set_profile_region_from_city_state.rb
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module SetProfileRegionFromCityState
module ClassMethods
def set_profile_region_from_city_state
before_save :region_from_city_and_state
include InstanceMethods
alias_method_chain :city=, :region
alias_method_chain :state=, :region
end
end
module InstanceMethods
def city_with_region=(value)
self.city_without_region = value
@change_region = true
end
def state_with_region=(value)
self.state_without_region = value
@change_region = true
end
def region_from_city_and_state
if @change_region
s = State.find_by_contents(self.state)[:results].first
if s
c = City.find_by_contents(self.city, {}, :filter_queries => ["parent_id:#{s.id}"])[:results].first
self.region = c
end
end
end
end
end