feature/#150: kakao login 적용

Author: vvan2

app/src/main/java/com/paw/key/presentation/ui/login/LoginScreen.kt

@@ -27,6 +27,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
@@ -143,12 +144,18 @@ fun LoginScreen(
                 Image(
                     painter = painterResource(R.drawable.img_login_sub),
                     contentDescription = stringResource(R.string.ic_login_sub_image),
+                    contentScale = ContentScale.Crop,
                 )
 
                 LoginSocialButton(
                     logo = R.drawable.ic_login_kakao,
                     loginText = stringResource(R.string.ic_login_kakao),
-                    onClick = {},
+                    onClick = {
+                        viewModel.onKakaoSignIn(
+                            context = context,
+                            onSuccess = navigateHome
+                        )
+                    },
                     modifier = Modifier
                         .background(
                             shape = RoundedCornerShape(12.dp),

app/src/main/java/com/paw/key/presentation/ui/login/viewmodel/LoginViewModel.kt

@@ -50,6 +50,28 @@ class LoginViewModel @Inject constructor(
         }
     }
 
+    fun onKakaoSignIn(
+        context: Context,
+        onSuccess: () -> Unit,
+    ) {
+        viewModelScope.launch {
+            authRepository.signInWithKakao(context)
+                .onSuccess { accessToken ->
+                    val deviceId = getDeviceId(context)
+                    authRepository.loginKakao(accessToken, deviceId)
+                        .onSuccess { response ->
+                            onSuccess()
+                        }
+                        .onFailure { e ->
+                            Timber.e(e, "Full stack trace:")
+                        }
+                }
+                .onFailure { e ->
+                    Timber.e("[KAKAO_VM] Step 2: SDK login FAILED")
+                }
+        }
+    }
+
     private fun getDeviceId(context: Context): String {
         return android.provider.Settings.Secure.getString(
             context.contentResolver,