40 lines
1.4 KiB
C#
40 lines
1.4 KiB
C#
namespace BotSharp.Plugin.KnowledgeBase.Functions;
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public class KnowledgeRetrievalFn : IFunctionCallback
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{
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public string Name => "knowledge_retrieval";
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private readonly IServiceProvider _services;
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private readonly KnowledgeBaseSettings _settings;
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public KnowledgeRetrievalFn(IServiceProvider services, KnowledgeBaseSettings settings)
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{
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_services = services;
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_settings = settings;
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}
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public async Task<bool> Execute(RoleDialogModel message)
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{
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var args = JsonSerializer.Deserialize<ExtractedKnowledge>(message.FunctionArgs ?? "{}");
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var embedding = _services.GetServices<ITextEmbedding>().FirstOrDefault(x => x.Provider == _settings.TextEmbedding.Provider);
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embedding.SetModelName(_settings.TextEmbedding.Model);
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var vector = await embedding.GetVectorAsync(args.Question);
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var vectorDb = _services.GetRequiredService<IVectorDb>();
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var knowledges = await vectorDb.Search(KnowledgeCollectionName.BotSharp, vector, new List<string> { KnowledgePayloadName.Answer });
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if (!knowledges.IsNullOrEmpty())
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{
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message.Content = string.Join("\r\n\r\n=====\r\n", knowledges);
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}
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else
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{
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message.Content = $"I didn't find any useful knowledge related to [{args.Question}]. \r\nCan you tell me the instruction and I'll memorize it.";
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message.StopCompletion = true;
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}
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return true;
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}
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}
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