Class: WolfCore::GeoLocationDataSource

Inherits:
Object
  • Object
show all
Includes:
LoggingUtils
Defined in:
lib/wolf_core/infrastructure/geo_location_data_source.rb

Instance Method Summary collapse

Methods included from LoggingUtils

#log_object

Constructor Details

#initialize ⇒ GeoLocationDataSource

Returns a new instance of GeoLocationDataSource.



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# File 'lib/wolf_core/infrastructure/geo_location_data_source.rb', line 10

def initialize
  api_key = ENV["GOOGLE_MAPS_API_KEY"]
  if api_key.nil? || api_key.empty?
    raise ArgumentError, "GOOGLE_MAPS_API_KEY environment variable must be configured"
  end

  Geocoder.configure(
    lookup: :google,
    api_key: api_key
  )
end

Instance Method Details

#calculate_distance(coord1, coord2) ⇒ Object 



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# File 'lib/wolf_core/infrastructure/geo_location_data_source.rb', line 33

def calculate_distance(coord1, coord2)
  lat1, lon1 = coord1[:latitude], coord1[:longitude]
  lat2, lon2 = coord2[:latitude], coord2[:longitude]

  earth_radius_meters = 6_371_000

  lat1_rad = lat1 * Math::PI / 180
  lat2_rad = lat2 * Math::PI / 180
  delta_lat = (lat2 - lat1) * Math::PI / 180
  delta_lon = (lon2 - lon1) * Math::PI / 180

  a = Math.sin(delta_lat / 2)**2 +
      Math.cos(lat1_rad) * Math.cos(lat2_rad) * Math.sin(delta_lon / 2)**2
  c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a))

  earth_radius_meters * c
end

#get_address_coordinates(address_string) ⇒ Object 



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# File 'lib/wolf_core/infrastructure/geo_location_data_source.rb', line 22

def get_address_coordinates(address_string)
  results = Geocoder.search(address_string)
  return nil if results.empty?

  result = results.first
  { latitude: result.latitude, longitude: result.longitude }
rescue StandardError => e
  log_geocoding_error(address_string, e)
  nil
end