feat: system manager.

middleware/system_admin.go

@@ -0,0 +1,31 @@
+package middleware
+
+import (
+	"hr_receiver/models"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func RequireSuperAdmin() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		roleValue, exists := c.Get("role")
+		if !exists {
+			c.JSON(http.StatusForbidden, gin.H{"error": "missing user role"})
+			c.Abort()
+			return
+		}
+		role, ok := roleValue.(models.UserRole)
+		if !ok {
+			c.JSON(http.StatusForbidden, gin.H{"error": "invalid user role"})
+			c.Abort()
+			return
+		}
+		if role != models.UserRoleSuperAdmin {
+			c.JSON(http.StatusForbidden, gin.H{"error": "super admin required"})
+			c.Abort()
+			return
+		}
+		c.Next()
+	}
+}