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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| namespace AIStudio.Provider.Fireworks; | ||
|
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| /// <summary> | ||
| /// The Fireworks chat request model. | ||
| /// </summary> | ||
| /// <param name="Model">Which model to use for chat completion.</param> | ||
| /// <param name="Messages">The chat messages.</param> | ||
| /// <param name="Stream">Whether to stream the chat completion.</param> | ||
| public readonly record struct ChatRequest( | ||
| string Model, | ||
| IList<Message> Messages, | ||
| bool Stream | ||
| ); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| namespace AIStudio.Provider.Fireworks; | ||
|
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| /// <summary> | ||
| /// Chat message model. | ||
| /// </summary> | ||
| /// <param name="Content">The text content of the message.</param> | ||
| /// <param name="Role">The role of the message.</param> | ||
| public readonly record struct Message(string Content, string Role); |
160 changes: 160 additions & 0 deletions
160
app/MindWork AI Studio/Provider/Fireworks/ProviderFireworks.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| using System.Net.Http.Headers; | ||
| using System.Runtime.CompilerServices; | ||
| using System.Text; | ||
| using System.Text.Json; | ||
|
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| using AIStudio.Chat; | ||
| using AIStudio.Settings; | ||
|
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| namespace AIStudio.Provider.Fireworks; | ||
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| public class ProviderFireworks() : BaseProvider("https://api.fireworks.ai/inference/v1/"), IProvider | ||
| { | ||
| private static readonly JsonSerializerOptions JSON_SERIALIZER_OPTIONS = new() | ||
| { | ||
| PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower, | ||
| }; | ||
|
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| #region Implementation of IProvider | ||
|
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| /// <inheritdoc /> | ||
| public string Id => "Fireworks.ai"; | ||
|
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| /// <inheritdoc /> | ||
| public string InstanceName { get; set; } = "Fireworks.ai"; | ||
|
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| /// <inheritdoc /> | ||
| public async IAsyncEnumerable<string> StreamChatCompletion(IJSRuntime jsRuntime, SettingsManager settings, Model chatModel, ChatThread chatThread, [EnumeratorCancellation] CancellationToken token = default) | ||
| { | ||
| // Get the API key: | ||
| var requestedSecret = await settings.GetAPIKey(jsRuntime, this); | ||
| if(!requestedSecret.Success) | ||
| yield break; | ||
|
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| // Prepare the system prompt: | ||
| var systemPrompt = new Message | ||
| { | ||
| Role = "system", | ||
| Content = chatThread.SystemPrompt, | ||
| }; | ||
|
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| // Prepare the Fireworks HTTP chat request: | ||
| var fireworksChatRequest = JsonSerializer.Serialize(new ChatRequest | ||
| { | ||
| Model = chatModel.Id, | ||
|
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| // Build the messages: | ||
| // - First of all the system prompt | ||
| // - Then none-empty user and AI messages | ||
| Messages = [systemPrompt, ..chatThread.Blocks.Where(n => n.ContentType is ContentType.TEXT && !string.IsNullOrWhiteSpace((n.Content as ContentText)?.Text)).Select(n => new Message | ||
| { | ||
| Role = n.Role switch | ||
| { | ||
| ChatRole.USER => "user", | ||
| ChatRole.AI => "assistant", | ||
| ChatRole.SYSTEM => "system", | ||
|
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| _ => "user", | ||
| }, | ||
|
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| Content = n.Content switch | ||
| { | ||
| ContentText text => text.Text, | ||
| _ => string.Empty, | ||
| } | ||
| }).ToList()], | ||
|
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| // Right now, we only support streaming completions: | ||
| Stream = true, | ||
| }, JSON_SERIALIZER_OPTIONS); | ||
|
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| // Build the HTTP post request: | ||
| var request = new HttpRequestMessage(HttpMethod.Post, "chat/completions"); | ||
|
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| // Set the authorization header: | ||
| request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", requestedSecret.Secret); | ||
|
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| // Set the content: | ||
| request.Content = new StringContent(fireworksChatRequest, Encoding.UTF8, "application/json"); | ||
|
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| // Send the request with the ResponseHeadersRead option. | ||
| // This allows us to read the stream as soon as the headers are received. | ||
| // This is important because we want to stream the responses. | ||
