feat: wanted list API — list + standalone add

web/src/app/api/wanted/route.ts

@@ -0,0 +1,62 @@
+import { prisma } from "@/lib/db";
+import { searchReleaseGroup } from "@/lib/musicbrainz";
+
+export async function GET() {
+  const items = await prisma.monitoredRelease.findMany({
+    where: { monitored: true, state: { not: "fulfilled" } },
+    orderBy: [{ lastSearchedAt: { sort: "asc", nulls: "first" } }, { createdAt: "asc" }],
+  });
+  return Response.json({
+    wanted: items.map((r) => ({
+      id: r.id,
+      artistName: r.artistName,
+      album: r.album,
+      state: r.state,
+      currentQualityClass: r.currentQualityClass,
+      lastSearchedAt: r.lastSearchedAt,
+      watchedArtistId: r.watchedArtistId,
+    })),
+  });
+}
+
+export async function POST(request: Request) {
+  let body: unknown;
+  try {
+    body = await request.json();
+  } catch {
+    return Response.json({ error: "invalid JSON" }, { status: 400 });
+  }
+  const { artist, album } = (body ?? {}) as { artist?: unknown; album?: unknown };
+  if (typeof artist !== "string" || !artist.trim() || typeof album !== "string" || !album.trim()) {
+    return Response.json({ error: "artist and album are required" }, { status: 400 });
+  }
+
+  let match;
+  try {
+    match = await searchReleaseGroup(artist.trim(), album.trim());
+  } catch {
+    return Response.json({ error: "MusicBrainz unavailable" }, { status: 502 });
+  }
+  if (!match) {
+    return Response.json({ error: "no matching release-group found" }, { status: 404 });
+  }
+
+  const existing = await prisma.monitoredRelease.findUnique({ where: { rgMbid: match.rgMbid } });
+  if (existing) {
+    const updated = await prisma.monitoredRelease.update({ where: { rgMbid: match.rgMbid }, data: { monitored: true } });
+    return Response.json({ id: updated.id, album: updated.album, monitored: updated.monitored }, { status: 200 });
+  }
+  const created = await prisma.monitoredRelease.create({
+    data: {
+      artistMbid: match.artistMbid,
+      artistName: match.artistName,
+      rgMbid: match.rgMbid,
+      album: match.title,
+      primaryType: match.primaryType,
+      secondaryTypes: match.secondaryTypes,
+      firstReleaseDate: match.firstReleaseDate,
+      monitored: true,
+    },
+  });
+  return Response.json({ id: created.id, album: created.album, monitored: created.monitored }, { status: 201 });
+}