1 files changed, 75 insertions, 0 deletions
diff --git a/lib/gitlab/ci/status/composite_status.rb b/lib/gitlab/ci/status/composite_status.rb
new file mode 100644
index 00000000000..227c32bb18a
--- /dev/null
+++ b/lib/gitlab/ci/status/composite_status.rb
@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Status
+      class CompositeStatus
+        def initialize(all_statuses)
+          @status_set = build_status_set(all_statuses)
+        end
+
+        def status
+          case
+          when only?(:skipped, :warning)
+            :success
+          when only?(:skipped)
+            :skipped
+          when only?(:success)
+            :skipped
+          when only?(:created)
+            :created
+          when only?(:preparing)
+            :preparing
+          when only?(:success, :skipped)
+            :success
+          when only?(:success, :skipped, :canceled)
+            :canceled
+          when only?(:created, :skipped, :pending)
+            :pending
+          when include?(:running, :pending)
+            :running
+          when include?(:manual)
+            :manual
+          when include?(:scheduled)
+            :scheduled
+          when include?(:preparing)
+            :preparing
+          when include?(:created)
+            :created
+          when include?
+            :failed
+          end
+        end
+
+        def warnings?
+          include?(:warning)
+        end
+
+        private
+
+        def include?(*names)
+          names.all? { |name| @status_set.include?(name) }
+        end
+
+        def only?(*names)
+          @status_set.size == names.size &&
+            names.all? { |name| @status_set.include?(name) }
+        end
+
+        def build_status_set(all_statuses)
+          status_set = Set.new
+
+          all_statuses.each do |status|
+            if status[:allow_failure] && HasStatus::WARNING_STATUSES.include?(status[:status])
+              status_set.add(:warning)
+            else
+              status_set.add(status[:status].to_sym)
+            end
+          end
+
+          status_set
+        end
+      end
+    end
+  end
+end