ritikesh

module Creator
    extend ActiveSupport::Concern
    
    included do
        before_validation -> {
            self.creator_id = User.current.id if User.current
        }, on: :create

        belongs_to :creator, class_name: 'User', foreign_key: :creator_id
    end

ritikesh

class MailboxInterceptor
  def self.delivering_email(mail)
    set_smtp_settings(mail)
    fix_encodings
  ensure
      unset_email_config
  end
 
  private
  def self.set_smtp_settings(mail)

ritikesh

class ApplicationMailer < ActionMailer::Base
  before_action :block_spam_accounts, if: -> { Tenant.current.spam? }
 
  private
  def block_spam_accounts
    self.response_body= "Abort!"
  end
end

ritikesh

class ApplicationMailer < ActionMailer::Base
  before_action :block_spam_accounts, if: -> { Tenant.current.spam? }
 
  private
  def block_spam_accounts
    message.perform_deliveries = false
  end
end

ritikesh

class MailboxInterceptor
  def self.delivering_email(mail)
    set_smtp_settings(mail)
    fix_encodings
    mail.perform_deliveries = Rails.env.production? || File.exists?("#{Rails.root}/tmp/send_emails.txt")
  ensure
    unset_email_config
  end
end
ActionMailer::Base.register_interceptor(MailboxInterceptor)

ritikesh

module MailObserver
  def self.delivered_email(mail)
    logger = ActionMailer::Base.logger
    logger.tagged(mail.message_id) do
      logger.info do
        recipients = Array(mail.to).join(', ')
        "Sent mail to #{recipients}"
      end
    end
    logger.debug { mail.encoded }

ritikesh

class Tenant < ActiveRecord::Base
  ...
  # associations
  has_one :tenant_configs
  delegate :locale, :timezone, :date_format, ..., to: :tenant_configs_from_cache
  
  def tenant_configs_from_cache
    Rails.cache.fetch(“tenant_configs:#{self.id}:#{self.tenant_configs.updated_at.to_i}”) { self.tenant_configs }
  end
  ...

ritikesh

class Tenant < ActiveRecord::Base
  ...
  # associations
  has_one :tenant_configs
  delegate :locale, :timezone, :date_format, ..., to: :tenant_configs
  ...
end

ritikesh

# Before
class User < ActiveRecord::Base
  validates_uniqueness_of :username, message: :taken
end

# After
class User < ActiveRecord::Base
  handle_record_not_unique(field: ["username"], message: {username: :taken})
end

ritikesh

Benchmarks	User	System	Total	Real
Rehearsal
Existing	2.600000	0.240000	2.840000	(2.833792)
New	1.190000	0.010000	1.200000	(1.206466)
Actual
Existing	2.140000	0.050000	2.190000	(2.194628)
New	0.830000	0.010000	0.840000	(0.835711)