Module: Parentry::Strategy::Array::InstanceMethods

Defined in:
lib/parentry/strategy/array/instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#ancestor_conditions ⇒ Object 



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# File 'lib/parentry/strategy/array/instance_methods.rb', line 30

def ancestor_conditions
  ["#{parentry_column} <@ ARRAY[?]", parentry]
end

#cascade_parentry ⇒ Object 



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# File 'lib/parentry/strategy/array/instance_methods.rb', line 14

def cascade_parentry
  old_path, new_path = saved_changes[parentry_column]
  parentry_scope.where(
    ["#{parentry_column} @> ARRAY[:tree] AND id != :id", tree: old_path, id: id]
  ).update_all(
    [
      "#{parentry_column} = array_cat(ARRAY[?], #{parentry_column}[?:array_length(#{parentry_column}, 1)])",
      new_path, old_path.size + 1
    ]
  )
end

#compute_parentry ⇒ Object 



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# File 'lib/parentry/strategy/array/instance_methods.rb', line 9

def compute_parentry
  return [] unless persisted?
  parent.present? ? parent.parentry + [id] : [id]
end

#parse_parentry(input = parentry) ⇒ Object 



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# File 'lib/parentry/strategy/array/instance_methods.rb', line 5

def parse_parentry(input = parentry)
  input
end

#subtree_conditions ⇒ Object 



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# File 'lib/parentry/strategy/array/instance_methods.rb', line 26

def subtree_conditions
  ["#{parentry_column} @> ARRAY[?]", parentry]
end