added cleanUp function for database logs

config.default.json

@@ -32,7 +32,11 @@
             "mode": "ALL",
             "storage": "database",
             "log_file_path": "APPLICATION_PATH/logs",
-            "error_email_address": "john.doe@local"
+            "error_email_address": "john.doe@local",
+            "lifetime": 86400,
+            "keep_log_types": [
+                "ERROR"
+            ]
         },
         "debug": {
             "mode": "on",

src/Pressmind/Log/Service.php

@@ -4,10 +4,56 @@
 namespace Pressmind\Log;
 
 
+use DateTime;
+use Exception;
+use Pressmind\ORM\Object\Log;
+use Pressmind\Registry;
+
 class Service
 {
+    /**
+     * @var array
+     */
+    private $_config;
+
+    /**
+     * @throws Exception
+     */
     public function cleanUp()
     {
-        return 'Cleanup has run';
+        $this->_config = Registry::getInstance()->get('config')['logging'];
+        switch($this->_config['storage']) {
+            case 'filesystem':
+                $this->_cleanUpFilesystem();
+                break;
+            case 'database':
+                $this->_cleanUpDatabase();
+                break;
+        }
+        return 'Log cleanup for ' . $this->_config['storage'] . ' has run';
+    }
+
+    private function _cleanUpFilesystem()
+    {
+
+    }
+
+    /**
+     * @throws Exception
+     */
+    private function _cleanUpDatabase()
+    {
+        $date = new DateTime();
+        $date->modify('-' . $this->_config['lifetime'] . ' seconds');
+        $filters = [
+            'date' => ['<', $date->format('Y-m-d H:i:s')]
+        ];
+        if(is_array($this->_config['keep_log_types'])) {
+            $filters['type'] = ['not in', implode(',', $this->_config['keep_log_types'])];
+        }
+        $logs = Log::listAll($filters);
+        foreach ($logs as $log) {
+            $log->delete();
+        }
     }
 }