User login

src/controllers/auth.ts

@@ -1,8 +1,14 @@
 import { Request, Response } from 'express'
 import { asyncHandler, successResponse } from '../utils'
-import { userService } from '../services'
+import { userService, authService } from '../services'
 
 export const register = asyncHandler(async (req: Request, res: Response) => {
   const user = await userService.createUser(req.body)
   successResponse(res, user, 201)
 })
+
+export const login = asyncHandler(async (req: Request, res: Response) => {
+  const { email, password } = req.body
+  const user = await authService.loginUserWithEmailAndPassword(email, password)
+  successResponse(res, user, 200)
+})

src/routes/v1/auth.ts

@@ -11,4 +11,10 @@ router.post(
   authController.register,
 )
 
+router.post(
+  '/login',
+  validate(authValidation.userLoginSchema),
+  authController.login,
+)
+
 export default router

src/services/auth.ts

@@ -0,0 +1,12 @@
+import { userService } from '.'
+
+export const loginUserWithEmailAndPassword = async (
+  email: string,
+  password: string,
+) => {
+  const user = await userService.getUserByEmail(email)
+  if (!user || user.password !== password) {
+    throw new Error('password is incorrect')
+  }
+  return user
+}

src/services/index.ts

@@ -1 +1,2 @@
 export * as userService from './user'
+export * as authService from './auth'

src/services/user.ts

@@ -16,3 +16,16 @@ export const createUser = async (user: User) => {
     throw new Error('create user failed')
   }
 }
+
+export const getUserByEmail = async (email: string) => {
+  try {
+    const user = await prisma.user.findUnique({
+      where: {
+        email,
+      },
+    })
+    return user
+  } catch (_err: unknown) {
+    throw new Error('get user failed')
+  }
+}

src/validations/auth.ts

@@ -5,3 +5,8 @@ export const userRegisterSchema = z.object({
   password: z.string().min(6),
   name: z.string(),
 })
+
+export const userLoginSchema = userRegisterSchema.pick({
+  email: true,
+  password: true,
+})