import { Component } from 'inferno';
import { Link } from 'inferno-router';
-import { Post } from '../interfaces';
+import { Post, SortType } from 'lemmy-js-client';
+import { postSort } from '../utils';
import { PostListing } from './post-listing';
+import { i18n } from '../i18next';
import { T } from 'inferno-i18next';
interface PostListingsProps {
posts: Array<Post>;
showCommunity?: boolean;
+ removeDuplicates?: boolean;
+ sort?: SortType;
+ enableDownvotes: boolean;
+ enableNsfw: boolean;
}
export class PostListings extends Component<PostListingsProps, any> {
-
constructor(props: any, context: any) {
super(props, context);
}
render() {
return (
<div>
- {this.props.posts.length > 0 ? this.props.posts.map(post =>
- <>
- <PostListing post={post} showCommunity={this.props.showCommunity} />
- <hr class="d-md-none my-2" />
- <div class="d-none d-md-block my-2"></div>
- </>
- ) :
+ {this.props.posts.length > 0 ? (
+ this.outer().map(post => (
+ <>
+ <PostListing
+ post={post}
+ showCommunity={this.props.showCommunity}
+ enableDownvotes={this.props.enableDownvotes}
+ enableNsfw={this.props.enableNsfw}
+ />
+ <hr class="my-3" />
+ </>
+ ))
+ ) : (
<>
- <div><T i18nKey="no_posts">#</T></div>
- {this.props.showCommunity !== undefined && <div><T i18nKey="subscribe_to_communities">#<Link to="/communities">#</Link></T></div>}
+ <div>{i18n.t('no_posts')}</div>
+ {this.props.showCommunity !== undefined && (
+ <T i18nKey="subscribe_to_communities">
+ #<Link to="/communities">#</Link>
+ </T>
+ )}
</>
- }
+ )}
</div>
- )
+ );
+ }
+
+ outer(): Array<Post> {
+ let out = this.props.posts;
+ if (this.props.removeDuplicates) {
+ out = this.removeDuplicates(out);
+ }
+
+ if (this.props.sort !== undefined) {
+ postSort(out, this.props.sort, this.props.showCommunity == undefined);
+ }
+
+ return out;
+ }
+
+ removeDuplicates(posts: Array<Post>): Array<Post> {
+ // A map from post url to list of posts (dupes)
+ let urlMap = new Map<string, Array<Post>>();
+
+ // Loop over the posts, find ones with same urls
+ for (let post of posts) {
+ if (
+ post.url &&
+ !post.deleted &&
+ !post.removed &&
+ !post.community_deleted &&
+ !post.community_removed
+ ) {
+ if (!urlMap.get(post.url)) {
+ urlMap.set(post.url, [post]);
+ } else {
+ urlMap.get(post.url).push(post);
+ }
+ }
+ }
+
+ // Sort by oldest
+ // Remove the ones that have no length
+ for (let e of urlMap.entries()) {
+ if (e[1].length == 1) {
+ urlMap.delete(e[0]);
+ } else {
+ e[1].sort((a, b) => a.published.localeCompare(b.published));
+ }
+ }
+
+ for (let i = 0; i < posts.length; i++) {
+ let post = posts[i];
+ if (post.url) {
+ let found = urlMap.get(post.url);
+ if (found) {
+ // If its the oldest, add
+ if (post.id == found[0].id) {
+ post.duplicates = found.slice(1);
+ }
+ // Otherwise, delete it
+ else {
+ posts.splice(i--, 1);
+ }
+ }
+ }
+ }
+
+ return posts;
}
}