Stuff and things

PartSource.Data/Contexts/PartSourceContext.cs

@@ -2,9 +2,10 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Metadata.Internal;
+using PartSource.Data.Converters;
 using PartSource.Data.Models;
 
-namespace PartSource.Data
+namespace PartSource.Data.Contexts
 {
     public class PartSourceContext : DbContext
     {
@@ -29,6 +30,8 @@ namespace PartSource.Data
 
         public DbSet<Part> Parts { get; set; }
 
+        public DbSet<ShopifyChangelog> ShopifyChangelogs { get; set; }
+
         public DbSet<Vehicle> Vehicles { get; set; }
         
         public DbSet<PartsAvailability> PartAvailabilities { get; set; }
@@ -55,11 +58,18 @@ namespace PartSource.Data
 
             modelBuilder.Entity<PartsAvailability>().HasKey(p => new { p.Store, p.SKU });
 
+            modelBuilder.Entity<ShopifyChangelog>()
+                .Property(s => s.ResourceType)
+                .HasConversion(new TypeToStringConverter());
+
+            modelBuilder.Entity<ShopifyChangelog>()
+                .Property(s => s.Data)
+                .HasConversion(new ObjectToJsonConverter());
+
             foreach (IMutableEntityType entityType in modelBuilder.Model.GetEntityTypes())
             {
                 entityType.Relational().TableName = entityType.ClrType.Name;
             }
-
         }
 
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)

PartSource.Data/Converters/ObjectToJsonConverter.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace PartSource.Data.Converters
+{
+    public class ObjectToJsonConverter : ValueConverter<object, string>
+    {
+        private static readonly JsonSerializerSettings _serializerSettings = new JsonSerializerSettings()
+        {
+            NullValueHandling = NullValueHandling.Ignore,
+            ContractResolver = new DefaultContractResolver()
+            {
+                NamingStrategy = new SnakeCaseNamingStrategy()
+            }
+        };
+
+        public ObjectToJsonConverter() : base(ObjectToJson, JsonToObject) { }
+
+        public static Expression<Func<string, object>> JsonToObject = value => JsonConvert.DeserializeObject(value, _serializerSettings);
+        public static Expression<Func<object, string>> ObjectToJson = value => JsonConvert.SerializeObject(value, _serializerSettings);
+    }
+}

PartSource.Data/Converters/TypeToStringConverter.cs

@@ -0,0 +1,16 @@
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace PartSource.Data.Converters
+{
+    public class TypeToStringConverter : ValueConverter<Type, string>
+    {
+        public TypeToStringConverter() : base(TypeToString, StringToType) { }
+
+        public static Expression<Func<string, Type>> StringToType = value => Type.GetType(value);
+        public static Expression<Func<Type, string>> TypeToString = value => value.AssemblyQualifiedName;
+    }
+}

PartSource.Data/Migrations/20190811020941_ImportDateDcfMapping.Designer.cs

@@ -1,15 +1,14 @@
 // <auto-generated />
-using System;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-using PartSource.Data;
+using PartSource.Data.Contexts;
+using System;
 
 namespace PartSource.Data.Migrations
 {
-    [DbContext(typeof(PartSourceContext))]
+	[DbContext(typeof(PartSourceContext))]
     [Migration("20190811020941_ImportDateDcfMapping")]
     partial class ImportDateDcfMapping
     {

PartSource.Data/Migrations/PartSourceContextModelSnapshot.cs

@@ -5,6 +5,7 @@ using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using PartSource.Data;
+using PartSource.Data.Contexts;
 
 namespace PartSource.Data.Migrations
 {

PartSource.Data/Models/ShopifyChangelog.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PartSource.Data.Models
+{
+	public class ShopifyChangelog
+	{
+		public int Id { get; set; }
+
+		public Type ResourceType { get; set; }
+		
+		public long ShopifyId { get; set; }
+
+		public DateTime Timestamp { get; set; }
+
+		public object Data { get; set; }
+	}
+}