Contents

# Contains all of the methods on a model that make it behave like a hash.
# Moving this into a module cleans up the main Model class for things that
# make it behave like a model.
module ModelHashBehaviour
  def self.included(base)
    # In modules, since we need to tag on the main class, we setup the
    # tags with included.
    base.tag_method(:delete) do
      destructive!
    end
    
    base.tag_method(:clear) do
      destructive!
    end
  end
  
  
  def nil?
    attributes.nil?
  end
  
  def false?
    attributes.false?
  end
  
  def true?
    attributes.true?
  end
  
  def delete(*args)
    __clear_element(args[0])
    attributes.delete(*args)
    trigger_by_attribute!('changed', args[0])
    
    @persistor.removed(args[0]) if @persistor
  end
  

  def clear
    attributes.each_pair do |key,value|
      __clear_element(key)      
    end

    attributes.clear
    trigger!('changed')
    
    @persistor.removed(nil) if @persistor
  end
  
  
  # Convert the model to a hash all of the way down.
  def to_h
    hash = {}
    attributes.each_pair do |key, value|
      hash[key] = deep_unwrap(value)
    end
    
    return hash
  end
  
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
volt-0.6.5	lib/volt/models/model_hash_behaviour.rb
volt-0.6.4	lib/volt/models/model_hash_behaviour.rb
volt-0.6.3	lib/volt/models/model_hash_behaviour.rb
volt-0.6.2	lib/volt/models/model_hash_behaviour.rb