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42f1ad6865
The build_association method was added as an API for plugins
to hook into in 1398db0. This commit restores this API and the
ability to override class.new to return a subclass based on
a virtual attribute in the attributes hash.
31 lines
735 B
Ruby
31 lines
735 B
Ruby
class Bulb < ActiveRecord::Base
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default_scope where(:name => 'defaulty')
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belongs_to :car
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attr_protected :car_id, :frickinawesome
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attr_reader :scope_after_initialize
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after_initialize :record_scope_after_initialize
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def record_scope_after_initialize
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@scope_after_initialize = self.class.scoped
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end
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def color=(color)
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self[:color] = color.upcase + "!"
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end
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def self.new(attributes = {}, options = {}, &block)
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bulb_type = (attributes || {}).delete(:bulb_type)
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if options && options[:as] == :admin && bulb_type.present?
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bulb_class = "#{bulb_type.to_s.camelize}Bulb".constantize
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bulb_class.new(attributes, options, &block)
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else
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super
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end
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end
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end
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class CustomBulb < Bulb
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end |