Set city, zipcode, address from lat and long using Geocoder

application_spider.rb

# Utility method to set city, zipcode and address from geolocation
# +item+          - a hash which should have latitude and longitude set
# +skip_city+     - set to true to skip setting city    from geolocation
# +skip_zipcode+  - set to true to skip setting zipcode from geolocation
# +skip_address+  - set to true to skip setting address from geolocation
def self.set_location_details!(item:, skip_city: false, skip_zipcode: false, skip_address: false)
  results = Geocoder.search([item[:latitude], item[:longitude]])

  if results.present?
    unless skip_city
      result = results.first.address_components.find { |c| c['types'].include?('locality') }

      item[:city]     = result['long_name'] if result.present?
    end

    return if skip_zipcode && skip_address

    nearest_location  = results.first
    return if nearest_location.blank?

    item[:zipcode]    = nearest_location.postal_code        unless skip_zipcode
    item[:address]    = nearest_location.formatted_address  unless skip_address
  end
end

your_spider.rb

...
...
# Set latitude and longitude
item[:latitude]   = <set latitude here>
item[:longitude]  = <set longitude here>

# Set city, zipcode and address
ApplicationSpider.set_location_details!(item: item)

# Set only zipcode and address skipping city
ApplicationSpider.set_location_details!(item: item, skip_city: true)

# pass skip_city, skip_zipcode, skip_address etc with boolean `true` as required. Default is false for all those options.

# You can always override values set by `set_location_details!` after you make call to it like


ApplicationSpider.set_location_details!(item: item)
item[:city] = 'Copenhagen'