Redesign community section with social media feed UX; v1.2.6

- Twitter/X-style post cards: avatar thread line, author + relative timestamp
- Heart like button with optimistic toggle and like count per post
- Comment button with reply count; inline threaded replies always visible
- Compose card with user avatar, borderless textarea, pill Post button
- Horizontal scrollable lesson filter chips (All + per-lesson)
- New POST /api/study-community/posts/:postId/like endpoint (toggle)
- GET community posts now returns likedByMe + likeCount per post
- sanitizeStudyCommunityPosts preserves likedBy array on disk
- Relative timestamps (just now, Xm ago, Xh ago, Xd ago, then date)
- UserAvatar helper renders img or initials fallback consistently

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
nmemmertandClaude Sonnet 4.6 committed 2026-09-03 16:34:28 -04:00
1 parent 874dd0c89b
commit 49e3a80c2c
5 files changed
+259 -133

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+1 -1
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@@ -1,7 +1,7 @@
{
"name": "siteforge",
"private": true,
"version": "1.2.5",
"version": "1.2.6",
"type": "module",
"scripts": {
"dev": "vite",
+2
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@@ -1523,6 +1523,7 @@ export function sanitizeStudyCommunityPosts(value) {
? item.replies.map(sanitizeStudyCommunityReply).filter(Boolean).slice(0, 50)
: []
if (!studySlug || !message) return null
const likedBy = Array.isArray(item.likedBy) ? item.likedBy.filter(id => typeof id === 'string' && id.trim()).slice(0, 1000) : []
return {
id: typeof item.id === 'string' && item.id.trim() ? item.id.trim() : randomUUID(),
studySlug,
@@ -1532,6 +1533,7 @@ export function sanitizeStudyCommunityPosts(value) {
message,
createdAt: typeof item.createdAt === 'string' ? item.createdAt : new Date().toISOString(),
replies,
likedBy,
}
})
.filter(Boolean)
+22
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@@ -363,9 +363,12 @@ export function register(app) {
.slice(0, 50)
.map(post => {
const author = findStudyUserById(post.authorUserId)
const likedBy = Array.isArray(post.likedBy) ? post.likedBy : []
return {
...post,
authorAvatarUrl: getStudyAvatarUrl(author || post.authorName || ''),
likedByMe: likedBy.includes(user.id),
likeCount: likedBy.length,
replies: Array.isArray(post.replies)
? post.replies.map(reply => {
const replyAuthor = findStudyUserById(reply.authorUserId)
@@ -452,4 +455,23 @@ export function register(app) {
res.json({ ok: true, reply })
})
app.post('/api/study-community/posts/:postId/like', requireStudyAuth, (req, res) => {
const user = req.studyUser
const postId = typeof req.params.postId === 'string' ? req.params.postId.trim() : ''
const post = state.studyCommunityPosts.find(item => item.id === postId)
if (!post) { res.status(404).json({ message: 'Post not found.' }); return }
if (!isStudyUserEnrolled(user, post.studySlug)) {
res.status(403).json({ message: 'Please enroll in this study to like posts.' }); return
}
if (!Array.isArray(post.likedBy)) post.likedBy = []
const idx = post.likedBy.indexOf(user.id)
if (idx === -1) {
post.likedBy.push(user.id)
} else {
post.likedBy.splice(idx, 1)
}
queueStudyCommunityWrite()
res.json({ ok: true, likeCount: post.likedBy.length, likedByMe: post.likedBy.includes(user.id) })
})
}
+70
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@@ -12550,3 +12550,73 @@
.admin-save-ok { color: #6ebd7c; font-size: 0.85rem; margin: 0; }
.admin-save-error { color: #e05c5c; font-size: 0.85rem; margin: 0; }
.admin-field-hint { font-size: 0.78rem; color: var(--admin-muted, #a0957e); margin: 0; }
/* ── Community feed ──────────────────────────────────────────────────────── */
.community-feed { display: flex; flex-direction: column; gap: 0; }
.community-filter-bar { display: flex; gap: 0.4rem; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 0.25rem; margin-bottom: 1.25rem; scrollbar-width: none; }
.community-filter-bar::-webkit-scrollbar { display: none; }
