Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/api/common/response/ApiResponseCallDelegate.kt

@@ -33,12 +33,8 @@ internal class ApiResponseCallDelegate<T : Any>(
         }
 
         override fun onFailure(call: Call<T>, t: Throwable) {
-            val e = if (t.isNetworkException()) {
-                ApiResponseError.NetworkException
-            } else {
-                ApiResponseError.UnknownException(t)
-            }
-            val safeResponse = apiError<T>(e)
+            val error = t.toApiError()
+            val safeResponse = apiError<T>(error)
 
             responseCallback.onResponse(this@ApiResponseCallDelegate, Response.success(safeResponse))
         }

core/datasource/src/main/java/com/tangem/datasource/api/common/response/ApiResponseError.kt

@@ -73,7 +73,10 @@ sealed class ApiResponseError : Exception() {
     }
 
     /** Represents a network error, typically when there's no connectivity. */
-    object NetworkException : ApiResponseError()
+    data object NetworkException : ApiResponseError()
+
+    /** Represents a timeout error, typically when the server takes too long to respond. */
+    data object TimeoutException : ApiResponseError()
 
     /**
      * Represents an unexpected exception that doesn't fall into one of the other categories.

core/datasource/src/main/java/com/tangem/datasource/api/common/response/ResponseExt.kt

@@ -1,8 +1,11 @@
 package com.tangem.datasource.api.common.response
 
+import kotlinx.coroutines.TimeoutCancellationException
 import retrofit2.Response
 import java.net.ConnectException
+import java.net.SocketTimeoutException
 import java.net.UnknownHostException
+import java.util.concurrent.TimeoutException
 import javax.net.ssl.SSLHandshakeException
 
 internal fun <T : Any> Response<T>.toSafeApiResponse(): ApiResponse<T> {
@@ -23,10 +26,14 @@ internal fun <T : Any> Response<T>.toSafeApiResponse(): ApiResponse<T> {
     }
 }
 
-internal fun Throwable.isNetworkException(): Boolean = when (this) {
+internal fun Throwable.toApiError(): ApiResponseError = when (this) {
     is ConnectException,
     is UnknownHostException,
     is SSLHandshakeException,
-    -> true
-    else -> false
+    -> ApiResponseError.NetworkException
+    is TimeoutException,
+    is TimeoutCancellationException,
+    is SocketTimeoutException,
+    -> ApiResponseError.TimeoutException
+    else -> ApiResponseError.UnknownException(cause = this)
 }