ollamasharpsktextgeneration.cs

ollamasharpsktextgeneration.cs

//    Copyright (c) 2024
//    Author      : Bruno Capuano
//    Change Log  :
//    - Sample Text Generation Service for Ollama models
//
//    The MIT License (MIT)
//
//    Permission is hereby granted, free of charge, to any person obtaining a copy
//    of this software and associated documentation files (the "Software"), to deal
//    in the Software without restriction, including without limitation the rights
//    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//    copies of the Software, and to permit persons to whom the Software is
//    furnished to do so, subject to the following conditions:
//
//    The above copyright notice and this permission notice shall be included in
//    all copies or substantial portions of the Software.
//
//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//    THE SOFTWARE.

using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.ChatCompletion;
using OllamaSharp;
using OllamaSharp.Models.Chat;

namespace sk_ollamacsharp
{
    public class OllamaTextGenerationService : Microsoft.SemanticKernel.TextGeneration.ITextGenerationService
    {
        // public property for the model url endpoint
        public string ModelUrl { get; set; }
        public string ModelName { get; set; }

        public IReadOnlyDictionary<string, object?> Attributes => throw new NotImplementedException();

        public IAsyncEnumerable<StreamingTextContent> GetStreamingTextContentsAsync(string prompt, PromptExecutionSettings? executionSettings = null, Kernel? kernel = null, CancellationToken cancellationToken = default)
        {
            throw new NotImplementedException();
        }

        public async Task<IReadOnlyList<TextContent>> GetTextContentsAsync(string prompt, PromptExecutionSettings? executionSettings = null, Kernel? kernel = null, CancellationToken cancellationToken = default)
        {
            var ollama = new OllamaApiClient(ModelUrl, ModelName);

            var completionResponse = await ollama.GetCompletion(prompt, null, CancellationToken.None);

            TextContent stc = new TextContent(completionResponse.Response);
            return new List<TextContent> { stc };
        }
    }
}