feat: Bundle raw response with UnknownError when available

Author: haroldadmin

src/main/kotlin/com/haroldadmin/cnradapter/NetworkResponse.kt

@@ -123,12 +123,27 @@ public sealed interface NetworkResponse<S, E> {
      * (e.g. Serialization errors)
      */
     public data class UnknownError<S, E>(
-        public override val error: Throwable
+        public override val error: Throwable,
+        public val response: Response<*>?
     ) : Error<S, E> {
         /**
          * Always `null` for an [UnknownError]
          */
         override val body: E? = null
+
+        /**
+         * The status code returned by the server.
+         *
+         * Alias for [Response.code] of the original response
+         */
+        public val code: Int? = response?.code()
+
+        /**
+         * The headers returned by the server.
+         *
+         * Alias for [Response.headers] of the original response
+         */
+        public val headers: Headers? = response?.headers()
     }
 }
 

src/main/kotlin/com/haroldadmin/cnradapter/ResponseParser.kt

@@ -48,7 +48,7 @@ private fun <S, E> parseUnsuccessfulResponse(
         val convertedBody = errorConverter.convert(errorBody)
         NetworkResponse.ServerError(convertedBody, response)
     } catch (error: Throwable) {
-        NetworkResponse.UnknownError(error)
+        NetworkResponse.UnknownError(error, response)
     }
 }
 
@@ -98,6 +98,6 @@ internal fun <S, E> Throwable.asNetworkResponse(
                 response.asNetworkResponse(successType, errorConverter) as NetworkResponse<S, E>
             }
         }
-        else -> NetworkResponse.UnknownError(this)
+        else -> NetworkResponse.UnknownError(this, null)
     }
 }