Module: DeltaChanges::Extension

Defined in:
lib/delta_changes.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/delta_changes.rb', line 5

def self.included(base)
  base.extend(ClassMethods)
  base.cattr_accessor :delta_changes_options
  base.attribute_method_suffix '_delta_changed?', '_delta_change', '_delta_was', '_delta_will_change!'
  base.send(:alias_method, :write_attribute_without_delta_changes, :write_attribute)
  base.send(:alias_method, :write_attribute, :write_attribute_with_delta_changes)
end

Instance Method Details

#delta_changes ⇒ Object 



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# File 'lib/delta_changes.rb', line 45

def delta_changes
  delta_changed_attributes.keys.inject({}) { |h, attr| h[attr] = attribute_delta_change(attr); h }
end

#delta_changes? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/delta_changes.rb', line 49

def delta_changes?
  delta_changed_attributes.keys.present?
end

#reset_delta_changes! ⇒ Object 



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# File 'lib/delta_changes.rb', line 55

def reset_delta_changes!
  delta_changed_attributes.clear
end