class ProtocolKeyword < ActiveRecord::Base auto_strip_attributes :name, nullify: false validates :name, length: { minimum: Constants::NAME_MIN_LENGTH, maximum: Constants::NAME_MAX_LENGTH } validates :organization, presence: true belongs_to :organization, inverse_of: :protocol_keywords has_many :protocol_protocol_keywords, inverse_of: :protocol_keyword, dependent: :destroy has_many :protocols, through: :protocol_protocol_keywords end