.community-filter-chip { flex-shrink: 0; padding: 0.3rem 0.85rem; border-radius: 999px; border: 1px solid var(--brand-border, #2a2518); background: transparent; color: var(--brand-muted, #b0a48c); font-size: 0.82rem; font-weight: 500; cursor: pointer; white-space: nowrap; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.community-filter-chip:hover { background: rgba(201,168,76,0.08); color: var(--brand-gold, #c9a84c); border-color: var(--brand-gold, #c9a84c); }
.community-filter-chip--active { background: rgba(201,168,76,0.12); color: var(--brand-gold, #c9a84c); border-color: var(--brand-gold, #c9a84c); font-weight: 600; }
/* Avatar */
.community-avatar { border-radius: 50%; object-fit: cover; flex-shrink: 0; display: block; }
.community-avatar--initials { background: #2a2518; display: grid; place-items: center; color: var(--brand-warm-white, #f0ead8); font-weight: 700; font-family: var(--brand-font-body, sans-serif); line-height: 1; }
/* Compose card */
.community-compose-card { display: flex; gap: 0.85rem; padding: 1.1rem 1.25rem; background: var(--brand-card-bg, #11100d); border: 1px solid var(--brand-border, #2a2518); border-radius: 14px; margin-bottom: 1.25rem; }
.community-compose-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.community-compose-tag { display: flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: var(--brand-muted, #b0a48c); }
.community-compose-tag strong { color: var(--brand-gold, #c9a84c); }
.community-compose-tag-clear { background: none; border: none; color: var(--brand-muted, #b0a48c); cursor: pointer; font-size: 1rem; line-height: 1; padding: 0 0.1rem; }
.community-compose-textarea { width: 100%; padding: 0.7rem 0; background: transparent; border: none; border-bottom: 1px solid var(--brand-border, #2a2518); color: var(--brand-warm-white, #f0ead8); font-family: var(--brand-font-body, sans-serif); font-size: 0.975rem; resize: none; overflow: hidden; outline: none; box-sizing: border-box; transition: border-color 0.15s; }
.community-compose-textarea:focus { border-bottom-color: var(--brand-gold, #c9a84c); }
.community-compose-textarea::placeholder { color: var(--brand-muted, #b0a48c); }
.community-compose-footer { display: flex; justify-content: flex-end; }
.community-post-btn { font-size: 0.875rem; padding: 0.4rem 1.1rem; border-radius: 999px; }
/* Status */
.community-status-msg { color: var(--brand-muted, #b0a48c); font-size: 0.9rem; padding: 0.75rem 0; margin: 0; }
.community-status-msg--error { color: #e07060; }
/* Post list */
.community-posts-list { display: flex; flex-direction: column; }
/* Post card */
.community-post-card { display: flex; gap: 0.75rem; padding: 1rem 0; border-bottom: 1px solid var(--brand-border, #2a2518); opacity: 1; transition: opacity 300ms; }
.community-post-card--pending { opacity: 0.55; }
.community-post-card:last-child { border-bottom: none; }
.community-post-left { display: flex; flex-direction: column; align-items: center; gap: 0; padding-top: 0.15rem; }
.community-thread-line { flex: 1; width: 2px; background: var(--brand-border, #2a2518); margin-top: 0.35rem; border-radius: 1px; min-height: 1rem; }
.community-post-body { flex: 1; min-width: 0; }
.community-post-header { display: flex; align-items: baseline; gap: 0.55rem; flex-wrap: wrap; margin-bottom: 0.25rem; }
.community-post-author { font-weight: 700; font-size: 0.925rem; color: var(--brand-warm-white, #f0ead8); }
.community-post-time { font-size: 0.8rem; color: var(--brand-muted, #b0a48c); }
.community-lesson-chip { font-size: 0.73rem; font-weight: 500; padding: 0.15rem 0.55rem; border-radius: 999px; border: 1px solid var(--brand-border, #2a2518); background: transparent; color: var(--brand-muted, #b0a48c); cursor: pointer; transition: color 0.15s, border-color 0.15s; white-space: nowrap; }
.community-lesson-chip:hover { color: var(--brand-gold, #c9a84c); border-color: var(--brand-gold, #c9a84c); }
.community-post-text { font-size: 0.95rem; line-height: 1.6; color: var(--brand-warm-white, #f0ead8); white-space: pre-wrap; margin: 0 0 0.6rem; }
/* Engagement bar */
.community-engagement-bar { display: flex; align-items: center; gap: 0.15rem; margin-bottom: 0.25rem; }
