app/mailers/emails/pipelines.rb


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module Emails
  module Pipelines
    def pipeline_succeeded_email(params, to)
      pipeline_mail(params, to, 'succeeded') # TODO: missing template
    end

    def pipeline_failed_email(params, to)
      pipeline_mail(params, to, 'failed') # TODO: missing template
    end

    private

    def pipeline_mail(params, to, status)
      @params = params
      add_headers

      mail(to: to, subject: pipeline_subject('failed'))
    end

    def add_headers
      @project = @params.project # `add_project_headers` needs this
      add_project_headers
      add_pipeline_headers(@params.pipeline)
    end

    def add_pipeline_headers(pipeline)
      headers['X-GitLab-Pipeline-Id'] = pipeline.id
      headers['X-GitLab-Pipeline-Ref'] = pipeline.ref
      headers['X-GitLab-Pipeline-Status'] = pipeline.status
    end

    def pipeline_subject(status)
      subject(
        "Pipeline #{status} for #{@params.project.name}",
        @params.pipeline.short_sha)
    end
  end
end