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libraries/fof30/Model/DataModel/Behaviour/ContentHistory.php

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+<?php
+/**
+ * @package   FOF
+ * @copyright Copyright (c)2010-2021 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @license   GNU General Public License version 2, or later
+ */
+
+namespace FOF30\Model\DataModel\Behaviour;
+
+defined('_JEXEC') || die;
+
+use FOF30\Event\Observer;
+use FOF30\Model\DataModel;
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Helper\ContentHistoryHelper;
+
+/**
+ * FOF model behavior class to add Joomla! content history support
+ *
+ * @since    2.1
+ */
+class ContentHistory extends Observer
+{
+	/** @var  ContentHistoryHelper */
+	protected $historyHelper;
+
+	/**
+	 * The event which runs after storing (saving) data to the database
+	 *
+	 * @param   DataModel  &$model  The model which calls this event
+	 *
+	 * @return  boolean  True to allow saving without an error
+	 */
+	public function onAfterSave(&$model)
+	{
+		$aliasParts = explode('.', $model->getContentType());
+		$model->checkContentType();
+
+		if (ComponentHelper::getParams($aliasParts[0])->get('save_history', 0))
+		{
+			if (!$this->historyHelper)
+			{
+				$this->historyHelper = new ContentHistoryHelper($model->getContentType());
+			}
+
+			$this->historyHelper->store($model);
+		}
+
+		return true;
+	}
+
+	/**
+	 * The event which runs before deleting a record
+	 *
+	 * @param   DataModel &$model  The model which calls this event
+	 * @param   integer    $oid    The PK value of the record to delete
+	 *
+	 * @return  boolean  True to allow the deletion
+	 */
+	public function onBeforeDelete(&$model, $oid)
+	{
+		$aliasParts = explode('.', $model->getContentType());
+
+		if (ComponentHelper::getParams($aliasParts[0])->get('save_history', 0))
+		{
+			if (!$this->historyHelper)
+			{
+				$this->historyHelper = new ContentHistoryHelper($model->getContentType());
+			}
+
+			$this->historyHelper->deleteHistory($model);
+		}
+
+		return true;
+	}
+
+	/**
+	 * This event runs after publishing a record in a model
+	 *
+	 * @param   DataModel  &$model  The model which calls this event
+	 *
+	 * @return  void
+	 */
+	public function onAfterPublish(&$model)
+	{
+		$model->updateUcmContent();
+	}
+
+	/**
+	 * This event runs after unpublishing a record in a model
+	 *
+	 * @param   DataModel  &$model  The model which calls this event
+	 *
+	 * @return  void
+	 */
+	public function onAfterUnpublish(&$model)
+	{
+		$model->updateUcmContent();
+	}
+}