feat: add isInvited endpoint to check waitlist invitation status

Author: tyler-dane

…t/controller/waitlist.controller.test.ts …ntroller/waitlist.controller-add.test.tspackages/backend/src/waitlist/controller/waitlist.controller.test.ts renamed to packages/backend/src/waitlist/controller/waitlist.controller-add.test.ts packages/backend/src/waitlist/controller/waitlist.controller.test.ts renamed to packages/backend/src/waitlist/controller/waitlist.controller-add.test.ts

@@ -0,0 +1,82 @@
+import request from "supertest";
+
+describe("GET /api/invited", () => {
+  beforeEach(() => {
+    jest.resetModules();
+    jest.clearAllMocks();
+  });
+
+  it("should return 400 if email is invalid", async () => {
+    // Arrange
+    jest.doMock("../service/waitlist.service", () => ({
+      __esModule: true,
+      default: {
+        isInvited: jest.fn(),
+      },
+    }));
+    const { WaitlistController } = await import("./waitlist.controller");
+    const express = (await import("express")).default;
+    const app = express();
+    app.use(express.json());
+    app.get("/api/invited", WaitlistController.isInvited);
+
+    // Act
+    const res = await request(app).get("/api/invited").query({ email: "" });
+
+    // Assert
+    expect(res.status).toBe(400);
+    expect(res.error).toBeDefined();
+  });
+
+  it("should return true if email was invited", async () => {
+    // Arrange
+    jest.doMock("../service/waitlist.service", () => ({
+      __esModule: true,
+      default: {
+        isInvited: jest.fn().mockResolvedValue(true), // user is invited
+      },
+    }));
+    const { WaitlistController } = await import("./waitlist.controller");
+    const express = (await import("express")).default;
+    const app = express();
+    app.use(express.json());
+    app.get("/api/invited", WaitlistController.isInvited);
+
+    // Act
+    const res = await request(app)
+      .get("/api/invited")
+      .query({ email: "was-invited@bar.com" });
+
+    // Assert
+    expect(res.status).toBe(200);
+    const data = res.body;
+    expect(data.isInvited).toBeDefined();
+    expect(data.isInvited).toBe(true);
+  });
+
+  it("should return false if email was not invited", async () => {
+    // Arrange
+    jest.doMock("../service/waitlist.service", () => ({
+      __esModule: true,
+      default: {
+        isInvited: jest.fn().mockResolvedValue(false), // user is not invited
+      },
+    }));
+    const { WaitlistController } = await import("./waitlist.controller");
+    const express = (await import("express")).default;
+    const app = express();
+    app.use(express.json());
+    app.get("/api/invited", WaitlistController.isInvited);
+
+    // Act
+    const res = await request(app)
+      .get("/api/invited")
+      .query({ email: "not-invited@bar.com" });
+
+    // Assert
+    expect(res.status).toBe(200);
+    const data = res.body;
+    expect(data.isInvited).toBeDefined();
+    expect(data.isInvited).toBe(false);
+  });
+});

packages/backend/src/waitlist/controller/waitlist.controller-check.test.ts

@@ -47,4 +47,20 @@ export class WaitlistController {
       return res.status(500).json({ error: "Server error" });
     }
   }
+
+  static async isInvited(
+    req: Request<unknown, unknown, unknown, { email: string }>,
+    res: Response<{ isInvited: boolean }>,
+  ) {
+    const email = req.query.email;
+    if (!email) {
+      logger.error("Could not check if invited due to missing request email");
+      return res.status(400).json({
+        isInvited: false,
+      });
+    }
+
+    const isInvited = await WaitlistService.isInvited(email);
+    return res.status(200).json({ isInvited });
+  }
 }