.community-action-btn { display: flex; align-items: center; gap: 0.3rem; background: none; border: none; color: var(--brand-muted, #b0a48c); cursor: pointer; padding: 0.3rem 0.6rem; border-radius: 999px; font-size: 0.82rem; font-weight: 500; transition: color 0.15s, background 0.15s; line-height: 1; }
.community-action-btn:hover { color: var(--brand-gold, #c9a84c); background: rgba(201,168,76,0.08); }
.community-action-btn--liked .community-action-icon { fill: #e05c5c; color: #e05c5c; }
.community-action-btn--liked { color: #e05c5c; }
.community-action-btn--liked:hover { background: rgba(224,92,92,0.08); color: #e05c5c; }
.community-action-btn--active { color: var(--brand-gold, #c9a84c); }
.community-action-icon { width: 17px; height: 17px; fill: currentColor; flex-shrink: 0; }
/* Reply compose */
.community-reply-compose { display: flex; gap: 0.65rem; margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--brand-border, #2a2518); align-items: flex-start; }
/* Replies thread */
.community-replies { display: flex; flex-direction: column; gap: 0; margin-top: 0.5rem; padding-top: 0.5rem; }
.community-reply { display: flex; gap: 0.6rem; padding: 0.65rem 0; border-top: 1px solid color-mix(in srgb, var(--brand-border, #2a2518) 60%, transparent); }
.community-reply:first-child { border-top: none; }
.community-reply-body { flex: 1; min-width: 0; }
@media (max-width: 540px) {
.community-compose-card { padding: 0.9rem 1rem; }
.community-post-card { gap: 0.55rem; padding: 0.85rem 0; }
}
+164 -132
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@@ -91,6 +91,8 @@ type StudyCommunityPost = {
message: string
createdAt: string
replies: StudyCommunityReply[]
likeCount?: number
likedByMe?: boolean
pending?: boolean
}
@@ -228,10 +230,31 @@ function getDisplayName(auth: StudyAuthState) {
return auth.displayName?.trim() || auth.username.split('@')[0] || 'student'
}
function formatCommunityDate(value: string) {
function formatRelativeTime(value: string) {
const date = new Date(value)
if (Number.isNaN(date.getTime())) return ''
return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: 'numeric' })
const diffMs = Date.now() - date.getTime()
const diffSec = Math.floor(diffMs / 1000)
if (diffSec < 60) return 'just now'
const diffMin = Math.floor(diffSec / 60)
if (diffMin < 60) return `${diffMin}m ago`
const diffHr = Math.floor(diffMin / 60)
if (diffHr < 24) return `${diffHr}h ago`
const diffDay = Math.floor(diffHr / 24)
if (diffDay < 7) return `${diffDay}d ago`
return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric' })
}
function UserAvatar({ name, url, size = 36 }: { name?: string; url?: string; size?: number }) {
if (url) {
return <img src={url} alt={name || 'avatar'} width={size} height={size} className="community-avatar" />
}
const initial = (name || 'S').slice(0, 1).toUpperCase()
return (
<div className="community-avatar community-avatar--initials" style={{ width: size, height: size, fontSize: size * 0.4 }}>
{initial}
</div>
)
}
function CommunityBoard({
@@ -248,7 +271,6 @@ function CommunityBoard({
const [posts, setPosts] = useState<StudyCommunityPost[]>([])
const [loading, setLoading] = useState(true)
const [error, setError] = useState('')
const [message, setMessage] = useState('')
const [replyDrafts, setReplyDrafts] = useState<Record<string, string>>({})
const [replyingTo, setReplyingTo] = useState<string | null>(null)
const [submitting, setSubmitting] = useState(false)
@@ -265,40 +287,25 @@ function CommunityBoard({
useEffect(() => {
let cancelled = false
async function load() {
if (!canParticipate) {
setPosts([])
setLoading(false)
return
}
setLoading(true)
setError('')
if (!canParticipate) { setPosts([]); setLoading(false); return }
setLoading(true); setError('')
try {
const data = await readJson<{ posts?: StudyCommunityPost[] }>('/api/study-community?' + new URLSearchParams({ studySlug: study.slug }).toString())
if (cancelled) return
setPosts(Array.isArray(data.posts) ? data.posts : [])
if (!cancelled) setPosts(Array.isArray(data.posts) ? data.posts : [])
} catch (err) {
if (cancelled) return
setError(err instanceof Error ? err.message : 'Unable to load the community right now.')
if (!cancelled) setError(err instanceof Error ? err.message : 'Unable to load the community right now.')
