postal/api/structures/message_api_structure.rb

structure :message do
  basic :id
  basic :token

  expansion(:status) {
    {
      :status => o.status,
      :last_delivery_attempt => o.last_delivery_attempt ? o.last_delivery_attempt.to_f : nil,
      :held => o.held == 1 ? true : false,
      :hold_expiry => o.hold_expiry ? o.hold_expiry.to_f : nil
    }
  }

  expansion(:details) {
    {
      :rcpt_to => o.rcpt_to,
      :mail_from => o.mail_from,
      :subject => o.subject,
      :message_id => o.message_id,
      :timestamp => o.timestamp.to_f,
      :direction => o.scope,
      :size => o.size,
      :bounce => o.bounce,
      :bounce_for_id => o.bounce_for_id,
      :tag => o.tag,
      :received_with_ssl => o.received_with_ssl
    }
  }

  expansion(:inspection) {
    {
      :inspected => o.inspected == 1 ? true : false,
      :spam => o.spam == 1 ? true : false,
      :spam_score => o.spam_score.to_f,
      :threat => o.threat == 1 ? true : false,
      :threat_details => o.threat_details
    }
  }

  expansion(:plain_body) { o.plain_body }

  expansion(:html_body) { o.html_body }

  expansion(:attachments) {
    o.attachments.map do |attachment|
      {
        :filename => attachment.filename.to_s,
        :content_type => attachment.mime_type,
        :data => Base64.encode64(attachment.body.to_s),
        :size => attachment.body.to_s.bytesize,
        :hash => Digest::SHA1.hexdigest(attachment.body.to_s)
      }
    end
  }

  expansion(:headers) { o.headers }

  expansion(:raw_message) { Base64.encode64(o.raw_message) }
end