add CacheManager

FinalProject/Core/CrossCuttingConcerns/Caching/Microsoft/MemoryCacheManager.cs

@@ -0,0 +1,67 @@
+using Core.Utilities.IoC;
+using Microsoft.Extensions.Caching.Memory;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.Extensions.DependencyInjection;
+using System.Text.RegularExpressions;
+using System.Linq;
+
+namespace Core.CrossCuttingConcerns.Caching.Microsoft
+{
+ class MemoryCacheManager : ICacheManager
+ {
+ //Adapter Pattern
+ IMemoryCache _memoryCache;
+ public MemoryCacheManager()
+ {
+ _memoryCache = ServiceTool.ServiceProvider.GetService<IMemoryCache>();
+ }
+ public void Add(string key, object value, int duration)
+ {
+ _memoryCache.Set(key, value, TimeSpan.FromMinutes(duration));
+ }
+
+ public T Get<T>(string key)
+ {
+ return _memoryCache.Get<T>(key);
+ }
+
+ public object Get(string key)
+ {
+ return _memoryCache.Get(key);
+ }
+
+ public bool IsAdd(string key)
+ {
+ return _memoryCache.TryGetValue(key,out _);
+ }
+
+ public void Remove(string key)
+ {
+ _memoryCache.Remove(key);
+ }
+
+ public void RemoveByPattern(string pattern)
+ {
+ var cacheEntriesCollectionDefinition = typeof(MemoryCache).GetProperty("EntriesCollection", System.Reflection.BindingFlags.NonPublic |
+ System.Reflection.BindingFlags.Instance);
+ var cacheEntriesCollection = cacheEntriesCollectionDefinition.GetValue(_memoryCache) as dynamic;
+ List<ICacheEntry> cacheCollectionValues = new List<ICacheEntry>();
+
+ foreach (var cacheItem in cacheEntriesCollection)
+ {
+ ICacheEntry cacheItemValue = cacheItem.GetType().GetProperty("Value").GetValue(cacheItem, null);
+ cacheCollectionValues.Add(cacheItemValue);
+ }
+
+ var regex = new Regex(pattern, RegexOptions.Singleline | RegexOptions.Compiled | RegexOptions.IgnoreCase);
+ var keysToRemove = cacheCollectionValues.Where(d => regex.IsMatch(d.Key.ToString())).Select(d => d.Key).ToList();
+
+ foreach (var key in keysToRemove)
+ {
+ _memoryCache.Remove(key);
+ }
+ }
+ }
+}