module ActiveAdmin # CSVBuilder stores CSV configuration # # Usage example: # # csv_builder = CSVBuilder.new # csv_builder.column :id # csv_builder.column("Name") { |resource| resource.full_name } # # csv_builder = CSVBuilder.new :col_sep => ";" # csv_builder.column :id # # class CSVBuilder # Return a default CSVBuilder for a resource # The CSVBuilder's columns would be Id followed by this # resource's content columns def self.default_for_resource(resource) new.tap do |csv_builder| csv_builder.column(:id) resource.content_columns.each do |content_column| csv_builder.column(content_column.name.to_sym) end end end attr_reader :columns, :options def initialize(options={}, &block) @columns, @options = [], options instance_eval &block if block_given? end # Add a column def column(name, &block) @columns << Column.new(name, block) end class Column attr_reader :name, :data def initialize(name, block = nil) @name = name.is_a?(Symbol) ? name.to_s.titleize : name @data = block || name.to_sym end end end end