From 88cf205962dbc13827169f239169f3fc1b5a1bd0 Mon Sep 17 00:00:00 2001
From: Roman Kelesidis <roman25052006.kelesh@gmail.com>
Date: Mon, 5 Jun 2023 18:32:36 +0700
Subject: [PATCH] Added clear logs option in admin panel (#775)

---
 common.php                       | 16 +++++++++++
 library/ajax/manage_admin.php    |  6 ++++
 library/language/source/main.php |  4 ++-
 styles/templates/admin/index.tpl | 49 +++++++++++++++++---------------
 4 files changed, 51 insertions(+), 24 deletions(-)

diff --git a/common.php b/common.php
index 66c689206..6541d8400 100644
--- a/common.php
+++ b/common.php
@@ -211,6 +211,22 @@ function bb_log($msg, $file_name, $return_path = false)
     return file_write($msg, $path);
 }
 
+/**
+ * Remove files recursively by extension
+ *
+ * @param string $path
+ * @param array $findExtension
+ * @return void
+ */
+function remove_files_by_extension(string $path, array $findExtension)
+{
+    foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path)) as $file) {
+        if (in_array(pathinfo($file, PATHINFO_EXTENSION), $findExtension) && is_file($file)) {
+            unlink($file);
+        }
+    }
+}
+
 function file_write($str, $file, $max_size = LOG_MAX_SIZE, $lock = true, $replace_content = false)
 {
     $bytes_written = false;
diff --git a/library/ajax/manage_admin.php b/library/ajax/manage_admin.php
index 486b467a4..76e866fd8 100644
--- a/library/ajax/manage_admin.php
+++ b/library/ajax/manage_admin.php
@@ -16,6 +16,12 @@ global $userdata, $lang, $bb_cfg;
 $mode = (string)$this->request['mode'];
 
 switch ($mode) {
+    case 'clear_logs':
+        remove_files_by_extension(LOG_DIR, ['log']);
+
+        $this->response['logs_html'] = '<span class="seed bold">' . $lang['ALL_LOGS_FILE_CLEARED'] . '</span>';
+        break;
+
     case 'clear_cache':
         foreach ($bb_cfg['cache']['engines'] as $cache_name => $cache_val) {
             if (!in_array('db_sqlite', $cache_val)) {
diff --git a/library/language/source/main.php b/library/language/source/main.php
index e69af09ff..a03f1b20a 100644
--- a/library/language/source/main.php
+++ b/library/language/source/main.php
@@ -101,6 +101,7 @@ $lang['CLICK_RETURN_GROUP'] = 'Click %sHere%s to return to group information';
 
 $lang['ADMIN_PANEL'] = 'Go to Administration Panel';
 $lang['ALL_CACHE_CLEARED'] = 'Cache has been cleared';
+$lang['ALL_LOGS_FILE_CLEARED'] = 'Log files has been removed';
 $lang['ALL_TEMPLATE_CLEARED'] = 'Template cache has been cleared';
 $lang['DATASTORE_CLEARED'] = 'Datastore has been cleared';
 $lang['BOARD_DISABLE'] = 'Sorry, this forum is disabled. Try to come back later';
@@ -1645,7 +1646,8 @@ $lang['NOT_AVAILABLE'] = 'Not available';
 
 // Clear Cache
 $lang['DATASTORE'] = 'Datastore';
-$lang['CLEAR_CACHE'] = 'Clear Cache';
+$lang['CLEAR_CACHE'] = 'Cache';
+$lang['CLEAR_LOGS'] = 'Log files';
 $lang['CLEAR_TEMPLATES_CACHE'] = 'Templates cache';
 
 // Update
diff --git a/styles/templates/admin/index.tpl b/styles/templates/admin/index.tpl
index f62031925..932897db4 100644
--- a/styles/templates/admin/index.tpl
+++ b/styles/templates/admin/index.tpl
@@ -65,23 +65,24 @@
 <!-- IF TPL_ADMIN_MAIN -->
 <!--========================================================================-->
 <script type="text/javascript">
-  ajax.manage_admin = function (mode) {
-    ajax.exec({
-      action: 'manage_admin',
-      mode: mode,
-      user_id: ''
-    });
-  };
-  ajax.callback.manage_admin = function (data) {
-    $('#cache').html(data.cache_html);
-    $('#datastore').html(data.datastore_html);
-    $('#indexer').html(data.indexer_html);
-    $('#template_cache').html(data.template_cache_html);
-    $('#update_user_level').html(data.update_user_level_html);
-    $('#sync_topics').html(data.sync_topics_html);
-    $('#sync_user_posts').html(data.sync_user_posts_html);
-    $('#unlock_cron').html(data.unlock_cron_html);
-  }
+    ajax.manage_admin = function (mode) {
+        ajax.exec({
+            action: 'manage_admin',
+            mode: mode,
+            user_id: ''
+        });
+    };
+    ajax.callback.manage_admin = function (data) {
+        $('#cache').html(data.cache_html);
+        $('#datastore').html(data.datastore_html);
+        $('#logs').html(data.logs_html);
+        $('#indexer').html(data.indexer_html);
+        $('#template_cache').html(data.template_cache_html);
+        $('#update_user_level').html(data.update_user_level_html);
+        $('#sync_topics').html(data.sync_topics_html);
+        $('#sync_user_posts').html(data.sync_user_posts_html);
+        $('#unlock_cron').html(data.unlock_cron_html);
+    }
 </script>
 
 <br/>
@@ -106,12 +107,14 @@
 
 <table>
   <tr>
-    <td><b>{L_CLEAR}:</b></td>
-    <td>
-      <a href="#" id="datastore" onclick="ajax.manage_admin('clear_datastore'); return false;">{L_DATASTORE}</a>&nbsp;&middot;
-      <a href="#" id="cache" onclick="ajax.manage_admin('clear_cache'); return false;">{L_CLEAR_CACHE}</a>&nbsp;&middot;
-      <a href="#" id="template_cache" onclick="ajax.manage_admin('clear_template_cache'); return false;">{L_CLEAR_TEMPLATES_CACHE}</a>
-    </td>
+      <td><b>{L_CLEAR}:</b></td>
+      <td>
+          <a href="#" id="datastore" onclick="ajax.manage_admin('clear_datastore'); return false;">{L_DATASTORE}</a>&nbsp;&middot;
+          <a href="#" id="cache" onclick="ajax.manage_admin('clear_cache'); return false;">{L_CLEAR_CACHE}</a>&nbsp;&middot;
+          <a href="#" id="template_cache"
+             onclick="ajax.manage_admin('clear_template_cache'); return false;">{L_CLEAR_TEMPLATES_CACHE}</a>&nbsp;&middot;
+          <a href="#" id="logs" onclick="ajax.manage_admin('clear_logs'); return false;">{L_CLEAR_LOGS}</a>
+      </td>
   </tr>
   <tr>
     <td><b>{L_UPDATE}:</b></td>