feat: 에러 핸들링 및 공통 UI 처리

core/common/src/main/kotlin/com/ninecraft/booket/core/common/constants/ErrorDialogSpec.kt

@@ -0,0 +1,7 @@
+package com.ninecraft.booket.core.common.constants
+
+data class ErrorDialogSpec(
+    val message: String,
+    val buttonLabel: String,
+    val action: () -> Unit,
+)

core/common/src/main/kotlin/com/ninecraft/booket/core/common/constants/ErrorScope.kt

@@ -0,0 +1,5 @@
+package com.ninecraft.booket.core.common.constants
+
+enum class ErrorScope {
+    GLOBAL, LOGIN, BOOK_REGISTER, RECORD_REGISTER
+}

core/common/src/main/kotlin/com/ninecraft/booket/core/common/event/ErrorEventHelper.kt

@@ -0,0 +1,22 @@
+package com.ninecraft.booket.core.common.event
+
+import com.ninecraft.booket.core.common.constants.ErrorDialogSpec
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.receiveAsFlow
+import java.util.UUID
+
+object ErrorEventHelper {
+    private val _errorEvent = Channel<ErrorEvent>(Channel.BUFFERED)
+    val errorEvent = _errorEvent.receiveAsFlow()
+
+    fun sendError(event: ErrorEvent) {
+        _errorEvent.trySend(event)
+    }
+}
+
+sealed interface ErrorEvent {
+    data class ShowDialog(
+        val spec: ErrorDialogSpec,
+        val key: String = UUID.randomUUID().toString(),
+    ) : ErrorEvent
+}

core/common/src/main/kotlin/com/ninecraft/booket/core/common/utils/HandleException.kt

@@ -1,5 +1,9 @@
 package com.ninecraft.booket.core.common.utils
 
+import com.ninecraft.booket.core.common.constants.ErrorDialogSpec
+import com.ninecraft.booket.core.common.constants.ErrorScope
+import com.ninecraft.booket.core.common.event.ErrorEvent
+import com.ninecraft.booket.core.common.event.ErrorEventHelper
 import com.ninecraft.booket.core.network.response.ErrorResponse
 import com.orhanobut.logger.Logger
 import kotlinx.serialization.SerializationException
@@ -39,6 +43,58 @@ fun handleException(
     }
 }
 
+fun postErrorDialog(
+    errorScope: ErrorScope,
+    exception: Throwable,
+    action: () -> Unit = {},
+) {
+    val spec = buildDialog(
+        scope = errorScope,
+        exception = exception,
+        action = action,
+    )
+
+    ErrorEventHelper.sendError(event = ErrorEvent.ShowDialog(spec))
+}
+
+private fun buildDialog(
+    scope: ErrorScope,
+    exception: Throwable,
+    action: () -> Unit,
+): ErrorDialogSpec {
+    val message = when {
+        exception.isNetworkError() -> {
+            "네트워크 연결이 불안정합니다.\n인터넷 연결을 확인해주세요"
+        }
+
+        exception is HttpException -> {
+            when (scope) {
+                ErrorScope.GLOBAL -> {
+                    "알 수 없는 문제가 발생했어요.\n다시 시도해주세요"
+                }
+
+                ErrorScope.LOGIN -> {
+                    "예기치 않은 오류가 발생했습니다.\n다시 로그인 해주세요."
+                }
+
+                ErrorScope.BOOK_REGISTER -> {
+                    "도서 등록 중 오류가 발생했어요.\n다시 시도해주세요"
+                }
+
+                ErrorScope.RECORD_REGISTER -> {
+                    "기록 저장에 실패했어요.\n다시 시도해주세요"
+                }
+            }
+        }
+
+        else -> {
+            "알 수 없는 문제가 발생했어요.\n다시 시도해주세요"
+        }
+    }
+
+    return ErrorDialogSpec(message = message, buttonLabel = "확인", action = action)
+}
+
 @Suppress("TooGenericExceptionCaught")
 private fun HttpException.parseErrorMessage(): String? {
     return try {
@@ -69,7 +125,7 @@ private fun getHttpErrorMessage(statusCode: Int): String {
     }
 }
 
