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