| | | 1 | | using Microsoft.Extensions.Caching.Memory; |
| | | 2 | | using OzonDomains.Models; |
| | | 3 | | using OzonDomains.Models.AccessControl; |
| | | 4 | | using Services.AccessControl; |
| | | 5 | | using Services.DataServices; |
| | | 6 | | |
| | | 7 | | namespace Services.CacheServices.Cache.OzonOrdersCache |
| | | 8 | | { |
| | | 9 | | public class OrderCache : IRedisAppCache<Order> |
| | | 10 | | { |
| | | 11 | | private readonly IMemoryCache _memoryCache; |
| | | 12 | | private readonly OrdersDataServices _ordersService; |
| | | 13 | | private readonly IDataScopeEvaluator _dataScopeEvaluator; |
| | | 14 | | private const string CacheKey = "Orders"; |
| | | 15 | | private const string AllOrdersCacheKey = "AllOrders"; |
| | | 16 | | private const int DefaultPageSize = 15; |
| | | 17 | | private const int MinInitialLoadCount = 50; |
| | 0 | 18 | | private int _maxPage = 1; |
| | 0 | 19 | | private int _maxItemsToLoad = MinInitialLoadCount; |
| | | 20 | | |
| | 0 | 21 | | public OrderCache(IMemoryCache memoryCache, OrdersDataServices ordersDataServices, |
| | 0 | 22 | | IDataScopeEvaluator dataScopeEvaluator) |
| | | 23 | | { |
| | 0 | 24 | | _memoryCache = memoryCache; |
| | 0 | 25 | | _ordersService = ordersDataServices; |
| | 0 | 26 | | _dataScopeEvaluator = dataScopeEvaluator; |
| | 0 | 27 | | } |
| | | 28 | | |
| | | 29 | | private void SetCache(string key, object value, TimeSpan expiration) |
| | | 30 | | { |
| | 0 | 31 | | var cacheEntryOptions = new MemoryCacheEntryOptions() |
| | 0 | 32 | | .SetAbsoluteExpiration(expiration); |
| | 0 | 33 | | _memoryCache.Set(key, value, cacheEntryOptions); |
| | 0 | 34 | | } |
| | | 35 | | |
| | | 36 | | private T? GetCache<T>(string key) |
| | | 37 | | { |
| | 0 | 38 | | return _memoryCache.TryGetValue(key, out T? value) ? value : default; |
| | | 39 | | } |
| | | 40 | | |
| | | 41 | | /// <summary> |
| | | 42 | | /// Получение заказов с постраничной загрузкой без учета прав доступа. |
| | | 43 | | /// Загружает только данные для текущей страницы (pageSize заказов на страницу). |
| | | 44 | | /// </summary> |
| | | 45 | | /// <param name="page">Номер страницы (1-based)</param> |
| | | 46 | | /// <param name="pageSize">Количество заказов на страницу</param> |
| | | 47 | | public async Task<List<Order>> Get(int page, int pageSize = DefaultPageSize) |
| | | 48 | | { |
| | 0 | 49 | | if (pageSize <= 0) pageSize = DefaultPageSize; |
| | | 50 | | |
| | 0 | 51 | | var cachedOrders = GetCache<List<Order>>(CacheKey); |
| | 0 | 52 | | int requiredItemCount = page * pageSize; |
| | 0 | 53 | | int initialLoadCount = Math.Max(MinInitialLoadCount, pageSize); |
| | | 54 | | |
| | 0 | 55 | | if (cachedOrders == null) |
| | | 56 | | { |
| | 0 | 57 | | cachedOrders = (await _ordersService.GetOrders(0, initialLoadCount)).ToList(); |
