Add project files.

Lantean.QBitTorrentClient/Models/FileData.cs

@@ -0,0 +1,52 @@
+using System.Text.Json.Serialization;
+
+namespace Lantean.QBitTorrentClient.Models
+{
+    public record FileData
+    {
+        [JsonConstructor]
+        public FileData(
+            int index,
+            string name,
+            long size,
+            float progress,
+            Priority priority,
+            bool isSeed,
+            IReadOnlyList<int> pieceRange,
+            float availability)
+        {
+            Index = index;
+            Name = name;
+            Size = size;
+            Progress = progress;
+            Priority = priority;
+            IsSeed = isSeed;
+            PieceRange = pieceRange ?? [];
+            Availability = availability;
+        }
+
+        [JsonPropertyName("index")]
+        public int Index { get; }
+
+        [JsonPropertyName("name")]
+        public string Name { get; }
+
+        [JsonPropertyName("size")]
+        public long Size { get; }
+
+        [JsonPropertyName("progress")]
+        public float Progress { get; }
+
+        [JsonPropertyName("priority")]
+        public Priority Priority { get; }
+
+        [JsonPropertyName("is_seed")]
+        public bool IsSeed { get; }
+
+        [JsonPropertyName("piece_range")]
+        public IReadOnlyList<int> PieceRange { get; }
+
+        [JsonPropertyName("availability")]
+        public float Availability { get; }
+    }
+}