366 lines
12 KiB
TypeScript
366 lines
12 KiB
TypeScript
import { Component, linkEvent } from 'inferno';
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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, Post as PostI, GetPostResponse, PostResponse, Comment, CommentForm as CommentFormI, CommentResponse, CommentSortType, CreatePostLikeResponse, CommunityUser, CommunityResponse, CommentNode as CommentNodeI, BanFromCommunityResponse, BanUserResponse, AddModToCommunityResponse, AddAdminResponse, UserView, SearchType, SortType, SearchForm, SearchResponse } from '../interfaces';
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import { WebSocketService, UserService } from '../services';
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import { msgOp, hotRank } from '../utils';
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import { PostListing } from './post-listing';
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import { PostListings } from './post-listings';
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import { Sidebar } from './sidebar';
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import { CommentForm } from './comment-form';
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import { CommentNodes } from './comment-nodes';
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import * as autosize from 'autosize';
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import { i18n } from '../i18next';
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import { T } from 'inferno-i18next';
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interface PostState {
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post: PostI;
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comments: Array<Comment>;
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commentSort: CommentSortType;
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community: Community;
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moderators: Array<CommunityUser>;
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admins: Array<UserView>;
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scrolled?: boolean;
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scrolled_comment_id?: number;
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loading: boolean;
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crossPosts: Array<PostI>;
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}
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export class Post extends Component<any, PostState> {
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private subscription: Subscription;
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private emptyState: PostState = {
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post: null,
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comments: [],
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commentSort: CommentSortType.Hot,
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community: null,
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moderators: [],
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admins: [],
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scrolled: false,
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loading: true,
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crossPosts: [],
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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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let postId = Number(this.props.match.params.id);
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if (this.props.match.params.comment_id) {
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this.state.scrolled_comment_id = this.props.match.params.comment_id;
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}
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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.getPost(postId);
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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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autosize(document.querySelectorAll('textarea'));
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}
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componentDidUpdate(_lastProps: any, lastState: PostState, _snapshot: any) {
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if (this.state.scrolled_comment_id && !this.state.scrolled && lastState.comments.length > 0) {
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var elmnt = document.getElementById(`comment-${this.state.scrolled_comment_id}`);
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elmnt.scrollIntoView();
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elmnt.classList.add("mark-two");
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this.state.scrolled = true;
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this.markScrolledAsRead(this.state.scrolled_comment_id);
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}
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}
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markScrolledAsRead(commentId: number) {
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let found = this.state.comments.find(c => c.id == commentId);
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let parent = this.state.comments.find(c => found.parent_id == c.id);
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let parent_user_id = parent ? parent.creator_id : this.state.post.creator_id;
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if (UserService.Instance.user && UserService.Instance.user.id == parent_user_id) {
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let form: CommentFormI = {
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content: found.content,
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edit_id: found.id,
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creator_id: found.creator_id,
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post_id: found.post_id,
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parent_id: found.parent_id,
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read: true,
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auth: null
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};
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WebSocketService.Instance.editComment(form);
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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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{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 class="row">
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<div class="col-12 col-md-8 col-lg-6 mb-3">
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<PostListing
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post={this.state.post}
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showBody
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showCommunity
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editable
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moderators={this.state.moderators}
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admins={this.state.admins}
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/>
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{this.state.crossPosts.length > 0 &&
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<>
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<div class="my-1 text-muted small font-weight-bold"><T i18nKey="cross_posts">#</T></div>
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<PostListings showCommunity posts={this.state.crossPosts} />
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</>
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}
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<div className="mb-2" />
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<CommentForm postId={this.state.post.id} disabled={this.state.post.locked} />
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{this.sortRadios()}
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{this.commentsTree()}
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</div>
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<div class="col-12 col-md-4 col-lg-3 mb-3 d-none d-md-block px-0">
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{this.state.comments.length > 0 && this.newComments()}
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</div>
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<div class="col-12 col-sm-12 col-lg-3">
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{this.sidebar()}
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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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sortRadios() {
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return (
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<div class="btn-group btn-group-toggle mb-3">
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<label className={`btn btn-sm btn-secondary pointer ${this.state.commentSort === CommentSortType.Hot && 'active'}`}>{i18n.t('hot')}
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<input type="radio" value={CommentSortType.Hot}
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checked={this.state.commentSort === CommentSortType.Hot}
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onChange={linkEvent(this, this.handleCommentSortChange)} />
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</label>
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<label className={`btn btn-sm btn-secondary pointer ${this.state.commentSort === CommentSortType.Top && 'active'}`}>{i18n.t('top')}
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<input type="radio" value={CommentSortType.Top}
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checked={this.state.commentSort === CommentSortType.Top}
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onChange={linkEvent(this, this.handleCommentSortChange)} />
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</label>
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<label className={`btn btn-sm btn-secondary pointer ${this.state.commentSort === CommentSortType.New && 'active'}`}>{i18n.t('new')}
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<input type="radio" value={CommentSortType.New}
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checked={this.state.commentSort === CommentSortType.New}
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onChange={linkEvent(this, this.handleCommentSortChange)} />
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</label>
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</div>
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)
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}
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newComments() {
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return (
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<div class="container-fluid sticky-top new-comments">
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<h5><T i18nKey="chat">#</T></h5>
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<CommentForm postId={this.state.post.id} disabled={this.state.post.locked} />
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{this.state.comments.map(comment =>
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<CommentNodes
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nodes={[{comment: comment}]}
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noIndent
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locked={this.state.post.locked}
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moderators={this.state.moderators}
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admins={this.state.admins}
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/>
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)}
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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 class="">
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<Sidebar
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community={this.state.community}
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moderators={this.state.moderators}
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admins={this.state.admins}
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/>
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</div>
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);
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}
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handleCommentSortChange(i: Post, event: any) {
