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# File 'lib/rails-properties/base.rb', line 3
def self.included(base)
base.class_eval do
has_many :property_objects,
:as => :target,
:autosave => true,
:dependent => :delete_all,
:class_name => self.property_object_class_name
def properties(var)
raise ArgumentError unless var.is_a?(Symbol)
raise ArgumentError.new("Unknown key: #{var}") unless self.class.default_properties[var]
if RailsProperties.can_protect_attributes?
property_objects.detect { |s| s.var == var.to_s } || property_objects.build({ :var => var.to_s }, :without_protection => true)
else
property_objects.detect { |s| s.var == var.to_s } || property_objects.build(:var => var.to_s, :target => self)
end
end
def properties=(value)
if value.nil?
property_objects.each(&:mark_for_destruction)
else
raise ArgumentError
end
end
def properties?(var=nil)
if var.nil?
property_objects.any? { |property_object| !property_object.marked_for_destruction? && property_object.value.present? }
else
properties(var).value.present?
end
end
def to_properties_hash
properties_hash = self.class.default_properties.dup
properties_hash.each do |var, vals|
properties_hash[var] = properties_hash[var].merge(properties(var.to_sym).value)
end
properties_hash
end
end
end
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