Module: OrderQuery::Direction

Defined in:
lib/order_query/direction.rb

Overview

Responsible for handling :asc and :desc

Constant Summary collapse

DIRECTIONS = 
%i[asc desc].freeze

Class Method Summary collapse

Class Method Details

.all ⇒ Object 



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# File 'lib/order_query/direction.rb', line 10

def all
  DIRECTIONS
end

.parse!(direction) ⇒ :asc, :desc

Parameters:

  • direction (:asc, :desc)

Returns:

  • (:asc, :desc)

Raises:

  • (ArgumentError) 


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# File 'lib/order_query/direction.rb', line 23

def parse!(direction)
  all.include?(direction) && direction or
    fail ArgumentError,
         "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 16

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