Module: AssetCloud::Callbacks

Extended by:
ActiveSupport::Concern
Included in:
AssetExtension
Defined in:
lib/asset_cloud/callbacks.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#callbacks_for(symbol) ⇒ Object 



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# File 'lib/asset_cloud/callbacks.rb', line 57

def callbacks_for(symbol)
  self.class.send(symbol) || []
end

#execute_callbacks(symbol, args) ⇒ Object 



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# File 'lib/asset_cloud/callbacks.rb', line 37

def execute_callbacks(symbol, args)
  callbacks_for(symbol).each do |callback|

    result = case callback
    when Symbol
      self.send(callback, *args)
    when Proc, Method
      callback.call(self, *args)
    else
      if callback.respond_to?(method)
        callback.send(method, self, *args)
      else
        raise StandardError, "Callbacks must be a symbol denoting the method to call, a string to be evaluated, a block to be invoked, or an object responding to the callback method."
      end
    end
    return false if result == false
  end
  true
end