Class: Csb::Handler

Inherits:
Object
  • Object
show all
Defined in:
lib/csb/handler.rb

Class Method Summary collapse

Class Method Details

.call(template, source = nil) ⇒ Object 



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# File 'lib/csb/handler.rb', line 10

def self.call(template, source = nil)
  source ||= template.source

  <<~RUBY
    csv = ::Csb::Template.new(
      utf8_bom: ::Csb.configuration.utf8_bom,
      streaming: ::Csb.configuration.streaming,
    )
    #{source}
    controller.send(:send_file_headers!, type: 'text/csv', filename: csv.filename)
    if csv.streaming?
      response.headers['Cache-Control'] = 'no-cache'
      response.headers['X-Accel-Buffering'] = 'no'
      # SEE: https://github.com/rack/rack/issues/1619
      if Gem::Version.new('2.2.0') <= Gem::Version.new(Rack::RELEASE)
        response.headers['Last-Modified'] = '0'
      end
    end
    csv.build
  RUBY
end