1 files changed, 27 insertions, 0 deletions
diff --git a/app/models/evidence.rb b/app/models/evidence.rb
new file mode 100644
index 00000000000..69a00f1cb3f
--- /dev/null
+++ b/app/models/evidence.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class Evidence < ApplicationRecord
+  include ShaAttribute
+
+  belongs_to :release
+
+  before_validation :generate_summary_and_sha
+
+  default_scope { order(created_at: :asc) }
+
+  sha_attribute :summary_sha
+
+  def milestones
+    @milestones ||= release.milestones.includes(:issues)
+  end
+
+  private
+
+  def generate_summary_and_sha
+    summary = Evidences::EvidenceSerializer.new.represent(self) # rubocop: disable CodeReuse/Serializer
+    return unless summary
+
+    self.summary = summary
+    self.summary_sha = Gitlab::CryptoHelper.sha256(summary)
+  end
+end