create transactions from AI receipt image recognition results

pkg/llm/large_language_model_provider_container.go

@@ -0,0 +1,45 @@
+package llm
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+// LargeLanguageModelProviderContainer contains the current large language model provider
+type LargeLanguageModelProviderContainer struct {
+	current LargeLanguageModelProvider
+}
+
+// Initialize a large language model provider container singleton instance
+var (
+	Container = &LargeLanguageModelProviderContainer{}
+)
+
+// InitializeLargeLanguageModelProvider initializes the current large language model provider according to the config
+func InitializeLargeLanguageModelProvider(config *settings.Config) error {
+	if config.LLMProvider == settings.OpenAILLMProvider {
+		Container.current = NewOpenAILargeLanguageModelProvider(config)
+		return nil
+	} else if config.LLMProvider == settings.OpenAICompatibleLLMProvider {
+		Container.current = NewOpenAICompatibleLargeLanguageModelProvider(config)
+		return nil
+	} else if config.LLMProvider == settings.OpenRouterLLMProvider {
+		Container.current = NewOpenRouterLargeLanguageModelProvider(config)
+		return nil
+	} else if config.LLMProvider == settings.OllamaLLMProvider {
+		Container.current = NewOllamaLargeLanguageModelProvider(config)
+		return nil
+	}
+
+	return errs.ErrInvalidLLMProvider
+}
+
+// GetJsonResponseByReceiptImageRecognitionModel returns the json response from the current large language model provider by receipt image recognition model
+func (l *LargeLanguageModelProviderContainer) GetJsonResponseByReceiptImageRecognitionModel(c core.Context, uid int64, currentConfig *settings.Config, request *LargeLanguageModelRequest) (*LargeLanguageModelTextualResponse, error) {
+	if Container.current == nil {
+		return nil, errs.ErrInvalidLLMProvider
+	}
+
+	return l.current.GetJsonResponseByReceiptImageRecognitionModel(c, uid, currentConfig, request)
+}