Function executeChatCompletionsRequest

apps/sim/providers/azure-openai/index.ts:55–586

* Executes a request using the chat completions API. * Used when the endpoint URL indicates chat completions.

(
  request: ProviderRequest,
  azureEndpoint: string,
  azureApiVersion: string,
  deploymentName: string,
  pinnedFetch?: typeof fetch
)

 * Used when the endpoint URL indicates chat completions.
 */
async function executeChatCompletionsRequest(
  request: ProviderRequest,
  azureEndpoint: string,
  azureApiVersion: string,
  deploymentName: string,
  pinnedFetch?: typeof fetch
): Promise<ProviderResponse | StreamingExecution> {
  logger.info('Using Azure OpenAI Chat Completions API', {
    model: request.model,
    endpoint: azureEndpoint,
    deploymentName,
    apiVersion: azureApiVersion,
    hasSystemPrompt: !!request.systemPrompt,
    hasMessages: !!request.messages?.length,
    hasTools: !!request.tools?.length,
    toolCount: request.tools?.length || 0,
    hasResponseFormat: !!request.responseFormat,
    stream: !!request.stream,
  })

  const azureOpenAI = new AzureOpenAI({
    apiKey: request.apiKey!,
    apiVersion: azureApiVersion,
    endpoint: azureEndpoint,
    ...(pinnedFetch ? { fetch: pinnedFetch } : {}),
  })

  const allMessages: ChatCompletionMessageParam[] = []

  if (request.systemPrompt) {
    allMessages.push({
      role: 'system',
      content: request.systemPrompt,
    })
  }

  if (request.context) {
    allMessages.push({
      role: 'user',
      content: request.context,
    })
  }

  if (request.messages) {
    for (const message of request.messages) {
      if (!message.files?.length || message.role !== 'user') {
        allMessages.push(message as ChatCompletionMessageParam)
        continue
      }

      const attachments = prepareProviderAttachments(message.files, 'azure-openai')
      const nonImage = attachments.find((a) => a.contentType !== 'image')
      if (nonImage) {
        throw new Error(
          `File "${nonImage.filename}" (${nonImage.mimeType}) requires the Azure OpenAI Responses API endpoint; chat-completions deployments support images only`
        )
      }