From d946ccb6d037951198a9c5734595988b686e494a Mon Sep 17 00:00:00 2001
From: Thomas Wade <tom@tem.party>
Date: Tue, 31 Jan 2023 17:07:41 +1030
Subject: [PATCH 1/3] Add fulfillment cancel endpoint

Implements #833
---
 .../Services/Fulfillment/FulfillmentService.cs    | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/ShopifySharp/Services/Fulfillment/FulfillmentService.cs b/ShopifySharp/Services/Fulfillment/FulfillmentService.cs
index 61789b39..ef5a0fe0 100644
--- a/ShopifySharp/Services/Fulfillment/FulfillmentService.cs
+++ b/ShopifySharp/Services/Fulfillment/FulfillmentService.cs
@@ -67,5 +67,18 @@ public virtual async Task<Fulfillment> UpdateTrackingAsync(long fulfillmentId, F
             var response = await ExecuteRequestAsync<Fulfillment>(req, HttpMethod.Post, cancellationToken, content, "fulfillment");
             return response.Result;
         }
+
+        /// <summary>
+        /// Cancels a pending fulfillment with the given id.
+        /// </summary>
+        /// <param name="fulfillmentId">The fulfillment's id.</param>
+        /// <param name="cancellationToken">Cancellation Token</param>
+        public virtual async Task<Fulfillment> CancelAsync(long fulfillmentId, CancellationToken cancellationToken = default)
+        {
+            var req = PrepareRequest($"fulfillments/{fulfillmentId}/cancel.json");
+
+            var response = await ExecuteRequestAsync<Fulfillment>(req, HttpMethod.Post, cancellationToken, rootElement: "fulfillment");
+            return response.Result;
+        }
     }
-}
\ No newline at end of file
+}

From 33a6ca40261bed7ffa83590eae4ffa012921d3ea Mon Sep 17 00:00:00 2001
From: Thomas Wade <tom@tem.party>
Date: Tue, 31 Jan 2023 17:08:14 +1030
Subject: [PATCH 2/3] Add test covering fulfillment cancellation

---
 ShopifySharp.Tests/Fulfillment_Tests.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ShopifySharp.Tests/Fulfillment_Tests.cs b/ShopifySharp.Tests/Fulfillment_Tests.cs
index 7ede8328..100abeac 100644
--- a/ShopifySharp.Tests/Fulfillment_Tests.cs
+++ b/ShopifySharp.Tests/Fulfillment_Tests.cs
@@ -151,6 +151,16 @@ public async Task Updates_Tracking_Fulfillments()
             Assert.Equal(trackingNum, updated.TrackingNumbers.First());
             Assert.Equal(trackingUrl, updated.TrackingUrls.First());
         }
+
+        [Fact]
+        public async Task Cancels_Fulfillments()
+        {
+            var order = await Fixture.CreateOrder();
+            var created = await Fixture.Create(order.Id.Value);
+            var cancelled = await Fixture.Service.CancelAsync(created.Id.Value);
+
+            Assert.Equal("cancelled", cancelled.Status);
+        }
     }
 
     public class Fulfillment_Tests_Fixture : IAsyncLifetime

From 2e7d9069c0469b336e2271e7abc054d6c3b6934f Mon Sep 17 00:00:00 2001
From: Thomas Wade <tom@tem.party>
Date: Tue, 31 Jan 2023 17:09:23 +1030
Subject: [PATCH 3/3] Update documentation

---
 readme.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 4dbdb202..db18cb14 100644
--- a/readme.md
+++ b/readme.md
@@ -1346,7 +1346,7 @@ Fulfillments can only be cancelled if their `Status` is `pending`.
 
 ```cs
 var service = new FulfillmentService(myShopifyUrl, shopAccessToken);
-await service.CancelAsync(orderId, fulfillmentId);
+await service.CancelAsync(fulfillmentId)
 ```
 
 ---