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class Location < ApplicationRecord
belongs_to :locatable, polymorphic: true, optional: true
before_save :assign_coordinates
acts_as_mappable default_units: :kms,
distance_field_name: :distance,
lat_column_name: :latitude,
lng_column_name: :longitude
def full_address
[
try(:address),
try(:city),
try(:region),
try(:country)
].join(", ")
end
def coordinates
latitude == 0.0 && longitude == 0.0 ? [] : [latitude, longitude]
end
def url
"https://maps.google.com/?q=#{latitude},#{longitude}"
end
class << self
def build_from_ip(ip)
result = search(ip)
return nil if result.nil?
new(
address: result.address,
city: result.city,
region: result.state_code,
country: result.country_code,
postal_code: result.postal_code,
latitude: result.latitude,
longitude: result.longitude,
)
end
def from(address, city, region, country)
result = search("#{address}, #{city}, #{region}, #{country}")
result.present? ? result.coordinates : [nil, nil]
end
def search(query)
results = Geocoder.search(query)
results.any? ? results.first : nil
end
end
private
def assign_coordinates
return if latitude.present? || longitude.present?
self.latitude, self.longitude =
Location.from(address, city, region, country)
end
end
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