} finally {
if (cancelled) return
setLoading(false)
if (!cancelled) setLoading(false)
}
}
void load()
return () => {
cancelled = true
}
return () => { cancelled = true }
}, [canParticipate, study.slug])
async function submitPost() {
if (!newPost.trim() || !canParticipate) return
setSubmitting(true)
setMessage('')
setError('')
setSubmitting(true); setError('')
const optimisticId = `pending-${Date.now()}`
const optimisticPost: StudyCommunityPost = {
id: optimisticId,
@@ -309,6 +316,8 @@ function CommunityBoard({
message: newPost,
createdAt: new Date().toISOString(),
replies: [],
likeCount: 0,
likedByMe: false,
pending: true,
}
setPosts(prev => [optimisticPost, ...prev])
@@ -321,9 +330,8 @@ function CommunityBoard({
body: JSON.stringify({ studySlug: study.slug, sectionId: activeSection, message: postedMessage }),
})
setPosts(prev => data.post
? prev.map(p => p.id === optimisticId ? { ...data.post!, pending: false } : p)
? prev.map(p => p.id === optimisticId ? { ...data.post!, likeCount: 0, likedByMe: false, pending: false } : p)
: prev.filter(p => p.id !== optimisticId))
setMessage('')
} catch (err) {
setPosts(prev => prev.filter(p => p.id !== optimisticId))
setNewPost(postedMessage)
@@ -336,8 +344,7 @@ function CommunityBoard({
async function submitReply(postId: string) {
const reply = replyDrafts[postId]?.trim()
if (!reply || !canParticipate) return
setSubmitting(true)
setError('')
setSubmitting(true); setError('')
try {
const data = await readJson<{ reply?: StudyCommunityReply }>(`/api/study-community/posts/${encodeURIComponent(postId)}/replies`, {
method: 'POST',
@@ -349,7 +356,6 @@ function CommunityBoard({
}
setReplyDrafts(prev => ({ ...prev, [postId]: '' }))
setReplyingTo(null)
setMessage('Reply posted.')
} catch (err) {
setError(err instanceof Error ? err.message : 'Unable to post your reply.')
} finally {
@@ -357,34 +363,41 @@ function CommunityBoard({
}
}
async function toggleLike(postId: string) {
if (!canParticipate) return
setPosts(prev => prev.map(p => p.id === postId
? { ...p, likedByMe: !p.likedByMe, likeCount: (p.likeCount ?? 0) + (p.likedByMe ? -1 : 1) }
: p))
try {
await readJson(`/api/study-community/posts/${encodeURIComponent(postId)}/like`, {
method: 'POST',
})
} catch {
setPosts(prev => prev.map(p => p.id === postId
? { ...p, likedByMe: !p.likedByMe, likeCount: (p.likeCount ?? 0) + (p.likedByMe ? -1 : 1) }
: p))
}
}
return (
<div className="study-community-board">
<div className="community-feed">
{/* Section filter tabs */}
{releasedSections.length > 1 && canParticipate && (
<div style={{ display: 'flex', gap: '0.5rem', flexWrap: 'wrap', marginBottom: '1rem' }}>
<button
type="button"
className={`qa-topic-btn${activeSection === '' ? ' qa-topic-btn--active' : ''}`}
onClick={() => setActiveSection('')}
>All lessons</button>
<div className="community-filter-bar">
<button type="button" className={`community-filter-chip${activeSection === '' ? ' community-filter-chip--active' : ''}`} onClick={() => setActiveSection('')}>All</button>
{releasedSections.map(s => (
<button
key={s.id}
type="button"
className={`qa-topic-btn${activeSection === s.id ? ' qa-topic-btn--active' : ''}`}
onClick={() => setActiveSection(s.id)}
>{s.title}</button>
<button key={s.id} type="button" className={`community-filter-chip${activeSection === s.id ? ' community-filter-chip--active' : ''}`} onClick={() => setActiveSection(s.id)}>{s.title}</button>
))}
</div>
)}
{!auth.checked && <p className="study-note-status">Checking your account status...</p>}
{!auth.checked && <p className="community-status-msg">Checking your account status...</p>}
{auth.checked && !auth.authenticated && (
<div className="study-auth-box">
