Module: Effective::EffectiveDatatable::Csv

Included in:
Datatable
Defined in:
app/models/effective/effective_datatable/csv.rb

Instance Method Summary collapse

Instance Method Details

#csv_content_type ⇒ Object 



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# File 'app/models/effective/effective_datatable/csv.rb', line 13

def csv_content_type
  'text/csv; charset=utf-8'
end

#csv_file ⇒ Object 



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# File 'app/models/effective/effective_datatable/csv.rb', line 21

def csv_file
  CSV.generate do |csv|
    csv << csv_header()

    collection.send(csv_collection_method) do |resources|
      resources = arrayize(resources, csv: true)
      format(resources, csv: true)
      finalize(resources)

      resources.each { |resource| csv << resource }
    end
  end
end

#csv_filename ⇒ Object 



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# File 'app/models/effective/effective_datatable/csv.rb', line 9

def csv_filename
  self.class.name.underscore.parameterize + '.csv'
end

#csv_header ⇒ Object 



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# File 'app/models/effective/effective_datatable/csv.rb', line 17

def csv_header
  columns.map { |_, opts| opts[:label] || '' }
end

#csv_stream ⇒ Object 



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# File 'app/models/effective/effective_datatable/csv.rb', line 35

def csv_stream
  EffectiveResources.with_resource_enumerator do |lines|
    lines << CSV.generate_line(csv_header)

    collection.public_send(csv_collection_method) do |resources|
      resources = arrayize(resources, csv: true)
      format(resources, csv: true)
      finalize(resources)

      resources.each { |resource| lines << CSV.generate_line(resource) }
    end
  end
end