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bulk_reverse_geocoding_sidekiq

⚙️ Bulk Reverse Geocoding in Background with Sidekiq and Caching​

For large datasets, perform reverse geocoding asynchronously and cache results to limit API calls. Combine Sidekiq for background processing with Rails cache or Redis to store already‐looked‐up coordinates.

# app/workers/reverse_geocode_worker.rb
class ReverseGeocodeWorker
  include Sidekiq::Worker
  sidekiq_options queue: :geocoding, retry: 3

  def perform(record_class, record_id)
    record = record_class.constantize.find(record_id)
    cache_key = "geocode:#{record.latitude},#{record.longitude}"

    location = Rails.cache.fetch(cache_key, expires_in: 12.hours) do
      Geocoder.search([record.latitude, record.longitude]).first&.address
    end

    record.update_column(:address, location) if location
  end
end

# Enqueue example for a batch
User.where(address: nil).find_each do |user|
  ReverseGeocodeWorker.perform_async('User', user.id)
end