const { DataTypes } = require('sequelize'); module.exports = (sequelize) => { const Institution = sequelize.define('Institution', { name: { type: DataTypes.STRING, allowNull: false }, street: { type: DataTypes.STRING, allowNull: true }, zipcode: { type: DataTypes.STRING, allowNull: true }, city: { type: DataTypes.STRING, allowNull: true }, phone: { type: DataTypes.STRING, allowNull: true }, fax: { type: DataTypes.STRING, allowNull: true }, email: { type: DataTypes.STRING, allowNull: true } }, { tableName: 'institutions', timestamps: false }); Institution.associate = function(models) { Institution.belongsToMany(models.ContactPerson, { through: models.InstitutionContactPerson, foreignKey: 'institution_id', otherKey: 'contact_person_id', as: 'contactPersons' }); Institution.hasMany(models.Event, { foreignKey: 'institution_id', as: 'events' }); }; return Institution; };