| | 0 | 58 | | cachedOrders = cachedOrders.GroupBy(o => o.Id).Select(g => g.First()).ToList(); |
| | 0 | 59 | | _maxPage = 1; |
| | 0 | 60 | | _maxItemsToLoad = initialLoadCount; |
| | 0 | 61 | | SetCache(CacheKey, cachedOrders, TimeSpan.FromMinutes(10)); |
| | | 62 | | } |
| | | 63 | | |
| | 0 | 64 | | if (cachedOrders.Count < requiredItemCount) |
| | | 65 | | { |
| | 0 | 66 | | int itemsToLoad = requiredItemCount - cachedOrders.Count; |
| | 0 | 67 | | var additionalOrders = (await _ordersService.GetOrders(cachedOrders.Count, itemsToLoad)).ToList(); |
| | | 68 | | |
| | 0 | 69 | | if (additionalOrders.Any()) |
| | | 70 | | { |
| | 0 | 71 | | var existingIds = new HashSet<int>(cachedOrders.Select(o => o.Id)); |
| | 0 | 72 | | var newOrders = additionalOrders.Where(o => !existingIds.Contains(o.Id)).ToList(); |
| | 0 | 73 | | newOrders = newOrders.GroupBy(o => o.Id).Select(g => g.First()).ToList(); |
| | 0 | 74 | | cachedOrders.AddRange(newOrders); |
| | 0 | 75 | | SetCache(CacheKey, cachedOrders, TimeSpan.FromMinutes(10)); |
| | | 76 | | } |
| | | 77 | | |
| | 0 | 78 | | _maxPage = Math.Max(_maxPage, page); |
| | 0 | 79 | | _maxItemsToLoad = Math.Max(_maxItemsToLoad, itemsToLoad); |
| | | 80 | | } |
| | | 81 | | |
| | 0 | 82 | | return cachedOrders |
| | 0 | 83 | | .GroupBy(o => o.Id) |
| | 0 | 84 | | .Select(g => g.First()) |
| | 0 | 85 | | .Take(requiredItemCount) |
| | 0 | 86 | | .OrderBy(o => o.ProcessingDate) |
| | 0 | 87 | | .ToList(); |
| | 0 | 88 | | } |
| | | 89 | | |
| | | 90 | | /// <summary> |
| | | 91 | | /// Получение заказов с постраничной загрузкой с учетом профиля доступа пользователя. |
| | | 92 | | /// Загружает только данные для текущей страницы. |
| | | 93 | | /// </summary> |
| | | 94 | | /// <param name="page">Номер страницы (1-based)</param> |
| | | 95 | | /// <param name="pageSize">Количество заказов на страницу</param> |
| | | 96 | | /// <param name="accessProfile">Профиль доступа пользователя</param> |
| | | 97 | | public async Task<List<Order>> Get(int page, int pageSize, AccessProfile? accessProfile) |
| | | 98 | | { |
| | 0 | 99 | | if (pageSize <= 0) pageSize = DefaultPageSize; |
| | | 100 | | |
| | 0 | 101 | | var scope = _dataScopeEvaluator.Evaluate(accessProfile); |
| | | 102 | | |
| | 0 | 103 | | if (!scope.IsUnrestricted) |
| | | 104 | | { |
| | 0 | 105 | | var allOrders = await GetAllOrdersCached(); |
| | 0 | 106 | | return _dataScopeEvaluator.ApplyToOrdersList(allOrders, scope) |
| | 0 | 107 | | .OrderBy(o => o.ProcessingDate).ToList(); |
| | | 108 | | } |
| | | 109 | | |
| | 0 | 110 | | return await Get(page, pageSize); |
| | 0 | 111 | | } |
| | | 112 | | |
| | | 113 | | /// <summary> |
| | | 114 | | /// Получение ВСЕХ заказов с кэшированием. Используется для пользователей с ограничениями. |
| | | 115 | | /// </summary> |
| | | 116 | | private async Task<List<Order>> GetAllOrdersCached() |
| | | 117 | | { |
