Fixed bug where deletes of artifact groupings would not cascade

OpenArchival.DataAccess/Models/ArtifactEntry.cs

@@ -1,8 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Text;
-using NpgsqlTypes;
-using Persic;
 
 namespace OpenArchival.DataAccess;
 
@@ -11,22 +9,22 @@ public class ArtifactEntry
     [Key]
     [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     public int Id { get; set; }
-    
+
     /// <summary>
     /// This value gets appended on the end of the contianing ArtifactGrouping's 
     /// Category value
     /// </summary>
-    public string? ArtifactIdentifier 
+    public string? ArtifactIdentifier
     {
         get
         {
-            return (ArtifactGrouping is not null) 
-                ? ModelHelpers.MakeIdentifier(ArtifactGrouping.IdentifierFields.Values, ArtifactGrouping.Category.FieldSeparator, ArtifactNumber) 
+            return (ArtifactGrouping is not null)
+                ? ModelHelpers.MakeIdentifier(ArtifactGrouping.IdentifierFields.Values, ArtifactGrouping.Category.FieldSeparator, ArtifactNumber)
                 : null;
         }
     }
 
-    public string? ArtifactNumber { get; set; } 
+    public string? ArtifactNumber { get; set; }
 
     public required string Title { get; set; }
 
@@ -45,7 +43,7 @@ public class ArtifactEntry
     public List<ArtifactDefect>? Defects { get; set; } = [];
 
     public List<string>? Links { get; set; } = [];
-    
+
     public required List<FilePathListing> Files { get; set; } = [];
 
     public string? FileTextContent { get; set; } = null;
@@ -54,6 +52,8 @@ public class ArtifactEntry
 
     public bool IsPubliclyVisible { get; set; }
 
+    public int Quantity { get; set; }
+
 
     // Relationships this artifact has TO other artifacts
     public List<ArtifactEntry> RelatedTo { get; set; } = [];
@@ -61,14 +61,10 @@ public class ArtifactEntry
     // Relationships other artifacts have TO this artifact
     public List<ArtifactEntry> RelatedBy { get; set; } = [];
 
+
     public int ArtifactGroupingId { get; set; }
 
     public required ArtifactGrouping ArtifactGrouping { get; set; }
-    
-    /// <summary>
-    /// For keeping track of how many of this artifact are owned
-    /// </summary>
-    public int Quantity { get; set; }
 
     public override string ToString()
     {