From d31f522c520d2132030e350a5e9de32dd13bdbb4 Mon Sep 17 00:00:00 2001
From: ClemensFischer <fischer.clemens@gmail.com>
Date: Wed, 19 Feb 2025 19:34:08 +0100
Subject: [PATCH] Cyclic clean

---
 Caches/FileDbCache/FileDbCache.cs | 14 ++++++++++++--
 Caches/SQLiteCache/SQLiteCache.cs | 12 +++++++++++-
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/Caches/FileDbCache/FileDbCache.cs b/Caches/FileDbCache/FileDbCache.cs
index fd249633..b41da10a 100644
--- a/Caches/FileDbCache/FileDbCache.cs
+++ b/Caches/FileDbCache/FileDbCache.cs
@@ -23,8 +23,14 @@ namespace MapControl.Caching
         private const string expiresField = "Expires";
 
         private readonly FileDb fileDb = new FileDb { AutoFlush = true };
+        private readonly Timer cleanTimer;
 
         public FileDbCache(string path)
+            : this(path, TimeSpan.FromHours(1))
+        {
+        }
+
+        public FileDbCache(string path, TimeSpan autoCleanInterval)
         {
             if (string.IsNullOrEmpty(path))
             {
@@ -40,8 +46,6 @@ namespace MapControl.Caching
             {
                 fileDb.Open(path);
                 Debug.WriteLine($"{nameof(FileDbCache)}: Opened database {path}");
-
-                Clean();
             }
             catch
             {
@@ -63,10 +67,16 @@ namespace MapControl.Caching
 
                 Debug.WriteLine($"{nameof(FileDbCache)}: Created database {path}");
             }
+
+            if (autoCleanInterval > TimeSpan.Zero)
+            {
+                cleanTimer = new Timer(_ => Clean(), null, TimeSpan.Zero, autoCleanInterval);
+            }
         }
 
         public void Dispose()
         {
+            cleanTimer?.Dispose();
             fileDb.Dispose();
         }
 
diff --git a/Caches/SQLiteCache/SQLiteCache.cs b/Caches/SQLiteCache/SQLiteCache.cs
index f8ac0209..b5d47d59 100644
--- a/Caches/SQLiteCache/SQLiteCache.cs
+++ b/Caches/SQLiteCache/SQLiteCache.cs
@@ -19,8 +19,14 @@ namespace MapControl.Caching
     public sealed class SQLiteCache : IDistributedCache, IDisposable
     {
         private readonly SQLiteConnection connection;
+        private readonly Timer cleanTimer;
 
         public SQLiteCache(string path)
+            : this(path, TimeSpan.FromHours(1))
+        {
+        }
+
+        public SQLiteCache(string path, TimeSpan autoCleanInterval)
         {
             if (string.IsNullOrEmpty(path))
             {
@@ -42,11 +48,15 @@ namespace MapControl.Caching
 
             Debug.WriteLine($"{nameof(SQLiteCache)}: Opened database {path}");
 
-            Clean();
+            if (autoCleanInterval > TimeSpan.Zero)
+            {
+                cleanTimer = new Timer(_ => Clean(), null, TimeSpan.Zero, autoCleanInterval);
+            }
         }
 
         public void Dispose()
         {
+            cleanTimer?.Dispose();
             connection.Dispose();
         }