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Module: Mongoid::Association::Referenced::Syncable::ClassMethods

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Extended In:
::Mongoid::Association, ::Mongoid::Composable, ::Mongoid::Document
Defined in: lib/mongoid/association/referenced/syncable.rb

Instance Method Summary

Instance Method Details

#_synced(association)

::Set up the syncing of many to many foreign keys.

Examples:

::Set up the syncing.

Person._synced(association)

Parameters:

[ GitHub ] 

  


# File 'lib/mongoid/association/referenced/syncable.rb', line 99



def _synced(association)
  return if association.forced_nil_inverse?

  synced_save(association)
  synced_destroy(association)
end


  








  

    #synced_destroy(association)  ⇒ Class  (private)
  



  

    

::Set up the sync of inverse keys that needs to happen on a destroy.


  





    

    
Examples:

        


::Set up the destroy syncing.



      
Person.synced_destroy(association)

  


Parameters:



Returns:


    
  
  • 
    (Class)
—    
    

    The class getting set up.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongoid/association/referenced/syncable.rb', line 139



def synced_destroy(association)
  set_callback(
    :destroy,
    :after
  ) do |doc|
    doc.remove_inverse_keys(association)
  end
  self
end


  








  

    #synced_save(association)  ⇒ Class  (private)
  



  

    

::Set up the sync of inverse keys that needs to happen on a save.



If the foreign key field has changed and the document is not synced, $addToSet the new ids, $pull the ones no longer in the array from the inverse side.


  





    

    
Examples:

        


::Set up the save syncing.



      
Person.synced_save(association)

  


Parameters:



Returns:


    
  
  • 
    (Class)
—    
    

    The class getting set up.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongoid/association/referenced/syncable.rb', line 120



def synced_save(association)
  set_callback(
    :save,
    :after,
    if: ->(doc) { doc._syncable?(association) }
  ) do |doc|
    doc.update_inverse_keys(association)
  end
  self
end