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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,
MarkCommentAsReadForm,
CommentResponse,
CommentSortType,
CommentViewType,
CommunityUser,
CommunityResponse,
CommentNode as CommentNodeI,
BanFromCommunityResponse,
BanUserResponse,
AddModToCommunityResponse,
AddAdminResponse,
SearchType,
SortType,
SearchForm,
GetPostForm,
SearchResponse,
GetSiteResponse,
GetCommunityResponse,
WebSocketJsonResponse,
} from '../interfaces';
import { WebSocketService, UserService } from '../services';
import {
wsJsonToRes,
toast,
editCommentRes,
saveCommentRes,
createCommentLikeRes,
createPostLikeRes,
commentsToFlatNodes,
setupTippy,
} from '../utils';
import { PostListing } from './post-listing';
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<Comment>;
commentSort: CommentSortType;
commentViewType: CommentViewType;
community: Community;
moderators: Array<CommunityUser>;
online: number;
scrolled?: boolean;
scrolled_comment_id?: number;
loading: boolean;
crossPosts: Array<PostI>;
siteRes: GetSiteResponse;
}
export class Post extends Component<any, PostState> {
private subscription: Subscription;
private emptyState: PostState = {
post: null,
comments: [],
commentSort: CommentSortType.Hot,
commentViewType: CommentViewType.Tree,
community: null,
moderators: [],
online: null,
scrolled: false,
loading: true,
crossPosts: [],
siteRes: {
admins: [],
banned: [],
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,
},
online: null,
version: null,
},
};
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);
WebSocketService.Instance.getSite();
}
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: MarkCommentAsReadForm = {
edit_id: found.id,
read: true,
auth: null,
};
WebSocketService.Instance.markCommentAsRead(form);
UserService.Instance.unreadCountSub.next(
UserService.Instance.unreadCountSub.value - 1
);
}
}
render() {
return (
<div class="container">
{this.state.loading ? (
<h5>
<svg class="icon icon-spinner spin">
<use xlinkHref="#icon-spinner"></use>
</svg>
</h5>
) : (
<div class="row">
<div class="col-12 col-md-8 mb-3">
<PostListing
post={this.state.post}
showBody
showCommunity
moderators={this.state.moderators}
admins={this.state.siteRes.admins}
enableDownvotes={this.state.siteRes.site.enable_downvotes}
enableNsfw={this.state.siteRes.site.enable_nsfw}
/>
<div className="mb-2" />
<CommentForm
postId={this.state.post.id}
disabled={this.state.post.locked}
/>
{this.state.comments.length > 0 && this.sortRadios()}
{this.state.commentViewType == CommentViewType.Tree &&
this.commentsTree()}
{this.state.commentViewType == CommentViewType.Chat &&
this.commentsFlat()}
</div>
<div class="col-12 col-sm-12 col-md-4">{this.sidebar()}</div>
</div>
)}
</div>
);
}
sortRadios() {
return (
<>
<div class="btn-group btn-group-toggle mr-3 mb-2">
<label
className={`btn btn-outline-secondary pointer ${
this.state.commentSort === CommentSortType.Hot && 'active'
}`}
>
{i18n.t('hot')}
<input
type="radio"
value={CommentSortType.Hot}
checked={this.state.commentSort === CommentSortType.Hot}
onChange={linkEvent(this, this.handleCommentSortChange)}
/>
</label>
<label
className={`btn btn-outline-secondary pointer ${
this.state.commentSort === CommentSortType.Top && 'active'
}`}
>
{i18n.t('top')}
<input
type="radio"
value={CommentSortType.Top}
checked={this.state.commentSort === CommentSortType.Top}
onChange={linkEvent(this, this.handleCommentSortChange)}
/>
</label>
<label
className={`btn btn-outline-secondary pointer ${
this.state.commentSort === CommentSortType.New && 'active'
}`}
>
{i18n.t('new')}
<input
type="radio"
value={CommentSortType.New}
checked={this.state.commentSort === CommentSortType.New}
onChange={linkEvent(this, this.handleCommentSortChange)}
/>
</label>
<label
className={`btn btn-outline-secondary pointer ${
this.state.commentSort === CommentSortType.Old && 'active'
}`}
>
{i18n.t('old')}
<input
type="radio"
value={CommentSortType.Old}
