修改管理后台

backend/models/CattlePen.js

@@ -0,0 +1,89 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database-simple');
+
+const CattlePen = sequelize.define('CattlePen', {
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true,
+    allowNull: false
+  },
+  name: {
+    type: DataTypes.STRING(100),
+    allowNull: false,
+    comment: '栏舍名称'
+  },
+  code: {
+    type: DataTypes.STRING(50),
+    allowNull: false,
+    unique: true,
+    comment: '栏舍编号'
+  },
+  type: {
+    type: DataTypes.ENUM('育成栏', '产房', '配种栏', '隔离栏', '治疗栏'),
+    allowNull: false,
+    comment: '栏舍类型'
+  },
+  capacity: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    comment: '栏舍容量'
+  },
+  currentCount: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0,
+    field: 'current_count',
+    comment: '当前牛只数量'
+  },
+  area: {
+    type: DataTypes.DECIMAL(10, 2),
+    allowNull: false,
+    comment: '面积(平方米)'
+  },
+  location: {
+    type: DataTypes.TEXT,
+    allowNull: true,
+    comment: '位置描述'
+  },
+  status: {
+    type: DataTypes.ENUM('启用', '停用'),
+    allowNull: false,
+    defaultValue: '启用',
+    comment: '状态'
+  },
+  remark: {
+    type: DataTypes.TEXT,
+    allowNull: true,
+    comment: '备注'
+  },
+  farmId: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    field: 'farm_id',
+    comment: '所属农场ID'
+  }
+}, {
+  tableName: 'cattle_pens',
+  timestamps: true,
+  createdAt: 'created_at',
+  updatedAt: 'updated_at',
+  comment: '栏舍设置表'
+});
+
+// 定义关联关系
+CattlePen.associate = (models) => {
+  // 栏舍属于农场
+  CattlePen.belongsTo(models.Farm, {
+    foreignKey: 'farmId',
+    as: 'farm'
+  });
+
+  // 栏舍有多个动物
+  CattlePen.hasMany(models.Animal, {
+    foreignKey: 'penId',
+    as: 'animals'
+  });
+};
+
+module.exports = CattlePen;