fix: prevent sql error when updating to admidio 5.0 and no changelog table is present

Author: MightyMCoder

src/Infrastructure/Database.php

@@ -487,6 +487,25 @@ public function getVersion(): string
         return $version;
     }
 
+    /**
+     * Method checks if a table exists in the current database.
+     * @param string $tableName
+     * @return bool
+     * @throws Exception
+     */
+    public function tableExists(string $tableName): bool
+    {
+        $tableExists = false;
+
+        $sql = 'SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = ? AND table_name = ?';
+        $statement = $this->queryPrepared($sql, array(DB_NAME, $tableName));
+        if ($statement->fetchColumn() > 0) {
+            $tableExists = true;
+        }
+
+        return $tableExists;
+    }
+
     /**
      * Method gets all columns and their properties from the database table.
      *

system/common.php

@@ -232,7 +232,14 @@
 
 // update session recordset (i.a. refresh timestamp)
 $gCurrentSession->setValue('ses_reload', 0);
-$gCurrentSession->save();
+if ($gCurrentSession->isNewRecord() && !$gDb->tableExists(TBL_LOG)) {
+    //temporary disable logging cause log table doesn't exist yet
+    $gCurrentSession->setLoggingEnabled(false);
+    $gCurrentSession->save();
+    $gCurrentSession->setLoggingEnabled(true);
+} else {
+    $gCurrentSession->save();
+}
 
 // create the necessary objects and parameters