Initial Commit

server/api/uploads/[id]/favorite.post.ts

@@ -0,0 +1,51 @@
+import { and, desc, eq } from 'drizzle-orm'
+import { favorites, threadSubscriptions, uploads, users } from '../../../db/schema'
+
+export default defineEventHandler(async (event) => {
+  const user = await requireUser(event)
+  const id = getRouterParam(event, 'id') ?? ''
+  if (!/^[A-Za-z0-9]{1,16}$/.test(id)) {
+    throw createError({ statusCode: 400, statusMessage: 'Ungültige ID' })
+  }
+  const db = useDb()
+
+  const exists = await db
+    .select({ id: uploads.id })
+    .from(uploads)
+    .where(eq(uploads.id, id))
+    .limit(1)
+  if (!exists.length) {
+    throw createError({ statusCode: 404, statusMessage: 'Upload nicht gefunden' })
+  }
+
+  const existing = await db
+    .select()
+    .from(favorites)
+    .where(and(eq(favorites.uploadId, id), eq(favorites.userId, user.id)))
+    .limit(1)
+
+  if (existing.length) {
+    await db.delete(favorites).where(and(eq(favorites.uploadId, id), eq(favorites.userId, user.id)))
+  }
+  else {
+    await db.transaction(async (tx) => {
+      await tx.insert(favorites).values({ uploadId: id, userId: user.id })
+      await ensureThreadSubscription(id, user.id, tx)
+    })
+  }
+
+  const favRows = await db
+    .select({ id: users.id, name: users.name, color: users.color, avatar: users.avatar })
+    .from(favorites)
+    .innerJoin(users, eq(favorites.userId, users.id))
+    .where(eq(favorites.uploadId, id))
+    .orderBy(desc(favorites.createdAt))
+
+  const [subscription] = await db.select({ enabled: threadSubscriptions.enabled }).from(threadSubscriptions)
+    .where(and(eq(threadSubscriptions.uploadId, id), eq(threadSubscriptions.userId, user.id))).limit(1)
+  return {
+    isSubscribed: subscription?.enabled ?? false,
+    favorited: !existing.length,
+    favoritedBy: favRows.map(f => ({ id: f.id, name: f.name, color: f.color, avatarUrl: avatarUrl(f.avatar) })),
+  }
+})