feat(home): add popular threads box

src/components/catalog-row/catalog-row.tsx

@@ -7,7 +7,7 @@ import useFetchGifFirstFrame from '../../hooks/use-fetch-gif-first-frame';
 import useCountLinksInReplies from '../../hooks/use-count-links-in-replies';
 import styles from './catalog-row.module.css';
 
-const CatalogPostMedia = ({ commentMediaInfo, link }: { commentMediaInfo: any; link: string }) => {
+export const CatalogPostMedia = ({ commentMediaInfo }: { commentMediaInfo: any }) => {
   const { patternThumbnailUrl, thumbnail, type, url } = commentMediaInfo || {};
   const iframeThumbnail = patternThumbnailUrl || thumbnail;
   const gifFrameUrl = useFetchGifFirstFrame(type === 'gif' ? url : undefined);
@@ -91,7 +91,7 @@ const CatalogPost = ({ openMenu, post, toggleMenu }: CatalogPostProps) => {
           <div className={styles.mediaPaddingWrapper}>
             {threadIcons}
             <div className={styles.mediaWrapper} style={thumbnailDimensions}>
-              <CatalogPostMedia commentMediaInfo={commentMediaInfo} link={link} />
+              <CatalogPostMedia commentMediaInfo={commentMediaInfo} />
             </div>
           </div>
         </Link>

src/components/catalog-row/index.ts

@@ -1 +1 @@
-export { default } from './catalog-row';
+export { default, CatalogPostMedia } from './catalog-row';

src/views/home/home.module.css

@@ -25,6 +25,11 @@
   padding-bottom: 0.5em;
 }
 
+.boardsBox {
+  height: 343px;
+  overflow: hidden;
+}
+
 .boxBar, .infoboxBar {
   padding-left: 0.5em;
   line-height: 2em;
@@ -167,6 +172,63 @@
   text-decoration: underline;
 }
 
+.popularThreads {
+  font-size: 93%;
+  padding: 0.5em;
+  padding-top: 0.25em;
+  padding-bottom: 0;
+  line-height: 130%;
+  text-align: center;
+}
+
+.popularThreads .loading {
+  text-align: left !important;
+}
+
+.popularThread {
+  vertical-align: top;
+  display: inline-block;
+  word-wrap: break-word;
+  overflow: hidden;
+  margin-top: 5px;
+  padding: 5px 0 3px;
+  position: relative;
+  width: 175px;
+  max-height: 320px;
+  margin-bottom: 10px;
+  color: #800;
+}
+
+.popularThread .title {
+  font-weight: 700;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: block;
+  white-space: nowrap;
+  margin-bottom: 5px;
+}
+
+.popularThread .mediaContainer {
+  width: auto;
+  height: auto;
+  border: 1px solid #800;
+  display: inline-block;
+  overflow: hidden;
+  position: relative;
+  line-height: 0;
+}
+
+.popularThread .mediaContainer img {
+  max-width: 150px;
+  max-height: 150px;
+}
+
+.popularThread .threadContent {
+  margin-bottom: 5px;
+  padding: 0 2px;
+  white-space: pre-line;
+}
+
 @media (max-width: 640px) {
   .content {
     min-width: 0;

src/views/home/home.tsx

@@ -1,10 +1,13 @@
-import { useRef } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import styles from './home.module.css';
 import { Link, useNavigate } from 'react-router-dom';
 import { Trans, useTranslation } from 'react-i18next';
-import { Subplebbit, useSubplebbits } from '@plebbit/plebbit-react-hooks';
+import { Comment, Subplebbit, useSubplebbits } from '@plebbit/plebbit-react-hooks';
 import packageJson from '../../../package.json';
-import { useDefaultSubplebbitAddresses } from '../../hooks/use-default-subplebbits';
+import useDefaultSubplebbits, { useDefaultSubplebbitAddresses } from '../../hooks/use-default-subplebbits';
+import { getCommentMediaInfo, getHasThumbnail } from '../../lib/utils/media-utils';
+import { CatalogPostMedia } from '../../components/catalog-row';
+import LoadingEllipsis from '../../components/loading-ellipsis';
 
 const isValidAddress = (address: string): boolean => {
   if (address.includes('/') || address.includes('\\') || address.includes(' ')) {
@@ -66,11 +69,11 @@ const InfoBox = () => {
   );
 };
 
