Merge pull request #26 from minseonglove/feature/#8

Feature: #8 로그인 화면 구현

.github/workflows/ucmcCI.yml

@@ -22,6 +22,10 @@ jobs:
         run: chmod +x gradlew
       - name: Create google-service
         run: echo '${{ secrets.GOOGLE_SERVICES_JSON }}' > ./data/google-services.json
+      - name: Create data dir
+        run: mkdir ./presentation/src/main/java/com/gta/presentation/secret
+      - name: Create Secrets
+        run: echo '${{ secrets.CONSTANTS }}' > ./presentation/src/main/java/com/gta/presentation/secret/Secrets.kt
       - name: Build with Gradle
         run: ./gradlew build
       - name: Build Signed APK

.gitignore

@@ -88,3 +88,4 @@ lint/tmp/
 
 # Mac
 *.DS_Store
+/presentation/src/main/java/com/gta/presentation/secret/Secrets.kt

presentation/build.gradle

@@ -43,6 +43,11 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.5.1'
     implementation 'com.google.android.material:material:1.7.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.shobhitpuri.custombuttons:google-signin:1.1.0'
+
+    implementation platform('com.google.firebase:firebase-bom:31.0.2')
+    implementation 'com.google.firebase:firebase-auth-ktx'
+    implementation 'com.google.android.gms:play-services-auth:20.3.0'
 
     // Test
     testImplementation 'junit:junit:4.13.2'

presentation/src/main/AndroidManifest.xml

@@ -3,7 +3,7 @@
 
     <application>
         <activity
-            android:name=".ui.LoginActivity"
+            android:name=".ui.login.LoginActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -22,4 +22,4 @@
         </activity>
     </application>
 
-</manifest>
+</manifest>

presentation/src/main/java/com/gta/presentation/di/FirebaseAuthModule.kt

@@ -0,0 +1,20 @@
+package com.gta.presentation.di
+
+import com.google.firebase.auth.FirebaseAuth
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import java.util.Locale
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object FirebaseAuthModule {
+
+    @Singleton
+    @Provides
+    fun provideFirebaseAuth() = FirebaseAuth.getInstance().apply {
+        setLanguageCode(Locale.getDefault().language)
+    }
+}

presentation/src/main/java/com/gta/presentation/di/FirebaseSigninModule.kt

@@ -0,0 +1,26 @@
+package com.gta.presentation.di
+
+import android.content.Context
+import com.google.android.gms.auth.api.signin.GoogleSignIn
+import com.google.android.gms.auth.api.signin.GoogleSignInOptions
+import com.gta.presentation.secret.FIREBASE_CLIENT_ID
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.components.ActivityComponent
+import dagger.hilt.android.qualifiers.ActivityContext
+
+@Module
+@InstallIn(ActivityComponent::class)
+class FirebaseSigninModule {
+    @Provides
+    fun provideGoogleSignInOptions() = GoogleSignInOptions
+        .Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+        .requestIdToken(FIREBASE_CLIENT_ID)
+        .requestEmail()
+        .build()
+
+    @Provides
+    fun provideGoogleSignInClient(@ActivityContext context: Context, options: GoogleSignInOptions) =
+        GoogleSignIn.getClient(context, options)
+}

presentation/src/main/java/com/gta/presentation/ui/login/LoginActivity.kt

@@ -0,0 +1,76 @@
+package com.gta.presentation.ui.login
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import com.google.android.gms.auth.api.Auth
+import com.google.android.gms.auth.api.signin.GoogleSignInClient
+import com.gta.presentation.databinding.ActivityLoginBinding
+import com.gta.presentation.ui.MainActivity
+import com.gta.presentation.ui.base.BaseActivity
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class LoginActivity : BaseActivity<ActivityLoginBinding>(ActivityLoginBinding::inflate) {
+
+    @Inject
+    lateinit var googleSignInClient: GoogleSignInClient
+
+    private val viewModel: LoginViewModel by viewModels()
+
+    private val requestActivity = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+        if (it.resultCode == RESULT_OK) {
+            val authIntent = it.data ?: return@registerForActivityResult
+            val account = Auth.GoogleSignInApi.getSignInResultFromIntent(authIntent)?.signInAccount
+            viewModel.signinWithToken(account?.idToken)
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        initCollector()
+        binding.btnLoginGoogle.setOnClickListener {
+            googleLogin()
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        viewModel.checkLoginState()
+    }
+
+    private fun initCollector() {
+        lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                viewModel.loginEvent.collectLatest { state ->
+                    /*
+                        로그인에 성공 했다면
+                        1. real time db에 회원정보가 저장되어있는지 확인
+                        2. 있으면 바로 화면 전환
+                        3. 없으면 db에 회원정보 생성 후 화면 전환
+                     */
+                    if (state) {
+                        startMainActivity()
+                    }
+                }
+            }
+        }
+    }
+
+    private fun startMainActivity() {
+        val intent = Intent(this, MainActivity::class.java)
+        startActivity(intent)
+        finish()
+    }
+
+    private fun googleLogin() {
+        requestActivity.launch(googleSignInClient.signInIntent)
+    }
+}

