[FEATURE] #14 : Auth DataSource 구현 및 로그인 로직 구현

core/network/src/main/java/com/wap/wapp/core/network/source/auth/AuthDataSource.kt

@@ -0,0 +1,15 @@
+package com.wap.wapp.core.network.source.auth
+
+import com.wap.wapp.core.network.model.auth.SignUpRequest
+
+interface AuthDataSource {
+    suspend fun hasPendingResult(): Boolean
+
+    suspend fun signIn(email: String): Result<String>
+
+    suspend fun signUp(signUpRequest: SignUpRequest): Result<Unit>
+
+    suspend fun signOut(): Result<Unit>
+
+    suspend fun resign(): Result<Unit>
+}

core/network/src/main/java/com/wap/wapp/core/network/source/auth/AuthDataSourceImpl.kt

@@ -0,0 +1,46 @@
+package com.wap.wapp.core.network.source.auth
+
+import android.app.Activity
+import android.content.Context
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.auth.OAuthProvider
+import com.wap.wapp.core.network.model.auth.SignUpRequest
+import com.wap.wapp.core.network.utils.await
+import dagger.hilt.android.qualifiers.ActivityContext
+import javax.inject.Inject
+
+class AuthDataSourceImpl @Inject constructor(
+    private val firebaseAuth: FirebaseAuth,
+    @ActivityContext private val context: Context
+): AuthDataSource {
+    override suspend fun hasPendingResult(): Boolean {
+        return firebaseAuth.pendingAuthResult != null
+    }
+
+    override suspend fun signIn(email: String): Result<String> {
+        return runCatching {
+            val provider = OAuthProvider.newBuilder("github.com")
+            provider.addCustomParameter("login", email)
+
+            val activityContext = context as Activity
+
+            val result = firebaseAuth.startActivityForSignInWithProvider(
+                activityContext, provider.build()
+            ).await()
+
+            checkNotNull(result.user).uid
+        }
+    }
+
+    override suspend fun signUp(signUpRequest: SignUpRequest): Result<Unit> {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun signOut(): Result<Unit> {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun resign(): Result<Unit> {
+        TODO("Not yet implemented")
+    }
+}