优化项目bug

backend/controllers/cattlePenController.js

@@ -1,4 +1,4 @@
-const { CattlePen, Farm, IotCattle } = require('../models');
+const { CattlePen, Farm, IotCattle, CattleType, CattleUser } = require('../models');
 const { Op } = require('sequelize');
 
 /**
@@ -378,7 +378,16 @@ class CattlePenController {
       // 获取栏舍中的牛只
       const { count, rows } = await IotCattle.findAndCountAll({
         where: { penId: id },
-        attributes: ['id', 'earNumber', 'sex', 'strain', 'orgId'],
+        attributes: [
+          'id', 
+          'earNumber', 
+          'sex', 
+          'strain', 
+          'varieties', 
+          'birthday',
+          'parity',
+          'orgId'
+        ],
         include: [
           {
             model: Farm,
@@ -391,10 +400,82 @@ class CattlePenController {
         order: [['earNumber', 'ASC']]
       });
 
+      // 获取品种和品系映射数据
+      const typeIds = [...new Set(rows.map(cattle => cattle.varieties).filter(id => id))];
+      const strainIds = [...new Set(rows.map(cattle => cattle.strain).filter(id => id))];
+      
+      const typeNames = {};
+      if (typeIds.length > 0) {
+        const types = await CattleType.findAll({
+          where: { id: typeIds },
+          attributes: ['id', 'name']
+        });
+        types.forEach(type => {
+          typeNames[type.id] = type.name;
+        });
+      }
+      
+      const userNames = {};
+      if (strainIds.length > 0) {
+        const users = await CattleUser.findAll({
+          where: { id: strainIds },
+          attributes: ['id', 'name']
+        });
+        users.forEach(user => {
+          userNames[user.id] = user.name;
+        });
+      }
+
+      // 转换数据格式，添加计算字段
+      const transformedRows = rows.map(cattle => {
+        // 计算月龄（基于出生日期）
+        let ageInMonths = 0;
+        if (cattle.birthday) {
+          const birthDate = new Date(cattle.birthday * 1000); // 假设birthday是Unix时间戳
+          const now = new Date();
+          ageInMonths = Math.floor((now - birthDate) / (1000 * 60 * 60 * 24 * 30));
+        }
+
+        // 性别转换
+        const genderMap = { 1: '公', 2: '母', 0: '未知' };
+        const gender = genderMap[cattle.sex] || '未知';
+
+        // 品种转换（动态查询）
+        const breed = typeNames[cattle.varieties] || `品种ID:${cattle.varieties}`;
+
+        // 生理阶段判断（基于月龄和性别）
+        let physiologicalStage = '未知';
+        if (ageInMonths < 6) {
+          physiologicalStage = '犊牛';
+        } else if (ageInMonths < 12) {
+          physiologicalStage = '育成牛';
+        } else if (ageInMonths < 24) {
+          physiologicalStage = '青年牛';
+        } else if (cattle.sex === 2) { // 母牛
+          if (cattle.parity > 0) {
+            physiologicalStage = '泌乳牛';
+          } else {
+            physiologicalStage = '后备母牛';
+          }
+        } else { // 公牛
+          physiologicalStage = '种公牛';
+        }
+
+        return {
+          id: cattle.id,
+          earTag: cattle.earNumber, // 映射到前端期望的字段名
+          breed: breed,
+          gender: gender,
+          ageInMonths: ageInMonths,
+          physiologicalStage: physiologicalStage,
+          farm: cattle.farm
+        };
+      });
+
       res.json({
         success: true,
         data: {
-          list: rows,
+          list: transformedRows,
           total: count,
           page: parseInt(page),
           pageSize: parseInt(pageSize)