Module: ActsAsJoinable::Dirty::InstanceMethods

Defined in:
lib/acts_as_joinable/dirty.rb

Instance Method Summary collapse

Instance Method Details

#join_attribute_changes(context = nil) ⇒ Object 



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# File 'lib/acts_as_joinable/dirty.rb', line 40

def join_attribute_changes(context = nil)
  join_attributes_changed(context).inject({}) do |changes, join_attribute|
    changes[join_attribute] = join_attribute_change(join_attribute, context)
    changes
  end
end

#join_attributes_changed(context = nil) ⇒ Object 



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# File 'lib/acts_as_joinable/dirty.rb', line 36

def join_attributes_changed(context = nil)
  join_attributes_changed_context(context).keys
end

#join_attributes_changed?(context = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_as_joinable/dirty.rb', line 32

def join_attributes_changed?(context = nil)
  !join_attributes_changed_context(context).empty?
end

#reload(*args) ⇒ Object

:nodoc:



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# File 'lib/acts_as_joinable/dirty.rb', line 47

def reload(*args) #:nodoc:
  result = super

  @join_attributes.clear if @join_attributes
  @join_attributes_changed.clear if @join_attributes_changed

  result
end

#write_join_attribute(name, value, context = nil) ⇒ Object 



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# File 'lib/acts_as_joinable/dirty.rb', line 13

def write_join_attribute(name, value, context = nil)
  name = name.to_s
  assert_valid_join_attribute(name)
  
  join_attributes_changed = join_attributes_changed_context(context)

  if join_attributes_changed.include?(name)
    old = join_attributes_changed[name]
    join_attributes_changed.delete(name) unless join_attribute_value_changed?(name, old, value)
  else
    old = clone_join_attribute_value(name, context)
    join_attributes_changed[name] = old if join_attribute_value_changed?(name, old, value)
  end

  join_attributes_context(context)[name] = value

  value
end