Initial commit: Lagerbestand Blazor Projekt

Lagerbestand/Models/KanbanTaskComment.cs

@@ -0,0 +1,45 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Lagerbestand.Models;
+
+/// <summary>
+/// Type of comment (chat message or system activity)
+/// </summary>
+public enum KanbanCommentType
+{
+    Chat = 0,
+    Activity = 1
+}
+
+/// <summary>
+/// Represents a chat message or activity log entry on a Kanban task
+/// </summary>
+public class KanbanTaskComment
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public Guid TaskId { get; set; }
+
+    /// <summary>
+    /// User who created the comment (null for system activities)
+    /// </summary>
+    public Guid? UserId { get; set; }
+
+    [Required]
+    public string Content { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Whether this is a chat message or system activity
+    /// </summary>
+    public KanbanCommentType CommentType { get; set; } = KanbanCommentType.Chat;
+
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    // Navigation properties
+    public virtual KanbanTask? Task { get; set; }
+    public virtual AppUser? User { get; set; }
+
+    // Computed properties
+    public bool IsActivity => CommentType == KanbanCommentType.Activity;
+    public bool IsChat => CommentType == KanbanCommentType.Chat;
+}