Method: Marty::DataGrid#export_array

Defined in:
app/models/marty/data_grid.rb

#export_array ⇒ Object 



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# File 'app/models/marty/data_grid.rb', line 534

def export_array
  # add data type metadata row if not default
  lenstr = 'lenient' if lenient
  strict_null_mode_str = 'strict_null_mode' if strict_null_mode

  typestr = data_type unless [nil, DEFAULT_DATA_TYPE].member?(data_type)
  len_type = [lenstr, strict_null_mode_str, typestr].compact.join(' ')

  meta_rows = if len_type.present? || constraint.present?
                [[len_type, constraint].compact]
              else
                []
              end

  meta_rows += metadata.map do |inf|
    [inf['attr'], inf['type'], inf['dir'], inf['rs_keep'] || '']
  end

  v_infos, h_infos = dir_infos('v'), dir_infos('h')

  h_key_rows = h_infos.map do |inf|
    [nil] * v_infos.count + self.class.export_keys(inf)
  end

  transposed_v_keys = v_infos.empty? ? [[]] :
    v_infos.map { |inf| self.class.export_keys(inf) }.transpose

  data_rows = transposed_v_keys.each_with_index.map do |keys, i|
    keys + (data[i] || [])
  end

  [meta_rows, h_key_rows, data_rows]
end