commonMain.com.xebia.functional.openai.errors.ResponseSerializerErrors.kt Maven / Gradle / Ivy

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Building applications with LLMs through composability in Kotlin

There is a newer version: 0.0.5-alpha.118

package com.xebia.functional.openai.errors

import io.ktor.client.call.*
import io.ktor.client.statement.*
import io.ktor.http.content.*

suspend inline fun  HttpResponse.serializeOrThrowWithResponseInfo(): A =
  try {
    this.body() ?: throwResponseSerializerError(title = "Response body is null")
  } catch (e: Exception) {
    throwResponseSerializerError(
      title = "Failed to serialize response body to ${A::class.simpleName}",
      cause = e
    )
  }

suspend fun HttpResponse.throwResponseSerializerError(
  title: String,
  cause: Throwable? = null
): Nothing {
  val errorInfo =
    ResponseErrorInfo(
      requestUrl = this.request.url.toString(),
      requestMethod = this.request.method.value,
      requestBody = extractRequestBody(this),
      responseStatus = this.status.value,
      responseHeaders = this.headers.toString(),
      responseBody = this.bodyAsText()
    )

  val message =
    """
    |$title
    |Request URL: ${errorInfo.requestUrl}
    |Request Method: ${errorInfo.requestMethod}
    |Request Body: ${errorInfo.requestBody}
    |Response Status: ${errorInfo.responseStatus}
    |Response Headers: ${errorInfo.responseHeaders}
    |Response Body: ${errorInfo.responseBody}
  """
      .trimMargin()

  throw ResponseSerializerError(message, cause, errorInfo)
}

private fun extractRequestBody(response: HttpResponse): String {
  return when (val content = response.request.content) {
    is OutgoingContent.ByteArrayContent -> content.bytes().decodeToString()
    is OutgoingContent.NoContent -> "NoContent"
    is OutgoingContent.ProtocolUpgrade -> "ProtocolUpgrade"
    is OutgoingContent.ReadChannelContent -> "ReadChannelContent"
    is OutgoingContent.WriteChannelContent -> "WriteChannelContent"
    else -> "UnknownContent"
  }
}