Add ProgressReport struct

StabilityMatrix/Models/ProgressReport.cs

@@ -0,0 +1,46 @@
+namespace StabilityMatrix.Models;
+
+public struct ProgressReport
+{
+    /// <summary>
+    /// Progress value as percentage between 0 and 1.
+    /// </summary>
+    public double? Progress { get; init; } = 0;
+    /// <summary>
+    /// Current progress count.
+    /// </summary>
+    public ulong? Current { get; init; } = 0;
+    /// <summary>
+    /// Total progress count.
+    /// </summary>
+    public ulong? Total { get; init; } = 0;
+    public string? Title { get; init; }
+    public string? Message { get; init; }
+    public bool IsIndeterminate { get; init; } = false;
+    
+    public ProgressReport(double progress, string? title = null, string? message = null, bool isIndeterminate = false)
+    {
+        Progress = progress;
+        Title = title;
+        Message = message;
+        IsIndeterminate = isIndeterminate;
+    }
+    
+    public ProgressReport(ulong current, ulong total, string? title = null, string? message = null, bool isIndeterminate = false)
+    {
+        Current = current;
+        Total = total;
+        Progress = (double) current / total;
+        Title = title;
+        Message = message;
+        IsIndeterminate = isIndeterminate;
+    }
+    
+    public ProgressReport(ulong current, string? title = null, string? message = null)
+    {
+        Current = current;
+        Title = title;
+        Message = message;
+        IsIndeterminate = true;
+    }
+}