OpenAIHttpClientHandler.cs


using System;

internal class OpenAIHttpClientHandler : HttpClientHandler
{
    private string _uri;
    private Uri _completionsUri;
    private Uri _embeddingsUri;

    public OpenAIHttpClientHandler(string uri)
    {
        _uri = uri.TrimEnd('/');
        _completionsUri=new Uri($"{_uri}/v1/chat/completions");
        _embeddingsUri=new Uri($"{_uri}/v1/embeddings");
    }

    protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
    {
        if (request.RequestUri?.LocalPath == "/v1/chat/completions")
        {
            
            request.RequestUri =_completionsUri;
        }
        else if (request.RequestUri?.LocalPath == "/v1/embeddings")
        {
            request.RequestUri = _embeddingsUri;
        }
        
        var result = await base.SendAsync(request, cancellationToken);
        return result;
    }
}