Class: TrackIt::Wrapper

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::AttributeMethods
Defined in:
lib/trackit/wrapper.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ Wrapper

Returns a new instance of Wrapper.



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# File 'lib/trackit/wrapper.rb', line 8

def initialize(model)
  @model = model
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/trackit/wrapper.rb', line 6

def model
  @model
end

Instance Method Details

#changed ⇒ Object 



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# File 'lib/trackit/wrapper.rb', line 16

def changed
  changed = []
  bits_num = tracked_attributes.size
  (bits_num-1).downto(0) do |i|
    changed << tracked_attributes[i] if model.tracked_attributes[i] == 1
  end
  changed
end

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trackit/wrapper.rb', line 12

def changed?
  model.tracked_attributes != 0
end

#set_all_changed ⇒ Object 



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# File 'lib/trackit/wrapper.rb', line 37

def set_all_changed
  @model.tracked_attributes |= (~0)
end

#set_all_unchanged ⇒ Object 



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# File 'lib/trackit/wrapper.rb', line 33

def set_all_unchanged
  @model.tracked_attributes = 0
end

#set_changed(attr) ⇒ Object 



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# File 'lib/trackit/wrapper.rb', line 25

def set_changed(attr)
  @model.tracked_attributes |= 2 ** tracked_attributes.index(attr)
end

#set_unchanged(attr) ⇒ Object 



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# File 'lib/trackit/wrapper.rb', line 29

def set_unchanged(attr)
  @model.tracked_attributes &= ~(2 ** tracked_attributes.index(attr))
end