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libraries/fof40/Model/DataModel/Behaviour/Modified.php

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+<?php
+/**
+ * @package   FOF
+ * @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @license   GNU General Public License version 3, or later
+ */
+
+namespace  FOF40\Model\DataModel\Behaviour;
+
+defined('_JEXEC') || die;
+
+use FOF40\Event\Observer;
+use FOF40\Model\DataModel;
+use JDatabaseQuery;
+
+/**
+ * FOF model behavior class to updated the modified_by and modified_on fields on newly created records.
+ *
+ * This behaviour is added to DataModel by default. If you want to remove it you need to do
+ * $this->behavioursDispatcher->removeBehaviour('Modified');
+ *
+ * @since  3.0
+ */
+class Modified extends Observer
+{
+	/**
+	 * Add the modified_on and modified_by fields in the fieldsSkipChecks list of the model. We expect them to be empty
+	 * so that we can fill them in through this behaviour.
+	 *
+	 * @param   DataModel  $model
+	 */
+	public function onBeforeCheck(DataModel &$model)
+	{
+		$model->addSkipCheckField('modified_on');
+		$model->addSkipCheckField('modified_by');
+	}
+
+	/**
+	 * @param   DataModel  $model
+	 * @param   \stdClass  $dataObject
+	 */
+	public function onBeforeUpdate(DataModel &$model, &$dataObject)
+	{
+		// Make sure we're not modifying a locked record
+		$userId = $model->getContainer()->platform->getUser()->id;
+		$isLocked = $model->isLocked($userId);
+
+		if ($isLocked)
+		{
+			return;
+		}
+
+		// Handle the modified_on field
+		if ($model->hasField('modified_on'))
+		{
+			$model->setFieldValue('modified_on', $model->getContainer()->platform->getDate()->toSql(false, $model->getDbo()));
+
+			$modifiedOnField = $model->getFieldAlias('modified_on');
+			$dataObject->$modifiedOnField = $model->getFieldValue('modified_on');
+		}
+
+		// Handle the modified_by field
+		if ($model->hasField('modified_by'))
+		{
+			$model->setFieldValue('modified_by', $userId);
+
+			$modifiedByField = $model->getFieldAlias('modified_by');
+			$dataObject->$modifiedByField = $model->getFieldValue('modified_by');
+		}
+	}
+}