Module: WithReminders

Extended by:
ActiveSupport::Concern
Includes:
WithPgLock
Included in:
User
Defined in:
app/models/concerns/with_reminders.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Methods included from WithPgLock

#with_pg_lock

Instance Method Details

#build_reminder ⇒ Object 



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# File 'app/models/concerns/with_reminders.rb', line 5

def build_reminder
  mailer = UserMailer.new
  last_submission_date.nil? ?
    mailer.no_submissions_reminder(self) :
    mailer.we_miss_you_reminder(self, cycles_since(last_submission_date))
end

#remind! ⇒ Object 



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# File 'app/models/concerns/with_reminders.rb', line 12

def remind!
  build_reminder.deliver_now
  update! last_reminded_date: Time.now
end

#should_remind? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/concerns/with_reminders.rb', line 17

def should_remind?
  reminder_due? && (has_no_submissions? || has_no_recent_submission?)
end

#try_remind_with_lock! ⇒ Object

Try to send a reminder, by acquiring a database lock for update the appropriate record. This object can’t be updated as long as the reminder is being sent.

This method is aimed to be sent across multiple servers or processed concurrently and still not send duplicate mails



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# File 'app/models/concerns/with_reminders.rb', line 27

def try_remind_with_lock!
  with_pg_lock proc { remind! }, proc { should_remind? }
end