Class: Tablets::Data::Processing::Order

Inherits:
Base
  • Object
show all
Defined in:
lib/tablets/data/processing/order.rb

Overview

Incapsulate relation ordering logic

Instance Method Summary collapse

Methods inherited from Base

apply, #initialize

Constructor Details

This class inherits a constructor from Tablets::Data::Processing::Base

Instance Method Details

#apply(relation) ⇒ Object

Applies order processing on relation



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# File 'lib/tablets/data/processing/order.rb', line 9

def apply(relation)
  params[:order].values.inject(relation) do |rel, item|
    sorting_direction = direction(item)
    nulls = null_place(sorting_direction)
    rel.order("#{column(item)} #{sorting_direction} #{nulls}")
  end
end