School Commit Init

2024-08-31 12:07:21 +03:00
commit 0b130ee18c
2801 changed files with 4720552 additions and 0 deletions
@@ -0,0 +1,122 @@
+using Timer = System.Timers.Timer;
+
+namespace CacheModule{
+
+    public class CacheService
+    {
+        private readonly Dictionary<string, Dictionary<string, CachedObject>> _cache = new Dictionary<string, Dictionary<string, CachedObject>>();
+
+        private static object _lock = new object();
+
+        private readonly Timer _timer = new Timer();
+
+        private static CacheService? _instance;
+
+        private CacheService(){
+            _timer.Interval = 3600 * 1000;
+            _timer.Elapsed += (sender, e) => ClearExpired();
+            _timer.Start();
+        }
+        public static CacheService Instance
+        {
+            get
+            {
+                lock (_lock)
+                {
+                    if (_instance == null)
+                    {
+                        _instance = new CacheService();
+                    }
+                    return _instance;
+                }
+            }
+        }
+
+        public void Add(string functionName, string functionParams, object value, Duration duration)
+        {
+            Add(functionName, functionParams, value, (int)duration);
+        }
+
+        public void Add(string functionName, string functionParams, object value, int duration)
+        {
+            if (!_cache.ContainsKey(functionName))
+            {
+                _cache[functionName] = new Dictionary<string, CachedObject>();
+            }
+
+            _cache[functionName][functionParams] = new CachedObject(){
+                Value = value,
+                Timestamp = DateTime.Now,
+                Duration = duration
+            };
+        }
+
+        public object? Get(string functionName, string functionParams)
+        {
+            if (!_cache.ContainsKey(functionName))
+            {
+                return null;
+            }
+
+            if (!_cache[functionName].ContainsKey(functionParams))
+            {
+                return null;
+            }
+            var cachedObject = _cache[functionName][functionParams];
+            if (cachedObject.IsExpired())
+            {
+                _cache[functionName].Remove(functionParams);
+                return null;
+            }
+            return cachedObject.Value;
+        }
+
+        public void Clear()
+        {
+            _cache.Clear();
+        }
+
+        public void Clear(string functionName)
+        {
+            if (_cache.ContainsKey(functionName))
+            {
+                _cache.Remove(functionName);
+            }
+        }
+
+        public void Clear(string functionName, string functionParams)
+        {
+            if (_cache.ContainsKey(functionName))
+            {
+                if (_cache[functionName].ContainsKey(functionParams))
+                {
+                    _cache[functionName].Remove(functionParams);
+                    if (_cache[functionName].Count == 0)
+                    {
+                        _cache.Remove(functionName);
+                    }
+                }
+            }
+        }
+
+        public void ClearExpired()
+        {
+            foreach (var functionName in _cache.Keys)
+            {
+                foreach (var functionParams in _cache[functionName].Keys)
+                {
+                    if (_cache[functionName][functionParams].IsExpired())
+                    {
+                        _cache[functionName].Remove(functionParams);
+                        if (_cache[functionName].Count == 0)
+                        {
+                            _cache.Remove(functionName);
+                        }
+                    }
+                }
+            }
+        }
+
+
+    }
+}