Initial commit - ERP

Managerial/Communication/Chat/Chat.Domain/Entities/UserPresence.cs

@@ -0,0 +1,33 @@
+using Chat.Domain.Enums;
+using System;
+
+namespace Chat.Domain.Entities;
+
+/// <summary>
+/// Represents a user's presence status and connection information for real-time features.
+/// </summary>
+public class UserPresence
+{
+    /// <summary>
+    /// Primary key - the unique identifier of the user.
+    /// </summary>
+    public Guid UserId { get; set; }
+
+    /// <summary>
+    /// The current status of the user (Online, Offline, Away).
+    /// </summary>
+    public UserStatus Status { get; set; } = UserStatus.Offline;
+
+    /// <summary>
+    /// Date and time when the user was last seen.
+    /// </summary>
+    public DateTime LastSeenAt { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// SignalR connection ID for real-time messaging. Can be null if the user is not connected.
+    /// </summary>
+    public string? ConnectionId { get; set; }
+
+    // Navigation property (to User entity when it exists)
+    // public User User { get; set; }
+}