Initial open-source self-hosted Songs2YT edition

app/api/youtube/playlists/route.ts

@@ -0,0 +1,63 @@
+import { NextRequest, NextResponse } from "next/server";
+import { hasProFeatures } from "@/lib/edition";
+import { getSessionUser } from "@/lib/session";
+import { parseCreatePlaylistInput } from "@/lib/jobs/resolve-playlist";
+import { createYouTubePlaylist, listYouTubePlaylists } from "@/lib/youtube/upload";
+
+async function requirePremiumYouTubeUser() {
+  const user = await getSessionUser();
+  if (!user) {
+    return { error: NextResponse.json({ error: "Unauthorized" }, { status: 401 }), user: null };
+  }
+  if (!hasProFeatures(user.plan)) {
+    return {
+      error: NextResponse.json(
+        { error: "Playlist features are available on the Pro plan only" },
+        { status: 403 },
+      ),
+      user: null,
+    };
+  }
+  if (!user.youtubeConnection) {
+    return {
+      error: NextResponse.json({ error: "YouTube account not connected" }, { status: 403 }),
+      user: null,
+    };
+  }
+  return { error: null, user };
+}
+
+export async function GET() {
+  const { error, user } = await requirePremiumYouTubeUser();
+  if (error || !user) return error!;
+
+  try {
+    const playlists = await listYouTubePlaylists(user.id);
+    return NextResponse.json({ playlists });
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Failed to list playlists";
+    return NextResponse.json({ error: message }, { status: 500 });
+  }
+}
+
+export async function POST(req: NextRequest) {
+  const { error, user } = await requirePremiumYouTubeUser();
+  if (error || !user) return error!;
+
+  try {
+    const body = await req.json();
+    const input = parseCreatePlaylistInput(body);
+    if (!input) {
+      return NextResponse.json(
+        { error: "Provide title, and optionally description and privacy (public|unlisted|private)" },
+        { status: 400 },
+      );
+    }
+
+    const playlist = await createYouTubePlaylist(user.id, input);
+    return NextResponse.json({ playlist });
+  } catch (err) {
+    const message = err instanceof Error ? err.message : "Failed to create playlist";
+    return NextResponse.json({ error: message }, { status: 500 });
+  }
+}