From 1e39c74b16f37d025777602bdfa24a2ae751c687 Mon Sep 17 00:00:00 2001
From: Jonathan <claude.cs@jger.nl>
Date: Sat, 11 Jul 2026 13:55:36 +0200
Subject: [PATCH] =?UTF-8?q?feat:=20artist=20item=20API=20=E2=80=94=20detai?=
 =?UTF-8?q?l,=20auto-monitor=20toggle,=20unfollow?=
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---
 web/src/app/api/artists/[id]/route.test.ts | 60 ++++++++++++++++++++++
 web/src/app/api/artists/[id]/route.ts      | 57 ++++++++++++++++++++
 2 files changed, 117 insertions(+)
 create mode 100644 web/src/app/api/artists/[id]/route.test.ts
 create mode 100644 web/src/app/api/artists/[id]/route.ts

diff --git a/web/src/app/api/artists/[id]/route.test.ts b/web/src/app/api/artists/[id]/route.test.ts
new file mode 100644
index 0000000..2f5bfa1
--- /dev/null
+++ b/web/src/app/api/artists/[id]/route.test.ts
@@ -0,0 +1,60 @@
+import { describe, it, expect } from "vitest";
+import { prisma } from "@/lib/db";
+import { GET, PATCH, DELETE } from "./route";
+
+const ctx = (id: string) => ({ params: Promise.resolve({ id }) });
+
+async function seedArtist() {
+  return prisma.watchedArtist.create({
+    data: {
+      mbid: "a1",
+      name: "John Mayer",
+      releases: {
+        create: [
+          { artistMbid: "a1", artistName: "John Mayer", rgMbid: "rg1", album: "Continuum", primaryType: "Album", secondaryTypes: [], firstReleaseDate: "2006-09-12", monitored: true, state: "grabbed", currentQualityClass: 1 },
+        ],
+      },
+    },
+  });
+}
+
+function patchReq(body: unknown) {
+  return new Request("http://localhost/x", { method: "PATCH", headers: { "content-type": "application/json" }, body: JSON.stringify(body) });
+}
+
+describe("artist item API", () => {
+  it("returns detail with releases", async () => {
+    const a = await seedArtist();
+    const res = await GET(new Request("http://localhost/x"), ctx(a.id));
+    expect(res.status).toBe(200);
+    const body = await res.json();
+    expect(body.name).toBe("John Mayer");
+    expect(body.releases[0]).toMatchObject({ rgMbid: "rg1", album: "Continuum", monitored: true, state: "grabbed", currentQualityClass: 1 });
+  });
+
+  it("404s an unknown artist on GET", async () => {
+    expect((await GET(new Request("http://localhost/x"), ctx("nope"))).status).toBe(404);
+  });
+
+  it("toggles autoMonitorFuture", async () => {
+    const a = await seedArtist();
+    const res = await PATCH(patchReq({ autoMonitorFuture: true }), ctx(a.id));
+    expect(res.status).toBe(200);
+    expect((await res.json()).autoMonitorFuture).toBe(true);
+    expect((await prisma.watchedArtist.findUnique({ where: { id: a.id } }))!.autoMonitorFuture).toBe(true);
+  });
+
+  it("400s a non-boolean toggle and 404s an unknown artist", async () => {
+    const a = await seedArtist();
+    expect((await PATCH(patchReq({ autoMonitorFuture: "yes" }), ctx(a.id))).status).toBe(400);
+    expect((await PATCH(patchReq({ autoMonitorFuture: true }), ctx("nope"))).status).toBe(404);
+  });
+
+  it("unfollows and cascades releases", async () => {
+    const a = await seedArtist();
+    const res = await DELETE(new Request("http://localhost/x"), ctx(a.id));
+    expect(res.status).toBe(204);
+    expect(await prisma.watchedArtist.findUnique({ where: { id: a.id } })).toBeNull();
+    expect(await prisma.monitoredRelease.count({ where: { rgMbid: "rg1" } })).toBe(0);
+  });
+});
diff --git a/web/src/app/api/artists/[id]/route.ts b/web/src/app/api/artists/[id]/route.ts
new file mode 100644
index 0000000..a7f9226
--- /dev/null
+++ b/web/src/app/api/artists/[id]/route.ts
@@ -0,0 +1,57 @@
+import { prisma } from "@/lib/db";
+
+export async function GET(_request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { id } = await params;
+  const artist = await prisma.watchedArtist.findUnique({
+    where: { id },
+    include: { releases: { orderBy: [{ firstReleaseDate: "desc" }, { album: "asc" }] } },
+  });
+  if (!artist) return Response.json({ error: "not found" }, { status: 404 });
+  return Response.json({
+    id: artist.id,
+    mbid: artist.mbid,
+    name: artist.name,
+    autoMonitorFuture: artist.autoMonitorFuture,
+    releases: artist.releases.map((r) => ({
+      id: r.id,
+      rgMbid: r.rgMbid,
+      album: r.album,
+      primaryType: r.primaryType,
+      secondaryTypes: r.secondaryTypes,
+      firstReleaseDate: r.firstReleaseDate,
+      monitored: r.monitored,
+      state: r.state,
+      currentQualityClass: r.currentQualityClass,
+    })),
+  });
+}
+
+export async function PATCH(request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { id } = await params;
+  let body: unknown;
+  try {
+    body = await request.json();
+  } catch {
+    return Response.json({ error: "invalid JSON" }, { status: 400 });
+  }
+  const { autoMonitorFuture } = (body ?? {}) as { autoMonitorFuture?: unknown };
+  if (typeof autoMonitorFuture !== "boolean") {
+    return Response.json({ error: "autoMonitorFuture (boolean) is required" }, { status: 400 });
+  }
+  try {
+    const updated = await prisma.watchedArtist.update({ where: { id }, data: { autoMonitorFuture } });
+    return Response.json({ id: updated.id, autoMonitorFuture: updated.autoMonitorFuture });
+  } catch {
+    return Response.json({ error: "not found" }, { status: 404 });
+  }
+}
+
+export async function DELETE(_request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { id } = await params;
+  try {
+    await prisma.watchedArtist.delete({ where: { id } });
+    return new Response(null, { status: 204 });
+  } catch {
+    return Response.json({ error: "not found" }, { status: 404 });
+  }
+}