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# File 'lib/has_states.rb', line 11
def has_states(*states, **options)
options = {attr_name: "state", const_name: "states"}.merge(options)
states.flatten!
self.const_set(options[:const_name].upcase, states.map{|s| s.to_s})
states.each do |s|
s = s.to_s
attr = options[:attr_name].to_sym
define_method("#{s}?") do
return self.send(attr).to_s == s
end
define_method("not_#{s}?") do
return self.send(attr).to_s != s
end
define_method("#{s}!") do
self.send("#{attr}=", s)
self.save!
end
self.class.send("define_method", s) do
where(attr => s)
end
end
end
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