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* 猫粮状态管理 Store
*
* 功能特性：
* - 规范化数据存储（以ID为key的对象）
* - 智能缓存策略（避免重复请求）
* - 持久化支持（AsyncStorage）
* - 分页管理
* - 搜索功能
* - 乐观更新
* - 完善的错误处理
*
* @module catFoodStore
*/
import { useMemo } from 'react';
import AsyncStorage from '@react-native-async-storage/async-storage';
import { create } from 'zustand';
import { createJSONStorage, persist } from 'zustand/middleware';
import { supabaseCatfoodService } from '@/src/lib/supabase';
import type { CatFood } from '@/src/types/catFood';
import { logger } from '@/src/utils/logger';
// ==================== 类型定义 ====================
/**
* 分页信息
*/
interface PaginationInfo {
page: number;
pageSize: number;
total: number;
hasMore: boolean;
}
/**
* 列表类型
*/
type ListType = 'all' | 'search' | 'favorites';
/**
* 缓存元数据
*/
interface CacheMetadata {
timestamp: number;
expiresIn: number; // 缓存过期时间（毫秒）
}
/**
* 猫粮状态接口
*/
interface CatFoodState {
// ==================== 数据状态 ====================
/**
* 规范化的猫粮数据存储（以ID为key）
* 好处：O(1)查找，避免数据重复，便于更新
*/
entities: Record<number, CatFood>;
/**
* 不同列表的ID数组
* 分离数据和列表顺序，便于管理
*/
lists: {
all: number[]; // 全部列表
search: number[]; // 搜索结果
favorites: number[]; // 收藏列表
};
/**
* 分页信息
*/
pagination: Record<ListType, PaginationInfo>;
/**
* 缓存元数据
*/
cacheMetadata: Record<number, CacheMetadata>;
// ==================== UI 状态 ====================
/**
* 加载状态
*/
isLoading: boolean;
/**
* 刷新状态
*/
isRefreshing: boolean;
/**
* 加载更多状态
*/
isLoadingMore: boolean;
/**
* 错误信息
*/
error: string | null;
/**
* 水化状态
*/
_hasHydrated: boolean;
// ==================== 数据操作 ====================
/**
* 获取猫粮列表
* @param page 页码（从1开始）
* @param refresh 是否刷新（清空现有数据）
*/
fetchCatFoods: (page?: number, refresh?: boolean) => Promise<void>;
/**
* 获取单个猫粮详情
* @param id 猫粮ID
* @param forceRefresh 强制刷新（忽略缓存）
*/
fetchCatFoodById: (id: number, forceRefresh?: boolean) => Promise<CatFood>;
/**
* 搜索猫粮
* @param query 搜索关键词
* @param page 页码
*/
searchCatFoods: (query: string, page?: number) => Promise<void>;
/**
* 加载更多
* @param listType 列表类型
*/
loadMore: (listType?: ListType) => Promise<void>;
/**
* 更新猫粮数据（乐观更新）
* @param id 猫粮ID
* @param data 要更新的数据
*/
updateCatFood: (id: number, data: Partial<CatFood>) => void;
/**
* 批量添加猫粮到store
* @param catfoods 猫粮数组
* @param listType 添加到哪个列表
*/
addCatFoods: (catfoods: CatFood[], listType?: ListType) => void;
/**
* 批量更新多个猫粮（用于实时同步）
* @param updates 更新数组
*/
batchUpdateCatFoods: (updates: { id: number; data: Partial<CatFood> }[]) => void;
// ==================== 缓存管理 ====================
/**
* 检查缓存是否有效
* @param id 猫粮ID
*/
isCacheValid: (id: number) => boolean;
/**
* 清除过期缓存
*/
clearExpiredCache: () => void;
/**
* 清除所有缓存
*/
clearAllCache: () => void;
// ==================== 工具方法 ====================
/**
* 根据ID获取猫粮
* @param id 猫粮ID
*/
getCatFoodById: (id: number) => CatFood | undefined;
/**
* 获取指定列表的猫粮数组
* @param listType 列表类型
*/
getCatFoodsByList: (listType?: ListType) => CatFood[];
/**
* 设置加载状态
*/
setLoading: (loading: boolean) => void;
/**
* 设置错误信息
*/
setError: (error: string | null) => void;
/**
* 设置水化状态
*/
setHasHydrated: (hasHydrated: boolean) => void;
/**
* 重置状态
*/
reset: () => void;
}
// ==================== 常量配置 ====================
/**
* 缓存配置
*/
const CACHE_CONFIG = {
DEFAULT_EXPIRE: 5 * 60 * 1000, // 5分钟
DETAIL_EXPIRE: 10 * 60 * 1000, // 10分钟
LIST_EXPIRE: 3 * 60 * 1000, // 3分钟
};
/**
* 默认分页配置
*/
const DEFAULT_PAGE_SIZE = 20;
/**
* 初始分页信息
*/
const INITIAL_PAGINATION: PaginationInfo = {
page: 0,
pageSize: DEFAULT_PAGE_SIZE,
total: 0,
hasMore: true,
};
// ==================== Store 实现 ====================
export const useCatFoodStore = create<CatFoodState>()(
persist(
(set, get) => ({
// ==================== 初始状态 ====================
entities: {},
lists: {
all: [],
