Class: ActiveModel::CsvArraySerializer

Inherits:
Object
  • Object
show all
Defined in:
lib/active_model/csv_array_serializer.rb

Instance Method Summary collapse

Constructor Details

#initialize(objects, options = {}) ⇒ CsvArraySerializer

Returns a new instance of CsvArraySerializer.



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# File 'lib/active_model/csv_array_serializer.rb', line 6

def initialize(objects, options = {})
  @each_serializer = options[:each_serializer]
  @objects = objects
  @options = options
end

Instance Method Details

#attribute_names ⇒ Object 



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# File 'lib/active_model/csv_array_serializer.rb', line 27

def attribute_names
  return [] unless @objects
  serializer = @each_serializer || ActiveModel::CsverizerFactory
  serializer.new(@objects.first, @options).attribute_names
end

#to_a ⇒ Object 



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# File 'lib/active_model/csv_array_serializer.rb', line 12

def to_a
  return ActiveModel::Csverizer.new(nil).to_a if @objects.nil?
  @objects.collect do |object|
    serializer = @each_serializer || ActiveModel::CsverizerFactory
    serializer.new(object, @options).to_a
  end
end

#to_csv ⇒ Object 



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# File 'lib/active_model/csv_array_serializer.rb', line 20

def to_csv
  CSV.generate do |csv|
    csv << attribute_names
    to_a.each { |record| csv << record.first }
  end
end