61 lines
1.1 KiB
Ruby
61 lines
1.1 KiB
Ruby
class Hydrant < ActiveRecord::Base
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include Geokit::Geocoders
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validates_presence_of :lat, :lng
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belongs_to :user
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has_many :reminders
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def self.find_closest(lat, lng, limit=50)
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query = <<-SQL
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SELECT *, (3959 * ACOS(COS(RADIANS(?)) * COS(RADIANS(lat)) * COS(radians(lng) - RADIANS(?)) + SIN(RADIANS(?)) * SIN(RADIANS(lat)))) AS distance
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FROM hydrants
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ORDER BY distance
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LIMIT ?
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SQL
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Hydrant.find_by_sql([query, lat.to_f, lng.to_f, lat.to_f, limit.to_i])
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end
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def reverse_geocode
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@reverse_geocode ||= MultiGeocoder.reverse_geocode([lat, lng])
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end
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def street_number
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reverse_geocode.street_number
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end
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def street_name
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reverse_geocode.street_name
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end
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def street_address
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reverse_geocode.street_address
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end
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def city
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reverse_geocode.city
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end
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def state
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reverse_geocode.state
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end
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def zip
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reverse_geocode.zip
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end
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def country_code
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reverse_geocode.country_code
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end
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def country
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reverse_geocode.country
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end
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def full_address
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reverse_geocode.full_address
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end
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def adopted?
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!user_id.nil?
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end
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end
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