const { DataTypes } = require('sequelize'); const sequelize = require('./db'); const Activity = sequelize.define('Activity', { id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true }, title: { type: DataTypes.STRING, allowNull: false }, description: DataTypes.TEXT, location: DataTypes.STRING, locationLat: DataTypes.DECIMAL(10, 7), locationLng: DataTypes.DECIMAL(10, 7), startTime: DataTypes.DATE, endTime: DataTypes.DATE, registrationDeadline: DataTypes.DATE, maxParticipants: DataTypes.INTEGER, status: { type: DataTypes.ENUM('upcoming', 'ongoing', 'completed'), defaultValue: 'upcoming' }, registrationEnabled: { type: DataTypes.BOOLEAN, defaultValue: true, comment: '报名开关' }, coverImage: DataTypes.STRING, price: { type: DataTypes.DECIMAL(10, 2), defaultValue: 0, comment: '人均费用' }, budget: { type: DataTypes.DECIMAL(10, 2), defaultValue: 0, comment: '活动预算' } }); module.exports = Activity;