checked={this.state.commentSort === CommentSortType.Old}
onChange={linkEvent(this, this.handleCommentSortChange)}
/>
</label>
</div>
<div class="btn-group btn-group-toggle mb-2">
<label
className={`btn btn-outline-secondary pointer ${
this.state.commentViewType === CommentViewType.Chat && 'active'
}`}
>
{i18n.t('chat')}
<input
type="radio"
value={CommentViewType.Chat}
checked={this.state.commentViewType === CommentViewType.Chat}
onChange={linkEvent(this, this.handleCommentViewTypeChange)}
/>
</label>
</div>
</>
);
}
commentsFlat() {
return (
<div>
<CommentNodes
nodes={commentsToFlatNodes(this.state.comments)}
noIndent
locked={this.state.post.locked}
moderators={this.state.moderators}
admins={this.state.siteRes.admins}
postCreatorId={this.state.post.creator_id}
showContext
enableDownvotes={this.state.siteRes.site.enable_downvotes}
sort={this.state.commentSort}
/>
</div>
);
}
sidebar() {
return (
<div class="mb-3">
<Sidebar
community={this.state.community}
moderators={this.state.moderators}
admins={this.state.siteRes.admins}
online={this.state.online}
enableNsfw={this.state.siteRes.site.enable_nsfw}
/>
</div>
);
}
handleCommentSortChange(i: Post, event: any) {
i.state.commentSort = Number(event.target.value);
i.state.commentViewType = CommentViewType.Tree;
i.setState(i.state);
}
handleCommentViewTypeChange(i: Post, event: any) {
i.state.commentViewType = Number(event.target.value);
i.state.commentSort = CommentSortType.New;
i.setState(i.state);
}
buildCommentsTree(): Array<CommentNodeI> {
let map = new Map<number, CommentNodeI>();
for (let comment of this.state.comments) {
let node: CommentNodeI = {
comment: comment,
children: [],
};
map.set(comment.id, { ...node });
}
let tree: Array<CommentNodeI> = [];
for (let comment of this.state.comments) {
let child = map.get(comment.id);
if (comment.parent_id) {
let parent_ = map.get(comment.parent_id);
parent_.children.push(child);
} else {
tree.push(child);
}
this.setDepth(child);
}
return tree;
}
setDepth(node: CommentNodeI, i: number = 0): void {
for (let child of node.children) {
child.comment.depth = i;
this.setDepth(child, i + 1);
}
}
commentsTree() {
let nodes = this.buildCommentsTree();
return (
<div>
<CommentNodes
nodes={nodes}
locked={this.state.post.locked}
moderators={this.state.moderators}
admins={this.state.siteRes.admins}
postCreatorId={this.state.post.creator_id}
sort={this.state.commentSort}
enableDownvotes={this.state.siteRes.site.enable_downvotes}
/>
</div>
);
}
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.online = data.online;
this.state.loading = false;
document.title = `${this.state.post.name} - ${this.state.siteRes.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);
setupTippy();
} 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 ||
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.SaveComment) {
let data = res.data as CommentResponse;
saveCommentRes(data, this.state.comments);
this.setState(this.state);
setupTippy();
} 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.CreatePostLike) {
let data = res.data as PostResponse;
createPostLikeRes(data, this.state.post);
this.setState(this.state);
} 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;
this.state.post = data.post;
this.setState(this.state);
setupTippy();
} else if (res.op == UserOperation.SavePost) {
let data = res.data as PostResponse;
this.state.post = data.post;
this.setState(this.state);
setupTippy();
} 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.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.siteRes.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 != Number(this.props.match.params.id)
);
if (this.state.crossPosts.length) {
this.state.post.duplicates = this.state.crossPosts;
}
this.setState(this.state);
} else if (
res.op == UserOperation.TransferSite ||
res.op == UserOperation.GetSite
) {
let data = res.data as GetSiteResponse;
this.state.siteRes = data;
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.setState(this.state);
}
}
}