1 files changed, 36 insertions, 0 deletions
diff --git a/app/services/merge_requests/mergeability/check_base_service.rb b/app/services/merge_requests/mergeability/check_base_service.rb
new file mode 100644
index 00000000000..d5ddcb4b828
--- /dev/null
+++ b/app/services/merge_requests/mergeability/check_base_service.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+module MergeRequests
+  module Mergeability
+    class CheckBaseService
+      attr_reader :merge_request, :params
+
+      def initialize(merge_request:, params:)
+        @merge_request = merge_request
+        @params = params
+      end
+
+      def skip?
+        raise NotImplementedError
+      end
+
+      # When this method is true, we need to implement a cache_key
+      def cacheable?
+        raise NotImplementedError
+      end
+
+      def cache_key
+        raise NotImplementedError
+      end
+
+      private
+
+      def success(*args)
+        Gitlab::MergeRequests::Mergeability::CheckResult.success(*args)
+      end
+
+      def failure(*args)
+        Gitlab::MergeRequests::Mergeability::CheckResult.failed(*args)
+      end
+    end
+  end
+end