unit tests and pkg version commits

src/isnd/Data/Catalog/Commit.cs

@@ -1,6 +1,8 @@
 using System;
+using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Newtonsoft.Json;
 
 namespace isnd.Data.Catalog
 {
@@ -12,21 +14,25 @@ namespace isnd.Data.Catalog
 
     public class Commit : IObject
     {
-        [Key][Required,DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        [Key,
+        DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        [JsonIgnore]
         public long Id { get; set; }
 
-        [Required]
+        [Required][JsonIgnore]
         public DateTime TimeStamp{ get; set; }
 
         [Required]
         public PackageAction Action { get; set; }
 
-        [Required]
-        public string PackageVersionId { get; set; }
-        [ForeignKey("PackageVersionId")]
-
-        public virtual PackageVersion PackageVersion{ get; set; }
+        [NotMapped]
         public string CommitId { get => Id.ToString(); }
+
+        [NotMapped]
         public DateTime CommitTimeStamp { get => TimeStamp; }
+
+        [ForeignKey("CommitNId")]
+
+        public virtual List<PackageVersion> Versions { get; set; }
     }
 }

src/isnd/Data/Catalog/PackageRef.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations.Schema;
 using Newtonsoft.Json;
 
 namespace isnd.Data.Catalog
@@ -38,6 +39,9 @@ namespace isnd.Data.Catalog
         [JsonProperty("nuget:version")]
         public string Version { get; set; }
         public string CommitId { get; set; }
+
+        [ForeignKey("CommitId")]
+        public virtual Commit LastCommit { get; set; }
         public DateTime CommitTimeStamp { get; set; }
     }
 }