LogDirectoryHandler: add filename prefix possibility

composer.json

@@ -16,9 +16,10 @@
     "minimum-stability": "stable",
     "require":           {
         "php":                        "^7.4 || ^8.0",
-        "jrosset/exceptionhelper":    "^1.0",
+        "ext-mbstring":               "*",
-        "jrosset/lasterrorexception": "^1.0",
+        "jrosset/exceptionhelper":    "^1.1",
-        "monolog/monolog":            "^2.9"
+        "jrosset/lasterrorexception": "^1.1",
+        "monolog/monolog":            "^2.10"
     },
     "autoload":          {
         "psr-4":                 {

src/ExtendedMonolog/ExceptionLogger.php

@@ -1,4 +1,5 @@
 <?php
+/** @noinspection PhpDocFinalChecksInspection */
 
 namespace jrosset\ExtendedMonolog;
 
@@ -16,7 +17,7 @@ class ExceptionLogger extends Logger implements ExceptionLoggerInterface {
     public function exception (int $level, Throwable $exception, array $context = []): void {
         $this->addRecord(
             $level,
-            ExceptionHelper::toString($exception, false),
+            ExceptionHelper::toString($exception, false) . PHP_EOL,
             array_merge(
                 [
                     'exception' => $exception,

src/ExtendedMonolog/LogDirectoryHandler.php

@@ -26,6 +26,7 @@ class LogDirectoryHandler extends StreamHandler {
      * @param bool        $bubble              Whether the messages that are handled can bubble up the stack or not
      * @param int|null    $filePermission      Optional file permissions (default (0644) are only for owner read/write)
      * @param bool        $useLocking          Try to lock log file before doing any writes
+     * @param string|null $filenamePrefix      The filename prefix
      *
      * @throws Throwable If an error occurs
      */
@@ -35,13 +36,14 @@ class LogDirectoryHandler extends StreamHandler {
         int     $historyNumberOfDays = 30,
         bool    $bubble = true,
         ?int    $filePermission = null,
-        bool   $useLocking = false
+        bool    $useLocking = false,
+        ?string $filenamePrefix = null
     ) {
         $dirPath = $dirPath . DIRECTORY_SEPARATOR;
-        $this->normalizeDirectory($dirPath, $historyNumberOfDays);
+        $this->normalizeDirectory($dirPath, $filenamePrefix, $historyNumberOfDays);
 
         parent::__construct(
-            $dirPath . date('Y-m-d') . '.log',
+            $dirPath . ($filenamePrefix ?? '') . date('Y-m-d') . '.log',
             $level,
             $bubble,
             $filePermission,
@@ -54,13 +56,14 @@ class LogDirectoryHandler extends StreamHandler {
      * Normalize a directory: create if missing and clear old files
      *
      * @param string      $dirPath             The directory path
+     * @param string|null $filenamePrefix      The filename prefix
      * @param int         $historyNumberOfDays The maximum number of history files to keep (in number of days)
      *
      * @return void
      *
      * @throws Throwable If an error occurs
      */
-    private function normalizeDirectory (string $dirPath, int $historyNumberOfDays = 30): void {
+    protected final function normalizeDirectory (string $dirPath, ?string $filenamePrefix, int $historyNumberOfDays = 30): void {
         if (!file_exists($dirPath) || !is_dir($dirPath)) {
             error_clear_last();
             if (!mkdir($dirPath, 0755, true)) {
@@ -78,7 +81,13 @@ class LogDirectoryHandler extends StreamHandler {
             if (!$fileInfo->isFile()) {
                 continue;
             }
-            if (preg_match('/^(?<date>\\d{4}-\\d{2}-\\d{2})(?:[_-].*)?\.log$/i', $fileInfo->getFilename(), $match) !== 1) {
+            if (
+                preg_match(
+                    '/^' . preg_quote($filenamePrefix ?? '', '/') . '(?<date>\\d{4}-\\d{2}-\\d{2})(?:[_-].*)?\.log$/i',
+                    $fileInfo->getFilename(),
+                    $match
+                ) !== 1
+            ) {
                 continue;
             }
 

src/ExtendedMonolog/LogFileFormatter.php

@@ -25,6 +25,30 @@ class LogFileFormatter extends LineFormatter {
      * @inheritDoc
      */
     public function format (array $record): string {
-        return preg_replace('/((?<!\\\\)\\\\[rn])+$/', PHP_EOL, parent::format($record));
+        //region Get then remove newlines at record message end (*before* the formatting)
+        $messageEndNewlines = '';
+        $record['message'] = preg_replace_callback(
+            '/(?:(?<!\\\\)(?:\\\\[rn]|\\r|\\n))+$/',
+            function (array $match) use (&$messageEndNewlines): string {
+                $messageEndNewlines = $match[0];
+                return '';
+            },
+            $this->normalize($record['message'])
+        );
+        //endregion
+        //region Format the record
+        $output = parent::format($record);
+        //endregion
+        //region Remove newlines at end (introduced by context, extra or record message itself)
+        $output = preg_replace('/(?:(?<!\\\\)(?:\\\\[rn]|\\r|\\n))+$/', '', $output);
+        //endregion
+        //region Re-add the newlines of record message end
+        $output .= $messageEndNewlines;
+        //endregion
+        //region Then finally, replace manual "\r" or "\n" by theirs equivalent
+        return preg_replace(
+            '/(?:(?<!\\\\)\\\\[rn])+/', PHP_EOL, $output
+        );
+        //endregion
     }
 }

tests/test.php

@@ -4,6 +4,7 @@ require_once __DIR__ . '/../vendor/autoload.php';
 
 use jrosset\ExtendedMonolog\ExceptionLogger;
 use jrosset\ExtendedMonolog\LogDirectoryHandler;
+use Monolog\Formatter\LineFormatter;
 use Monolog\Handler\StreamHandler;
 use Monolog\Logger;
 
@@ -11,18 +12,25 @@ use Monolog\Logger;
 $logger = new ExceptionLogger(
     'test',
     [
-        new StreamHandler(STDOUT),
+        (new StreamHandler(STDOUT))
+            ->setFormatter(
+                new LineFormatter(
+                    '[%datetime%] %level_name% : %message%',
+                    'Y-m-d H:i:s',
+                    true
+                )
+            ),
         new LogDirectoryHandler(__DIR__ . '/logs/'),
     ]
 );
 
 try {
-    $logger->info('START');
+    $logger->info('======= test =======' . PHP_EOL . 'START' . PHP_EOL);
 
     throw new RuntimeException('An unexpected error occurs');
 
     /** @noinspection PhpUnreachableStatementInspection */
-    $logger->info('END');
+    $logger->info('END' . PHP_EOL);
 }
 catch (Throwable $exception) {
     $logger->exception(Logger::ERROR, $exception);