SplashScreen 구현, 로그인 & 회원가입 시 토큰 저장

android/app/src/main/AndroidManifest.xml

@@ -14,17 +14,17 @@
         android:theme="@style/Theme.PriceGuard"
         tools:targetApi="34">
         <activity
-            android:name=".ui.main.additem.AddItemActivity"
-            android:exported="false" />
-        <activity
-            android:name=".ui.intro.IntroActivity"
-            android:exported="true" >
+            android:name=".ui.splash.SplashScreenActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ui.intro.IntroActivity"
+            android:exported="false" />
         <activity
             android:name=".ui.login.LoginActivity"
             android:exported="false" />
@@ -34,6 +34,9 @@
         <activity
             android:name=".ui.main.MainActivity"
             android:exported="false" />
+        <activity
+            android:name=".ui.main.additem.AddItemActivity"
+            android:exported="false" />
     </application>
 
 </manifest>

android/app/src/main/java/app/priceguard/data/dto/LoginResponse.kt

@@ -12,7 +12,8 @@ data class LoginResponse(
 
 data class LoginResult(
     val loginState: LoginState,
-    val loginResponse: LoginResponse? = null
+    val accessToken: String?,
+    val refreshToken: String?
 )
 
 enum class LoginState {

android/app/src/main/java/app/priceguard/data/dto/SignUpRequest.kt → android/app/src/main/java/app/priceguard/data/dto/SignupRequest.kt

@@ -3,7 +3,7 @@ package app.priceguard.data.dto
 import kotlinx.serialization.Serializable
 
 @Serializable
-data class SignUpRequest(
+data class SignupRequest(
     val email: String,
     val userName: String,
     val password: String

android/app/src/main/java/app/priceguard/data/dto/SignUpResponse.kt → android/app/src/main/java/app/priceguard/data/dto/SignupResponse.kt

@@ -3,19 +3,20 @@ package app.priceguard.data.dto
 import kotlinx.serialization.Serializable
 
 @Serializable
-data class SignUpResponse(
+data class SignupResponse(
     val statusCode: Int,
     val message: String,
     val accessToken: String,
     val refreshToken: String
 )
 
-data class SignUpResult(
-    val signUpState: SignUpState,
-    val signUpResponse: SignUpResponse? = null
+data class SignupResult(
+    val signUpState: SignupState,
+    val accessToken: String?,
+    val refreshToken: String?
 )
 
-enum class SignUpState {
+enum class SignupState {
     SUCCESS,
     INVALID_PARAMETER,
     DUPLICATE_EMAIL,

android/app/src/main/java/app/priceguard/data/network/UserAPI.kt

@@ -2,8 +2,8 @@ package app.priceguard.data.network
 
 import app.priceguard.data.dto.LoginRequest
 import app.priceguard.data.dto.LoginResponse
-import app.priceguard.data.dto.SignUpRequest
-import app.priceguard.data.dto.SignUpResponse
+import app.priceguard.data.dto.SignupRequest
+import app.priceguard.data.dto.SignupResponse
 import retrofit2.Response
 import retrofit2.http.Body
 import retrofit2.http.POST
@@ -17,6 +17,6 @@ interface UserAPI {
 
     @POST("register")
     suspend fun register(
-        @Body request: SignUpRequest
-    ): Response<SignUpResponse>
+        @Body request: SignupRequest
+    ): Response<SignupResponse>
 }

android/app/src/main/java/app/priceguard/data/repository/UserRepository.kt

@@ -1,11 +1,11 @@
 package app.priceguard.data.repository
 
 import app.priceguard.data.dto.LoginResult
-import app.priceguard.data.dto.SignUpResult
+import app.priceguard.data.dto.SignupResult
 
 interface UserRepository {
 
-    suspend fun signUp(email: String, userName: String, password: String): SignUpResult
+    suspend fun signUp(email: String, userName: String, password: String): SignupResult
 
     suspend fun login(email: String, password: String): LoginResult
 }

android/app/src/main/java/app/priceguard/data/repository/UserRepositoryImpl.kt

@@ -3,37 +3,37 @@ package app.priceguard.data.repository
 import app.priceguard.data.dto.LoginRequest
 import app.priceguard.data.dto.LoginResult
 import app.priceguard.data.dto.LoginState
-import app.priceguard.data.dto.SignUpRequest
-import app.priceguard.data.dto.SignUpResult
-import app.priceguard.data.dto.SignUpState
+import app.priceguard.data.dto.SignupRequest
+import app.priceguard.data.dto.SignupResult
+import app.priceguard.data.dto.SignupState
 import app.priceguard.data.network.APIResult
 import app.priceguard.data.network.UserAPI
 import app.priceguard.data.network.getApiResult
 import javax.inject.Inject
 
 class UserRepositoryImpl @Inject constructor(private val userAPI: UserAPI) : UserRepository {
 
