Module: CsvRowModel::Export::DynamicColumns

Extended by:
ActiveSupport::Concern
Included in:
CsvRowModel::Export
Defined in:
lib/csv_row_model/export/dynamic_columns.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.define_dynamic_attribute_method(column_name) ⇒ Object (protected)

Define default attribute method for a dynamic_column

Parameters:

  • column_name (Symbol) —

    the cell's column_name



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# File 'lib/csv_row_model/export/dynamic_columns.rb', line 31

def define_dynamic_attribute_method(column_name)
  define_method(column_name) do
    context.public_send(column_name).map do |header_model|
      self.class.format_cell(
        public_send(self.class.singular_dynamic_attribute_method_name(column_name), header_model),
        column_name,
        self.class.dynamic_index(column_name),
        context
      )
    end
  end

  define_method(singular_dynamic_attribute_method_name(column_name)) { |header_model| header_model }
end

.dynamic_column(column_name, options = {}) ⇒ Object (protected)

See Model::DynamicColumns#dynamic_column



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# File 'lib/csv_row_model/export/dynamic_columns.rb', line 24

def dynamic_column(column_name, options={})
  super
  define_dynamic_attribute_method(column_name)
end

Instance Method Details

#formatted_attributes ⇒ Object

See Model::Columns#formatted_attributes



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# File 'lib/csv_row_model/export/dynamic_columns.rb', line 16

def formatted_attributes
  super.merge(formatted_attributes_from_column_names(self.class.dynamic_column_names))
end

#to_row ⇒ Array

Returns an array of public_send(column_name) of the CSV model.

Returns:

  • (Array) —

    an array of public_send(column_name) of the CSV model



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# File 'lib/csv_row_model/export/dynamic_columns.rb', line 11

def to_row
  super.flatten
end