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* 点赞/收藏状态管理 Hook
*/
import { useCallback, useEffect, useState } from 'react';
import { supabaseCatfoodService } from '@/src/lib/supabase';
import { appEvents, APP_EVENTS } from '@/src/utils';
interface ActionStatus {
liked: boolean;
likeCount: number;
favorited: boolean;
}
interface UseActionStatusReturn {
// 状态
liked: boolean;
likeCount: number;
favorited: boolean;
isLoading: boolean;
// 操作
toggleLike: () => Promise<void>;
toggleFavorite: () => Promise<void>;
}
/** 点赞/收藏状态管理 */
export function useActionStatus(catfoodId: string): UseActionStatusReturn {
const [status, setStatus] = useState<ActionStatus>({
liked: false,
likeCount: 0,
favorited: false,
});
const [isLoading, setIsLoading] = useState(true);
// 初始化：并行获取所有状态
useEffect(() => {
let isMounted = true;
const fetchAllStatus = async () => {
try {
setIsLoading(true);
// 并行请求，提高性能
const [favoriteResult, likeResult, countResult] = await Promise.all([
supabaseCatfoodService.checkFavorite(catfoodId),
supabaseCatfoodService.checkLike(catfoodId),
supabaseCatfoodService.getLikeCount(catfoodId),
]);
Iif (!isMounted) return;
setStatus({
favorited: favoriteResult.data ?? false,
liked: likeResult.data ?? false,
likeCount: countResult.data ?? 0,
});
} catch (error) {
console.error('获取状态失败:', error);
} finally {
Eif (isMounted) {
setIsLoading(false);
}
}
};
fetchAllStatus();
return () => {
isMounted = false;
};
}, [catfoodId]);
// 切换点赞
const toggleLike = useCallback(async () => {
// 乐观更新
const newLiked = !status.liked;
const newCount = newLiked ? status.likeCount + 1 : status.likeCount - 1;
console.log('[toggleLike] 开始 - 当前状态:', {
liked: status.liked,
favorited: status.favorited,
});
setStatus((prev) => ({
...prev,
liked: newLiked,
likeCount: newCount,
}));
try {
const result = await supabaseCatfoodService.toggleLike(catfoodId);
console.log('[toggleLike] API 返回:', result.data);
Eif (result.data) {
// 同步真实状态
setStatus((prev) => ({
...prev,
liked: result.data!.liked,
likeCount: result.data!.likes,
}));
// 发送点赞变更事件
appEvents.emit(APP_EVENTS.LIKE_CHANGED, { catfoodId, liked: result.data!.liked });
}
} catch (error) {
console.error('点赞失败:', error);
// 回滚
setStatus((prev) => ({
...prev,
liked: !newLiked,
likeCount: status.likeCount,
}));
throw error;
}
}, [catfoodId, status]);
// 切换收藏
const toggleFavorite = useCallback(async () => {
// 乐观更新
const newFavorited = !status.favorited;
setStatus((prev) => ({
...prev,
favorited: newFavorited,
}));
try {
const result = await supabaseCatfoodService.toggleFavorite(catfoodId);
Eif (result.data) {
// 同步真实状态 - SQL 函数返回 is_favorited 字段
const finalFavorited = result.data!.is_favorited ?? newFavorited;
setStatus((prev) => ({
...prev,
favorited: finalFavorited,
}));
// 发送收藏变更事件
appEvents.emit(APP_EVENTS.FAVORITE_CHANGED, { catfoodId, favorited: finalFavorited });
}
} catch (error) {
console.error('收藏失败:', error);
// 回滚
setStatus((prev) => ({
...prev,
favorited: !newFavorited,
}));
throw error;
}
}, [catfoodId, status]);
return {
liked: status.liked,
likeCount: status.likeCount,
favorited: status.favorited,
isLoading,
toggleLike,
toggleFavorite,
};
}
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