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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 | /** * Owner-only share management for a celebration song. * * POST /api/songs/[songId]/share create a permanent share link * GET /api/songs/[songId]/share list active shares for the song * PATCH /api/songs/[songId]/share?token= update a share's visibility toggles * DELETE /api/songs/[songId]/share?token= revoke a share link * * Authorization: only a parent of the song's player (isParentOf). Songs must be * `completed` and not content-flagged before they can be shared publicly. */ import { and, desc, eq } from 'drizzle-orm' import { NextResponse } from 'next/server' import { db, schema } from '@/db' import { withAuth } from '@/lib/auth/withAuth' import { isParentOf } from '@/lib/classroom' import { generateShareId } from '@/lib/generateShareId' import { getShareUrl } from '@/lib/share/urls' import { DEFAULT_SONG_SHARE_VISIBILITY, type SongShareVisibility } from '@/db/schema/song-shares' const VISIBILITY_KEYS: (keyof SongShareVisibility)[] = [ 'showAge', 'showAccuracy', 'showProblemDetail', 'showStreakSkills', 'autoPlay', ] /** * Coerce arbitrary input into a fully-populated visibility object. Keys default * to DEFAULT_SONG_SHARE_VISIBILITY (which differs per key — privacy toggles * default false, autoPlay defaults true); only an explicit boolean overrides. */ function sanitizeVisibility(input: unknown): SongShareVisibility { const source = input && typeof input === 'object' ? (input as Record<string, unknown>) : {} const result = { ...DEFAULT_SONG_SHARE_VISIBILITY } for (const key of VISIBILITY_KEYS) { if (typeof source[key] === 'boolean') result[key] = source[key] as boolean } return result } /** Load the song and assert the viewer is a parent of its player. */ async function loadOwnedSong(songId: string, userId: string) { const [song] = await db .select({ id: schema.sessionSongs.id, playerId: schema.sessionSongs.playerId, status: schema.sessionSongs.status, contentReviewStatus: schema.sessionSongs.contentReviewStatus, }) .from(schema.sessionSongs) .where(eq(schema.sessionSongs.id, songId)) .limit(1) if (!song) return { error: NextResponse.json({ error: 'Song not found' }, { status: 404 }) } const isParent = await isParentOf(userId, song.playerId) if (!isParent) { return { error: NextResponse.json({ error: 'Not authorized' }, { status: 403 }) } } return { song } } export const POST = withAuth(async (request, { userId, params }) => { try { const { songId } = (await params) as { songId: string } const { song, error } = await loadOwnedSong(songId, userId) if (error) return error if (song.status !== 'completed') { return NextResponse.json({ error: 'Only completed songs can be shared' }, { status: 409 }) } if (song.contentReviewStatus === 'flagged') { return NextResponse.json( { error: 'This song is under content review and cannot be shared' }, { status: 409 } ) } let body: unknown = {} try { body = await request.json() } catch { // empty body is fine — defaults to all-off visibility } const visibility = sanitizeVisibility((body as { visibility?: unknown })?.visibility) // Generate a unique short code (retry on collision — 62^7 keyspace) let shareId = generateShareId() let isUnique = false for (let attempts = 0; attempts < 5 && !isUnique; attempts++) { shareId = generateShareId() const existing = await db.query.songShares.findFirst({ where: eq(schema.songShares.id, shareId), }) if (!existing) isUnique = true } if (!isUnique) { return NextResponse.json({ error: 'Failed to generate unique share ID' }, { status: 500 }) } await db.insert(schema.songShares).values({ id: shareId, songId: song.id, playerId: song.playerId, createdBy: userId, visibility, status: 'active', views: 0, createdAt: new Date(), }) // Fire-and-forget pre-generation of the iMessage preview MP4. Apple's // LinkPresentation crawler hits the link within seconds of paste, and // ffmpeg-wrapping the audio takes 1–3s — warming the cache now means // the crawler usually finds a static file. If this HEAD fails, the // route's lazy path still generates on first real hit. const previewOrigin = process.env.NEXT_PUBLIC_APP_URL ?? request.nextUrl.origin void fetch(`${previewOrigin}/api/song-share/${shareId}/preview.mp4`, { method: 'HEAD' }).catch( () => {} ) return NextResponse.json({ id: shareId, url: getShareUrl('song', shareId), visibility, }) } catch (err) { console.error('Error creating song share:', err) return NextResponse.json({ error: 'Failed to create share' }, { status: 500 }) } }) export const GET = withAuth(async (_request, { userId, params }) => { try { const { songId } = (await params) as { songId: string } const { song, error } = await loadOwnedSong(songId, userId) if (error) return error const shares = await db .select({ id: schema.songShares.id, visibility: schema.songShares.visibility, views: schema.songShares.views, createdAt: schema.songShares.createdAt, lastViewedAt: schema.songShares.lastViewedAt, }) .from(schema.songShares) .where(and(eq(schema.songShares.songId, song.id), eq(schema.songShares.status, 'active'))) .orderBy(desc(schema.songShares.createdAt)) return NextResponse.json({ shares: shares.map((s) => ({ id: s.id, url: getShareUrl('song', s.id), visibility: s.visibility, views: s.views, createdAt: s.createdAt instanceof Date ? s.createdAt.getTime() : s.createdAt, lastViewedAt: s.lastViewedAt instanceof Date ? s.lastViewedAt.getTime() : (s.lastViewedAt ?? null), })), }) } catch (err) { console.error('Error listing song shares:', err) return NextResponse.json({ error: 'Failed to list shares' }, { status: 500 }) } }) export const PATCH = withAuth(async (request, { userId, params }) => { try { const { songId } = (await params) as { songId: string } const token = request.nextUrl.searchParams.get('token') if (!token) { return NextResponse.json({ error: 'token required' }, { status: 400 }) } const { song, error } = await loadOwnedSong(songId, userId) if (error) return error const [share] = await db .select({ id: schema.songShares.id, songId: schema.songShares.songId }) .from(schema.songShares) .where(eq(schema.songShares.id, token)) .limit(1) if (!share || share.songId !== song.id) { return NextResponse.json({ error: 'Share not found' }, { status: 404 }) } const body = (await request.json().catch(() => ({}))) as { visibility?: unknown } const visibility = sanitizeVisibility(body?.visibility) await db.update(schema.songShares).set({ visibility }).where(eq(schema.songShares.id, token)) return NextResponse.json({ id: token, visibility }) } catch (err) { console.error('Error updating song share:', err) return NextResponse.json({ error: 'Failed to update share' }, { status: 500 }) } }) export const DELETE = withAuth(async (request, { userId, params }) => { try { const { songId } = (await params) as { songId: string } const token = request.nextUrl.searchParams.get('token') if (!token) { return NextResponse.json({ error: 'token required' }, { status: 400 }) } const { song, error } = await loadOwnedSong(songId, userId) if (error) return error const [share] = await db .select({ id: schema.songShares.id, songId: schema.songShares.songId }) .from(schema.songShares) .where(eq(schema.songShares.id, token)) .limit(1) if (!share || share.songId !== song.id) { return NextResponse.json({ error: 'Share not found' }, { status: 404 }) } await db .update(schema.songShares) .set({ status: 'revoked' }) .where(eq(schema.songShares.id, token)) return NextResponse.json({ success: true }) } catch (err) { console.error('Error revoking song share:', err) return NextResponse.json({ error: 'Failed to revoke share' }, { status: 500 }) } }) |