class Projecao::ProjecaoDoIndice < ApplicationRecord
	has_paper_trail

	belongs_to :indice_de_projecao, inverse_of: :projecoes_do_indice

	validates_uniqueness_of :exercicio, scope: :indice_de_projecao_id

	validates_presence_of :exercicio
	validates_presence_of :indice_de_projecao

	validates_numericality_of :exercicio
	validates_numericality_of :percentual, greater_than_or_equal_to: 0, less_than_or_equal_to: 100, allow_nil: true
end