1 files changed, 21 insertions, 0 deletions
diff --git a/app/models/concerns/file_store_mounter.rb b/app/models/concerns/file_store_mounter.rb
new file mode 100644
index 00000000000..9d4463e5297
--- /dev/null
+++ b/app/models/concerns/file_store_mounter.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module FileStoreMounter
+  extend ActiveSupport::Concern
+
+  class_methods do
+    def mount_file_store_uploader(uploader)
+      mount_uploader(:file, uploader)
+
+      after_save :update_file_store, if: :saved_change_to_file?
+    end
+  end
+
+  private
+
+  def update_file_store
+    # The file.object_store is set during `uploader.store!`
+    # which happens after object is inserted/updated
+    self.update_column(:file_store, file.object_store)
+  end
+end