-private fun Throwable.isNetworkError(): Boolean {
+fun Throwable.isNetworkError(): Boolean {
     return this is UnknownHostException ||
         this is ConnectException ||
         this is SocketTimeoutException ||

core/ui/build.gradle.kts

@@ -12,6 +12,7 @@ android {
 dependencies {
     implementations(
         projects.core.designsystem,
+        projects.core.common,
 
         libs.compose.keyboard.state,
         libs.logger,

core/ui/src/main/kotlin/com/ninecraft/booket/core/ui/component/ReedDialog.kt

@@ -24,10 +24,10 @@ import com.ninecraft.booket.core.designsystem.theme.ReedTheme
 
 @Composable
 fun ReedDialog(
-    title: String,
     confirmButtonText: String,
     onConfirmRequest: () -> Unit,
     modifier: Modifier = Modifier,
+    title: String? = null,
     description: String? = null,
     dismissButtonText: String? = null,
     onDismissRequest: () -> Unit = {},
@@ -63,14 +63,16 @@ fun ReedDialog(
                 it()
                 Spacer(modifier = Modifier.height(ReedTheme.spacing.spacing6))
             }
-            Text(
-                text = title,
-                color = ReedTheme.colors.contentPrimary,
-                textAlign = TextAlign.Center,
-                style = ReedTheme.typography.headline1SemiBold,
-            )
-            description?.let {
+            title?.let {
+                Text(
+                    text = title,
+                    color = ReedTheme.colors.contentPrimary,
+                    textAlign = TextAlign.Center,
+                    style = ReedTheme.typography.headline1SemiBold,
+                )
                 Spacer(modifier = Modifier.height(ReedTheme.spacing.spacing2))
+            }
+            description?.let {
                 Text(
                     text = description,
                     color = ReedTheme.colors.contentSecondary,

core/ui/src/main/kotlin/com/ninecraft/booket/core/ui/component/ReedErrorUi.kt

@@ -0,0 +1,66 @@
+package com.ninecraft.booket.core.ui.component
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import com.ninecraft.booket.core.common.utils.isNetworkError
+import com.ninecraft.booket.core.designsystem.ComponentPreview
+import com.ninecraft.booket.core.designsystem.component.button.ReedButton
+import com.ninecraft.booket.core.designsystem.component.button.ReedButtonColorStyle
+import com.ninecraft.booket.core.designsystem.component.button.mediumButtonStyle
+import com.ninecraft.booket.core.designsystem.theme.ReedTheme
+import com.ninecraft.booket.core.ui.R
+
+@Composable
+fun ReedErrorUi(
+    exception: Throwable,
+    onRetryClick: () -> Unit,
+) {
+    val message = if (exception.isNetworkError()) stringResource(R.string.network_error_message) else stringResource(R.string.server_error_message)
+    Box(
+        modifier = Modifier.fillMaxSize(),
+        contentAlignment = Alignment.Center,
+    ) {
+        Column(horizontalAlignment = Alignment.CenterHorizontally) {
+            Text(
+                text = message,
+                color = ReedTheme.colors.contentSecondary,
+                textAlign = TextAlign.Center,
+                style = ReedTheme.typography.body1Medium,
+            )
+            Spacer(modifier = Modifier.height(ReedTheme.spacing.spacing6))
+            ReedButton(
+                onClick = { onRetryClick() },
+                text = stringResource(R.string.retry),
+                colorStyle = ReedButtonColorStyle.PRIMARY,
+                sizeStyle = mediumButtonStyle,
+            )
+        }
+    }
+}
+
+@ComponentPreview
+@Composable
+private fun ReedNetworkErrorUiPreview() {
+    ReedErrorUi(
+        exception = java.io.IOException("네트워크 오류"),
+        onRetryClick = {},
+    )
+}
+
+@ComponentPreview
+@Composable
+private fun ReedServerErrorUiPreview() {
+    ReedErrorUi(
+        exception = Exception("알 수 없는 문제"),
+        onRetryClick = {},
+    )
+}

core/ui/src/main/res/values/strings.xml

@@ -2,4 +2,6 @@
 <resources>
     <string name="no_more_result">더 이상 결과가 없습니다</string>
     <string name="retry">다시 시도</string>
+    <string name="network_error_message">네트워크 연결이 불안정합니다.\n인터넷 연결을 확인해주세요</string>
+    <string name="server_error_message">알 수 없는 문제가 발생했어요.\n다시 시도해주세요</string>
 </resources>