-    override suspend fun signUp(email: String, userName: String, password: String): SignUpResult {
+    override suspend fun signUp(email: String, userName: String, password: String): SignupResult {
         val response = getApiResult {
-            userAPI.register(SignUpRequest(email, userName, password))
+            userAPI.register(SignupRequest(email, userName, password))
         }
         when (response) {
             is APIResult.Success -> {
-                return SignUpResult(SignUpState.SUCCESS, response.data)
+                return SignupResult(SignupState.SUCCESS, response.data.accessToken, response.data.refreshToken)
             }
 
             is APIResult.Error -> {
                 return when (response.code) {
                     400 -> {
-                        SignUpResult(SignUpState.INVALID_PARAMETER)
+                        SignupResult(SignupState.INVALID_PARAMETER, null, null)
                     }
 
                     409 -> {
-                        SignUpResult(SignUpState.DUPLICATE_EMAIL)
+                        SignupResult(SignupState.DUPLICATE_EMAIL, null, null)
                     }
 
                     else -> {
-                        SignUpResult(SignUpState.UNDEFINED_ERROR)
+                        SignupResult(SignupState.UNDEFINED_ERROR, null, null)
                     }
                 }
             }
@@ -46,17 +46,17 @@ class UserRepositoryImpl @Inject constructor(private val userAPI: UserAPI) : Use
         }
         when (response) {
             is APIResult.Success -> {
-                return LoginResult(LoginState.SUCCESS, response.data)
+                return LoginResult(LoginState.SUCCESS, response.data.accessToken, response.data.refreshToken)
             }
 
             is APIResult.Error -> {
                 return when (response.code) {
                     400 -> {
-                        LoginResult(LoginState.INVALID_PARAMETER)
+                        LoginResult(LoginState.INVALID_PARAMETER, null, null)
                     }
 
                     else -> {
-                        LoginResult(LoginState.UNDEFINED_ERROR)
+                        LoginResult(LoginState.UNDEFINED_ERROR, null, null)
                     }
                 }
             }

android/app/src/main/java/app/priceguard/ui/login/LoginActivity.kt

@@ -34,7 +34,8 @@ class LoginActivity : AppCompatActivity() {
     private fun initListener() {
         with(binding) {
             btnLoginLogin.setOnClickListener {
-                (binding.btnLoginLogin as MaterialButton).icon = getCircularProgressIndicatorDrawable(this@LoginActivity)
+                (binding.btnLoginLogin as MaterialButton).icon =
+                    getCircularProgressIndicatorDrawable(this@LoginActivity)
             }
             btnLoginSignup.setOnClickListener {
                 gotoSignUp()
@@ -47,7 +48,8 @@ class LoginActivity : AppCompatActivity() {
             loginViewModel.event.collect { eventType ->
                 when (eventType) {
                     LoginEvent.LoginStart -> {
-                        (binding.btnLoginLogin as MaterialButton).icon = getCircularProgressIndicatorDrawable(this@LoginActivity)
+                        (binding.btnLoginLogin as MaterialButton).icon =
+                            getCircularProgressIndicatorDrawable(this@LoginActivity)
                     }
 
                     else -> {
@@ -72,8 +74,8 @@ class LoginActivity : AppCompatActivity() {
                 showDialog(getString(R.string.login_fail), getString(R.string.login_fail_message))
             }
 
-            is LoginEvent.LoginSuccess -> {
-                gotoHome()
+            is LoginEvent.LoginInfoSaved -> {
+                gotoHomeActivity()
             }
 
             else -> {}
@@ -93,7 +95,7 @@ class LoginActivity : AppCompatActivity() {
         startActivity(Intent(this, SignupActivity::class.java))
     }
 
-    private fun gotoHome() {
+    private fun gotoHomeActivity() {
         val intent = Intent(this, MainActivity::class.java)
         intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
         startActivity(intent)

android/app/src/main/java/app/priceguard/ui/login/LoginViewModel.kt

@@ -3,8 +3,8 @@ package app.priceguard.ui.login
 import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import app.priceguard.data.dto.LoginResponse
 import app.priceguard.data.dto.LoginState
+import app.priceguard.data.repository.TokenRepository
 import app.priceguard.data.repository.UserRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
@@ -18,7 +18,8 @@ import kotlinx.coroutines.launch
 
 @HiltViewModel
 class LoginViewModel @Inject constructor(
-    private val userRepository: UserRepository
+    private val userRepository: UserRepository,
+    private val tokenRepository: TokenRepository
 ) : ViewModel() {
 
     data class State(
@@ -31,8 +32,9 @@ class LoginViewModel @Inject constructor(
     sealed class LoginEvent {
         data object LoginStart : LoginEvent()
         data object Invalid : LoginEvent()
-        data class LoginSuccess(val response: LoginResponse?) : LoginEvent()
+        data class LoginSuccess(val accessToken: String, val refreshToken: String) : LoginEvent()
         data class LoginFailure(val status: LoginState) : LoginEvent()
+        data object LoginInfoSaved : LoginEvent()
     }
 
     private val emailPattern =
@@ -62,35 +64,55 @@ class LoginViewModel @Inject constructor(
         }
 
         viewModelScope.launch {
-            _state.value = _state.value.copy(isLoading = true)
+            setLoading(true)
             sendLoginEvent(LoginEvent.LoginStart)
 
