Module: ModelHashBehaviour

Included in:
Model
Defined in:
lib/volt/models/model_hash_behaviour.rb

Overview

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.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/volt/models/model_hash_behaviour.rb', line 5

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

Instance Method Details

#[](val) ⇒ Object 



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# File 'lib/volt/models/model_hash_behaviour.rb', line 62

def [](val)
  raise "Models do not support hash style lookup.  Hashes inserted into other models are converted to models, see https://github.com/voltrb/volt#automatic-model-conversion"
end

#clear ⇒ Object 



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# File 'lib/volt/models/model_hash_behaviour.rb', line 39

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

  attributes.clear
  trigger!('changed')
  
  @persistor.removed(nil) if @persistor
end

#delete(*args) ⇒ Object 



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# File 'lib/volt/models/model_hash_behaviour.rb', line 30

def delete(*args)
  __clear_element(args[0])
  attributes.delete(*args)
  trigger_by_attribute!('changed', args[0])
  
  @persistor.removed(args[0]) if @persistor
end

#false? ⇒ Boolean

Returns:



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# File 'lib/volt/models/model_hash_behaviour.rb', line 22

def false?
  attributes.false?
end

#nil? ⇒ Boolean

Returns:



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# File 'lib/volt/models/model_hash_behaviour.rb', line 18

def nil?
  attributes.nil?
end

#to_h ⇒ Object

Convert the model to a hash all of the way down.



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# File 'lib/volt/models/model_hash_behaviour.rb', line 52

def to_h
  hash = {}
  attributes.each_pair do |key, value|
    hash[key] = deep_unwrap(value)
  end
  
  return hash
end

#true? ⇒ Boolean

Returns:



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# File 'lib/volt/models/model_hash_behaviour.rb', line 26

def true?
  attributes.true?
end