Class: ActsAsCalculator::RenderLiquid::IterationBudget

Inherits:
Object
  • Object
show all
Defined in:
lib/acts_as_calculator/render_liquid.rb

Instance Method Summary collapse

Constructor Details

#initialize(limit) ⇒ IterationBudget

Returns a new instance of IterationBudget.



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# File 'lib/acts_as_calculator/render_liquid.rb', line 37

def initialize(limit)
  @limit = limit
  @remaining = limit
end

Instance Method Details

#reserve(collection) ⇒ Object

Checked against the collection as declared, before Liquid reaches Range#to_a on it — {% for i in (1..2000000000) %} is a heap bomb no post-hoc count can undo.



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# File 'lib/acts_as_calculator/render_liquid.rb', line 44

def reserve(collection)
  size = countable_size(collection)

  exhausted! if !size.nil? && size > remaining
end

#spend(count) ⇒ Object 



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# File 'lib/acts_as_calculator/render_liquid.rb', line 50

def spend(count)
  @remaining -= count

  exhausted! if remaining.negative?
end