dcumcTest/models/poll_question.js

module.exports = (sequelize, DataTypes) => {
	let Sequelize = sequelize.Sequelize

	let PollQuestion = sequelize.define('PollQuestion', {
		question: {
			type: DataTypes.STRING,
			allowNull: false,
			validate: {
				len: {
					args: [1, 256],
					msg: 'The question must be between 1 and 256 characters'
				},
				isString (val) {
					if(typeof val !== 'string') {
						throw new Sequelize.ValidationError('The question must be a string')
					}
				}
			}
		}
	}, {
		classMethods: {
			associate (models) {
				PollQuestion.belongsTo(models.User)
				PollQuestion.hasMany(models.PollAnswer, {
					foreignKey: { name: 'question_id' }
				})
			}
		}
	})

	return PollQuestion
}