1 files changed, 47 insertions, 0 deletions
diff --git a/app/controllers/projects/merge_requests/application_controller.rb b/app/controllers/projects/merge_requests/application_controller.rb
new file mode 100644
index 00000000000..6602b204fcb
--- /dev/null
+++ b/app/controllers/projects/merge_requests/application_controller.rb
@@ -0,0 +1,47 @@
+class Projects::MergeRequests::ApplicationController < Projects::ApplicationController
+  before_action :check_merge_requests_available!
+  before_action :merge_request
+  before_action :authorize_read_merge_request!
+  before_action :ensure_ref_fetched
+
+  private
+
+  def merge_request
+    @issuable = @merge_request ||= @project.merge_requests.find_by!(iid: params[:id])
+  end
+
+  # Make sure merge requests created before 8.0
+  # have head file in refs/merge-requests/
+  def ensure_ref_fetched
+    @merge_request.ensure_ref_fetched
+  end
+
+  def merge_request_params
+    params.require(:merge_request).permit(merge_request_params_attributes)
+  end
+
+  def merge_request_params_attributes
+    [
+      :assignee_id,
+      :description,
+      :force_remove_source_branch,
+      :lock_version,
+      :milestone_id,
+      :source_branch,
+      :source_project_id,
+      :state_event,
+      :target_branch,
+      :target_project_id,
+      :task_num,
+      :title,
+
+      label_ids: []
+    ]
+  end
+
+  def set_pipeline_variables
+    @pipelines = @merge_request.all_pipelines
+    @pipeline = @merge_request.head_pipeline
+    @statuses_count = @pipeline.present? ? @pipeline.statuses.relevant.count : 0
+  end
+end