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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,98 +1,92 @@ | ||
| using System.Collections.Generic; | ||
| using System.Collections.Immutable; | ||
| using System.IO; | ||
| using System.Net.Http; | ||
| using System.Net.Http.Json; | ||
| using System.Text; | ||
| using System.Text.Json; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using BotNet.Services.Json; | ||
| using BotNet.Services.OpenAI.Models; | ||
| using Microsoft.Extensions.Options; | ||
| using RG.Ninja; | ||
|
|
||
| namespace BotNet.Services.OpenAI { | ||
| public class OpenAIClient { | ||
| private const string COMPLETION_URL_TEMPLATE = "https://api.openai.com/v1/engines/{0}/completions"; | ||
| private const string CHAT_URL = "https://api.openai.com/v1/chat/completions"; | ||
| private static readonly JsonSerializerOptions JSON_SERIALIZER_OPTIONS = new() { | ||
| PropertyNamingPolicy = new SnakeCaseNamingPolicy() | ||
| }; | ||
| private readonly HttpClient _httpClient; | ||
| private readonly string _apiKey; | ||
|
|
||
| public OpenAIClient( | ||
| HttpClient httpClient, | ||
| IOptions<OpenAIOptions> openAIOptionsAccessor | ||
| ) { | ||
| _httpClient = httpClient; | ||
| _apiKey = openAIOptionsAccessor.Value.ApiKey!; | ||
| } | ||
|
|
||
| public async Task<string> AutocompleteAsync(string engine, string prompt, string[]? stop, int maxTokens, double frequencyPenalty, double presencePenalty, double temperature, double topP, CancellationToken cancellationToken) { | ||
| using HttpRequestMessage request = new(HttpMethod.Post, string.Format(COMPLETION_URL_TEMPLATE, engine)) { | ||
| Headers = { | ||
| { "Authorization", $"Bearer {_apiKey}" }, | ||
| { "Accept", "text/event-stream" } | ||
| }, | ||
| Content = JsonContent.Create( | ||
| inputValue: new { | ||
| Prompt = prompt, | ||
| Temperature = temperature, | ||
| MaxTokens = maxTokens, | ||
| Stream = true, | ||
| TopP = topP, | ||
| FrequencyPenalty = frequencyPenalty, | ||
| PresencePenalty = presencePenalty, | ||
| Stop = stop | ||
| }, | ||
| options: JSON_SERIALIZER_OPTIONS | ||
| ) | ||
| }; | ||
| using HttpResponseMessage response = await _httpClient.SendAsync(request, cancellationToken); | ||
| response.EnsureSuccessStatusCode(); | ||
|
|
||
| StringBuilder result = new(); | ||
| using Stream stream = await response.Content.ReadAsStreamAsync(cancellationToken); | ||
| using StreamReader streamReader = new(stream); | ||
| while (!streamReader.EndOfStream) { | ||
| string? line = await streamReader.ReadLineAsync(); | ||
| if (line == null) break; | ||
| if (line == "") continue; | ||
| if (!line.StartsWith("data: ", out string? json)) break; | ||
| if (json == "[DONE]") break; | ||
| CompletionResult? completionResult = JsonSerializer.Deserialize<CompletionResult>(json, JSON_SERIALIZER_OPTIONS); | ||
| if (completionResult == null) break; | ||
| if (completionResult.Choices.Count == 0) break; | ||
| result.Append(completionResult.Choices[0].Text); | ||
| if (completionResult.Choices[0].FinishReason == "stop") break; | ||
| } | ||
|
|
||
| return result.ToString(); | ||
| } | ||
|
|
||
| public async Task<string> ChatAsync(string model, IEnumerable<ChatMessage> messages, int maxTokens, CancellationToken cancellationToken) { | ||
| using HttpRequestMessage request = new(HttpMethod.Post, CHAT_URL) { | ||
| Headers = { | ||
| { "Authorization", $"Bearer {_apiKey}" }, | ||
| }, | ||
| Content = JsonContent.Create( | ||
| inputValue: new { | ||
| Model = model, | ||
| MaxTokens = maxTokens, | ||
| Messages = messages | ||
| }, | ||
| options: JSON_SERIALIZER_OPTIONS | ||
| ) | ||
| }; | ||
| using HttpResponseMessage response = await _httpClient.SendAsync(request, cancellationToken); | ||
| response.EnsureSuccessStatusCode(); | ||
|
|
||
| CompletionResult? completionResult = await response.Content.ReadFromJsonAsync<CompletionResult>(JSON_SERIALIZER_OPTIONS, cancellationToken); | ||
| if (completionResult == null) return ""; | ||
| if (completionResult.Choices.Count == 0) return ""; | ||
