lemmy/ui/src/components/post-listing.tsx

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import { Component, linkEvent } from 'inferno';
import { Link } from 'inferno-router';
import { Subscription } from "rxjs";
import { retryWhen, delay, take } from 'rxjs/operators';
import { WebSocketService, UserService } from '../services';
import { Post, CreatePostLikeResponse, CreatePostLikeForm, PostForm as PostFormI } from '../interfaces';
import { MomentTime } from './moment-time';
import { PostForm } from './post-form';
import { mdToHtml } from '../utils';
interface PostListingState {
showEdit: boolean;
iframeExpanded: boolean;
}
interface PostListingProps {
post: Post;
editable?: boolean;
showCommunity?: boolean;
showBody?: boolean;
}
export class PostListing extends Component<PostListingProps, PostListingState> {
private emptyState: PostListingState = {
showEdit: false,
iframeExpanded: false
}
constructor(props, context) {
super(props, context);
this.state = this.emptyState;
this.handlePostLike = this.handlePostLike.bind(this);
this.handlePostDisLike = this.handlePostDisLike.bind(this);
this.handleEditPost = this.handleEditPost.bind(this);
}
render() {
return (
<div>
{!this.state.showEdit
? this.listing()
: <PostForm post={this.props.post} onEdit={this.handleEditPost} />
}
</div>
)
}
listing() {
let post = this.props.post;
return (
<div class="listing">
<div className="float-left small text-center">
<div className={`pointer upvote ${post.my_vote == 1 ? 'text-info' : 'text-muted'}`} onClick={linkEvent(this, this.handlePostLike)}></div>
<div>{post.score}</div>
<div className={`pointer downvote ${post.my_vote == -1 && 'text-danger'}`} onClick={linkEvent(this, this.handlePostDisLike)}></div>
</div>
<div className="ml-4">
{post.url
? <h4 className="mb-0">
<a className="text-white" href={post.url}>{post.name}</a>
<small><a className="ml-2 text-muted font-italic" href={post.url}>{(new URL(post.url)).hostname}</a></small>
{ !this.state.iframeExpanded
? <span class="pointer ml-2 text-muted small" title="Expand here" onClick={linkEvent(this, this.handleIframeExpandClick)}>+</span>
:
<span>
<span class="pointer ml-2 text-muted small" onClick={linkEvent(this, this.handleIframeExpandClick)}>-</span>
<div class="embed-responsive embed-responsive-1by1">
<iframe scrolling="yes" class="embed-responsive-item" src={post.url}></iframe>
</div>
</span>
}
</h4>
: <h4 className="mb-0"><Link className="text-white" to={`/post/${post.id}`}>{post.name}</Link></h4>
}
</div>
<div className="details ml-4 mb-1">
<ul class="list-inline mb-0 text-muted small">
<li className="list-inline-item">
<span>by </span>
<a href={post.creator_id.toString()}>{post.creator_name}</a>
{this.props.showCommunity &&
<span>
<span> to </span>
<Link to={`/community/${post.community_id}`}>{post.community_name}</Link>
</span>
}
</li>
<li className="list-inline-item">
<span><MomentTime data={post} /></span>
</li>
<li className="list-inline-item">
<span>(
<span className="text-info">+{post.upvotes}</span>
<span> | </span>
<span className="text-danger">-{post.downvotes}</span>
<span>) </span>
</span>
</li>
<li className="list-inline-item">
<Link to={`/post/${post.id}`}>{post.number_of_comments} Comments</Link>
</li>
</ul>
{this.myPost &&
<ul class="list-inline mb-1 text-muted small font-weight-bold">
<li className="list-inline-item">
<span class="pointer" onClick={linkEvent(this, this.handleEditClick)}>edit</span>
</li>
<li className="list-inline-item">
<span class="pointer" onClick={linkEvent(this, this.handleDeleteClick)}>delete</span>
</li>
</ul>
}
{this.props.showBody && this.props.post.body && <div className="md-div" dangerouslySetInnerHTML={mdToHtml(post.body)} />}
</div>
</div>
)
}
private get myPost(): boolean {
return this.props.editable && UserService.Instance.loggedIn && this.props.post.creator_id == UserService.Instance.user.id;
}
handlePostLike(i: PostListing, event) {
let form: CreatePostLikeForm = {
post_id: i.props.post.id,
score: (i.props.post.my_vote == 1) ? 0 : 1
};
WebSocketService.Instance.likePost(form);
}
handlePostDisLike(i: PostListing, event) {
let form: CreatePostLikeForm = {
post_id: i.props.post.id,
score: (i.props.post.my_vote == -1) ? 0 : -1
};
WebSocketService.Instance.likePost(form);
}
handleEditClick(i: PostListing, event) {
i.state.showEdit = true;
i.setState(i.state);
}
// The actual editing is done in the recieve for post
handleEditPost(post: Post) {
this.state.showEdit = false;
this.setState(this.state);
}
handleDeleteClick(i: PostListing, event) {
let deleteForm: PostFormI = {
body: '',
community_id: i.props.post.community_id,
name: "deleted",
url: '',
edit_id: i.props.post.id,
auth: null
};
WebSocketService.Instance.editPost(deleteForm);
}
handleIframeExpandClick(i: PostListing, event) {
i.state.iframeExpanded = !i.state.iframeExpanded;
i.setState(i.state);
}
}