text: export default (sequelize, DataTypes) => {
    const Role = sequelize.define('Role', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: DataTypes.INTEGER
      },
      title: {
        type: DataTypes.STRING,
        unique: {
          msg: 'Role title already taken.'
        },
        allowNull: false,
        validate: {
          notEmpty: {
            msg: 'Title cannot be empty'
          }
        }
      }
    }, {
      classMethods: {
        associate(models) {
          Role.hasMany(models.User, {
            foreignKey: 'roleId'
          });
        }
      }
    });
    return Role;
  };
  