search: [],
favorites: [],
},
pagination: {
all: { ...INITIAL_PAGINATION },
search: { ...INITIAL_PAGINATION },
favorites: { ...INITIAL_PAGINATION },
},
cacheMetadata: {},
isLoading: false,
isRefreshing: false,
isLoadingMore: false,
error: null,
_hasHydrated: false,
// ==================== 数据获取 ====================
/**
* 获取猫粮列表
*/
fetchCatFoods: async (page = 1, refresh = false) => {
const state = get();
// 防止重复请求
if (state.isLoading && !refresh) {
logger.debug('正在加载中，跳过重复请求');
return;
}
try {
// 设置加载状态
if (refresh) {
set({ isRefreshing: true, error: null });
} else {
set({ isLoading: true, error: null });
}
logger.info('获取猫粮列表', { page });
// 调用 Supabase API
const { data, error } = await supabaseCatfoodService.listCatfoods({
page,
pageSize: DEFAULT_PAGE_SIZE,
});
if (error) {
throw new Error(error.message);
}
if (!data || !Array.isArray(data)) {
throw new Error('响应数据格式异常');
}
const results = data;
const count = data.length;
const next = data.length === DEFAULT_PAGE_SIZE ? 'has_more' : null;
// 更新entities（规范化存储）
const newEntities = { ...state.entities };
const newIds: number[] = [];
const timestamp = Date.now();
results.forEach((catfood) => {
newEntities[catfood.id] = catfood;
newIds.push(catfood.id);
// 更新缓存元数据
state.cacheMetadata[catfood.id] = {
timestamp,
expiresIn: CACHE_CONFIG.LIST_EXPIRE,
};
});
// 更新列表（追加或替换）
const updatedList = refresh || page === 1 ? newIds : [...state.lists.all, ...newIds];
// 去重
const uniqueList = Array.from(new Set(updatedList));
set({
entities: newEntities,
lists: {
...state.lists,
all: uniqueList,
},
pagination: {
...state.pagination,
all: {
page,
pageSize: DEFAULT_PAGE_SIZE,
total: count,
hasMore: next !== null,
},
},
cacheMetadata: { ...state.cacheMetadata },
});
logger.info('成功加载猫粮数据', { count: results.length });
} catch (error) {
const errorMsg = error instanceof Error ? error.message : '获取猫粮列表失败';
logger.error('获取猫粮列表失败', error as Error);
set({ error: errorMsg });
throw error;
} finally {
set({ isLoading: false, isRefreshing: false });
}
},
/**
* 获取单个猫粮详情
*/
fetchCatFoodById: async (id: number, forceRefresh = false): Promise<CatFood> => {
const state = get();
// 检查缓存
const cachedItem = state.entities[id];
if (!forceRefresh && cachedItem && state.isCacheValid(id)) {
logger.debug('使用缓存数据', { id });
return cachedItem;
}
try {
set({ isLoading: true, error: null });
logger.info('获取猫粮详情', { id });
const { data, error } = await supabaseCatfoodService.getCatfoodDetail(String(id));
if (error || !data) {
throw new Error(error?.message || '获取猫粮详情失败');
}
const catfood = data as CatFood;
// 更新entity
const newEntities: Record<number, CatFood> = { ...state.entities, [id]: catfood };
// 更新缓存元数据
const newMetadata = {
...state.cacheMetadata,
[id]: {
timestamp: Date.now(),
expiresIn: CACHE_CONFIG.DETAIL_EXPIRE,
},
};
set({
entities: newEntities,
cacheMetadata: newMetadata,
});
logger.info('成功获取猫粮详情', { name: catfood.name });
return catfood;
} catch (error) {
const errorMsg = error instanceof Error ? error.message : '获取猫粮详情失败';
logger.error('获取猫粮详情失败', error as Error);
set({ error: errorMsg });
throw error;
} finally {
set({ isLoading: false });
}
},
/**
* 搜索猫粮
*/
searchCatFoods: async (query: string, page = 1) => {
const state = get();
if (!query.trim()) {
logger.warn('搜索关键词为空');
set({
lists: { ...state.lists, search: [] },
pagination: {
...state.pagination,
search: { ...INITIAL_PAGINATION },
},
});
return;
}
try {
set({ isLoading: true, error: null });
logger.info('搜索猫粮', { query, page });
const { data, error } = await supabaseCatfoodService.listCatfoods({
search: query,
page,
pageSize: DEFAULT_PAGE_SIZE,
});
if (error) {
throw new Error(error.message);
}
if (!data || !Array.isArray(data)) {
throw new Error('搜索响应数据格式异常');
}
const results = data;
