scinote-web/config/initializers/wicked_pdf.rb

# frozen_string_literal: true

WickedPdf.config ||= {}

ENV['PATH'].split(':').each do |path|
  exe_path = File.join(path, 'wkhtmltopdf')
  WickedPdf.config[:exe_path] = File.join(path, 'wkhtmltopdf') if File.file?(exe_path)
end

# WickedPdfHelper patch that fixes issue with including application.css
# in environments like Heroku where assets.compile option is disabled and
# it is not acceptable to enable it.
if Rails.env.production? && Rails.configuration.assets.compile == false
  WickedPdf::WickedPdfHelper::Assets.module_eval do
    def read_asset(source)
      manifest = Rails.application.assets_manifest
      path = File.join(manifest.dir, manifest.assets[source])
      File.read(path)
    end

    def asset_exists?(source)
      Rails.application.assets_manifest.assets.key?(source)
    end
  end
end