Class: PdfMage::Workers::RenderPdf

Inherits:
Base
  • Object
show all
Defined in:
lib/pdf_mage/workers/render_pdf.rb

Overview

A Sidekiq job that renders a PDF using Chrome headless and kicks off post-render tasks, such as webhook processing or uploading to Amazon S3.

Since:

  • 0.1.0

Constant Summary

Constants inherited from Base

Base::STRIP_STRING_OPTIONS

Instance Method Summary collapse

Methods inherited from Base

#ensure_directory_exists_for_pdf, #pdf_filename, #secretize_url, #string_exists?, #strip_string

Instance Method Details

#perform(website_url, callback_url = nil, filename = nil, meta = nil) ⇒ Object

Since:

  • 0.1.0



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# File 'lib/pdf_mage/workers/render_pdf.rb', line 14

def perform(website_url, callback_url = nil, filename = nil, meta = nil)
  LOGGER.info "Rendering [#{website_url}] with callback [#{callback_url}] and meta: #{meta.inspect}"

  stripped_filename = strip_string(filename)
  stripped_filename_present = string_exists?(stripped_filename)

  # If a filename exists and the stripped version causes the string to be empty, warn about it in the logs.
  if filename && !stripped_filename_present
    LOGGER.warn "'#{filename}' is not a valid ASCII string, falling back to UUID for PDF name."
  end

  pdf_id = stripped_filename_present ? stripped_filename : SecureRandom.uuid
  ensure_directory_exists_for_pdf(pdf_filename(pdf_id))
  url_with_secret = secretize_url(website_url)

  `#{CONFIG.chrome_exe} --headless --disable-gpu --print-to-pdf=#{pdf_filename(pdf_id)} #{url_with_secret}`

  raise "Error executing chrome PDF export. Status: [#{status}]" unless $CHILD_STATUS.zero?
  LOGGER.info "Rendered PDF [#{pdf_id}] with status [#{status}]"

  if CONFIG.
    PdfMage::Workers::UploadFile.perform_async(pdf_id, callback_url, meta)
  elsif string_exists?(callback_url)
    PdfMage::Workers::SendWebhook.perform_async(pdf_filename(pdf_id), callback_url, meta)
  end
end