feat: log shows request conversion

relay/common/request_conversion.go

@@ -0,0 +1,40 @@
+package common
+
+import (
+	"github.com/QuantumNous/new-api/dto"
+	"github.com/QuantumNous/new-api/types"
+)
+
+func GuessRelayFormatFromRequest(req any) (types.RelayFormat, bool) {
+	switch req.(type) {
+	case *dto.GeneralOpenAIRequest, dto.GeneralOpenAIRequest:
+		return types.RelayFormatOpenAI, true
+	case *dto.OpenAIResponsesRequest, dto.OpenAIResponsesRequest:
+		return types.RelayFormatOpenAIResponses, true
+	case *dto.ClaudeRequest, dto.ClaudeRequest:
+		return types.RelayFormatClaude, true
+	case *dto.GeminiChatRequest, dto.GeminiChatRequest:
+		return types.RelayFormatGemini, true
+	case *dto.EmbeddingRequest, dto.EmbeddingRequest:
+		return types.RelayFormatEmbedding, true
+	case *dto.RerankRequest, dto.RerankRequest:
+		return types.RelayFormatRerank, true
+	case *dto.ImageRequest, dto.ImageRequest:
+		return types.RelayFormatOpenAIImage, true
+	case *dto.AudioRequest, dto.AudioRequest:
+		return types.RelayFormatOpenAIAudio, true
+	default:
+		return "", false
+	}
+}
+
+func AppendRequestConversionFromRequest(info *RelayInfo, req any) {
+	if info == nil {
+		return
+	}
+	format, ok := GuessRelayFormatFromRequest(req)
+	if !ok {
+		return
+	}
+	info.AppendRequestConversion(format)
+}