<p className="study-auth-why">Sign in to join the study community.</p>
<div className="study-auth-actions">
<Link to="/study/signup" className="btn-primary">Create Account</Link>
<Link to="/study/account" className="btn-secondary">My Account</Link>
<Link to="/study/account" className="btn-secondary">Sign In</Link>
</div>
</div>
)}
@@ -398,112 +411,131 @@ function CommunityBoard({
)}
{canParticipate && (
<div style={{ marginBottom: '1.5rem' }}>
<div className="community-compose-card">
<UserAvatar name={communityDisplayName} url={auth.avatarUrl || undefined} size={40} />
<div className="community-compose-body">
{activeSection && (
<p style={{ fontSize: '0.875rem', color: '#7a7060', marginBottom: '0.5rem' }}>
Posting to: <strong style={{ color: '#e0c070' }}>{releasedSections.find(s => s.id === activeSection)?.title ?? 'this lesson'}</strong>
</p>
)}
<textarea
rows={4}
value={newPost}
onChange={e => setNewPost(e.target.value)}
onInput={e => {
const el = e.currentTarget
el.style.height = 'auto'
el.style.height = `${el.scrollHeight}px`
}}
placeholder={activeSection ? `Share a thought about ${releasedSections.find(s => s.id === activeSection)?.title ?? 'this lesson'}...` : 'Share a thought with the community...'}
style={{ width: '100%', padding: '0.85rem 1rem', borderRadius: '12px', border: '1px solid #2a2518', background: '#14130f', color: '#f0ead8', marginBottom: '0.75rem', resize: 'none', overflow: 'hidden', boxSizing: 'border-box' }}
/>
<div className="study-auth-actions">
<button type="button" className="btn-primary" disabled={submitting || !newPost.trim()} onClick={submitPost}>
{submitting ? 'Posting...' : 'Post to Community'}
</button>
</div>
<div className="community-compose-tag">
<span>Posting to:</span>
<strong>{releasedSections.find(s => s.id === activeSection)?.title ?? 'this lesson'}</strong>
<button type="button" className="community-compose-tag-clear" onClick={() => setActiveSection('')} aria-label="Clear lesson filter">×</button>
</div>
)}
{message && <p className="study-note-status" style={{ marginBottom: '0.75rem' }}>{message}</p>}
{error && <p className="study-note-status" style={{ marginBottom: '0.75rem' }}>{error}</p>}
{canParticipate && (
<div style={{ display: 'grid', gap: '0.85rem' }}>
{loading ? (
<p className="study-detail-copy">Loading community posts...</p>
) : visiblePosts.length === 0 ? (
<p className="study-detail-copy">No posts yet{activeSection ? ' for this lesson' : ''}. Be the first to start the conversation.</p>
) : visiblePosts.map(post => {
const postSection = study.sections.find(s => s.id === post.sectionId)
return (
<div key={post.id} style={{ border: '1px solid #2a2518', borderRadius: '14px', padding: '1.15rem', background: '#11100d', opacity: post.pending ? 0.65 : 1, transition: 'opacity 300ms' }}>
<div style={{ display: 'flex', justifyContent: 'space-between', gap: '1rem', flexWrap: 'wrap', marginBottom: '0.4rem' }}>
<div style={{ display: 'flex', alignItems: 'center', gap: '0.65rem', flexWrap: 'wrap' }}>
{post.authorAvatarUrl ? (
<img src={post.authorAvatarUrl} alt={`${post.authorName || 'Student'} avatar`} width={28} height={28} style={{ borderRadius: '50%', border: '1px solid #2a2518' }} />
) : (
<div style={{ width: 28, height: 28, borderRadius: '50%', background: '#2a2518', display: 'grid', placeItems: 'center', color: '#f0ead8', fontSize: '0.85rem', fontWeight: 700 }}>
{post.authorName?.slice(0, 1).toUpperCase() || 'S'}
</div>
)}
<strong style={{ color: '#e0c070' }}>{post.authorName || 'Student'}</strong>
{postSection && !activeSection && (
<button
type="button"
className="qa-topic-btn"
style={{ padding: '0.2rem 0.6rem', fontSize: '0.78rem' }}
onClick={() => setActiveSection(postSection.id)}
>{postSection.title}</button>
