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<?php
/**
* @package Joomla.Administrator
* @subpackage com_workflow
*
* @copyright (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
* @since 4.0.0
*/
namespace Joomla\Component\Workflow\Administrator\Model;
\defined('_JEXEC') or die;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\MVC\Model\AdminModel;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\Registry\Registry;
use Joomla\String\StringHelper;
/**
* Model class for transition
*
* @since 4.0.0
*/
class TransitionModel extends AdminModel
{
/**
* Auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @return void
*
* @since 4.0.0
*/
public function populateState()
{
parent::populateState();
$app = Factory::getApplication();
$context = $this->option . '.' . $this->name;
$extension = $app->getUserStateFromRequest($context . '.filter.extension', 'extension', null, 'cmd');
$this->setState('filter.extension', $extension);
}
/**
* Method to test whether a record can be deleted.
*
* @param object $record A record object.
*
* @return boolean True if allowed to delete the record. Defaults to the permission for the component.
*
* @since 4.0.0
*/
protected function canDelete($record)
{
if (empty($record->id) || $record->published != -2)
{
return false;
}
$app = Factory::getApplication();
$extension = $app->getUserStateFromRequest('com_workflow.transition.filter.extension', 'extension', null, 'cmd');
return Factory::getUser()->authorise('core.delete', $extension . '.transition.' . (int) $record->id);
}
/**
* Method to test whether a record can have its state changed.
*
* @param object $record A record object.
*
* @return boolean True if allowed to change the state of the record. Defaults to the permission set in the component.
*
* @since 4.0.0
*/
protected function canEditState($record)
{
$user = Factory::getUser();
$app = Factory::getApplication();
$context = $this->option . '.' . $this->name;
$extension = $app->getUserStateFromRequest($context . '.filter.extension', 'extension', null, 'cmd');
if (!\property_exists($record, 'workflow_id'))
{
$workflowID = $app->getUserStateFromRequest($context . '.filter.workflow_id', 'workflow_id', 0, 'int');
$record->workflow_id = $workflowID;
}
// Check for existing workflow.
if (!empty($record->id))
{
return $user->authorise('core.edit.state', $extension . '.transition.' . (int) $record->id);
}
// Default to component settings if workflow isn't known.
return $user->authorise('core.edit.state', $extension);
}
/**
* Method to get a single record.
*
* @param integer $pk The id of the primary key.
*
* @return CMSObject|boolean Object on success, false on failure.
*
* @since 4.0.0
*/
public function getItem($pk = null)
{
$item = parent::getItem($pk);
if (property_exists($item, 'options'))
{
$registry = new Registry($item->options);
$item->options = $registry->toArray();
}
return $item;
}
/**
* Method to save the form data.
*
* @param array $data The form data.
*
* @return boolean True on success.
*
* @since 4.0.0
*/
public function save($data)
{
$table = $this->getTable();
$context = $this->option . '.' . $this->name;
$app = Factory::getApplication();
$user = $app->getIdentity();
$input = $app->input;
$workflowID = $app->getUserStateFromRequest($context . '.filter.workflow_id', 'workflow_id', 0, 'int');
if (empty($data['workflow_id']))
{
$data['workflow_id'] = $workflowID;
}
$workflow = $this->getTable('Workflow');
$workflow->load($data['workflow_id']);
$parts = explode('.', $workflow->extension);
if (isset($data['rules']) && !$user->authorise('core.admin', $parts[0]))
{
unset($data['rules']);
}
// Make sure we use the correct workflow_id when editing an existing transition
$key = $table->getKeyName();
$pk = (isset($data[$key])) ? $data[$key] : (int) $this->getState($this->getName() . '.id');
if ($pk > 0)
{
$table->load($pk);
if ((int) $table->workflow_id)
{
$data['workflow_id'] = (int) $table->workflow_id;
}
}
if ($input->get('task') == 'save2copy')
{
$origTable = clone $this->getTable();
// Alter the title for save as copy
if ($origTable->load(['title' => $data['title']]))
{
list($title) = $this->generateNewTitle(0, '', $data['title']);
$data['title'] = $title;
}
$data['published'] = 0;
}
return parent::save($data);
}
/**
* Method to change the title
*
* @param integer $categoryId The id of the category.
* @param string $alias The alias.
* @param string $title The title.
*
* @return array Contains the modified title and alias.
*
* @since 4.0.0
*/
protected function generateNewTitle($categoryId, $alias, $title)
{
// Alter the title & alias
$table = $this->getTable();
while ($table->load(array('title' => $title)))
{
$title = StringHelper::increment($title);
}
return array($title, $alias);
}
/**
* Abstract method for getting the form from the model.
*
* @param array $data Data for the form.
* @param boolean $loadData True if the form is to load its own data (default case), false if not.
*
* @return \JForm|boolean A JForm object on success, false on failure
*
* @since 4.0.0
*/
public function getForm($data = array(), $loadData = true)
{
// Get the form.
$form = $this->loadForm(
'com_workflow.transition',
'transition',
array(
'control' => 'jform',
'load_data' => $loadData
)
);
if (empty($form))
{
return false;
}
$id = $data['id'] ?? $form->getValue('id');
$item = $this->getItem($id);
$canEditState = $this->canEditState((object) $item);
// Modify the form based on access controls.
if (!$canEditState)
{
$form->setFieldAttribute('published', 'disabled', 'true');
$form->setFieldAttribute('published', 'required', 'false');
$form->setFieldAttribute('published', 'filter', 'unset');
}
if (!empty($item->workflow_id))
{
$data['workflow_id'] = (int) $item->workflow_id;
}
if (empty($data['workflow_id']))
{
$context = $this->option . '.' . $this->name;
$data['workflow_id'] = (int) Factory::getApplication()->getUserStateFromRequest(
$context . '.filter.workflow_id', 'workflow_id',
0,
'int'
);
}
$where = $this->getDbo()->quoteName('workflow_id') . ' = ' . (int) $data['workflow_id'];
$where .= ' AND ' . $this->getDbo()->quoteName('published') . ' = 1';
$form->setFieldAttribute('from_stage_id', 'sql_where', $where);
$form->setFieldAttribute('to_stage_id', 'sql_where', $where);
return $form;
}
/**
* Method to get the data that should be injected in the form.
*
* @return mixed The data for the form.
*
* @since 4.0.0
*/
protected function loadFormData()
{
// Check the session for previously entered form data.
$data = Factory::getApplication()->getUserState(
'com_workflow.edit.transition.data',
array()
);
if (empty($data))
{
$data = $this->getItem();
}
return $data;
}
public function getWorkflow()
{
$app = Factory::getApplication();
$context = $this->option . '.' . $this->name;
$workflow_id = (int) $app->getUserStateFromRequest($context . '.filter.workflow_id', 'workflow_id', 0, 'int');
$workflow = $this->getTable('Workflow');
$workflow->load($workflow_id);
return (object) $workflow->getProperties();
}
/**
* Trigger the form preparation for the workflow group
*
* @param Form $form A Form object.
* @param mixed $data The data expected for the form.
* @param string $group The name of the plugin group to import (defaults to "content").
*
* @return void
*
* @see FormField
* @since 4.0.0
* @throws \Exception if there is an error in the form event.
*/
protected function preprocessForm(Form $form, $data, $group = 'content')
{
$extension = Factory::getApplication()->input->get('extension');
$parts = explode('.', $extension);
$extension = array_shift($parts);
// Set the access control rules field component value.
$form->setFieldAttribute('rules', 'component', $extension);
// Import the appropriate plugin group.
PluginHelper::importPlugin('workflow');
parent::preprocessForm($form, $data, $group);
}
}