Introduces Log Throtter to prevent log flooding

app/core/LogThrottler.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Core;
+
+require_once __DIR__ . '/Settings.php';
+
+class LogThrottler
+{
+    /**
+     * Log a message no more than once per interval.
+     *
+     * @param object $logger Logger implementing log($level, $message, array $context)
+     * @param mixed $db PDO or DatabaseConnector for Settings
+     * @param string $key Unique key for throttling (e.g. migrations_pending)
+     * @param int $intervalSeconds Minimum seconds between logs
+     * @param string $level Log level
+     * @param string $message Log message
+     * @param array $context Log context
+     */
+    public static function logThrottled($logger, $db, string $key, int $intervalSeconds, string $level, string $message, array $context = []): void
+    {
+        if (!is_object($logger) || !method_exists($logger, 'log')) {
+            return;
+        }
+
+        $settings = null;
+        $shouldLog = true;
+        $settingsKey = 'log_throttle_' . $key;
+
+        try {
+            $settings = new Settings($db);
+            $lastLogged = $settings->get($settingsKey);
+            if ($lastLogged) {
+                $lastTimestamp = strtotime($lastLogged);
+                if ($lastTimestamp !== false && (time() - $lastTimestamp) < $intervalSeconds) {
+                    $shouldLog = false;
+                }
+            }
+        } catch (\Throwable $e) {
+            $settings = null;
+        }
+
+        if ($shouldLog) {
+            $logger->log($level, $message, $context);
+            if ($settings) {
+                $settings->set($settingsKey, date('Y-m-d H:i:s'));
+            }
+        }
+    }
+}

public_html/index.php

@@ -168,6 +168,10 @@ require_once __DIR__ . '/../app/core/DatabaseConnector.php';
 use App\Core\DatabaseConnector;
 $db = DatabaseConnector::connect($config);
 
+// Initialize Log throttler
+require_once __DIR__ . '/../app/core/LogThrottler.php';
+use App\Core\LogThrottler;
+
 // Logging: default to NullLogger, plugin can override
 require_once __DIR__ . '/../app/core/NullLogger.php';
 use App\Core\NullLogger;
@@ -207,9 +211,9 @@ try {
                     }
                 }
             }
-            // Log and show as a system message only if not already added
+            // Log (throttled) and show as a system message only if not already added
             if (!$hasMigrationMessage) {
-                $logObject->log('warning', $msg, ['scope' => 'system']);
+                LogThrottler::logThrottled($logObject, $db, 'migrations_pending', 86400, 'warning', $msg, ['scope' => 'system']);
                 Feedback::flash('SYSTEM', 'MIGRATIONS_PENDING', $msg, false, true, false);
             }
         }