feat: 初步重构完成

controller/model.go

@@ -3,6 +3,7 @@ package controller
 import (
 	"fmt"
 	"github.com/gin-gonic/gin"
+	"one-api/dto"
 )
 
 // https://platform.openai.com/docs/api-reference/models/list
@@ -639,7 +640,7 @@ func RetrieveModel(c *gin.Context) {
 	if model, ok := openAIModelsMap[modelId]; ok {
 		c.JSON(200, model)
 	} else {
-		openAIError := OpenAIError{
+		openAIError := dto.OpenAIError{
 			Message: fmt.Sprintf("The model '%s' does not exist", modelId),
 			Type:    "invalid_request_error",
 			Param:   "model",