add domain logic

src/main/kotlin/data/UserRepository.kt

@@ -5,7 +5,7 @@ import org.example.data.model.UserDTO
 interface UserRepository {
     fun addUser()
     fun removeUserById(userId: Int): Boolean
-    fun updateUserById(userId: Int, newUser: UserDTO): UserDTO
+    fun updateUserById(userId: Int, updatedUser: UserDTO): UserDTO
     fun getAllUsers(): List<UserDTO>
     fun findUserById(userId: Int): UserDTO
 }

src/main/kotlin/data/UserRepositoryImpl.kt

@@ -13,13 +13,14 @@ class UserRepositoryImpl: UserRepository {
        return userSource.removeIf { it.userId == userId }
     }
 
-    override fun updateUserById(userId: Int, newUser: UserDTO): UserDTO {
+    override fun updateUserById(userId: Int, updatedUser: UserDTO): UserDTO {
         val oldUser = userSource.first { it.userId == userId }
-        oldUser.phone = newUser.phone
+        oldUser.phone = updatedUser.phone
-        oldUser.address = newUser.address
+        oldUser.address = updatedUser.address
-        oldUser.firstName = newUser.firstName
+        oldUser.firstName = updatedUser.firstName
-        oldUser.lastName = newUser.lastName
+        oldUser.lastName = updatedUser.lastName
-        oldUser.password = newUser.password
+        oldUser.password = updatedUser.password
+        oldUser.email = updatedUser.email
         return oldUser
     }
 

src/main/kotlin/data/localDataSource.kt

@@ -6,16 +6,19 @@ val userList = listOf(
     UserDTO(
         userId = 1,
         firstName = "Andrey",
-        password = "123"
+        password = "123",
+        email = "test@mail.ru"
         ),
     UserDTO(
         userId = 2,
         firstName = "Alexey",
-        password = "321"
+        password = "321",
+        email = "test2@mail.ru"
     ),
     UserDTO(
         userId = 3,
         firstName = "Oleg",
-        password = "423"
+        password = "423",
+        email = "test3@mail.ru",
     ),
 )

src/main/kotlin/data/model/UserDTO.kt

@@ -5,6 +5,7 @@ data class UserDTO(
     var firstName: String,
     var lastName: String? = null,
     var password: String,
+    var email: String,
     var phone: String? = null,
     var address: String? = null,
 )

src/main/kotlin/domain/UserUseCase.kt

@@ -0,0 +1,11 @@
+package org.example.domain
+
+import org.example.domain.request.AuthorizeRequest
+import org.example.domain.response.UserResponse
+
+interface UserUseCase {
+    fun authorize(authorizeRequest: AuthorizeRequest): UserResponse
+    fun registration()
+    fun changePassword()
+    fun changeProfile()
+}

src/main/kotlin/domain/UserUseCaseImpl.kt

@@ -0,0 +1,33 @@
+package org.example.domain
+
+import org.example.data.UserRepository
+import org.example.domain.request.AuthorizeRequest
+import org.example.domain.response.UserResponse
+
+class UserUseCaseImpl(private val userRepository: UserRepository): UserUseCase {
+    override fun authorize(authorizeRequest: AuthorizeRequest): UserResponse {
+        val findUser = userRepository.getAllUsers()
+            .firstOrNull {
+                it.email == authorizeRequest.email
+            }
+        checkNotNull(findUser){
+            "Пользователь с такой почтой не найден"
+        }
+        require(findUser.password == authorizeRequest.password){
+            "Пароли не совпадают"
+        }
+        return UserDtoTOUserResponse(findUser)
+    }
+
+    override fun registration() {
+        TODO("Not yet implemented")
+    }
+
+    override fun changePassword() {
+        TODO("Not yet implemented")
+    }
+
+    override fun changeProfile() {
+        TODO("Not yet implemented")
+    }
+}

src/main/kotlin/domain/mapper.kt

@@ -0,0 +1,13 @@
+package org.example.domain
+
+import org.example.data.model.UserDTO
+import org.example.domain.response.UserResponse
+
+fun UserDtoTOUserResponse(userDTO: UserDTO) = UserResponse(
+    lastName = userDTO.lastName,
+    firstName = userDTO.firstName,
+    email = userDTO.email,
+    phone = userDTO.phone,
+    userId = userDTO.userId,
+    address = userDTO.address,
+)

src/main/kotlin/domain/request/AuthorizeRequest.kt

@@ -0,0 +1,6 @@
+package org.example.domain.request
+
+data class AuthorizeRequest(
+    val email: String,
+    val password: String
+)

src/main/kotlin/domain/response/UserResponse.kt

@@ -0,0 +1,10 @@
+package org.example.domain.response
+
+data class UserResponse(
+    val userId: Int,
+    var firstName: String,
+    var lastName: String? = null,
+    var email: String,
+    var phone: String? = null,
+    var address: String? = null,
+)