.id ); this.setState(this.state); } else if (res.op == UserOperation.TransferSite) { let data = res.data as GetSiteResponse; this.state.admins = data.admins; this.setState(this.state); } else if (res.op == UserOperation.TransferCommunity) { let data = res.data as GetCommunityResponse; this.state.community = data.community; this.state.moderators = data.moderators; this.state.admins = data.admins; this.setState(this.state); } } }