check whether an email account is to be deleted when re-adding an email account with the same name, fixes #1519

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

lib/functions/froxlor/function.checkMailAccDeletionState.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2016 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    Functions
+ *
+ */
+
+/**
+ * check whether an email account is to be deleted
+ * reference: #1519
+ *
+ * @return bool true if the domain is to be deleted, false otherwise
+ *        
+ */
+function checkMailAccDeletionState($email_addr = null)
+{
+    // example data of task 7: a:2:{s:9:"loginname";s:4:"webX";s:5:"email";s:20:"deleteme@example.tld";}
+    
+    // check for task
+    $result_tasks_stmt = Database::prepare("
+        SELECT * FROM `" . TABLE_PANEL_TASKS . "` WHERE `type` = '7' AND `data` LIKE :emailaddr
+    ");
+    Database::pexecute($result_tasks_stmt, array(
+        'emailaddr' => "%" . $email_addr . "%"
+    ));
+    $num_results = Database::num_rows();
+    
+    // is there a task for deleting this email account?
+    if ($num_results > 0) {
+        return true;
+    }
+    return false;
+}