Kill static logger

lib/config.php

@@ -37,7 +37,11 @@ class Config {
  		$exists = file_exists($outfile);
 		
 		if (!$exists){
-			Helper::warnLog('Conversion test failed. Raw output:' . $result);
+			\OC::$server->getLogger()->warn(
+				'Conversion test failed. Raw output:' . $result,
+				['app' => 'documents']
+				
+			);
 			return false;
 		} else {
 			unlink($outfile);

lib/converter.php

@@ -22,7 +22,11 @@ class Converter {
 		}
 		
 		if (empty($output)){
-			Helper::warnLog('Empty conversion output');
+			\OC::$server->getLogger()->warn(
+				'Empty conversion output',
+				['app' => 'documents']
+				
+			);
 			throw new \RuntimeException('Empty conversion output');
 		}
 		return $output;
@@ -86,7 +90,11 @@ class Converter {
 		curl_setopt_array($ch, $options);
 		$content = curl_exec($ch);
 		if (curl_errno($ch)){
-			Helper::debugLog('cURL error' . curl_errno($ch) . ':' . curl_error($ch));
+			\OC::$server->getLogger()->debug(
+				'cURL error' . curl_errno($ch) . ':' . curl_error($ch),
+				['app' => 'documents']
+				
+			);
 		}
 		curl_close($ch);
 		

lib/helper.php

@@ -54,24 +54,6 @@ class Helper {
 		return '#' . self::convertHSLToRGB($hue, 90, 60);
 	}
 
-	/**
-	 * @param string $message
-	 */
-	public static function debugLog($message){
-		self::log($message, \OCP\Util::DEBUG);
-	}
-
-	/**
-	 * @param string $message
-	 */
-	public static function warnLog($message){
-		self::log($message, \OCP\Util::WARN);
-	}
-
-	public static function log($message, $level){
-		\OCP\Util::writeLog(self::APP_ID, $message, $level);
-	}
-
 	/**
 	 * @param integer $iH
 	 * @param integer $iS
@@ -178,8 +160,16 @@ class Helper {
 		}
 		
 		if (empty($cmd)){
-			Helper::warnLog('Pure configuration issue. Missing open office binary that is mandatory for conversion.');
+			\OC::$server->getLogger()->warn(
-			Helper::debugLog('If openoffice or libreoffice is already installed please specify the path to it using preview_libreoffice_path config. Refer to admin manual for details.');
+				'Pure configuration issue. Missing open office binary that is mandatory for conversion.',
+				['app' => 'documents']
+				
+			);
+			\OC::$server->getLogger()->debug(
+				'If openoffice or libreoffice is already installed please specify the path to it using preview_libreoffice_path config. Refer to admin manual for details.',
+				['app' => 'documents']
+				
+			);
 			throw new \RuntimeException('Missing open office binary that is mandatory for conversion.');
 		}