37 lines
731 B
Ruby
37 lines
731 B
Ruby
class Owner < ActiveRecord::Base
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self.primary_key = :owner_id
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has_many :pets, -> { order 'pets.name desc' }
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has_many :toys, :through => :pets
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belongs_to :last_pet, class_name: 'Pet'
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scope :including_last_pet, -> {
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select(%q[
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owners.*, (
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select p.pet_id from pets p
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where p.owner_id = owners.owner_id
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order by p.name desc
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limit 1
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) as last_pet_id
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]).includes(:last_pet)
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}
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after_commit :execute_blocks
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accepts_nested_attributes_for :pets, allow_destroy: true
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def blocks
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@blocks ||= []
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end
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def on_after_commit(&block)
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blocks << block
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end
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def execute_blocks
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blocks.each do |block|
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block.call(self)
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end
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@blocks = []
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end
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end
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