manta/gofaster/backend/internal/shared/middleware/permission_middleware.go

package middleware

import (
	"net/http"

	"gofaster/internal/auth/repository"

	"github.com/gin-gonic/gin"
	"gorm.io/gorm"
)

var permRepo *repository.PermissionRepo

// 初始化权限仓库(可以在main.go中调用)
func InitPermissionMiddleware(db *gorm.DB) {
	permRepo = repository.NewPermissionRepo(db)
}

func PermissionMiddleware(permission string) gin.HandlerFunc {
	return func(c *gin.Context) {
		userID, exists := c.Get("user_id")
		if !exists {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "未认证"})
			return
		}

		// 检查用户是否有该权限
		hasPerm := permRepo.CheckUserPermission(userID.(uint), permission)
		if !hasPerm {
			c.AbortWithStatusJSON(http.StatusForbidden, gin.H{"error": "没有权限"})
			return
		}

		c.Next()
	}
}