feat: 完善api错误提示

internal/response/response.go

@@ -2,47 +2,38 @@
 package response
 
 import (
+	app_errors "gpt-load/internal/errors"
 	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
 
-// Response defines the standard JSON response structure.
-type Response struct {
+// SuccessResponse defines the standard JSON success response structure.
+type SuccessResponse struct {
 	Code    int         `json:"code"`
 	Message string      `json:"message"`
 	Data    interface{} `json:"data,omitempty"`
 }
 
+// ErrorResponse defines the standard JSON error response structure.
+type ErrorResponse struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+}
+
 // Success sends a standardized success response.
 func Success(c *gin.Context, data interface{}) {
-	c.JSON(http.StatusOK, Response{
+	c.JSON(http.StatusOK, SuccessResponse{
 		Code:    0,
 		Message: "Success",
 		Data:    data,
 	})
 }
 
-// Error sends a standardized error response.
-func Error(c *gin.Context, code int, message string) {
-	c.JSON(code, Response{
-		Code:    code,
-		Message: message,
-		Data:    nil,
+// Error sends a standardized error response using an APIError.
+func Error(c *gin.Context, apiErr *app_errors.APIError) {
+	c.JSON(apiErr.HTTPStatus, ErrorResponse{
+		Code:    apiErr.Code,
+		Message: apiErr.Message,
 	})
 }
-
-// BadRequest sends a 400 Bad Request error response.
-func BadRequest(c *gin.Context, message string) {
-	Error(c, http.StatusBadRequest, message)
-}
-
-// NotFound sends a 404 Not Found error response.
-func NotFound(c *gin.Context, message string) {
-	Error(c, http.StatusNotFound, message)
-}
-
-// InternalError sends a 500 Internal Server Error response.
-func InternalError(c *gin.Context, message string) {
-	Error(c, http.StatusInternalServerError, message)
-}