Added relationships between Release and Milestone

Modified schema via migrations.
Added one-to-one relationship between the two models.
Added changelog file

1 files changed, 21 insertions, 0 deletions

diff --git a/app/services/releases/concerns.rb b/app/services/releases/concerns.rb
index 618d96717b8..b5412e97284 100644
--- a/app/services/releases/concerns.rb
+++ b/app/services/releases/concerns.rb
@@ -47,6 +47,27 @@ module Releases
           project.repository
         end
       end
+
+      def milestone
+        return unless params[:milestone]
+
+        strong_memoize(:milestone) do
+          MilestonesFinder.new(
+            project: project,
+            current_user: current_user,
+            project_ids: Array(project.id),
+            title: params[:milestone]
+          ).execute.first
+        end
+      end
+
+      def inexistent_milestone?
+        params[:milestone] && !params[:milestone].empty? && !milestone
+      end
+
+      def param_for_milestone_title_provided?
+        params[:milestone].present? || params[:milestone]&.empty?
+      end
     end
   end
 end