l_ai_knowledge/internal/application/service/chat_pipline/chat_completion.go

61 lines
1.9 KiB
Go

package chatpipline
import (
"context"
"knowlege-lsxd/internal/logger"
"knowlege-lsxd/internal/types"
"knowlege-lsxd/internal/types/interfaces"
)
// PluginChatCompletion implements chat completion functionality
// as a plugin that can be registered to EventManager
type PluginChatCompletion struct {
modelService interfaces.ModelService // Interface for model operations
}
// NewPluginChatCompletion creates a new PluginChatCompletion instance
// and registers it with the EventManager
func NewPluginChatCompletion(eventManager *EventManager, modelService interfaces.ModelService) *PluginChatCompletion {
res := &PluginChatCompletion{
modelService: modelService,
}
eventManager.Register(res)
return res
}
// ActivationEvents returns the event types this plugin handles
func (p *PluginChatCompletion) ActivationEvents() []types.EventType {
return []types.EventType{types.CHAT_COMPLETION}
}
// OnEvent handles chat completion events
// It prepares the chat model, messages, and calls the model to generate responses
func (p *PluginChatCompletion) OnEvent(
ctx context.Context, eventType types.EventType, chatManage *types.ChatManage, next func() *PluginError,
) *PluginError {
logger.Info(ctx, "Starting chat completion")
// Prepare chat model and options
chatModel, opt, err := prepareChatModel(ctx, p.modelService, chatManage)
if err != nil {
return ErrGetChatModel.WithError(err)
}
// Prepare messages including conversation history
logger.Info(ctx, "Preparing chat messages with history")
chatMessages := prepareMessagesWithHistory(chatManage)
// Call the chat model to generate response
logger.Info(ctx, "Calling chat model")
chatResponse, err := chatModel.Chat(ctx, chatMessages, opt)
if err != nil {
logger.Errorf(ctx, "Failed to call chat model: %v", err)
return ErrModelCall.WithError(err)
}
logger.Info(ctx, "Chat completion successful")
chatManage.ChatResponse = chatResponse
return next()
}