Module: Mongoid::Sequencer::ClassMethods

Defined in:
lib/mongoid/sequencer.rb

Instance Method Summary collapse

Instance Method Details

#next_sequence_value(field_name) ⇒ Object 



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# File 'lib/mongoid/sequencer.rb', line 13

def next_sequence_value(field_name)
  collection = ::Mongoid.default_session[:__sequence]
  counter_id = "#{self.name.underscore}_#{field_name}"

  collection.find(
    _id: counter_id
  ).modify(
    {'$inc' => {value: 1}}, new: true, upsert: true
  ).fetch('value')
end

#reset_sequence(field_name) ⇒ Object 



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# File 'lib/mongoid/sequencer.rb', line 24

def reset_sequence(field_name)  
  collection = ::Mongoid.default_session[:__sequence]
  counter_id = "#{self.name.underscore}_#{field_name}"
  
  collection.find(
    _id: counter_id
  ).modify(
    {'$set' => {value: 0}}, new: true, upsert: true
  ).fetch('value')
end

#sequence(field_name) ⇒ Object 



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# File 'lib/mongoid/sequencer.rb', line 8

def sequence(field_name)
  field_name = field_name.to_s
  field field_name, default: lambda { self.class.next_sequence_value(field_name) }
end