1 files changed, 69 insertions, 0 deletions
diff --git a/lib/gitlab/ci/status/core.rb b/lib/gitlab/ci/status/core.rb
new file mode 100644
index 00000000000..46fef8262c1
--- /dev/null
+++ b/lib/gitlab/ci/status/core.rb
@@ -0,0 +1,69 @@
+module Gitlab
+  module Ci
+    module Status
+      # Base abstract class fore core status
+      #
+      class Core
+        include Gitlab::Routing
+        include Gitlab::Allowable
+
+        attr_reader :subject, :user
+
+        def initialize(subject, user)
+          @subject = subject
+          @user = user
+        end
+
+        def icon
+          raise NotImplementedError
+        end
+
+        def label
+          raise NotImplementedError
+        end
+
+        # Deprecation warning: this method is here because we need to maintain
+        # backwards compatibility with legacy statuses. We often do something
+        # like "ci-status ci-status-#{status}" to set CSS class.
+        #
+        # `to_s` method should be renamed to `group` at some point, after
+        # phasing legacy satuses out.
+        #
+        def to_s
+          self.class.name.demodulize.downcase.underscore
+        end
+
+        def has_details?
+          false
+        end
+
+        def details_path
+          raise NotImplementedError
+        end
+
+        def has_action?
+          false
+        end
+
+        def action_icon
+          raise NotImplementedError
+        end
+
+        def action_class
+        end
+
+        def action_path
+          raise NotImplementedError
+        end
+
+        def action_method
+          raise NotImplementedError
+        end
+
+        def action_title
+          raise NotImplementedError
+        end
+      end
+    end
+  end
+end