...

1 files changed, 30 insertions, 3 deletions

diff --git a/BackEnd/Timeline/Services/UserPermissionService.cs b/BackEnd/Timeline/Services/UserPermissionService.cs
index 9683000a..bd7cd6aa 100644
--- a/BackEnd/Timeline/Services/UserPermissionService.cs
+++ b/BackEnd/Timeline/Services/UserPermissionService.cs
@@ -28,7 +28,7 @@ namespace Timeline.Services
     /// <summary>

     /// Represents a user's permissions.

     /// </summary>

-    public class UserPermissions : IEnumerable<UserPermission>

+    public class UserPermissions : IEnumerable<UserPermission>, IEquatable<UserPermissions>

     {

         public static UserPermissions AllPermissions { get; } = new UserPermissions(Enum.GetValues<UserPermission>());

 

@@ -49,10 +49,10 @@ namespace Timeline.Services
         public UserPermissions(IEnumerable<UserPermission> permissions)

         {

             if (permissions == null) throw new ArgumentNullException(nameof(permissions));

-            _permissions = new HashSet<UserPermission>(permissions);

+            _permissions = new SortedSet<UserPermission>(permissions);

         }

 

-        private readonly HashSet<UserPermission> _permissions = new();

+        private readonly SortedSet<UserPermission> _permissions = new();

 

         /// <summary>

         /// Check if a permission is contained in the list.

@@ -108,6 +108,33 @@ namespace Timeline.Services
         {

             return ((IEnumerable)_permissions).GetEnumerator();

         }

+

+        public bool Equals(UserPermissions? other)

+        {

+            if (other == null)

+                return false;

+

+            return _permissions.SequenceEqual(other._permissions);

+        }

+

+        public override bool Equals(object? obj)

+        {

+            return Equals(obj as UserPermissions);

+        }

+

+        public override int GetHashCode()

+        {

+            int result = 0;

+            foreach (var permission in Enum.GetValues<UserPermission>())

+            {

+                if (_permissions.Contains(permission))

+                {

+                    result += 1;

+                }

+                result <<= 1;

+            }

+            return result;

+        }

     }

 

     public interface IUserPermissionService