Admin notes (#7259)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Shared/Administration/Notes/AdminNotesEuiState.cs

@@ -0,0 +1,66 @@
+using Content.Shared.Eui;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Administration.Notes;
+
+[Serializable, NetSerializable]
+public sealed class AdminNotesEuiState : EuiStateBase
+{
+    public AdminNotesEuiState(string notedPlayerName, Dictionary<int, SharedAdminNote> notes, bool canCreate, bool canDelete, bool canEdit)
+    {
+        NotedPlayerName = notedPlayerName;
+        Notes = notes;
+        CanCreate = canCreate;
+        CanDelete = canDelete;
+        CanEdit = canEdit;
+    }
+
+    public string NotedPlayerName { get; }
+    public Dictionary<int, SharedAdminNote> Notes { get; }
+    public bool CanCreate { get; }
+    public bool CanDelete { get; }
+    public bool CanEdit { get; }
+}
+
+public static class AdminNoteEuiMsg
+{
+    [Serializable, NetSerializable]
+    public sealed class Close : EuiMessageBase
+    {
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class CreateNoteRequest : EuiMessageBase
+    {
+        public CreateNoteRequest(string message)
+        {
+            Message = message;
+        }
+
+        public string Message { get; set; }
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class DeleteNoteRequest : EuiMessageBase
+    {
+        public DeleteNoteRequest(int id)
+        {
+            Id = id;
+        }
+
+        public int Id { get; set; }
+    }
+
+    [Serializable, NetSerializable]
+    public sealed class EditNoteRequest : EuiMessageBase
+    {
+        public EditNoteRequest(int id, string message)
+        {
+            Id = id;
+            Message = message;
+        }
+
+        public int Id { get; set; }
+        public string Message { get; set; }
+    }
+}