)}
</div>
<span className="study-note-status">{formatCommunityDate(post.createdAt)}</span>
</div>
<p className="study-detail-copy" style={{ marginTop: 0, whiteSpace: 'pre-wrap' }}>{post.message}</p>
<div style={{ display: 'flex', gap: '0.75rem', flexWrap: 'wrap', marginTop: '0.75rem' }}>
<button type="button" className="btn-secondary" style={{ fontSize: '0.85rem', padding: '0.35rem 0.85rem' }} onClick={() => setReplyingTo(curr => curr === post.id ? null : post.id)}>
{replyingTo === post.id ? 'Cancel' : `Reply${post.replies?.length ? ` (${post.replies.length})` : ''}`}
</button>
</div>
{replyingTo === post.id && canParticipate && (
<div style={{ marginTop: '0.85rem' }}>
<textarea
rows={3}
value={newPost}
onChange={e => setNewPost(e.target.value)}
onInput={e => { const el = e.currentTarget; el.style.height = 'auto'; el.style.height = `${el.scrollHeight}px` }}
placeholder={activeSection ? `Share a thought about ${releasedSections.find(s => s.id === activeSection)?.title ?? 'this lesson'}…` : 'Share a thought with the community…'}
className="community-compose-textarea"
/>
<div className="community-compose-footer">
<button type="button" className="btn-primary community-post-btn" disabled={submitting || !newPost.trim()} onClick={submitPost}>
{submitting ? 'Posting…' : 'Post'}
</button>
</div>
</div>
</div>
)}
{error && <p className="community-status-msg community-status-msg--error">{error}</p>}
{canParticipate && (
<div className="community-posts-list">
{loading ? (
<p className="community-status-msg">Loading posts…</p>
) : visiblePosts.length === 0 ? (
<p className="community-status-msg">No posts yet{activeSection ? ' for this lesson' : ''}. Be the first to start the conversation.</p>
) : visiblePosts.map(post => {
const postSection = study.sections.find(s => s.id === post.sectionId)
const isReplying = replyingTo === post.id
return (
<article key={post.id} className={`community-post-card${post.pending ? ' community-post-card--pending' : ''}`}>
<div className="community-post-left">
<UserAvatar name={post.authorName} url={post.authorAvatarUrl} size={40} />
{(post.replies?.length ?? 0) > 0 && <div className="community-thread-line" />}
</div>
<div className="community-post-body">
{/* Header */}
<div className="community-post-header">
<span className="community-post-author">{post.authorName || 'Student'}</span>
<span className="community-post-time" title={post.createdAt}>{formatRelativeTime(post.createdAt)}</span>
{postSection && !activeSection && (
<button type="button" className="community-lesson-chip" onClick={() => setActiveSection(postSection.id)}>{postSection.title}</button>
)}
</div>
{/* Content */}
<p className="community-post-text">{post.message}</p>
{/* Engagement bar */}
<div className="community-engagement-bar">
<button
type="button"
className={`community-action-btn${post.likedByMe ? ' community-action-btn--liked' : ''}`}
onClick={() => toggleLike(post.id)}
aria-label={post.likedByMe ? 'Unlike' : 'Like'}
disabled={post.pending}
>
<svg viewBox="0 0 24 24" className="community-action-icon" aria-hidden="true">
<path d={post.likedByMe
? 'M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z'
: 'M16.5 3c-1.74 0-3.41.81-4.5 2.09C10.91 3.81 9.24 3 7.5 3 4.42 3 2 5.42 2 8.5c0 3.78 3.4 6.86 8.55 11.54L12 21.35l1.45-1.32C18.6 15.36 22 12.28 22 8.5 22 5.42 19.58 3 16.5 3zm-4.4 15.55-.1.1-.1-.1C7.14 14.24 4 11.39 4 8.5 4 6.5 5.5 5 7.5 5c1.54 0 3.04.99 3.57 2.36h1.87C13.46 5.99 14.96 5 16.5 5c2 0 3.5 1.5 3.5 3.5 0 2.89-3.14 5.74-7.9 10.05z'}
/>
</svg>
{(post.likeCount ?? 0) > 0 && <span>{post.likeCount}</span>}
</button>
<button
type="button"
className={`community-action-btn${isReplying ? ' community-action-btn--active' : ''}`}
