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 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

# 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

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

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)

ritikesh

irb(main):024:0> MemoizeUntil.const_get(:TYPE_FACTORY)[:day]
=> #<MemoizeUntil::Store:0x00007f8a61415be8 @_store={:flags_from_redis=>{18=>1}, :default=>{}}, @_kind=:day>

irb(main):025:0> MemoizeUntil.day(:default) { nil }
=> nil

irb(main):026:0> MemoizeUntil.const_get(:TYPE_FACTORY)[:day]
=> #<MemoizeUntil::Store:0x00007f8a61415be8 @_store={:flags_from_redis=>{18=>1}, :default=>{18=>#<MemoizeUntil::NullObject:0x00007f8a640226c8>}}, @_kind=:day>