feat: support removing watch status when null

A user can choose to remove a show from being in their media list completely, by setting the watch status to null

src/controllers/watch-status/index.spec.ts

@@ -1,3 +1,5 @@
+import { eq } from "drizzle-orm";
+
 import { beforeEach, describe, expect, it } from "bun:test";
 
 import app from "~/index";
@@ -5,7 +7,7 @@ import { getTestDb } from "~/libs/test/getTestDb";
 import { getTestEnv } from "~/libs/test/getTestEnv";
 import { resetTestDb } from "~/libs/test/resetTestDb";
 import { server } from "~/mocks";
-import { deviceTokensTable } from "~/models/schema";
+import { deviceTokensTable, watchStatusTable } from "~/models/schema";
 
 server.listen();
 
@@ -89,4 +91,109 @@ describe("requests the /watch-status route", () => {
     expect(res.json()).resolves.toEqual({ success: true });
     expect(res.status).toBe(200);
   });
+
+  it("watch status is null, should succeed", async () => {
+    await db
+      .insert(deviceTokensTable)
+      .values({ deviceId: "123", token: "asd" });
+
+    const res = await app.request(
+      "/watch-status",
+      {
+        method: "POST",
+        headers: new Headers({
+          "x-anilist-token": "asd",
+          "Content-Type": "application/json",
+        }),
+        body: JSON.stringify({
+          deviceId: "123",
+          watchStatus: null,
+          titleId: 10,
+        }),
+      },
+      getTestEnv(),
+    );
+
+    expect(res.json()).resolves.toEqual({ success: true });
+    expect(res.status).toBe(200);
+  });
+
+  it("watch status is null, title does not exist, should succeed", async () => {
+    await db
+      .insert(deviceTokensTable)
+      .values({ deviceId: "123", token: "asd" });
+
+    const res = await app.request(
+      "/watch-status",
+      {
+        method: "POST",
+        headers: new Headers({
+          "x-anilist-token": "asd",
+          "Content-Type": "application/json",
+        }),
+        body: JSON.stringify({
+          deviceId: "123",
+          watchStatus: null,
+          titleId: -1,
+        }),
+      },
+      getTestEnv(),
+    );
+
+    expect(res.json()).resolves.toEqual({ success: true });
+    expect(res.status).toBe(200);
+  });
+
+  it("watch status is null, title exists, fails to delete entry, should succeed", async () => {
+    await db
+      .insert(deviceTokensTable)
+      .values({ deviceId: "123", token: "asd" });
+
+    const res = await app.request("/watch-status", {
+      method: "POST",
+      headers: new Headers({
+        "x-anilist-token": "asd",
+        "Content-Type": "application/json",
+      }),
+      body: JSON.stringify({
+        deviceId: "123",
+        watchStatus: null,
+        titleId: 139518,
+      }),
+    });
+
+    expect(res.json()).resolves.toEqual({ success: true });
+    expect(res.status).toBe(200);
+  });
+
+  it("watch status is null, should delete entry", async () => {
+    await db
+      .insert(deviceTokensTable)
+      .values({ deviceId: "123", token: "asd" });
+    await db.insert(watchStatusTable).values({ deviceId: "123", titleId: 10 });
+
+    await app.request(
+      "/watch-status",
+      {
+        method: "POST",
+        headers: new Headers({
+          "x-anilist-token": "asd",
+          "Content-Type": "application/json",
+        }),
+        body: JSON.stringify({
+          deviceId: "123",
+          watchStatus: null,
+          titleId: 10,
+        }),
+      },
+      getTestEnv(),
+    );
+    const row = await db
+      .select()
+      .from(watchStatusTable)
+      .where(eq(watchStatusTable.titleId, 10))
+      .get();
+
+    expect(row).toBeUndefined();
+  });
 });