class SmartPreloads::Loader
Attributes
collection[R]
Public Class Methods
new(collection, nested_associations = nil)
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# File lib/smart_preloads/loader.rb, line 5 def initialize(collection, nested_associations = nil) @collection = collection @nested_associations = nested_associations end
Public Instance Methods
load(association)
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# File lib/smart_preloads/loader.rb, line 14 def load(association) association = nest(association) return unless association ActiveRecord::Associations::Preloader.new.preload(@collection, association) end
load_default()
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# File lib/smart_preloads/loader.rb, line 10 def load_default load(nil) end
nest(association)
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# File lib/smart_preloads/loader.rb, line 25 def nest(association) return association unless @nested_associations result = association Array(@nested_associations).reverse.each do |parent| if result result = { parent => result } else result = parent end end result end
nested(nested_associations)
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# File lib/smart_preloads/loader.rb, line 20 def nested(nested_associations) self.class.new(@collection, Array(@nested_associations) + Array(nested_associations)) end