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/home/develito/www/administrator/components/com_tags/models/tag.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_tags
 *
 * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\Registry\Registry;
use Joomla\String\StringHelper;

/**
 * Tags Component Tag Model
 *
 * @since  3.1
 */
class TagsModelTag extends JModelAdmin
{
	/**
	 * @var    string  The prefix to use with controller messages.
	 * @since  3.1
	 */
	protected $text_prefix = 'COM_TAGS';

/**
	 * @var    string  The type alias for this content type.
	 * @since  3.2
	 */
	public $typeAlias = 'com_tags.tag';

/**
	 * Allowed batch commands
	 *
	 * @var    array
	 * @since  3.7.0
	 */
	protected $batch_commands = array(
		'assetgroup_id' => 'batchAccess',
		'language_id' => 'batchLanguage',
	);

/**
	 * Method to test whether a record can be deleted.
	 *
	 * @param   object  $record  A record object.
	 *
	 * @return  boolean  True if allowed to delete the record. Defaults to the permission set in the component.
	 *
	 * @since   3.1
	 */
	protected function canDelete($record)
	{
		if (empty($record->id) || $record->published != -2)
		{
			return false;
		}

return parent::canDelete($record);
	}

/**
	 * Method to get a table object, load it if necessary.
	 *
	 * @param   string  $type    The table name. Optional.
	 * @param   string  $prefix  The class prefix. Optional.
	 * @param   array   $config  Configuration array for model. Optional.
	 *
	 * @return  JTable  A JTable object
	 *
	 * @since   3.1
	 */
	public function getTable($type = 'Tag', $prefix = 'TagsTable', $config = array())
	{
		return JTable::getInstance($type, $prefix, $config);
	}

/**
	 * Auto-populate the model state.
	 *
	 * @note Calling getState in this method will result in recursion.
	 *
	 * @return  void
	 *
	 * @since   3.1
	 */
	protected function populateState()
	{
		$app = JFactory::getApplication('administrator');

$parentId = $app->input->getInt('parent_id');
		$this->setState('tag.parent_id', $parentId);

// Load the User state.
		$pk = $app->input->getInt('id');
		$this->setState($this->getName() . '.id', $pk);

// Load the parameters.
		$params = JComponentHelper::getParams('com_tags');
		$this->setState('params', $params);
	}

/**
	 * Method to get a tag.
	 *
	 * @param   integer  $pk  An optional id of the object to get, otherwise the id from the model state is used.
	 *
	 * @return  mixed  Tag data object on success, false on failure.
	 *
	 * @since   3.1
	 */
	public function getItem($pk = null)
	{
		if ($result = parent::getItem($pk))
		{
			// Prime required properties.
			if (empty($result->id))
			{
				$result->parent_id = $this->getState('tag.parent_id');
			}

// Convert the metadata field to an array.
			$registry = new Registry($result->metadata);
			$result->metadata = $registry->toArray();

// Convert the images field to an array.
			$registry = new Registry($result->images);
			$result->images = $registry->toArray();

// Convert the urls field to an array.
			$registry = new Registry($result->urls);
			$result->urls = $registry->toArray();

// Convert the modified date to local user time for display in the form.
			$tz = new DateTimeZone(JFactory::getApplication()->get('offset'));

if ((int) $result->modified_time)
			{
				$date = new JDate($result->modified_time);
				$date->setTimezone($tz);
				$result->modified_time = $date->toSql(true);
			}
			else
			{
				$result->modified_time = null;
			}
		}

return $result;
	}

/**
	 * Method to get the row form.
	 *
	 * @param   array    $data      Data for the form.
	 * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
	 *
	 * @return  mixed  A JForm object on success, false on failure
	 *
	 * @since   3.1
	 */
	public function getForm($data = array(), $loadData = true)
	{
		$jinput = JFactory::getApplication()->input;

// Get the form.
		$form = $this->loadForm('com_tags.tag', 'tag', array('control' => 'jform', 'load_data' => $loadData));

if (empty($form))
		{
			return false;
		}

$user = JFactory::getUser();

if (!$user->authorise('core.edit.state', 'com_tags' . $jinput->get('id')))
		{
			// Disable fields for display.
			$form->setFieldAttribute('ordering', 'disabled', 'true');
			$form->setFieldAttribute('published', 'disabled', 'true');

// Disable fields while saving.
			// The controller has already verified this is a record you can edit.
			$form->setFieldAttribute('ordering', 'filter', 'unset');
			$form->setFieldAttribute('published', 'filter', 'unset');
		}

return $form;
	}

/**
	 * Method to get the data that should be injected in the form.
	 *
	 * @return  mixed  The data for the form.
	 *
	 * @since   3.1
	 */
	protected function loadFormData()
	{
		// Check the session for previously entered form data.
		$data = JFactory::getApplication()->getUserState('com_tags.edit.tag.data', array());

if (empty($data))
		{
			$data = $this->getItem();
		}

$this->preprocessData('com_tags.tag', $data);

return $data;
	}

/**
	 * Method to save the form data.
	 *
	 * @param   array  $data  The form data.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   3.1
	 */
	public function save($data)
	{
		$dispatcher = JEventDispatcher::getInstance();
		$table      = $this->getTable();
		$input      = JFactory::getApplication()->input;
		$pk         = (!empty($data['id'])) ? $data['id'] : (int) $this->getState($this->getName() . '.id');
		$isNew      = true;
		$context    = $this->option . '.' . $this->name;

