Feat/update swe test (#26)

* feat: add yup for form validation and some basic validation and tests

* feat: remove yup and move to more custom validation

* chore: update to double quotes

swe/lib/utils/validateRegistrationForm.test.ts

@@ -0,0 +1,18 @@
+import { Prisma } from '@prisma/client';
+
+import validateRegistrationForm from "./validateRegistrationForm";
+
+describe("validateRegistrationForm", () => {
+    it("validates correctly", async () => {
+        const mockRegistrationInput: Prisma.RegistrationCreateInput = {
+            firstName: 'firstName',
+            lastName: 'lastName',
+            email: 'email',
+            course: { connect: { id: 1 } },
+        }
+
+        const validatedData = await validateRegistrationForm(mockRegistrationInput);
+
+        expect(validatedData).toEqual(undefined);
+    });
+});

swe/lib/utils/validateRegistrationForm.ts

@@ -0,0 +1,11 @@
+import { Prisma } from "@prisma/client";
+
+export class ValidationError extends Error {}
+
+export const validateRegistrationForm = async (requestBody: Prisma.RegistrationCreateInput) => {
+    if (!requestBody) {
+        throw new ValidationError("Empty request body");
+    }
+};
+
+export default validateRegistrationForm;

swe/pages/api/register.ts

@@ -1,6 +1,8 @@
 import type { NextApiRequest, NextApiResponse } from "next";
 import { PrismaClient, Prisma } from "@prisma/client";
 
+import validateRegistrationForm from '../../lib/utils/validateRegistrationForm';
+
 const prisma = new PrismaClient();
 
 export default async function handler(
@@ -14,15 +16,17 @@ export default async function handler(
   }
 
   try {
-    const registration: Prisma.RegistrationCreateInput = JSON.parse(req.body);
+    const requestBody: Prisma.RegistrationCreateInput = req.body;
+    await validateRegistrationForm(requestBody);
+
     const savedRegistration = await prisma.registration.create({
-      data: registration,
+      data: requestBody,
     });
     res.status(200).json(savedRegistration);
   } catch (err) {
-    console.log("error: " + String(err));
+    console.log(err);
     res
-      .status(400)
+      .status(500)
       .json({ message: "Something went wrong", error: String(err) });
   }
 };