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class CityCache < ActiveRecord::Base
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self.table_name = :city_cache
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belongs_to :city
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def self.search(str)
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CityCache.find_by_search(str.downcase)
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end
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def self.cache(str, city_id)
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CityCache.create(city_id: city_id, search: str.downcase)
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end
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end
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