Delete: fixed that files not automatically deleted.

Delete.php: chdir to the correct directory before starting to delete files

extension/qfq/qfq/Delete.php

@@ -10,6 +10,7 @@ namespace qfq;
 
 require_once(__DIR__ . '/Constants.php');
 require_once(__DIR__ . '/Database.php');
+require_once(__DIR__ . '/store/Store.php');
 
 
 class Delete {
@@ -18,11 +19,17 @@ class Delete {
      */
     private $db = null;
 
+    /**
+     * @var Store
+     */
+    private $store = null;
+
     /**
      *
      */
-    public function __construct() {
+    public function __construct($phpUnit = false) {
         $this->db = new Database();
+        $this->store = Store::getInstance('', $phpUnit);
     }
 
     /**
@@ -36,6 +43,7 @@ class Delete {
      * @return bool
      * @throws CodeException
      * @throws DbException
+     * @throws UserFormException
      */
     public function process(array $form, $recordId, array &$msg) {
         $rc = false;
@@ -49,6 +57,13 @@ class Delete {
             throw new CodeException('Invalid record id', ERROR_MISSING_RECORD_ID);
         }
 
+        // Take care the necessary target directories exist.
+        $cwd = getcwd();
+        $sitePath = $this->store->getVar(SYSTEM_SITE_PATH, STORE_SYSTEM);
+        if ($cwd === false || $sitePath === false || !chdir($sitePath)) {
+            throw new UserFormException("getcwd() failed or SITE_PATH undefined or chdir('$sitePath') failed.", ERROR_IO_CHDIR);
+        }
+
         // Read record first.
         $row = $this->db->sql("SELECT * FROM " . $form[F_TABLE_NAME] . " WHERE id=?", ROW_EXPECT_0_1, [$recordId]);
         if (count($row) > 0) {
@@ -83,6 +98,8 @@ class Delete {
             $msg[MSG_ERROR_CODE] = ERROR_RECORD_NOT_FOUND;
         }
 
+        chdir($cwd);
+
         return $rc;
     }
 }
\ No newline at end of file