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i.state.commentSort = Number(event.target.value);
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i.setState(i.state);
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}
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private buildCommentsTree(): Array<CommentNodeI> {
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let map = new Map<number, CommentNodeI>();
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for (let comment of this.state.comments) {
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let node: CommentNodeI = {
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comment: comment,
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children: []
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};
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map.set(comment.id, { ...node });
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}
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let tree: Array<CommentNodeI> = [];
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for (let comment of this.state.comments) {
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if( comment.parent_id ) {
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map.get(comment.parent_id).children.push(map.get(comment.id));
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}
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else {
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tree.push(map.get(comment.id));
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}
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}
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this.sortTree(tree);
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return tree;
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}
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sortTree(tree: Array<CommentNodeI>) {
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if (this.state.commentSort == CommentSortType.Top) {
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tree.sort((a, b) => b.comment.score - a.comment.score);
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} else if (this.state.commentSort == CommentSortType.New) {
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tree.sort((a, b) => b.comment.published.localeCompare(a.comment.published));
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} else if (this.state.commentSort == CommentSortType.Hot) {
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tree.sort((a, b) => hotRank(b.comment) - hotRank(a.comment));
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}
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for (let node of tree) {
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this.sortTree(node.children);
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}
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}
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commentsTree() {
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let nodes = this.buildCommentsTree();
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return (
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<div>
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<CommentNodes
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nodes={nodes}
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locked={this.state.post.locked}
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moderators={this.state.moderators}
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admins={this.state.admins}
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/>
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</div>
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);
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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(i18n.t(msg.error));
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return;
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} else if (op == UserOperation.GetPost) {
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let res: GetPostResponse = msg;
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this.state.post = res.post;
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this.state.post = res.post;
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this.state.comments = res.comments;
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this.state.community = res.community;
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this.state.moderators = res.moderators;
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this.state.admins = res.admins;
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this.state.loading = false;
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document.title = `${this.state.post.name} - ${WebSocketService.Instance.site.name}`;
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// Get cross-posts
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let form: SearchForm = {
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q: res.post.url,
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type_: SearchType[SearchType.Url],
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sort: SortType[SortType.TopAll],
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page: 1,
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limit: 6,
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};
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WebSocketService.Instance.search(form);
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this.setState(this.state);
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} else if (op == UserOperation.CreateComment) {
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let res: CommentResponse = msg;
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this.state.comments.unshift(res.comment);
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this.setState(this.state);
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} else if (op == UserOperation.EditComment) {
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let res: CommentResponse = msg;
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let found = this.state.comments.find(c => c.id == res.comment.id);
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found.content = res.comment.content;
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found.updated = res.comment.updated;
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found.removed = res.comment.removed;
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found.deleted = res.comment.deleted;
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found.upvotes = res.comment.upvotes;
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found.downvotes = res.comment.downvotes;
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found.score = res.comment.score;
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found.read = res.comment.read;
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this.setState(this.state);
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} else if (op == UserOperation.SaveComment) {
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let res: CommentResponse = msg;
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let found = this.state.comments.find(c => c.id == res.comment.id);
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found.saved = res.comment.saved;
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this.setState(this.state);
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} else if (op == UserOperation.CreateCommentLike) {
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let res: CommentResponse = msg;
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let found: Comment = this.state.comments.find(c => c.id === res.comment.id);
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found.score = res.comment.score;
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found.upvotes = res.comment.upvotes;
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found.downvotes = res.comment.downvotes;
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if (res.comment.my_vote !== null)
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found.my_vote = res.comment.my_vote;
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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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this.state.post.my_vote = res.post.my_vote;
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this.state.post.score = res.post.score;
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this.state.post.upvotes = res.post.upvotes;
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this.state.post.downvotes = res.post.downvotes;
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this.setState(this.state);
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} else if (op == UserOperation.EditPost) {
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let res: PostResponse = msg;
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this.state.post = res.post;
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this.setState(this.state);
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} else if (op == UserOperation.SavePost) {
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let res: PostResponse = msg;
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this.state.post = res.post;
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this.setState(this.state);
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} else if (op == UserOperation.EditCommunity) {
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let res: CommunityResponse = msg;
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this.state.community = res.community;
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this.state.post.community_id = res.community.id;
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this.state.post.community_name = res.community.name;
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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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this.state.community.subscribed = res.community.subscribed;
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this.state.community.number_of_subscribers = res.community.number_of_subscribers;
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this.setState(this.state);
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} else if (op == UserOperation.BanFromCommunity) {
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let res: BanFromCommunityResponse = msg;
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this.state.comments.filter(c => c.creator_id == res.user.id)
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.forEach(c => c.banned_from_community = res.banned);
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this.setState(this.state);
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} else if (op == UserOperation.AddModToCommunity) {
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let res: AddModToCommunityResponse = msg;
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this.state.moderators = res.moderators;
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this.setState(this.state);
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} else if (op == UserOperation.BanUser) {
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let res: BanUserResponse = msg;
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this.state.comments.filter(c => c.creator_id == res.user.id)
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.forEach(c => c.banned = res.banned);
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this.setState(this.state);
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} else if (op == UserOperation.AddAdmin) {
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let res: AddAdminResponse = msg;
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this.state.admins = res.admins;
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this.setState(this.state);
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} else if (op == UserOperation.Search) {
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let res: SearchResponse = msg;
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this.state.crossPosts = res.posts.filter(p => p.id != this.state.post.id);
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this.setState(this.state);
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}
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}
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}
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