class LocationPositionUpdater

This class fetches the latitude and longitude of a location’s address using the OrdnanceSurvey::PlacesAPI and stores it in the position column.

Attributes

location [R]

Public Class Methods

call (...)

Source

# File app/lib/location_position_updater.rb, line 25
def self.call(...) = new(...).call

private_class_method :new

private

def query = [location.name, location.address_parts].join(", ")

def position
  response = OrdnanceSurvey::PlacesAPI.find(query)

  results = response[:results]
  raise NoResults if results.blank?

  first_result = results.first

  latitude = first_result.dig(:dpa, :lat)
  longitude = first_result.dig(:dpa, :lng)

  raise NoResults if latitude.blank? || longitude.blank?

  "POINT(#{longitude} #{latitude})"
end

new (location)

Source

# File app/lib/location_position_updater.rb, line 13
def initialize(location)
  @location = location
end

Public Instance Methods

call ()

Source

# File app/lib/location_position_updater.rb, line 19
def call
  raise MissingAddress unless location.has_address?

  location.update!(position:)
end

position ()

Source

# File app/lib/location_position_updater.rb, line 33
def position
  response = OrdnanceSurvey::PlacesAPI.find(query)

  results = response[:results]
  raise NoResults if results.blank?

  first_result = results.first

  latitude = first_result.dig(:dpa, :lat)
  longitude = first_result.dig(:dpa, :lng)

  raise NoResults if latitude.blank? || longitude.blank?

  "POINT(#{longitude} #{latitude})"
end

query (= [location.name, location.address_parts].join(", "))

Source

# File app/lib/location_position_updater.rb, line 31
  def query = [location.name, location.address_parts].join(", ")

  def position
    response = OrdnanceSurvey::PlacesAPI.find(query)

    results = response[:results]
    raise NoResults if results.blank?

    first_result = results.first

    latitude = first_result.dig(:dpa, :lat)
    longitude = first_result.dig(:dpa, :lng)

    raise NoResults if latitude.blank? || longitude.blank?

    "POINT(#{longitude} #{latitude})"
  end
end