Module: MongoMapper::Plugins::Modifiers::ClassMethods

Defined in:
lib/mongo_mapper/plugins/modifiers.rb

Instance Method Summary collapse

Instance Method Details

#decrement(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 9

def decrement(*args)
  criteria, keys = criteria_and_keys_from_args(args)
  values, to_decrement = keys.values, {}
  keys.keys.each_with_index { |k, i| to_decrement[k] = -values[i].abs }
  collection.update(criteria, {'$inc' => to_decrement}, :multi => true)
end

#increment(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 5

def increment(*args)
  modifier_update('$inc', args)
end

#pop(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 42

def pop(*args)
  modifier_update('$pop', args)
end

#pull(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 34

def pull(*args)
  modifier_update('$pull', args)
end

#pull_all(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 38

def pull_all(*args)
  modifier_update('$pullAll', args)
end

#push(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 20

def push(*args)
  modifier_update('$push', args)
end

#push_all(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 24

def push_all(*args)
  modifier_update('$pushAll', args)
end

#push_uniq(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 28

def push_uniq(*args)
  criteria, keys = criteria_and_keys_from_args(args)
  keys.each { |key, value | criteria[key] = {'$ne' => value} }
  collection.update(criteria, {'$push' => keys}, :multi => true)
end

#set(*args) ⇒ Object 



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# File 'lib/mongo_mapper/plugins/modifiers.rb', line 16

def set(*args)
  modifier_update('$set', args)
end