UPD edit form

admin/src/Table/PartTable.php

@@ -10,6 +10,7 @@
 
 namespace KW4NZ\Component\Depot\Administrator\Table;
 
+use Joomla\CMS\Factory;
 use Joomla\CMS\Table\Table;
 use Joomla\Database\DatabaseDriver;
 
@@ -21,4 +22,50 @@ class PartTable extends Table
 	{
 		parent::__construct('#__depot', 'id', $db);
 	}
+
+	public function store($updateNulls = true)
+	{
+		$app = Factory::getApplication();
+		$date = Factory::getDate()->toSql();
+		// $user = Factory::getUser();
+		// $user = $this->getCurrentUser();
+		$user = $app->getIdentity();
+
+		if (!$this->created) {
+			$this->created = $date;
+		}
+
+		if (!$this->created_by) {
+			$this->created_by = $user->get('id');
+		}
+
+		if ($this->id) {
+			// existing item
+			$this->modified_by = $user->get('id');
+			$this->modified = $date;
+		} else {
+			// set modified to created date if not set
+			if (!$this->modified) {
+				$this->modified = $this->created;
+			}
+			if (empty($this->modified_by)) {
+				$this->modified_by = $this->created_by;
+			}
+		}
+
+		// Verify that the alias is unique
+		$table = $app->bootComponent('com_depot')->getMVCFactory()->createTable('Part', 'Administrator');
+		if ($table->load(['alias' => $this->alias]) && ($table->id != $this->id || $this->id == 0)) {
+			$this->setError('Alias is not unique.');
+
+			if ($table->state == -2) {
+				$this->setError('Alias is not unique. The item is in Trash.');
+			}
+
+			return false;
+		}
+
+		return parent::store($updateNulls);
+	}
+
 }