chore: remove helper & util subpackage for relay

relay/controller/validator/validation.go

@@ -0,0 +1,37 @@
+package validator
+
+import (
+	"errors"
+	"github.com/songquanpeng/one-api/relay/model"
+	"github.com/songquanpeng/one-api/relay/relaymode"
+	"math"
+)
+
+func ValidateTextRequest(textRequest *model.GeneralOpenAIRequest, relayMode int) error {
+	if textRequest.MaxTokens < 0 || textRequest.MaxTokens > math.MaxInt32/2 {
+		return errors.New("max_tokens is invalid")
+	}
+	if textRequest.Model == "" {
+		return errors.New("model is required")
+	}
+	switch relayMode {
+	case relaymode.Completions:
+		if textRequest.Prompt == "" {
+			return errors.New("field prompt is required")
+		}
+	case relaymode.ChatCompletions:
+		if textRequest.Messages == nil || len(textRequest.Messages) == 0 {
+			return errors.New("field messages is required")
+		}
+	case relaymode.Embeddings:
+	case relaymode.Moderations:
+		if textRequest.Input == "" {
+			return errors.New("field input is required")
+		}
+	case relaymode.Edits:
+		if textRequest.Instruction == "" {
+			return errors.New("field instruction is required")
+		}
+	}
+	return nil
+}