Added error handling for cache system (#199)

config/common.neon

@@ -26,7 +26,7 @@ extensions:
 ##################################
 
 services:
-    cache.storage: Contributte\Cache\Storages\MemoryAdapterStorage(Nette\Caching\Storages\FileStorage(%tempDir%/cache, Nette\Caching\Storages\SQLiteJournal(%tempDir%/cache/journal.s3db)))
+    cache.storage: Contributte\Cache\Storages\MemoryAdapterStorage(FastyBird\Library\Bootstrap\Caching\FileStorage(%tempDir%/cache, Nette\Caching\Storages\SQLiteJournal(%tempDir%/cache/journal.s3db)))
 
 # Symfony console support extension
 ###################################

src/Caching/FileStorage.php

@@ -0,0 +1,41 @@
+<?php declare(strict_types = 1);
+
+/**
+ * Bootstrap.php
+ *
+ * @license        More in LICENSE.md
+ * @copyright      https://www.fastybird.com
+ * @author         Adam Kadlec <[email protected]>
+ * @package        FastyBird:Bootstrap!
+ * @subpackage     Boot
+ * @since          1.0.0
+ *
+ * @date           08.03.20
+ */
+
+namespace FastyBird\Library\Bootstrap\Caching;
+
+use Nette\Caching\Storages;
+use function dirname;
+use function is_dir;
+use function is_file;
+use function mkdir;
+
+class FileStorage extends Storages\FileStorage
+{
+
+	public function lock(string $key): void
+	{
+		$cacheFile = $this->getCacheFile($key);
+		if (!is_dir($dir = dirname($cacheFile))) {
+			@mkdir($dir); // @ - directory may already exist
+		}
+
+		if (!is_file($cacheFile)) {
+			return;
+		}
+
+		parent::lock($key);
+	}
+
+}