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OpenAIService.cs
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OpenAIService.cs
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using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using OpenAI.EndpointProviders;
using OpenAI.Interfaces;
namespace OpenAI.Managers;
public partial class OpenAIService : IOpenAIService, IDisposable
{
private readonly bool _disposeHttpClient;
private readonly IOpenAiEndpointProvider _endpointProvider;
private readonly HttpClient _httpClient;
private string? _defaultModelId;
[ActivatorUtilitiesConstructor]
public OpenAIService(IOptions<OpenAiOptions> settings, HttpClient httpClient)
: this(settings.Value, httpClient)
{
}
public OpenAIService(OpenAiOptions settings, HttpClient? httpClient = null)
{
settings.Validate();
if (httpClient == null)
{
_disposeHttpClient = true;
_httpClient = new HttpClient();
}
else
{
_httpClient = httpClient;
}
_httpClient.BaseAddress = new Uri(settings.BaseDomain);
switch (settings.ProviderType)
{
case ProviderType.Azure:
_httpClient.DefaultRequestHeaders.Add("api-key", settings.ApiKey);
break;
case ProviderType.OpenAi:
default:
_httpClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {settings.ApiKey}");
if (settings.UseBeta)
{
_httpClient.DefaultRequestHeaders.Add("OpenAI-Beta", settings.Assistants);
}
break;
}
if (!string.IsNullOrEmpty(settings.Organization))
{
_httpClient.DefaultRequestHeaders.Add("OpenAI-Organization", $"{settings.Organization}");
}
_endpointProvider = settings.ProviderType switch
{
ProviderType.Azure => new AzureOpenAiEndpointProvider(settings.ApiVersion, settings.DeploymentId!),
_ => new OpenAiEndpointProvider(settings.ApiVersion)
};
_defaultModelId = settings.DefaultModelId;
}
/// <summary>
/// Method to dispose the HttpContext if created internally.
/// </summary>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <inheritdoc />
public IModelService Models => this;
/// <inheritdoc />
public ICompletionService Completions => this;
/// <inheritdoc />
public IEmbeddingService Embeddings => this;
/// <inheritdoc />
public IFileService Files => this;
/// <inheritdoc />
public IFineTuneService FineTunes => this;
/// <inheritdoc />
public IFineTuningJobService FineTuningJob => this;
/// <inheritdoc />
public IModerationService Moderation => this;
/// <inheritdoc />
public IImageService Image => this;
/// <inheritdoc />
public IEditService Edit => this;
/// <inheritdoc />
public IChatCompletionService ChatCompletion => this;
/// <inheritdoc />
public IAudioService Audio => this;
/// <inheritdoc />
public IBatchService Batch => this;
/// <inheritdoc />
public IBetaService Beta => this;
/// <summary>
/// Sets default Model Id
/// </summary>
/// <param name="modelId"></param>
public void SetDefaultModelId(string modelId)
{
_defaultModelId = modelId;
}
/// <summary>
/// Get default Model Id
/// </summary>
/// <returns></returns>
public string? GetDefaultModelId()
{
return _defaultModelId;
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (_disposeHttpClient && _httpClient != null)
{
_httpClient.Dispose();
}
}
}
}