const count = data.length;
const next = data.length === DEFAULT_PAGE_SIZE ? 'has_more' : null;
// 更新entities
const newEntities = { ...state.entities };
const newIds: number[] = [];
const timestamp = Date.now();
results.forEach((catfood) => {
newEntities[catfood.id] = catfood;
newIds.push(catfood.id);
state.cacheMetadata[catfood.id] = {
timestamp,
expiresIn: CACHE_CONFIG.LIST_EXPIRE,
};
});
// 更新搜索列表
const updatedSearchList = page === 1 ? newIds : [...state.lists.search, ...newIds];
set({
entities: newEntities,
lists: {
...state.lists,
search: Array.from(new Set(updatedSearchList)),
},
pagination: {
...state.pagination,
search: {
page,
pageSize: DEFAULT_PAGE_SIZE,
total: count,
hasMore: next !== null,
},
},
cacheMetadata: { ...state.cacheMetadata },
});
logger.info('搜索成功', { resultCount: results.length });
} catch (error) {
const errorMsg = error instanceof Error ? error.message : '搜索猫粮失败';
logger.error('搜索猫粮失败', error as Error);
set({ error: errorMsg });
throw error;
} finally {
set({ isLoading: false });
}
},
/**
* 加载更多
*/
loadMore: async (listType: ListType = 'all') => {
const state = get();
const pagination = state.pagination[listType];
if (!pagination.hasMore || state.isLoadingMore) {
logger.debug('没有更多数据或正在加载中');
return;
}
try {
set({ isLoadingMore: true, error: null });
const nextPage = pagination.page + 1;
logger.info('加载更多', { listType, page: nextPage });
if (listType === 'all') {
await get().fetchCatFoods(nextPage, false);
} else if (listType === 'search') {
// 需要保存搜索关键词以支持加载更多
logger.warn('搜索列表的加载更多需要提供搜索关键词');
}
logger.info('加载更多成功');
} catch (error) {
logger.error('加载更多失败', error as Error);
} finally {
set({ isLoadingMore: false });
}
},
/**
* 更新猫粮数据（乐观更新 + 实时同步）
*/
updateCatFood: (id: number, data: Partial<CatFood>) => {
const state = get();
const existingCatFood = state.entities[id];
if (!existingCatFood) {
logger.warn('猫粮不存在，跳过更新', { id });
return;
}
const updatedCatFood = { ...existingCatFood, ...data };
set({
entities: {
...state.entities,
[id]: updatedCatFood,
},
});
logger.debug('更新猫粮数据', { id, fields: Object.keys(data) });
},
/**
* 批量更新多个猫粮数据（用于实时同步）
*/
batchUpdateCatFoods: (updates: { id: number; data: Partial<CatFood> }[]) => {
const state = get();
const newEntities = { ...state.entities };
updates.forEach(({ id, data }) => {
Eif (newEntities[id]) {
newEntities[id] = { ...newEntities[id], ...data };
}
});
set({ entities: newEntities });
logger.debug('批量更新猫粮', { count: updates.length });
},
/**
* 批量添加猫粮
*/
addCatFoods: (catfoods: CatFood[], listType: ListType = 'all') => {
const state = get();
const newEntities = { ...state.entities };
const newIds: number[] = [];
const timestamp = Date.now();
catfoods.forEach((catfood) => {
newEntities[catfood.id] = catfood;
newIds.push(catfood.id);
state.cacheMetadata[catfood.id] = {
timestamp,
expiresIn: CACHE_CONFIG.DEFAULT_EXPIRE,
};
});
const updatedList = [...state.lists[listType], ...newIds];
set({
entities: newEntities,
lists: {
...state.lists,
[listType]: Array.from(new Set(updatedList)),
},
cacheMetadata: { ...state.cacheMetadata },
});
logger.debug('批量添加猫粮', { count: catfoods.length, listType });
},
// ==================== 缓存管理 ====================
/**
* 检查缓存是否有效
*/
isCacheValid: (id: number) => {
const state = get();
const metadata = state.cacheMetadata[id];
if (!metadata) return false;
const now = Date.now();
const isValid = now - metadata.timestamp < metadata.expiresIn;
return isValid;
},
/**
* 清除过期缓存
*/
clearExpiredCache: () => {
const state = get();
const now = Date.now();
const validIds: number[] = [];
const newEntities: Record<number, CatFood> = {};
const newMetadata: Record<number, CacheMetadata> = {};
// 遍历所有entity，保留有效的
Object.entries(state.entities).forEach(([idStr, catfood]) => {
