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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 4x 1x 1x 6x | import { useCallback, useEffect, useMemo } from 'react';
import { Alert } from 'react-native';
import { useLocalSearchParams } from 'expo-router';
import { useCatFoodStore } from '@/src/store/catFoodStore';
import { useCatfoodRealtime } from '@/src/hooks/useCatfoodRealtime';
/**
* 猫粮详情数据管理 Hook
* 负责猫粮详情数据的获取
* 包含实时数据同步功能
*/
export function useCatFoodDetail() {
const params = useLocalSearchParams();
// 从路由参数获取猫粮 ID
const catfoodId = useMemo(() => (params.id ? Number(params.id) : null), [params.id]);
// 使用 catFoodStore - 使用选择器避免不必要的重渲染
const fetchCatFoodById = useCatFoodStore((state) => state.fetchCatFoodById);
const isLoading = useCatFoodStore((state) => state.isLoading);
// 使用 useMemo 优化 selector，避免每次渲染都创建新函数
const catFoodSelector = useCallback(
(state: ReturnType<typeof useCatFoodStore.getState>) =>
catfoodId ? state.getCatFoodById(catfoodId) : null,
[catfoodId]
);
const catFood = useCatFoodStore(catFoodSelector);
// 🔥 启用实时订阅 - 监听当前猫粮的评分、点赞变化
useCatfoodRealtime({
enabled: !!catfoodId, // 只在有猫粮ID时启用
catfoodId: catfoodId || undefined,
onUpdate: (updatedCatfood) => {
console.log('🔔 详情页收到实时更新:', updatedCatfood.name, {
score: updatedCatfood.score,
countNum: updatedCatfood.countNum,
});
},
});
useEffect(() => {
if (catfoodId && !catFood) {
// 如果缓存中没有数据，则从服务器加载
fetchCatFoodById(catfoodId).catch((error) => {
console.error('加载猫粮详情失败:', error);
Alert.alert('加载失败', '无法获取猫粮详情，请稍后重试');
});
}
}, [catfoodId, catFood, fetchCatFoodById]);
return {
catfoodId,
catFood,
isLoading,
};
}
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