1 files changed, 29 insertions, 0 deletions
diff --git a/app/services/projects/lfs_pointers/lfs_link_service.rb b/app/services/projects/lfs_pointers/lfs_link_service.rb
new file mode 100644
index 00000000000..d20bdf86c58
--- /dev/null
+++ b/app/services/projects/lfs_pointers/lfs_link_service.rb
@@ -0,0 +1,29 @@
+# Given a list of oids, this services links the existent Lfs Objects to the project
+module Projects
+  module LfsPointers
+    class LfsLinkService < BaseService
+      # Accept an array of oids to link
+      #
+      # Returns a hash with the same structure with oids linked
+      def execute(oids)
+        return {} unless project&.lfs_enabled?
+
+        # Search and link existing LFS Object
+        link_existing_lfs_objects(oids)
+      end
+
+      private
+
+      def link_existing_lfs_objects(oids)
+        existent_lfs_objects = LfsObject.where(oid: oids)
+
+        return [] unless existent_lfs_objects.any?
+
+        not_linked_lfs_objects = existent_lfs_objects.where.not(id: project.all_lfs_objects)
+        project.all_lfs_objects << not_linked_lfs_objects
+
+        existent_lfs_objects.pluck(:oid)
+      end
+    end
+  end
+end