1 files changed, 55 insertions, 0 deletions
diff --git a/CoreWiki/Models/Comment.cs b/CoreWiki/Models/Comment.cs
new file mode 100644
index 0000000..4f1026a
--- /dev/null
+++ b/CoreWiki/Models/Comment.cs
@@ -0,0 +1,55 @@
+using System.Buffers.Text;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Security.Cryptography;
+using System.Text;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.VisualBasic;
+using NodaTime;
+using NodaTime.Extensions;
+
+namespace CoreWiki.Models;
+
+public class Comment
+{
+    public int Id { get; set; }
+    [Required]
+    public int ArticleId { get; set; }
+    [Required]
+    [DisplayName("Display Name")]
+    public string? DisplayName { get; set; }
+    [Required]
+    [DataType(DataType.EmailAddress)]
+    [DisplayName("E-Mail")]
+    public string? EMail { get; set; }
+    [NotMapped]
+    public string? GravatarHash
+    {
+        get
+        {
+            if (EMail == null)
+            {
+                return null;
+            }
+            var normalizedEmail = EMail.Trim().ToLower();
+            var bytes = SHA256.HashData(Encoding.UTF8.GetBytes(normalizedEmail));
+            return BitConverter.ToString(bytes).Replace("-", "").ToLower();
+        }
+    }
+    [Required]
+    public string? Content { get; set; }
+    [NotMapped]
+    public Instant Submitted { get; set; }
+    [Obsolete("This property only exists for EF-serialization purposes")]
+    [DataType(DataType.DateTime)]
+    [Column("Submitted")]
+    public DateTime SubmittedDateTime
+    {
+        get => Submitted.ToDateTimeUtc();
+        // TODO: Remove this ugly hack
+        set => Submitted = DateTime.SpecifyKind(value, DateTimeKind.Utc).ToInstant();
+    }
+    
+    public required Article Article { get; set; }
+}
+\ No newline at end of file