WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

internal/middleware/error_handler.go

@@ -0,0 +1,48 @@
+package middleware
+
+import (
+	stderrors "errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/Tencent/WeKnora/internal/errors"
+)
+
+// ErrorHandler 是一个处理应用错误的中间件
+func ErrorHandler() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// 处理请求
+		c.Next()
+
+		// 检查是否有错误
+		if len(c.Errors) > 0 && !c.Writer.Written() {
+			// 获取最后一个错误
+			err := c.Errors.Last().Err
+
+			// 检查是否为应用错误
+			var appErr *errors.AppError
+			if stderrors.As(err, &appErr) && appErr.HTTPCode >= 400 && appErr.HTTPCode <= 599 {
+				// 返回应用错误
+				c.JSON(appErr.HTTPCode, gin.H{
+					"success": false,
+					"error": gin.H{
+						"code":    appErr.Code,
+						"message": appErr.Message,
+						"details": appErr.Details,
+					},
+				})
+				return
+			}
+
+			// 处理其他类型的错误
+			c.JSON(http.StatusInternalServerError, gin.H{
+				"success": false,
+				"error": gin.H{
+					"code":    errors.ErrInternalServer,
+					"message": "Internal server error",
+				},
+			})
+		}
+	}
+}