-            if (checkEmailAndPassword()) {
-                val result = userRepository.login(_state.value.email, _state.value.password)
+            if (!checkEmailAndPassword()) {
+                sendLoginEvent(LoginEvent.Invalid)
+                setLoading(false)
+                return@launch
+            }
 
-                when (result.loginState) {
-                    LoginState.SUCCESS -> {
-                        _state.value = _state.value.copy(isLoginFinished = true)
-                        sendLoginEvent(
-                            LoginEvent.LoginSuccess(result.loginResponse)
-                        )
-                    }
+            val result = userRepository.login(_state.value.email, _state.value.password)
+
+            if (result.accessToken == null || result.refreshToken == null) {
+                sendLoginEvent(LoginEvent.LoginFailure(result.loginState))
+                setLoading(false)
+                return@launch
+            }
 
-                    else -> {
-                        sendLoginEvent(LoginEvent.LoginFailure(result.loginState))
-                    }
+            when (result.loginState) {
+                LoginState.SUCCESS -> {
+                    setLoginFinished(true)
+                    sendLoginEvent(LoginEvent.LoginSuccess(result.accessToken, result.refreshToken))
+                    saveTokens(result.accessToken, result.refreshToken)
+                    sendLoginEvent(LoginEvent.LoginInfoSaved)
+                }
+
+                else -> {
+                    sendLoginEvent(LoginEvent.LoginFailure(result.loginState))
                 }
-            } else {
-                sendLoginEvent(LoginEvent.Invalid)
             }
-            _state.value = _state.value.copy(isLoading = false)
+            setLoading(false)
         }
     }
 
+    private suspend fun saveTokens(accessToken: String, refreshToken: String) {
+        tokenRepository.storeTokens(accessToken, refreshToken)
+    }
+
     private suspend fun sendLoginEvent(event: LoginEvent) {
         _event.emit(event)
     }
 
+    private fun setLoading(isLoading: Boolean) {
+        _state.value = _state.value.copy(isLoading = isLoading)
+    }
+
+    private fun setLoginFinished(finished: Boolean) {
+        _state.value = _state.value.copy(isLoginFinished = finished)
+    }
+
     private fun checkEmailAndPassword(): Boolean {
         return emailPattern.matchEntire(_state.value.email) != null && passwordPattern.matchEntire(
             _state.value.password

android/app/src/main/java/app/priceguard/ui/signup/SignupActivity.kt

@@ -8,7 +8,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.widget.NestedScrollView
 import androidx.databinding.DataBindingUtil
 import app.priceguard.R
-import app.priceguard.data.dto.SignUpState
+import app.priceguard.data.dto.SignupState
 import app.priceguard.databinding.ActivitySignupBinding
 import app.priceguard.ui.main.MainActivity
 import app.priceguard.ui.signup.SignupViewModel.SignupEvent
@@ -73,42 +73,40 @@ class SignupActivity : AppCompatActivity() {
 
             is SignupEvent.SignupSuccess -> {
                 (binding.btnSignupSignup as MaterialButton).icon = null
-                val response = event.response
-
-                if (response == null) {
-                    showDialog(getString(R.string.error), getString(R.string.undefined_error))
-                } else {
-                    // TODO: DataStore에 저장하기
-                    val intent = Intent(this, MainActivity::class.java)
-                    intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
-                    startActivity(intent)
-
-                    // TODO: 뒤에 액티비티 스택 다 날리기
-                    finish()
-                }
             }
 
             is SignupEvent.SignupFailure -> {
                 (binding.btnSignupSignup as MaterialButton).icon = null
                 when (event.errorState) {
-                    SignUpState.INVALID_PARAMETER -> {
+                    SignupState.INVALID_PARAMETER -> {
                         showDialog(getString(R.string.error), getString(R.string.invalid_parameter))
                     }
 
-                    SignUpState.DUPLICATE_EMAIL -> {
+                    SignupState.DUPLICATE_EMAIL -> {
                         showDialog(getString(R.string.error), getString(R.string.duplicate_email))
                     }
 
-                    SignUpState.UNDEFINED_ERROR -> {
+                    SignupState.UNDEFINED_ERROR -> {
                         showDialog(getString(R.string.error), getString(R.string.undefined_error))
                     }
 
                     else -> {}
                 }
             }
+
+            SignupEvent.SignupInfoSaved -> {
+                gotoHomeActivity()
+            }
         }
     }
 
+    private fun gotoHomeActivity() {
+        val intent = Intent(this, MainActivity::class.java)
+        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+        startActivity(intent)
+        finish()
+    }
+
     private fun setNavigationButton() {
         binding.mtSignupTopbar.setNavigationOnClickListener {
             finish()