| return completionResult.Choices[0].Message?.Content!; | ||
| } | ||
| } | ||
| } | ||
| using System.IO; | ||
| using System.Net.Http; | ||
| using System.Net.Http.Json; | ||
| using System.Text; | ||
| using System.Text.Json; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using BotNet.Services.Json; | ||
| using BotNet.Services.OpenAI.Models; | ||
| using Microsoft.Extensions.Options; | ||
| using RG.Ninja; | ||
|
|
||
| namespace BotNet.Services.OpenAI { | ||
| public class OpenAIClient( | ||
| HttpClient httpClient, | ||
| IOptions<OpenAIOptions> openAIOptionsAccessor | ||
| ) { | ||
| private const string COMPLETION_URL_TEMPLATE = "https://api.openai.com/v1/engines/{0}/completions"; | ||
| private const string CHAT_URL = "https://api.openai.com/v1/chat/completions"; | ||
| private static readonly JsonSerializerOptions JSON_SERIALIZER_OPTIONS = new() { | ||
| PropertyNamingPolicy = new SnakeCaseNamingPolicy() | ||
| }; | ||
| private readonly HttpClient _httpClient = httpClient; | ||
| private readonly string _apiKey = openAIOptionsAccessor.Value.ApiKey!; | ||
|
|
||
| public async Task<string> AutocompleteAsync(string engine, string prompt, string[]? stop, int maxTokens, double frequencyPenalty, double presencePenalty, double temperature, double topP, CancellationToken cancellationToken) { | ||
| using HttpRequestMessage request = new(HttpMethod.Post, string.Format(COMPLETION_URL_TEMPLATE, engine)) { | ||
| Headers = { | ||
| { "Authorization", $"Bearer {_apiKey}" }, | ||
| { "Accept", "text/event-stream" } | ||
| }, | ||
| Content = JsonContent.Create( | ||
| inputValue: new { | ||
| Prompt = prompt, | ||
| Temperature = temperature, | ||
| MaxTokens = maxTokens, | ||
| Stream = true, | ||
| TopP = topP, | ||
| FrequencyPenalty = frequencyPenalty, | ||
| PresencePenalty = presencePenalty, | ||
| Stop = stop | ||
| }, | ||
| options: JSON_SERIALIZER_OPTIONS | ||
| ) | ||
| }; | ||
| using HttpResponseMessage response = await _httpClient.SendAsync(request, cancellationToken); | ||
| response.EnsureSuccessStatusCode(); | ||
|
|
||
| StringBuilder result = new(); | ||
| using Stream stream = await response.Content.ReadAsStreamAsync(cancellationToken); | ||
| using StreamReader streamReader = new(stream); | ||
| while (!streamReader.EndOfStream) { | ||
| string? line = await streamReader.ReadLineAsync(cancellationToken); | ||
| if (line == null) break; | ||
| if (line == "") continue; | ||
| if (!line.StartsWith("data: ", out string? json)) break; | ||
| if (json == "[DONE]") break; | ||
| CompletionResult? completionResult = JsonSerializer.Deserialize<CompletionResult>(json, JSON_SERIALIZER_OPTIONS); | ||
| if (completionResult == null) break; | ||
| if (completionResult.Choices.Count == 0) break; | ||
| result.Append(completionResult.Choices[0].Text); | ||
| if (completionResult.Choices[0].FinishReason == "stop") break; | ||
| } | ||
|
|
||
| return result.ToString(); | ||
| } | ||
|
|
||
| public async Task<string> ChatAsync(string model, IEnumerable<ChatMessage> messages, int maxTokens, CancellationToken cancellationToken) { | ||
| using HttpRequestMessage request = new(HttpMethod.Post, CHAT_URL) { | ||
| Headers = { | ||
| { "Authorization", $"Bearer {_apiKey}" }, | ||
| }, | ||
| Content = JsonContent.Create( | ||
| inputValue: new { | ||
| Model = model, | ||
| MaxTokens = maxTokens, | ||
| Messages = messages | ||
| }, | ||
| options: JSON_SERIALIZER_OPTIONS | ||
| ) | ||
| }; | ||
| using HttpResponseMessage response = await _httpClient.SendAsync(request, cancellationToken); | ||
| response.EnsureSuccessStatusCode(); | ||
|
|
||
| CompletionResult? completionResult = await response.Content.ReadFromJsonAsync<CompletionResult>(JSON_SERIALIZER_OPTIONS, cancellationToken); | ||
| if (completionResult == null) return ""; | ||
| if (completionResult.Choices.Count == 0) return ""; | ||
| return completionResult.Choices[0].Message?.Content!; | ||
| } | ||
| } | ||
| } |
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