Represent DiffRefs as proper class instead of tuple array

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/gitlab/diff/diff_refs.rb b/lib/gitlab/diff/diff_refs.rb
new file mode 100644
index 00000000000..43489ae876b
--- /dev/null
+++ b/lib/gitlab/diff/diff_refs.rb
@@ -0,0 +1,26 @@
+module Gitlab
+  module Diff
+    class DiffRefs
+      attr_reader :base_sha
+      attr_reader :start_sha
+      attr_reader :head_sha
+
+      def initialize(base_sha:, start_sha: base_sha, head_sha:)
+        @base_sha = base_sha
+        @start_sha = start_sha
+        @head_sha = head_sha
+      end
+
+      def ==(other)
+        other.is_a?(self.class) &&
+          base_sha == other.base_sha &&
+          start_sha == other.start_sha &&
+          head_sha == other.head_sha
+      end
+
+      def complete?
+        start_sha && head_sha
+      end
+    end
+  end
+end