1 files changed, 28 insertions, 0 deletions
diff --git a/app/models/release.rb b/app/models/release.rb
index 7a09ee459a6..df3dfe1cf2f 100644
--- a/app/models/release.rb
+++ b/app/models/release.rb
@@ -2,11 +2,39 @@
 
 class Release < ActiveRecord::Base
   include CacheMarkdownField
+  include Gitlab::Utils::StrongMemoize
 
   cache_markdown_field :description
 
   belongs_to :project
+  # releases prior to 11.7 have no author
   belongs_to :author, class_name: 'User'
 
   validates :description, :project, :tag, presence: true
+
+  scope :sorted, -> { order(created_at: :desc) }
+
+  delegate :repository, to: :project
+
+  def commit
+    strong_memoize(:commit) do
+      repository.commit(actual_sha)
+    end
+  end
+
+  def tag_missing?
+    actual_tag.nil?
+  end
+
+  private
+
+  def actual_sha
+    sha || actual_tag&.dereferenced_target
+  end
+
+  def actual_tag
+    strong_memoize(:actual_tag) do
+      repository.find_tag(tag)
+    end
+  end
 end