Module: Parentry::InstanceMethods

Defined in:
lib/parentry/instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#ancestor_ids_was ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 47

def ancestor_ids_was
  return [] unless saved_changes[parentry_column]

  parse_parentry(saved_changes[parentry_column][0]).tap(&:pop)
end

#assign_parentry ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 16

def assign_parentry
  write_attribute(parentry_column, compute_parentry)
end

#cache_parentry_depth ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 20

def cache_parentry_depth
  write_attribute(:parentry_depth, depth)
end

#commit_parentry ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 12

def commit_parentry
  update_column(parentry_column, compute_parentry)
end

#parentry ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 24

def parentry
  read_attribute(parentry_column)
end

#parentry_scope ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 3

def parentry_scope
  self.class.base_class
end

#prevent_circular_parentry ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 7

def prevent_circular_parentry
  computed = parse_parentry(compute_parentry)
  errors.add(:parentry, 'contains a circular reference') unless computed.uniq == computed
end

#touch_ancestors_callback ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 28

def touch_ancestors_callback
  return unless touch_ancestors
  return if touch_callbacks_disabled?

  parentry_scope.where(id: ancestor_ids_was + ancestor_ids).each do |ancestor|
    ancestor.without_touch_callbacks { ancestor.touch }
  end
end

#touch_callbacks_disabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/parentry/instance_methods.rb', line 43

def touch_callbacks_disabled?
  @disable_touch_callbacks
end

#without_touch_callbacks ⇒ Object 



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# File 'lib/parentry/instance_methods.rb', line 37

def without_touch_callbacks
  @disable_touch_callbacks = true
  yield
  @disable_touch_callbacks = false
end