Add RawJObject getter to StripeEntity

src/Stripe.net/Entities/_base/StripeEntity.cs

@@ -4,11 +4,51 @@ namespace Stripe
     using System.Reflection;
     using System.Runtime.CompilerServices;
     using Newtonsoft.Json;
+    using Newtonsoft.Json.Linq;
     using Stripe.Infrastructure;
 
     [JsonObject(MemberSerialization.OptIn)]
     public abstract class StripeEntity : IStripeEntity
     {
+        [JsonIgnore]
+        private JObject rawJObject;
+
+        /// <summary>
+        /// Gets the raw <see cref="JObject">JObject</see> exposed by the Newtonsoft.Json library.
+        /// This can be used to access properties that are not directly exposed by Stripe's .NET
+        /// library.
+        /// </summary>
+        /// <remarks>
+        /// You should always prefer using the standard property accessors whenever possible. This
+        /// accessor is not considered fully stable and might change or be removed in future
+        /// versions.
+        /// </remarks>
+        /// <returns>The raw <see cref="JObject">JObject</see>.</returns>
+        [JsonIgnore]
+        public JObject RawJObject
+        {
+            get
+            {
+                // Lazily initialize the object the first time the getter is called.
+                if (this.rawJObject == null)
+                {
+                    if (this.StripeResponse == null)
+                    {
+                        return null;
+                    }
+
+                    this.rawJObject = JObject.Parse(this.StripeResponse.Content);
+                }
+
+                return this.rawJObject;
+            }
+
+            protected set
+            {
+                this.rawJObject = value;
+            }
+        }
+
         [JsonIgnore]
         public StripeResponse StripeResponse { get; set; }
 

src/StripeTests/Entities/_base/StripeEntityTest.cs

@@ -5,8 +5,14 @@ namespace StripeTests
     using Stripe.Infrastructure;
     using Xunit;
 
-    public class StripeEntityTest
+    public class StripeEntityTest : BaseStripeTest
     {
+        public StripeEntityTest(
+            StripeMockFixture stripeMockFixture)
+            : base(stripeMockFixture)
+        {
+        }
+
         [Fact]
         public void FromJsonAuto()
         {
@@ -141,6 +147,29 @@ public void ExpandableAccessors_Id_DoesNotResetExistingExpandedObjectIfIdIsSame(
             Assert.Equal(42, o.Nested.Bar);
         }
 
+        [Fact]
+        public void RawJObject()
+        {
+            var service = new SubscriptionService(this.StripeClient);
+            var subscription = service.Get("sub_123");
+
+            Assert.NotNull(subscription);
+
+            // Access `id`, a string element
+            Assert.Equal(subscription.Id, subscription.RawJObject["id"]);
+
+            // Access `created`, a number element
+            Assert.Equal(subscription.Created, subscription.RawJObject["created"]);
+
+            // Access `plan[id]`, a nested string element
+            Assert.Equal(subscription.Plan.Id, subscription.RawJObject["plan"]["id"]);
+
+            // Access `items[data][0][id]`, a deeply nested string element
+            Assert.Equal(
+                subscription.Items.Data[0].Id,
+                subscription.RawJObject["items"]["data"][0]["id"]);
+        }
+
         private class TestEntity : StripeEntity<TestEntity>
         {
             [JsonProperty("integer")]