On main: markasread-mutation

app/graphql/mutations/notifications/mark_notification_as_read.rb

@@ -0,0 +1,26 @@
+module Mutations
+    module Notifications
+      class MarkNotificationAsRead < BaseMutation
+        graphql_name 'MarkNotificationAsRead'
+
+        # Input argument to indicate which notification to update.
+        argument :id, ID, required: true
+
+        # The response includes the updated notification and any errors.
+        field :notification, Types::NotificationType, null: true
+        field :errors, [String], null: false
+
+        def resolve(id:)
+          notification = Notification.find_by(id: id)
+          return { notification: nil, errors: ["Notification not found"] } unless notification
+
+          notification.read = true
+          if notification.save
+            { notification: notification, errors: [] }
+          else
+            { notification: nil, errors: notification.errors.full_messages }
+          end
+        end
+      end
+    end
+  end