feat(short posts): add recent posts with image preview

src/components/ProfileSection.tsx

@@ -1,7 +1,7 @@
 import { FALLBACK_PROFILE_IMAGE } from 'constants.ts'
 import { Event, Filter, kinds, nip19, UnsignedEvent } from 'nostr-tools'
 import { QRCodeSVG } from 'qrcode.react'
-import { Fragment, useMemo, useState } from 'react'
+import { Fragment, useEffect, useMemo, useState } from 'react'
 import { Link } from 'react-router-dom'
 import { toast } from 'react-toastify'
 import {
@@ -10,7 +10,7 @@ import {
   useDidMount,
   useNDKContext
 } from '../hooks'
-import { appRoutes, getProfilePageRoute } from '../routes'
+import { appRoutes, getFeedNotePageRoute, getProfilePageRoute } from '../routes'
 import '../styles/author.css'
 import '../styles/innerPage.css'
 import '../styles/socialPosts.css'
@@ -18,6 +18,8 @@ import { UserRelaysType } from '../types'
 import {
   copyTextToClipboard,
   hexToNpub,
+  isValidImageUrl,
+  isValidUrl,
   log,
   LogType,
   now,
@@ -26,8 +28,12 @@ import {
 } from '../utils'
 import { LoadingSpinner } from './LoadingSpinner'
 import { ZapPopUp } from './Zap'
-import placeholder from '../assets/img/DEGMods Placeholder Img.png'
-import { NDKEvent, NDKSubscriptionCacheUsage } from '@nostr-dev-kit/ndk'
+import {
+  NDKEvent,
+  NDKFilter,
+  NDKKind,
+  NDKSubscriptionCacheUsage
+} from '@nostr-dev-kit/ndk'
 import { useProfile } from 'hooks/useProfile'
 import { createPortal } from 'react-dom'
 
@@ -36,12 +42,60 @@ type Props = {
 }
 
 export const ProfileSection = ({ pubkey }: Props) => {
+  const { ndk } = useNDKContext()
+  const profile = useProfile(pubkey, {
+    cacheUsage: NDKSubscriptionCacheUsage.PARALLEL
+  })
+  const displayName =
+    profile?.displayName || profile?.name || '[name not set up]'
+  const [posts, setPosts] = useState<Post[]>([])
+  useEffect(() => {
+    const filter: NDKFilter = {
+      authors: [pubkey],
+      kinds: [NDKKind.Text],
+      limit: 10
+    }
+    ndk
+      .fetchEvents(filter, {
+        closeOnEose: true,
+        cacheUsage: NDKSubscriptionCacheUsage.PARALLEL
+      })
+      .then((ndkEventSet) => {
+        const ndkEvents = Array.from(ndkEventSet)
+        const posts: Post[] = ndkEvents
+          .sort((a, b) => (b.created_at ?? 0) - (a.created_at ?? 0))
+          .map((ndkEvent) => ({
+            content: ndkEvent.content,
+            link: getFeedNotePageRoute(ndkEvent.encode()),
+            name: displayName
+          }))
+        posts.splice(5)
+        for (const post of posts) {
+          const imageUrls = post.content.match(
+            new RegExp(
+              /(?:https?:\/\/|www\.)(?:[a-zA-Z0-9.-]+\.[a-zA-Z]+(?::\d+)?)(?:[/?#][\p{L}\p{N}\p{M}&.-/?=#\-@%+_,:!~*]*)?/gu
+            )
+          )
+          if (imageUrls) {
+            for (const url of imageUrls) {
+              if (isValidUrl(url) && isValidImageUrl(url)) {
+                post.imageUrl = url
+                break
+              }
+            }
+          }
+        }
+        setPosts(posts)
+      })
+  }, [displayName, ndk, pubkey])
+
   return (
     <div className='IBMSMSplitMainSmallSide'>
       <div className='IBMSMSplitMainSmallSideSecWrapper'>
         <div className='IBMSMSplitMainSmallSideSec'>
           <Profile pubkey={pubkey} />
         </div>
+        {posts.length > 0 && (
           <div className='IBMSMSplitMainSmallSideSec'>
             <div className='IBMSMSMSSS_ShortPosts'>
               {posts.map((post, index) => (
@@ -85,6 +139,7 @@ export const ProfileSection = ({ pubkey }: Props) => {
               ))}
             </div>
           </div>
+        )}
       </div>
     </div>
   )
@@ -222,25 +277,6 @@ interface Post {
   imageUrl?: string
 }
 
-const posts: Post[] = [
-  {
-    name: 'User name',
-    link: `feed-note.html`,
-    content: `user text, this is a long string of temporary text that would be replaced with the user post from their short posts`
-  },
-  {
-    name: 'User name',
-    link: 'feed-note.html',
-    content: `user text, this is a long string of temporary text that would be replaced with the user post from their short posts`
-  },
-  {
-    name: 'User name',
-    link: `feed-note.html`,
-    content: `user text, this is a long string of temporary text that would be replaced with the user post from their short posts`,
-    imageUrl: placeholder
-  }
-]
-
 type QRButtonWithPopUpProps = {
   nprofile: string
 }