sidekiq

ruby
class CreateWebhookEvents < ActiveRecord::Migration[7.1]
  def change
    create_table :webhook_events do |t|
      t.string :event_id, null: false
      t.string :source, null: false, default: "stripe"
      t.string :event_type, null: false

Idempotent Stripe Webhook Processing with a Unique Event Key in Rails

rails postgres webhooks
by codesnips 4 tabs
ruby
class CreateOutboxEvents < ActiveRecord::Migration[7.1]
  def change
    create_table :outbox_events do |t|
      t.string :event_type, null: false
      t.string :aggregate_type, null: false
      t.string :aggregate_id, null: false

Transactional Outbox for Reliable Event Publishing

rails background-jobs reliability
by codesnips 4 tabs
ruby
class SyncContactJob < ApplicationJob
  queue_as :external

  BACKOFF = ->(executions) do
    (2**executions) + rand(0.0..1.0) # exponential + jitter, in seconds
  end

Exponential Backoff with Jitter for Flaky External API Calls in ActiveJob

rails activejob background-jobs
by codesnips 3 tabs
ruby
class ProcessPaymentWorker
  include Sidekiq::Worker

  sidekiq_options queue: :critical, retry: 10

  sidekiq_retry_in do |count, exception|

Background job retry strategies

rails sidekiq background-jobs
by Alex Kumar 1 tab
ruby
class ShippedEmailJob
  include Sidekiq::Job
  sidekiq_options queue: :mailers, retry: 5

  def perform(order_id)
    order = Order.find_by(id: order_id)

Fan Out Notifications to Email and SMS Using an ActiveRecord Observer

rails activerecord observer
by codesnips 3 tabs
ruby
class Reminder < ApplicationRecord
  belongs_to :user

  validates :time_zone, inclusion: { in: ActiveSupport::TimeZone::MAPPING.values }
  validates :local_time, presence: true

Time Zone Safe Scheduling

rails timezone scheduling
by codesnips 3 tabs
ruby
class DebouncedReindexJob
  include Sidekiq::Job

  sidekiq_options queue: :indexing, retry: 5

  DEBOUNCE_DELAY = 5 # seconds

Debouncing Sidekiq Jobs Per-Record With Redis So Rapid Updates Coalesce Into One Run

rails sidekiq redis
by codesnips 3 tabs
ruby
class InventoryLevel < ApplicationRecord
  belongs_to :warehouse

  UPSERT_COLUMNS = %w[warehouse_id sku on_hand reserved updated_at].freeze

  def self.upsert_counts(rows)

Bulk-Upsert Inventory Counts in One Query From a Sidekiq Job

rails postgres upsert
by codesnips 3 tabs