Module: OrderQuery::Direction

Extended by:
Direction
Included in:
Direction
Defined in:
lib/order_query/direction.rb

Overview

Responsible for handling :asc and :desc

Constant Summary collapse

DIRECTIONS = 
[:asc, :desc].freeze
DIRECTIONS_S = 
DIRECTIONS.map { |d| d.to_s.freeze }.freeze

Instance Method Summary collapse

Instance Method Details

#all ⇒ Object 



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# File 'lib/order_query/direction.rb', line 9

def all
  DIRECTIONS
end

#parse!(direction) ⇒ :asc, :desc

Parameters:

  • direction (:asc, :desc, String)

Returns:

  • (:asc, :desc)

Raises:

  • (ArgumentError) 


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# File 'lib/order_query/direction.rb', line 22

def parse!(direction)
  if direction.is_a?(Symbol)
    direction if DIRECTIONS.include?(direction)
  else
    direction = direction.to_s.downcase
    direction.to_sym if DIRECTIONS_S.include?(direction)
  end or
      raise ArgumentError.new("sort direction must be in #{all.map(&:inspect).join(', ')}, is #{direction.inspect}")
end

#reverse(direction) ⇒ :asc, :desc

Parameters:

  • direction (:asc, :desc)

Returns:

  • (:asc, :desc) 


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# File 'lib/order_query/direction.rb', line 15

def reverse(direction)
  all[(all.index(direction) + 1) % 2].to_sym
end