Module: CouchPotato::Persistence::Callbacks

Defined in:
lib/couch_potato/persistence/callbacks.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/couch_potato/persistence/callbacks.rb', line 4

def self.included(base)
  base.extend ClassMethods

  base.class_eval do
    attr_accessor :skip_callbacks
    def self.callbacks
      @callbacks ||= {}
      @callbacks[self.name] ||= {:before_validation => [], :before_validation_on_create => [], 
        :before_validation_on_update => [], :before_validation_on_save => [], :before_create => [], 
        :after_create => [], :before_update => [], :after_update => [],
        :before_save => [], :after_save => [],
        :before_destroy => [], :after_destroy => []}
    end
  end
end

Instance Method Details

#run_callbacks(name) ⇒ Object

Runs all callbacks on a model with the given name, i.g. :after_create.

This method is called by the CouchPotato::Database object when saving/destroying an object



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# File 'lib/couch_potato/persistence/callbacks.rb', line 23

def run_callbacks(name)
  return if skip_callbacks
  self.class.callbacks[name].uniq.each do |callback|
    if callback.is_a?(Symbol)
      send callback
    elsif callback.is_a?(Proc)
      callback.call self
    else
      raise "Don't know how to handle callback of type #{name.class.name}"
    end
  end
end