const id = Number(idStr);
const metadata = state.cacheMetadata[id];
if (metadata && now - metadata.timestamp < metadata.expiresIn) {
validIds.push(id);
newEntities[id] = catfood;
newMetadata[id] = metadata;
}
});
// 更新列表（移除无效ID）
const filterList = (list: number[]) => list.filter((id) => validIds.includes(id));
set({
entities: newEntities,
lists: {
all: filterList(state.lists.all),
search: filterList(state.lists.search),
favorites: filterList(state.lists.favorites),
},
cacheMetadata: newMetadata,
});
const removedCount = Object.keys(state.entities).length - validIds.length;
logger.info('清除过期缓存', { removedCount });
},
/**
* 清除所有缓存
*/
clearAllCache: () => {
set({
entities: {},
lists: {
all: [],
search: [],
favorites: [],
},
pagination: {
all: { ...INITIAL_PAGINATION },
search: { ...INITIAL_PAGINATION },
favorites: { ...INITIAL_PAGINATION },
},
cacheMetadata: {},
error: null,
});
logger.info('清除所有缓存');
},
// ==================== 工具方法 ====================
/**
* 根据ID获取猫粮
*/
getCatFoodById: (id: number) => {
return get().entities[id];
},
/**
* 获取指定列表的猫粮数组
*/
getCatFoodsByList: (listType: ListType = 'all') => {
const state = get();
const ids = state.lists[listType];
return ids.map((id) => state.entities[id]).filter(Boolean);
},
/**
* 设置加载状态
*/
setLoading: (loading: boolean) => {
set({ isLoading: loading });
},
/**
* 设置错误信息
*/
setError: (error: string | null) => {
set({ error });
},
/**
* 设置水化状态
*/
setHasHydrated: (hasHydrated: boolean) => {
set({ _hasHydrated: hasHydrated });
},
/**
* 重置状态（用于登出等场景）
*/
reset: () => {
set({
entities: {},
lists: {
all: [],
search: [],
favorites: [],
},
pagination: {
all: { ...INITIAL_PAGINATION },
search: { ...INITIAL_PAGINATION },
favorites: { ...INITIAL_PAGINATION },
},
cacheMetadata: {},
isLoading: false,
isRefreshing: false,
isLoadingMore: false,
error: null,
});
logger.info('重置猫粮Store');
},
}),
{
name: 'catFoodStorage',
storage: createJSONStorage(() => AsyncStorage),
// 持久化策略：只保存核心数据
partialize: (state) => ({
entities: state.entities,
lists: state.lists,
cacheMetadata: state.cacheMetadata,
}),
// 水化完成后的回调
onRehydrateStorage: () => (state) => {
Eif (state) {
logger.info('猫粮状态恢复完成', {
entityCount: Object.keys(state.entities).length,
allListCount: state.lists.all.length,
});
// 清除过期缓存
state.clearExpiredCache();
state.setHasHydrated(true);
}
},
}
)
);
// ==================== 便捷 Hooks ====================
/**
* 获取全部猫粮列表
* 使用 ID 字符串作为稳定的依赖，并监听 entities 变化以支持实时更新
*/
export const useAllCatFoods = () => {
// 订阅 IDs 数组
const allIds = useCatFoodStore((state) => state.lists.all);
const isLoading = useCatFoodStore((state) => state.isLoading);
const hasMore = useCatFoodStore((state) => state.pagination.all.hasMore);
// 订阅 entities 对象，当任何猫粮数据变化时触发更新
const entities = useCatFoodStore((state) => state.entities);
// 使用 ID 字符串和 entities 的引用作为依赖
const idsKey = allIds.join(',');
const catfoods = useMemo(() => {
return allIds.map((id) => entities[id]).filter(Boolean);
}, [allIds, entities]);
return { catfoods, isLoading, hasMore };
};
/**
* 根据ID获取猫粮
*/
export const useCatFood = (id: number) => {
return useCatFoodStore((state) => state.entities[id]);
};
/**
* 获取搜索结果
* 使用 ID 字符串作为稳定的依赖
*/
export const useSearchResults = () => {
// 订阅 IDs 数组
const searchIds = useCatFoodStore((state) => state.lists.search);
const isLoading = useCatFoodStore((state) => state.isLoading);
const hasMore = useCatFoodStore((state) => state.pagination.search.hasMore);
// 使用 ID 字符串作为稳定依赖，并通过 useCatFoodStore 获取实际数据
const idsKey = searchIds.join(',');
const results = useMemo(() => {
const state = useCatFoodStore.getState();
return searchIds.map((id) => state.entities[id]).filter(Boolean);
}, [idsKey]);
return { results, isLoading, hasMore };
};
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