onClick={() => setReplyingTo(curr => curr === post.id ? null : post.id)}
aria-label="Reply"
disabled={post.pending}
>
<svg viewBox="0 0 24 24" className="community-action-icon" aria-hidden="true">
<path d="M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zm0 14H5.17L4 17.17V4h16v12z" />
</svg>
{(post.replies?.length ?? 0) > 0 && <span>{post.replies!.length}</span>}
</button>
</div>
{/* Reply compose */}
{isReplying && (
<div className="community-reply-compose">
<UserAvatar name={communityDisplayName} url={auth.avatarUrl || undefined} size={30} />
<div style={{ flex: 1 }}>
<textarea
rows={2}
autoFocus
value={replyDrafts[post.id] ?? ''}
onChange={e => setReplyDrafts(prev => ({ ...prev, [post.id]: e.target.value }))}
onInput={e => {
const el = e.currentTarget
el.style.height = 'auto'
el.style.height = `${el.scrollHeight}px`
}}
placeholder={`Reply to ${post.authorName || communityDisplayName}...`}
style={{ width: '100%', padding: '0.8rem 1rem', borderRadius: '12px', border: '1px solid #2a2518', background: '#14130f', color: '#f0ead8', marginBottom: '0.75rem', resize: 'none', overflow: 'hidden' }}
onInput={e => { const el = e.currentTarget; el.style.height = 'auto'; el.style.height = `${el.scrollHeight}px` }}
placeholder={`Reply to ${post.authorName || 'this post'}…`}
className="community-compose-textarea"
/>
<button type="button" className="btn-primary" style={{ fontSize: '0.9rem' }} disabled={submitting || !(replyDrafts[post.id] ?? '').trim()} onClick={() => submitReply(post.id)}>Post Reply</button>
<div style={{ display: 'flex', gap: '0.5rem', marginTop: '0.5rem' }}>
<button type="button" className="btn-primary" style={{ fontSize: '0.875rem', padding: '0.35rem 0.9rem' }} disabled={submitting || !(replyDrafts[post.id] ?? '').trim()} onClick={() => submitReply(post.id)}>Reply</button>
<button type="button" className="btn-secondary" style={{ fontSize: '0.875rem', padding: '0.35rem 0.9rem' }} onClick={() => setReplyingTo(null)}>Cancel</button>
</div>
</div>
</div>
)}
{/* Replies */}
{Array.isArray(post.replies) && post.replies.length > 0 && (
<div style={{ marginTop: '1rem', display: 'grid', gap: '0.65rem' }}>
<div className="community-replies">
{post.replies.map(reply => (
<div key={reply.id} style={{ borderLeft: '2px solid #2a2518', paddingLeft: '0.85rem' }}>
<div style={{ display: 'flex', justifyContent: 'space-between', gap: '1rem', flexWrap: 'wrap' }}>
<div style={{ display: 'flex', alignItems: 'center', gap: '0.55rem', flexWrap: 'wrap' }}>
{reply.authorAvatarUrl ? (
<img src={reply.authorAvatarUrl} alt={`${reply.authorName || 'Student'} avatar`} width={22} height={22} style={{ borderRadius: '50%', border: '1px solid #2a2518' }} />
) : (
<div style={{ width: 22, height: 22, borderRadius: '50%', background: '#2a2518', display: 'grid', placeItems: 'center', color: '#f0ead8', fontSize: '0.75rem', fontWeight: 700 }}>
{reply.authorName?.slice(0, 1).toUpperCase() || 'S'}
<div key={reply.id} className="community-reply">
<UserAvatar name={reply.authorName} url={reply.authorAvatarUrl} size={28} />
<div className="community-reply-body">
<div className="community-post-header">
<span className="community-post-author">{reply.authorName || 'Student'}</span>
<span className="community-post-time">{formatRelativeTime(reply.createdAt)}</span>
</div>
)}
<strong style={{ color: '#c9a84c', fontSize: '0.95rem' }}>{reply.authorName || 'Student'}</strong>
<p className="community-post-text">{reply.message}</p>
</div>
<span className="study-note-status">{formatCommunityDate(reply.createdAt)}</span>
</div>
<p className="study-detail-copy" style={{ margin: '0.25rem 0 0', whiteSpace: 'pre-wrap' }}>{reply.message}</p>
</div>
))}
</div>
)}
</div>
</article>
)
})}
</div>