class ProtocolKeyword < ActiveRecord::Base auto_strip_attributes :name, nullify: false validates :name, presence: true, length: { maximum: 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