Initial version

DataTransfer.Client/Services/ChatEntry.cs

@@ -0,0 +1,36 @@
+namespace DataTransfer.Client.Services;
+
+public enum ChatEntryKind
+{
+    Incoming,
+    Outgoing,
+    System
+}
+
+public sealed class ChatEntry
+{
+    public DateTimeOffset Time { get; } = DateTimeOffset.Now;
+
+    public bool IsFile => FileName is not null;
+
+    public bool IsTransferring => IsFile && Error is null && TransferredBytes < FileSize;
+
+    public int ProgressPercent => FileSize == 0 ? 100 : (int)(TransferredBytes * 100 / FileSize);
+    public required ChatEntryKind Kind { get; init; }
+
+    public string? Text { get; init; }
+
+    public string? FileName { get; init; }
+
+    public long FileSize { get; init; }
+
+    public long TransferredBytes { get; set; }
+
+    /// <summary>Object URL of a completely received and decrypted file.</summary>
+    public string? DownloadUrl { get; set; }
+
+    /// <summary>A received file whose type can run code or is often used for malware or phishing.</summary>
+    public bool IsRiskyFile { get; init; }
+
+    public string? Error { get; set; }
+}