-const Boards = ({ subplebbits }: { subplebbits: (Subplebbit | undefined)[] }) => {
+const Boards = ({ defaultSubplebbits }: { defaultSubplebbits: any }) => {
   const { t } = useTranslation();
 
   return (
-    <div className={styles.box}>
+    <div className={`${styles.box} ${styles.boardsBox}`}>
       <div className={styles.boxBar}>
         <h2 className={styles.capitalize}>{t('boards')}</h2>
         <span>{t('options')} ▼</span>
@@ -79,7 +82,7 @@ const Boards = ({ subplebbits }: { subplebbits: (Subplebbit | undefined)[] }) =>
         <div className={styles.column}>
           <h3>Default SFW</h3>
           <div className={styles.list}>
-            {subplebbits
+            {defaultSubplebbits
               .filter((subplebbit: Subplebbit | undefined): subplebbit is Subplebbit => subplebbit !== undefined)
               .map((subplebbit: Subplebbit) => {
                 const address = subplebbit.address;
@@ -105,15 +108,94 @@ const Boards = ({ subplebbits }: { subplebbits: (Subplebbit | undefined)[] }) =>
   );
 };
 
-const PopularThreads = () => {
+interface PopularThreadProps {
+  post: Comment;
+  boardTitle: string | undefined;
+  boardShortAddress: string;
+}
+
+const PopularThreadCard = ({ post, boardTitle, boardShortAddress }: PopularThreadProps) => {
+  const { cid, content, subplebbitAddress, title } = post || {};
+  const commentMediaInfo = getCommentMediaInfo(post);
+
+  return (
+    <div className={styles.popularThread} key={cid}>
+      <div className={styles.title}>{boardTitle || boardShortAddress}</div>
+      <div className={styles.mediaContainer}>
+        <Link to={`/p/${subplebbitAddress}/c/${cid}`}>
+          <CatalogPostMedia commentMediaInfo={commentMediaInfo} />
+        </Link>
+      </div>
+      <div className={styles.threadContent}>
+        {title && <b>{title}</b>}
+        {content && (content.length > 99 ? `: ${content.substring(0, 99)}...` : `: ${content}`)}
+      </div>
+    </div>
+  );
+};
+
+const PopularThreads = ({ subplebbits }: { subplebbits: any }) => {
   const { t } = useTranslation();
+  const [popularPosts, setPopularPosts] = useState([]);
+
+  useEffect(() => {
+    let subplebbitToPost: any = {};
+
+    subplebbits.forEach((subplebbit: any) => {
+      let mostRecentPost = null;
+
+      if (subplebbit?.posts?.pages?.hot?.comments) {
+        for (const comment of Object.values(subplebbit.posts.pages.hot.comments) as Comment[]) {
+          const { deleted, locked, pinned, removed, replyCount, timestamp } = comment;
+
+          const commentMediaInfo = getCommentMediaInfo(comment);
+          const isMediaShowed = getHasThumbnail(commentMediaInfo, comment.link);
+
+          if (
+            isMediaShowed &&
+            replyCount >= 2 &&
+            !removed &&
+            !deleted &&
+            !locked &&
+            !pinned && // criteria
+            timestamp > Date.now() / 1000 - 60 * 60 * 24 * 30 // 30 days
+          ) {
+            if (!mostRecentPost || comment.timestamp > mostRecentPost.timestamp) {
+              mostRecentPost = comment;
+            }
+          }
+
+          if (mostRecentPost) {
+            subplebbitToPost[subplebbit.address] = mostRecentPost;
+          }
+        }
+      }
+    });
+
+    const newPopularPosts: any = Object.values(subplebbitToPost)
+      .sort((a: any, b: any) => b.timestamp - a.timestamp)
+      .slice(0, 8);
+
+    setPopularPosts(newPopularPosts);
+  }, [subplebbits]);
+
   return (
     <div className={styles.box}>
       <div className={`${styles.boxBar} ${styles.color2ColorBar}`}>
         <h2 className={styles.capitalize}>{t('popular_threads')}</h2>
         <span>{t('options')} ▼</span>
       </div>
-      <div className={styles.boxContent}></div>
+      <div className={`${styles.boxContent} ${popularPosts.length === 8 ? styles.popularThreads : ''}`}>
+        {popularPosts.length < 8 ? (
+          <span className={styles.loading}>
+            <LoadingEllipsis string={t('loading')} />
+          </span>
+        ) : (
+          popularPosts.map((post: any) => (
+            <PopularThreadCard key={post.cid} post={post} boardTitle={post.subplebbitTitle || post.subplebbitAddress} boardShortAddress={post.subplebbitAddress} />
+          ))
+        )}
+      </div>
     </div>
   );
 };
@@ -219,6 +301,7 @@ const Footer = () => {
 };
 
 const Home = () => {
+  const defaultSubplebbits = useDefaultSubplebbits();
   const subplebbitAddresses = useDefaultSubplebbitAddresses();
   const { subplebbits } = useSubplebbits({ subplebbitAddresses });
 
@@ -231,8 +314,8 @@ const Home = () => {
       </Link>
       <SearchBar />
       <InfoBox />
-      <Boards subplebbits={subplebbits} />
+      <Boards defaultSubplebbits={defaultSubplebbits} />
-      <PopularThreads />
+      <PopularThreads subplebbits={subplebbits} />
       <Stats />
       <Footer />
     </div>