Add bulk update support for merge requests list

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/app/services/issuable/bulk_update_service.rb b/app/services/issuable/bulk_update_service.rb
new file mode 100644
index 00000000000..60891cbb255
--- /dev/null
+++ b/app/services/issuable/bulk_update_service.rb
@@ -0,0 +1,26 @@
+module Issuable
+  class BulkUpdateService < IssuableBaseService
+    def execute(type)
+      model_class = type.classify.constantize
+      update_class = type.classify.pluralize.constantize::UpdateService
+
+      ids = params.delete(:issuable_ids).split(",")
+      items = model_class.where(id: ids)
+
+      %i(state_event milestone_id assignee_id add_label_ids remove_label_ids subscription_event).each do |key|
+        params.delete(key) unless params[key].present?
+      end
+
+      items.each do |issuable|
+        next unless can?(current_user, :"update_#{type}", issuable)
+
+        update_class.new(issuable.project, current_user, params).execute(issuable)
+      end
+
+      {
+        count:    items.count,
+        success:  !items.count.zero?
+      }
+    end
+  end
+end