1 files changed, 39 insertions, 0 deletions
diff --git a/app/services/ci/create_builds_service.rb b/app/services/ci/create_builds_service.rb
new file mode 100644
index 00000000000..912eb6258a4
--- /dev/null
+++ b/app/services/ci/create_builds_service.rb
@@ -0,0 +1,39 @@
+module Ci
+  class CreateBuildsService
+    def execute(commit, stage, ref, tag, user, trigger_request, status)
+      builds_attrs = commit.config_processor.builds_for_stage_and_ref(stage, ref, tag)
+
+      # check when to create next build
+      builds_attrs = builds_attrs.select do |build_attrs|
+        case build_attrs[:when]
+        when 'on_success'
+          status == 'success'
+        when 'on_failure'
+          status == 'failed'
+        when 'always'
+          %w(success failed).include?(status)
+        end
+      end
+
+      builds_attrs.map do |build_attrs|
+        # don't create the same build twice
+        unless commit.builds.find_by(ref: ref, tag: tag, trigger_request: trigger_request, name: build_attrs[:name])
+          build_attrs.slice!(:name,
+                             :commands,
+                             :tag_list,
+                             :options,
+                             :allow_failure,
+                             :stage,
+                             :stage_idx)
+
+          build_attrs.merge!(ref: ref,
+                             tag: tag,
+                             trigger_request: trigger_request,
+                             user: user)
+
+          commit.builds.create!(build_attrs)
+        end
+      end
+    end
+  end
+end