pdf.rb

class Report
  def pdf_url
    Rails.cache.fetch(["v1/report-pdf-url", self]) do 
      asset_host = Rails.env.production? ? Rails.application.config.action_controller.asset_host : "http://localhost:3000"

      metadata = { width: 8.5, width: 11 }

      renderer = ReportsController.renderer.new(https: true)
      html = renderer.render(template: "reports/show", assigns: { report: self })
      pdf = BreezyPDF::HTML2PDF.new(asset_host, html, metadata)

      pdf.to_url
    end
  end
end