添加银行端后端接口

government-backend/models/Material.js

@@ -0,0 +1,93 @@
+const { DataTypes } = require('sequelize');
+const sequelize = require('../config/database');
+
+const Material = sequelize.define('Material', {
+  id: {
+    type: DataTypes.UUID,
+    defaultValue: DataTypes.UUIDV4,
+    primaryKey: true,
+  },
+  code: {
+    type: DataTypes.STRING,
+    allowNull: false,
+    unique: true,
+    comment: '物资编号'
+  },
+  name: {
+    type: DataTypes.STRING,
+    allowNull: false,
+    comment: '物资名称'
+  },
+  category: {
+    type: DataTypes.STRING,
+    allowNull: false,
+    comment: '物资类别',
+    validate: {
+      isIn: [['feed', 'medicine', 'equipment', 'other']]
+    }
+  },
+  unit: {
+    type: DataTypes.STRING,
+    allowNull: false,
+    comment: '单位'
+  },
+  stockQuantity: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0,
+    comment: '库存数量'
+  },
+  warningQuantity: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0,
+    comment: '预警数量'
+  },
+  status: {
+    type: DataTypes.STRING,
+    allowNull: false,
+    defaultValue: 'normal',
+    comment: '状态',
+    validate: {
+      isIn: [['normal', 'low', 'out']]
+    }
+  },
+  supplier: {
+    type: DataTypes.STRING,
+    allowNull: true,
+    comment: '供应商'
+  },
+  remark: {
+    type: DataTypes.TEXT,
+    allowNull: true,
+    comment: '备注'
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    allowNull: false,
+    defaultValue: DataTypes.NOW,
+    comment: '更新时间'
+  }
+}, {
+  tableName: 'materials',
+  timestamps: true,
+  paranoid: true,
+  underscored: true,
+  freezeTableName: true
+});
+
+// 钩子函数，在保存前更新状态和更新时间
+Material.beforeSave((material) => {
+  material.updateTime = new Date();
+  
+  // 根据库存数量和预警数量更新状态
+  if (material.stockQuantity <= 0) {
+    material.status = 'out';
+  } else if (material.stockQuantity <= material.warningQuantity) {
+    material.status = 'low';
+  } else {
+    material.status = 'normal';
+  }
+});
+
+module.exports = Material;