From e323a4d58abea8a8d9f472b4b004b61708cb1e8c Mon Sep 17 00:00:00 2001
From: Maina Wycliffe <wmmaina7@gmail.com>
Date: Mon, 14 Oct 2019 02:41:55 +0300
Subject: [PATCH] feat: attempt to call mutation callbacks from mutation method

---
 .../graphql/lib/src/core/query_manager.dart   | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/packages/graphql/lib/src/core/query_manager.dart b/packages/graphql/lib/src/core/query_manager.dart
index c76c22938..0cee710fd 100644
--- a/packages/graphql/lib/src/core/query_manager.dart
+++ b/packages/graphql/lib/src/core/query_manager.dart
@@ -51,7 +51,24 @@ class QueryManager {
   }
 
   Future<QueryResult> mutate(MutationOptions options) {
-    return fetchQuery('0', options);
+    return fetchQuery('0', options).then((result) async {
+      // not sure why query id is '0', may be needs improvements
+      // once the mutation has been process successfully, execute callbacks
+      // before returning the results
+      final mutationCallbacks = MutationCallbacks(
+        cache: cache,
+        options: options,
+        queryId: '0',
+      );
+
+      final callbacks = mutationCallbacks.callbacks;
+
+      for (final callback in callbacks) {
+        await callback(result);
+      }
+
+      return result;
+    });
   }
 
   Future<QueryResult> fetchQuery(