| | 0 | 118 | | var cachedOrders = GetCache<List<Order>>(AllOrdersCacheKey); |
| | 0 | 119 | | if (cachedOrders != null) |
| | 0 | 120 | | return cachedOrders; |
| | | 121 | | |
| | | 122 | | // Загружаем все заказы из БД один раз и кэшируем |
| | 0 | 123 | | var allOrdersQuery = await _ordersService.GetOrders(includeArchived: false); |
| | 0 | 124 | | var allOrders = allOrdersQuery |
| | 0 | 125 | | .GroupBy(o => o.Id) |
| | 0 | 126 | | .Select(g => g.First()) |
| | 0 | 127 | | .OrderBy(o => o.ProcessingDate) |
| | 0 | 128 | | .ToList(); |
| | | 129 | | |
| | 0 | 130 | | SetCache(AllOrdersCacheKey, allOrders, TimeSpan.FromMinutes(10)); |
| | 0 | 131 | | return allOrders; |
| | 0 | 132 | | } |
| | | 133 | | |
| | | 134 | | /// <summary> |
| | | 135 | | /// Получение всех заказов без учета прав доступа. |
| | | 136 | | /// Сохранено для обратной совместимости. |
| | | 137 | | /// </summary> |
| | | 138 | | public async Task<List<Order>> Get() |
| | | 139 | | { |
| | 0 | 140 | | var cachedOrders = GetCache<List<Order>>(CacheKey); |
| | 0 | 141 | | if (cachedOrders != null) |
| | 0 | 142 | | return cachedOrders.OrderBy(o => o.ProcessingDate).ToList(); |
| | | 143 | | |
| | 0 | 144 | | await Update(); |
| | 0 | 145 | | cachedOrders = GetCache<List<Order>>(CacheKey); |
| | | 146 | | |
| | 0 | 147 | | if (cachedOrders != null) |
| | 0 | 148 | | return cachedOrders.OrderBy(o => o.ProcessingDate).ToList(); |
| | | 149 | | |
| | 0 | 150 | | throw new InvalidOperationException("Данные не найдены в кэше после обновления."); |
| | 0 | 151 | | } |
| | | 152 | | |
| | | 153 | | /// <summary> |
| | | 154 | | /// Получение всех заказов с учетом профиля доступа пользователя. |
| | | 155 | | /// </summary> |
| | | 156 | | public async Task<List<Order>> Get(AccessProfile? accessProfile) |
| | | 157 | | { |
| | 0 | 158 | | var orders = await Get(); |
| | 0 | 159 | | var scope = _dataScopeEvaluator.Evaluate(accessProfile); |
| | 0 | 160 | | return _dataScopeEvaluator.ApplyToOrdersList(orders, scope) |
| | 0 | 161 | | .OrderBy(o => o.ProcessingDate).ToList(); |
| | 0 | 162 | | } |
| | | 163 | | |
| | | 164 | | public async Task Update() |
| | | 165 | | { |
| | 0 | 166 | | var loadCount = Math.Max(_maxItemsToLoad, MinInitialLoadCount); |
| | 0 | 167 | | var orders = (await _ordersService.GetOrders(0, loadCount)).ToList(); |
| | 0 | 168 | | SetCache(CacheKey, orders, TimeSpan.FromMinutes(10)); |
| | 0 | 169 | | } |
| | | 170 | | |
| | | 171 | | public async Task UpdateCacheIncrementally(int orderId) |
| | | 172 | | { |
| | 0 | 173 | | var updatedOrder = await _ordersService.GetOrder(orderId); |
| | 0 | 174 | | if (updatedOrder == null) return; |
| | | 175 | | |
| | | 176 | | // Обновляем основной кэш |
| | 0 | 177 | | var cachedOrders = GetCache<List<Order>>(CacheKey) ?? new List<Order>(); |