presentation/src/main/java/com/gta/presentation/ui/login/LoginViewModel.kt

@@ -0,0 +1,43 @@
+package com.gta.presentation.ui.login
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.auth.GoogleAuthProvider
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.launch
+import timber.log.Timber
+import javax.inject.Inject
+
+@HiltViewModel
+class LoginViewModel @Inject constructor(
+    private val auth: FirebaseAuth
+) : ViewModel() {
+
+    private val _loginEvent = MutableSharedFlow<Boolean>()
+    val loginEvent: SharedFlow<Boolean> get() = _loginEvent
+
+    fun checkLoginState() {
+        emitLoginEvent(auth.currentUser != null)
+    }
+
+    fun signinWithToken(token: String?) {
+        token ?: return
+        val credential = GoogleAuthProvider.getCredential(token, null)
+        auth.signInWithCredential(credential).addOnCompleteListener { task ->
+            if (task.isSuccessful) {
+                emitLoginEvent(true)
+            } else {
+                Timber.e(task.exception)
+            }
+        }
+    }
+
+    private fun emitLoginEvent(state: Boolean) {
+        viewModelScope.launch {
+            _loginEvent.emit(state)
+        }
+    }
+}

presentation/src/main/res/drawable/ic_logo.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="160dp"
+    android:height="112dp"
+    android:viewportWidth="160"
+    android:viewportHeight="112">
+  <path
+      android:pathData="M136,40H132L104.81,6.01C103.31,4.13 101.4,2.62 99.24,1.58C97.08,0.54 94.71,0 92.31,0H38.83C32.29,0 26.41,3.98 23.98,10.06L12,40.56C5.11,42.35 0,48.55 0,56V84C0,86.21 1.79,88 4,88H16C16,101.25 26.75,112 40,112C53.26,112 64,101.25 64,88H96C96,101.25 106.75,112 120,112C133.26,112 144,101.25 144,88H156C158.21,88 160,86.21 160,84V64C160,50.74 149.26,40 136,40ZM40,100C33.38,100 28,94.62 28,88C28,81.38 33.38,76 40,76C46.62,76 52,81.38 52,88C52,94.62 46.62,100 40,100ZM58,40H29.23L38.83,16H58V40ZM70,40V16H92.31L111.51,40H70ZM120,100C113.38,100 108,94.62 108,88C108,81.38 113.38,76 120,76C126.62,76 132,81.38 132,88C132,94.62 126.62,100 120,100Z"
+      android:fillColor="@color/primaryColor"/>
+</vector>

presentation/src/main/res/layout/activity_login.xml

@@ -4,6 +4,42 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.LoginActivity">
+    tools:context=".ui.login.LoginActivity">
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <ImageView
+        android:id="@+id/iv_login_logo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.3"
+        app:srcCompat="@drawable/ic_logo"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:id="@+id/tv_login_logo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="@string/app_name"
+        android:textColor="@color/primaryColor"
+        android:textSize="@dimen/font_display_small"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="@+id/iv_login_logo"
+        app:layout_constraintStart_toStartOf="@+id/iv_login_logo"
+        app:layout_constraintTop_toBottomOf="@+id/iv_login_logo" />
+
+    <com.shobhitpuri.custombuttons.GoogleSignInButton
+        android:id="@+id/btn_login_google"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="@dimen/padding_extra_large"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tv_login_logo" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>