inital

FasdDesktopUi/Basics/Services/Models/TicketOverviewCountsChangedEventArgs.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+
+namespace FasdDesktopUi.Basics.Services.Models
+{
+    public sealed class TicketOverviewCountsChangedEventArgs : EventArgs
+    {
+        public TicketOverviewCountsChangedEventArgs(IReadOnlyList<TileCountChange> changes, IReadOnlyDictionary<string, TileCounts> currentCounts)
+        {
+            Changes = changes;
+            CurrentCounts = currentCounts;
+        }
+
+        public IReadOnlyList<TileCountChange> Changes { get; }
+
+        public IReadOnlyDictionary<string, TileCounts> CurrentCounts { get; }
+    }
+
+    public readonly struct TileCountChange
+    {
+        public TileCountChange(string key, TileScope scope, int oldCount, int newCount)
+        {
+            Key = key;
+            Scope = scope;
+            OldCount = oldCount;
+            NewCount = newCount;
+        }
+
+        public string Key { get; }
+
+        public TileScope Scope { get; }
+
+        public int OldCount { get; }
+
+        public int NewCount { get; }
+
+        public int Delta => NewCount - OldCount;
+    }
+
+    public readonly struct TileCounts
+    {
+        public static TileCounts Empty => new TileCounts(0, 0);
+
+        public TileCounts(int personal, int role)
+        {
+            Personal = personal;
+            Role = role;
+        }
+
+        public int Personal { get; }
+
+        public int Role { get; }
+    }
+
+    public enum TileScope
+    {
+        Personal,
+        Role
+    }
+}