| | 0 | 178 | | var existingOrderIndex = cachedOrders.FindIndex(o => o.Id == orderId); |
| | | 179 | | |
| | 0 | 180 | | if (existingOrderIndex != -1) |
| | | 181 | | { |
| | 0 | 182 | | cachedOrders[existingOrderIndex] = updatedOrder; |
| | | 183 | | } |
| | | 184 | | else |
| | | 185 | | { |
| | 0 | 186 | | cachedOrders.Add(updatedOrder); |
| | | 187 | | } |
| | 0 | 188 | | SetCache(CacheKey, cachedOrders, TimeSpan.FromMinutes(10)); |
| | | 189 | | |
| | | 190 | | // Обновляем также кэш всех заказов |
| | 0 | 191 | | var allCachedOrders = GetCache<List<Order>>(AllOrdersCacheKey); |
| | 0 | 192 | | if (allCachedOrders != null) |
| | | 193 | | { |
| | 0 | 194 | | var allExistingIndex = allCachedOrders.FindIndex(o => o.Id == orderId); |
| | 0 | 195 | | if (allExistingIndex != -1) |
| | | 196 | | { |
| | 0 | 197 | | allCachedOrders[allExistingIndex] = updatedOrder; |
| | | 198 | | } |
| | | 199 | | else |
| | | 200 | | { |
| | 0 | 201 | | allCachedOrders.Add(updatedOrder); |
| | | 202 | | } |
| | 0 | 203 | | SetCache(AllOrdersCacheKey, allCachedOrders, TimeSpan.FromMinutes(10)); |
| | | 204 | | } |
| | 0 | 205 | | } |
| | | 206 | | |
| | | 207 | | public async Task RemoveOrderFromCache(int orderId) |
| | | 208 | | { |
| | 0 | 209 | | await Task.CompletedTask; |
| | 0 | 210 | | var cachedOrders = GetCache<List<Order>>(CacheKey); |
| | 0 | 211 | | if (cachedOrders != null) |
| | | 212 | | { |
| | 0 | 213 | | cachedOrders.RemoveAll(o => o.Id == orderId); |
| | 0 | 214 | | SetCache(CacheKey, cachedOrders, TimeSpan.FromMinutes(10)); |
| | | 215 | | } |
| | | 216 | | |
| | | 217 | | // Очищаем также кэш всех заказов |
| | 0 | 218 | | var allCachedOrders = GetCache<List<Order>>(AllOrdersCacheKey); |
| | 0 | 219 | | if (allCachedOrders != null) |
| | | 220 | | { |
| | 0 | 221 | | allCachedOrders.RemoveAll(o => o.Id == orderId); |
| | 0 | 222 | | SetCache(AllOrdersCacheKey, allCachedOrders, TimeSpan.FromMinutes(10)); |
| | | 223 | | } |
| | 0 | 224 | | } |
| | | 225 | | |
| | | 226 | | public async Task RemoveOrdersFromCache(int[] orderIds) |
| | | 227 | | { |
| | 0 | 228 | | await Task.CompletedTask; |
| | 0 | 229 | | var cachedOrders = GetCache<List<Order>>(CacheKey); |
| | 0 | 230 | | if (cachedOrders != null) |
| | | 231 | | { |
| | 0 | 232 | | cachedOrders.RemoveAll(o => orderIds.Contains(o.Id)); |
| | 0 | 233 | | SetCache(CacheKey, cachedOrders, TimeSpan.FromMinutes(10)); |
| | | 234 | | } |
| | | 235 | | |
| | | 236 | | // Очищаем также кэш всех заказов |
| | 0 | 237 | | var allCachedOrders = GetCache<List<Order>>(AllOrdersCacheKey); |
| | 0 | 238 | | if (allCachedOrders != null) |
| | | 239 | | { |
| | 0 | 240 | | allCachedOrders.RemoveAll(o => orderIds.Contains(o.Id)); |
| | 0 | 241 | | SetCache(AllOrdersCacheKey, allCachedOrders, TimeSpan.FromMinutes(10)); |
| | | 242 | | } |
| | 0 | 243 | | } |
| | | 244 | | |
| | | 245 | | } |
| | | 246 | | } |