// Include the plugins for the save events.
		JPluginHelper::importPlugin($this->events_map['save']);

// Load the row if saving an existing tag.
		if ($pk > 0)
		{
			$table->load($pk);
			$isNew = false;
		}

// Set the new parent id if parent id not matched OR while New/Save as Copy .
		if ($table->parent_id != $data['parent_id'] || $data['id'] == 0)
		{
			$table->setLocation($data['parent_id'], 'last-child');
		}

if (isset($data['images']) && is_array($data['images']))
		{
			$registry = new Registry($data['images']);
			$data['images'] = (string) $registry;
		}

if (isset($data['urls']) && is_array($data['urls']))
		{
			$registry = new Registry($data['urls']);
			$data['urls'] = (string) $registry;
		}

// Alter the title for save as copy
		if ($input->get('task') == 'save2copy')
		{
			$origTable = $this->getTable();
			$origTable->load($input->getInt('id'));

if ($data['title'] == $origTable->title)
			{
				list($title, $alias) = $this->generateNewTitle($data['parent_id'], $data['alias'], $data['title']);
				$data['title'] = $title;
				$data['alias'] = $alias;
			}
			elseif ($data['alias'] == $origTable->alias)
			{
				$data['alias'] = '';
			}

$data['published'] = 0;
		}

// Bind the data.
		if (!$table->bind($data))
		{
			$this->setError($table->getError());

return false;
		}

// Bind the rules.
		if (isset($data['rules']))
		{
			$rules = new JAccessRules($data['rules']);
			$table->setRules($rules);
		}

// Check the data.
		if (!$table->check())
		{
			$this->setError($table->getError());

return false;
		}

// Trigger the before save event.
		$result = $dispatcher->trigger($this->event_before_save, array($context, &$table, $isNew));

if (in_array(false, $result, true))
		{
			$this->setError($table->getError());

return false;
		}

// Store the data.
		if (!$table->store())
		{
			$this->setError($table->getError());

return false;
		}

// Trigger the after save event.
		$dispatcher->trigger($this->event_after_save, array($context, &$table, $isNew));

// Rebuild the path for the tag:
		if (!$table->rebuildPath($table->id))
		{
			$this->setError($table->getError());

return false;
		}

// Rebuild the paths of the tag's children:
		if (!$table->rebuild($table->id, $table->lft, $table->level, $table->path))
		{
			$this->setError($table->getError());

return false;
		}

$this->setState($this->getName() . '.id', $table->id);

// Clear the cache
		$this->cleanCache();

return true;
	}

/**
	 * Method rebuild the entire nested set tree.
	 *
	 * @return  boolean  False on failure or error, true otherwise.
	 *
	 * @since   3.1
	 */
	public function rebuild()
	{
		// Get an instance of the table object.
		$table = $this->getTable();

if (!$table->rebuild())
		{
			$this->setError($table->getError());

return false;
		}

// Clear the cache
		$this->cleanCache();

return true;
	}

/**
	 * Method to save the reordered nested set tree.
	 * First we save the new order values in the lft values of the changed ids.
	 * Then we invoke the table rebuild to implement the new ordering.
	 *
	 * @param   array    $idArray   An array of primary key ids.
	 * @param   integer  $lftArray  The lft value
	 *
	 * @return  boolean  False on failure or error, True otherwise
	 *
	 * @since   3.1
	 */
	public function saveorder($idArray = null, $lftArray = null)
	{
		// Get an instance of the table object.
		$table = $this->getTable();

if (!$table->saveorder($idArray, $lftArray))
		{
			$this->setError($table->getError());

return false;
		}

// Clear the cache
		$this->cleanCache();

return true;
	}

/**
	 * Method to change the title & alias.
	 *
	 * @param   integer  $parentId  The id of the parent.
	 * @param   string   $alias     The alias.
	 * @param   string   $title     The title.
	 *
	 * @return  array  Contains the modified title and alias.
	 *
	 * @since   3.1
	 */
	protected function generateNewTitle($parentId, $alias, $title)
	{
		// Alter the title & alias
		$table = $this->getTable();

while ($table->load(array('alias' => $alias, 'parent_id' => $parentId)))
		{
			$title = ($table->title != $title) ? $title : StringHelper::increment($title);
			$alias = StringHelper::increment($alias, 'dash');
		}

return array($title, $alias);
	}
}