Initial commit: 宁夏智慧养殖监管平台

backend/models/Order.js

@@ -0,0 +1,146 @@
+/**
+ * Order 模型定义
+ * @file Order.js
+ * @description 定义订单模型，用于数据库操作
+ */
+const { DataTypes } = require('sequelize');
+const BaseModel = require('./BaseModel');
+const { sequelize } = require('../config/database-simple');
+
+/**
+ * 订单模型
+ * @typedef {Object} Order
+ * @property {number} id - 订单唯一标识
+ * @property {number} user_id - 用户ID
+ * @property {number} total_amount - 订单总金额（单位：分）
+ * @property {string} status - 订单状态
+ * @property {string} payment_status - 支付状态
+ * @property {string} shipping_address - 收货地址
+ * @property {Date} created_at - 创建时间
+ * @property {Date} updated_at - 更新时间
+ */
+class Order extends BaseModel {
+  /**
+   * 获取用户的所有订单
+   * @param {Number} userId 用户ID
+   * @param {Object} options 查询选项
+   * @returns {Promise<Array>} 订单列表
+   */
+  static async getUserOrders(userId, options = {}) {
+    return await this.findAll({
+      where: { user_id: userId },
+      ...options
+    });
+  }
+
+  /**
+   * 获取订单详情，包括订单项
+   * @returns {Promise<Object>} 订单详情
+   */
+  async getOrderDetails() {
+    return await Order.findByPk(this.id, {
+      include: [{ model: sequelize.models.OrderItem }]
+    });
+  }
+
+  /**
+   * 计算订单总金额
+   * @returns {Promise<Number>} 订单总金额
+   */
+  async calculateTotal() {
+    const orderItems = await this.getOrderItems();
+    let total = 0;
+    
+    for (const item of orderItems) {
+      total += item.price * item.quantity;
+    }
+    
+    this.total_amount = total;
+    await this.save();
+    
+    return total;
+  }
+
+  /**
+   * 更新订单状态
+   * @param {String} status 新状态
+   * @returns {Promise<Boolean>} 更新结果
+   */
+  async updateStatus(status) {
+    try {
+      this.status = status;
+      await this.save();
+      return true;
+    } catch (error) {
+      console.error('更新订单状态失败:', error);
+      return false;
+    }
+  }
+
+  /**
+   * 更新支付状态
+   * @param {String} paymentStatus 新支付状态
+   * @returns {Promise<Boolean>} 更新结果
+   */
+  async updatePaymentStatus(paymentStatus) {
+    try {
+      this.payment_status = paymentStatus;
+      await this.save();
+      return true;
+    } catch (error) {
+      console.error('更新支付状态失败:', error);
+      return false;
+    }
+  }
+}
+
+// 初始化Order模型
+Order.init({
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  user_id: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    references: {
+      model: 'users',
+      key: 'id'
+    },
+    onDelete: 'CASCADE'
+  },
+  total_amount: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0,
+    comment: '单位：分'
+  },
+  status: {
+    type: DataTypes.ENUM('pending', 'processing', 'shipped', 'delivered', 'cancelled'),
+    allowNull: false,
+    defaultValue: 'pending'
+  },
+  payment_status: {
+    type: DataTypes.ENUM('unpaid', 'paid', 'refunded'),
+    allowNull: false,
+    defaultValue: 'unpaid'
+  },
+  shipping_address: {
+    type: DataTypes.TEXT,
+    allowNull: true
+  }
+}, {
+  sequelize,
+  tableName: 'orders',
+  modelName: 'Order',
+  timestamps: true,
+  createdAt: 'created_at',
+  updatedAt: 'updated_at'
+});
+
+/**
+ * 导出订单模型
+ * @exports Order
+ */
+module.exports = Order;