BUG: Backwards compatibility patch fix.

silverstripe · May 11, 2022 · 59a90c4 · 59a90c4
1 parent c4c855f
commit 59a90c4
Showing 1 changed file with 17 additions and 8 deletions.
diff --git a/_legacy/SnapshotScaffoldingProvider.php b/_legacy/SnapshotScaffoldingProvider.php
@@ -11,7 +11,7 @@
 use SilverStripe\ORM\DataObject;
 use SilverStripe\Security\Member;
 
-if (!interface_exists(ScaffoldingProvider::class) || !class_exists(ReadOneLegacyResolver::class)) {
+if (!interface_exists(ScaffoldingProvider::class)) {
     return;
 }
 
@@ -49,13 +49,22 @@ public function provideGraphQLScaffolding(SchemaScaffolder $scaffolder): void
                 $fields[] = 'AbsoluteLink';
             }
 
-            $scaffolder->type($inst->baseClass())
-                ->addFields($fields)
-                ->operation(SchemaScaffolder::READ_ONE)
-                    ->addArg('filter', 'IDFilterType!')
-                    ->setResolver(new ReadOneLegacyResolver($inst))
-                ->end()
-                ->operation('rollback');
+            if (class_exists(ReadOneLegacyResolver::class)) {
+                $scaffolder->type($inst->baseClass())
+                    ->addFields($fields)
+                    ->operation(SchemaScaffolder::READ_ONE)
+                        ->addArg('filter', 'IDFilterType!')
+                        ->setResolver(new ReadOneLegacyResolver($inst))
+                    ->end()
+                    ->operation('rollback');
+            } else {
+                $scaffolder->type($inst->baseClass())
+                    ->addFields($fields)
+                    ->operation(SchemaScaffolder::READ_ONE)
+                        ->addArg('filter', 'IDFilterType!')
+                    ->end()
+                    ->operation('rollback');
+            }
         }
     }
 }