public async Task DocumentComparison()

in src/AIHub/Controllers/DocumentComparisonController.cs [43:99]
45 lines of code
4 McCabe index (conditional complexity)

    public async Task<IActionResult> DocumentComparison(string[] document_urls, string[] tab_names, string prompt)
    {
        //1. Get Documents
        model.PdfUrl1 = document_urls[0] + sasUri.Query;
        model.PdfUrl2 = document_urls[1] + sasUri.Query;
        ViewBag.PdfUrl1 = document_urls[0] + sasUri.Query;
        ViewBag.PdfUrl2 = document_urls[1] + sasUri.Query;
        model.tabName1= tab_names[0];
        model.tabName2= tab_names[1];

        string[] output_result = new string[2];

        //2. Call Form Recognizer
        for (int i = 0; i < document_urls.Length; i++)
        {
            var client = new DocumentAnalysisClient(new Uri(FormRecogEndpoint), new AzureKeyCredential(FormRecogSubscriptionKey));
            var operation = await client.AnalyzeDocumentFromUriAsync(WaitUntil.Completed, "prebuilt-layout", new Uri(document_urls[i] + sasUri.Query));
            output_result[i] = operation.Value.Content;
        }

        try
        {
            Uri aoaiEndpointUri = new(AOAIendpoint);

            AzureOpenAIClient azureClient = string.IsNullOrEmpty(AOAIsubscriptionKey)
                ? new(aoaiEndpointUri, new DefaultAzureCredential())
                : new(aoaiEndpointUri, new AzureKeyCredential(AOAIsubscriptionKey));

            ChatClient chatClient = azureClient.GetChatClient(AOAIDeploymentName);

            var messages = new ChatMessage[]
            {
                new SystemChatMessage($@"You are specialized in analyze different versions of the same PDF document. The first Document OCR result is: <<<{output_result[0]}>>> and the second Document OCR result is: <<<{output_result[1]}>>>"),
                new UserChatMessage($@"User question: {prompt}"),
            };

            ChatCompletionOptions chatCompletionOptions = new()
            {
                MaxTokens = 1000,
                Temperature = 0.7f,
                FrequencyPenalty = 0,
                PresencePenalty = 0,
                TopP = 0.95f
            };

            ChatCompletion completion = await chatClient.CompleteChatAsync(messages, chatCompletionOptions);

            model.Message = completion.Content[0].Text;
            ViewBag.Message = completion.Content[0].Text;
        }
        catch (RequestFailedException)
        {
            throw;
        }

        return Ok(model);
    }