Module: Dunlop::CsvBuilder

Extended by:
ActiveSupport::Concern
Included in:
CsvBuilder
Defined in:
lib/dunlop/csv_builder.rb

Instance Method Summary collapse

Instance Method Details

#data ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 38

def data
  str = CSV.generate csv_options do |csv|
    csv << headers if headers.present?
    serialized_rows.each do |serialized_row|
      csv << serialized_row
    end
  end
  str
end

#date_number ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 48

def date_number
  Date.today.to_s(:number)
end

#file_name ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 17

def file_name
  options[:file_name] || "#{Rails.application.config.application_name}-#{date_number}-data.csv"
end

#headers ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 21

def headers
  []
end

#initialize(resource, options = {}) ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 11

def initialize(resource, options = {})
  @resource, @options = resource, options
  @csv_options = default_csv_options.merge(options.slice(:col_sep, :row_sep, :encoding, :field_size_limit, :quote_char))
  @controller = options[:controller]
end

#record_attribute(record, attribute_name) ⇒ Object

Do a lookup on a record of an attribute and map the value to the csv required version if appliccable. At the moment booleans are converted to zeros and ones



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# File 'lib/dunlop/csv_builder.rb', line 60

def record_attribute(record, attribute_name)
  result = record.public_send(attribute_name)
  case result
  when TrueClass then 1
  when FalseClass then 0
  when String then result.strip.gsub(/\r\n?|\n/, " ")
  when DayTimeBase then result.number
  else result
  end
end

#serialize_row(record) ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 34

def serialize_row(record)
  [record.id]
end

#serialized_rows ⇒ Object 



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# File 'lib/dunlop/csv_builder.rb', line 25

def serialized_rows
  rows = []
  iteration_method = resource.respond_to?(:find_each) ? :find_each : :each
  resource.public_send(iteration_method) do |record|
    rows.push serialize_row(record)
  end
  rows
end

#workflow_instances_in_batch ⇒ Object

TODO: this is a separate include, not part of the core CsvBuilder object



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# File 'lib/dunlop/csv_builder.rb', line 53

def workflow_instances_in_batch
  resource.workflow_instances.for_filtered_export
end