| var response = await this.httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, token); | ||
|
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| // Open the response stream: | ||
| var fireworksStream = await response.Content.ReadAsStreamAsync(token); | ||
|
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| // Add a stream reader to read the stream, line by line: | ||
| var streamReader = new StreamReader(fireworksStream); | ||
|
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| // Read the stream, line by line: | ||
| while(!streamReader.EndOfStream) | ||
| { | ||
| // Check if the token is canceled: | ||
| if(token.IsCancellationRequested) | ||
| yield break; | ||
|
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| // Read the next line: | ||
| var line = await streamReader.ReadLineAsync(token); | ||
|
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| // Skip empty lines: | ||
| if(string.IsNullOrWhiteSpace(line)) | ||
| continue; | ||
|
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| // Skip lines that do not start with "data: ". Regard | ||
| // to the specification, we only want to read the data lines: | ||
| if(!line.StartsWith("data: ", StringComparison.InvariantCulture)) | ||
| continue; | ||
|
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| // Check if the line is the end of the stream: | ||
| if (line.StartsWith("data: [DONE]", StringComparison.InvariantCulture)) | ||
| yield break; | ||
|
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| ResponseStreamLine fireworksResponse; | ||
| try | ||
| { | ||
| // We know that the line starts with "data: ". Hence, we can | ||
| // skip the first 6 characters to get the JSON data after that. | ||
| var jsonData = line[6..]; | ||
|
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| // Deserialize the JSON data: | ||
| fireworksResponse = JsonSerializer.Deserialize<ResponseStreamLine>(jsonData, JSON_SERIALIZER_OPTIONS); | ||
| } | ||
| catch | ||
| { | ||
| // Skip invalid JSON data: | ||
| continue; | ||
| } | ||
|
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| // Skip empty responses: | ||
| if(fireworksResponse == default || fireworksResponse.Choices.Count == 0) | ||
| continue; | ||
|
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| // Yield the response: | ||
| yield return fireworksResponse.Choices[0].Delta.Content; | ||
| } | ||
| } | ||
|
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| #pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously | ||
| /// <inheritdoc /> | ||
| public async IAsyncEnumerable<ImageURL> StreamImageCompletion(IJSRuntime jsRuntime, SettingsManager settings, Model imageModel, string promptPositive, string promptNegative = FilterOperator.String.Empty, ImageURL referenceImageURL = default, [EnumeratorCancellation] CancellationToken token = default) | ||
| { | ||
| yield break; | ||
| } | ||
| #pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously | ||
|
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| /// <inheritdoc /> | ||
| public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default) | ||
| { | ||
| return Task.FromResult(Enumerable.Empty<Model>()); | ||
| } | ||
|
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| /// <inheritdoc /> | ||
| public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default) | ||
| { | ||
| return Task.FromResult(Enumerable.Empty<Model>()); | ||
| } | ||
|
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| #endregion | ||
| } |
24 changes: 24 additions & 0 deletions
24
app/MindWork AI Studio/Provider/Fireworks/ResponseStreamLine.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| namespace AIStudio.Provider.Fireworks; | ||
|
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| /// <summary> | ||
| /// Data model for a line in the response stream, for streaming completions. | ||
| /// </summary> | ||
| /// <param name="Id">The id of the response.</param> | ||
| /// <param name="Object">The object describing the response.</param> | ||
| /// <param name="Created">The timestamp of the response.</param> | ||
| /// <param name="Model">The model used for the response.</param> | ||
| /// <param name="Choices">The choices made by the AI.</param> | ||
| public readonly record struct ResponseStreamLine(string Id, string Object, uint Created, string Model, IList<Choice> Choices); | ||
|
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| /// <summary> | ||
| /// Data model for a choice made by the AI. | ||
| /// </summary> | ||
| /// <param name="Index">The index of the choice.</param> | ||
| /// <param name="Delta">The delta text of the choice.</param> | ||
| public readonly record struct Choice(int Index, Delta Delta); | ||
|
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| /// <summary> | ||
| /// The delta text of a choice. | ||
| /// </summary> | ||
| /// <param name="Content">The content of the delta text.</param> | ||
| public readonly record struct Delta(string Content); |
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