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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Administrator
   5   * @subpackage  com_content
   6   *
   7   * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\Component\Content\Administrator\Helper;
  12  
  13  use Joomla\CMS\Factory;
  14  use Joomla\CMS\Form\Form;
  15  use Joomla\CMS\Language\Text;
  16  use Joomla\CMS\Table\Category;
  17  use Joomla\CMS\Workflow\WorkflowServiceInterface;
  18  use Joomla\Database\ParameterType;
  19  use Joomla\Registry\Registry;
  20  
  21  // phpcs:disable PSR1.Files.SideEffects
  22  \defined('_JEXEC') or die;
  23  // phpcs:enable PSR1.Files.SideEffects
  24  
  25  /**
  26   * Content component helper.
  27   *
  28   * @since  1.6
  29   */
  30  class ContentHelper extends \Joomla\CMS\Helper\ContentHelper
  31  {
  32      /**
  33       * Check if state can be deleted
  34       *
  35       * @param   int  $id  Id of state to delete
  36       *
  37       * @return  boolean
  38       *
  39       * @since   4.0.0
  40       */
  41      public static function canDeleteState(int $id): bool
  42      {
  43          $db    = Factory::getDbo();
  44          $query = $db->getQuery(true);
  45  
  46          $query->select('id')
  47              ->from($db->quoteName('#__content'))
  48              ->where($db->quoteName('state') . ' = :id')
  49              ->bind(':id', $id, ParameterType::INTEGER);
  50          $db->setQuery($query);
  51          $states = $db->loadResult();
  52  
  53          return empty($states);
  54      }
  55  
  56      /**
  57       * Method to filter transitions by given id of state
  58       *
  59       * @param   array  $transitions  Array of transitions
  60       * @param   int    $pk           Id of state
  61       * @param   int    $workflowId   Id of the workflow
  62       *
  63       * @return  array
  64       *
  65       * @since   4.0.0
  66       */
  67      public static function filterTransitions(array $transitions, int $pk, int $workflowId = 0): array
  68      {
  69          return array_values(
  70              array_filter(
  71                  $transitions,
  72                  function ($var) use ($pk, $workflowId) {
  73                      return in_array($var['from_stage_id'], [-1, $pk]) && $workflowId == $var['workflow_id'];
  74                  }
  75              )
  76          );
  77      }
  78  
  79      /**
  80       * Prepares a form
  81       *
  82       * @param   Form          $form  The form to change
  83       * @param   array|object  $data  The form data
  84       *
  85       * @return void
  86       */
  87      public static function onPrepareForm(Form $form, $data)
  88      {
  89          if ($form->getName() != 'com_categories.categorycom_content') {
  90              return;
  91          }
  92  
  93          $db = Factory::getDbo();
  94  
  95          $data = (array) $data;
  96  
  97          // Make workflows translatable
  98          Factory::getLanguage()->load('com_workflow', JPATH_ADMINISTRATOR);
  99  
 100          $form->setFieldAttribute('workflow_id', 'default', 'inherit');
 101  
 102          $component = Factory::getApplication()->bootComponent('com_content');
 103  
 104          if (
 105              !$component instanceof WorkflowServiceInterface
 106              || !$component->isWorkflowActive('com_content.article')
 107          ) {
 108              $form->removeField('workflow_id', 'params');
 109  
 110              return;
 111          }
 112  
 113          $query = $db->getQuery(true);
 114  
 115          $query->select($db->quoteName('title'))
 116              ->from($db->quoteName('#__workflows'))
 117              ->where(
 118                  [
 119                      $db->quoteName('default') . ' = 1',
 120                      $db->quoteName('published') . ' = 1',
 121                      $db->quoteName('extension') . ' = ' . $db->quote('com_content.article'),
 122                  ]
 123              );
 124  
 125          $defaulttitle = $db->setQuery($query)->loadResult();
 126  
 127          $option = Text::_('COM_WORKFLOW_INHERIT_WORKFLOW_NEW');
 128  
 129          if (!empty($data['id'])) {
 130              $category = new Category($db);
 131  
 132              $categories = $category->getPath((int) $data['id']);
 133  
 134              // Remove the current category, because we search for inheritance from parent.
 135              array_pop($categories);
 136  
 137              $option = Text::sprintf('COM_WORKFLOW_INHERIT_WORKFLOW', Text::_($defaulttitle));
 138  
 139              if (!empty($categories)) {
 140                  $categories = array_reverse($categories);
 141  
 142                  $query = $db->getQuery(true);
 143  
 144                  $query->select($db->quoteName('title'))
 145                      ->from($db->quoteName('#__workflows'))
 146                      ->where(
 147                          [
 148                              $db->quoteName('id') . ' = :workflowId',
 149                              $db->quoteName('published') . ' = 1',
 150                              $db->quoteName('extension') . ' = ' . $db->quote('com_content.article'),
 151                          ]
 152                      )
 153                      ->bind(':workflowId', $workflow_id, ParameterType::INTEGER);
 154  
 155                  $db->setQuery($query);
 156  
 157                  foreach ($categories as $cat) {
 158                      $cat->params = new Registry($cat->params);
 159  
 160                      $workflow_id = $cat->params->get('workflow_id');
 161  
 162                      if ($workflow_id == 'inherit') {
 163                          continue;
 164                      } elseif ($workflow_id == 'use_default') {
 165                          break;
 166                      } elseif ($workflow_id = (int) $workflow_id) {
 167                          $title = $db->loadResult();
 168  
 169                          if (!is_null($title)) {
 170                              $option = Text::sprintf('COM_WORKFLOW_INHERIT_WORKFLOW', Text::_($title));
 171  
 172                              break;
 173                          }
 174                      }
 175                  }
 176              }
 177          }
 178  
 179          $field = $form->getField('workflow_id', 'params');
 180  
 181          $field->addOption($option, ['value' => 'inherit']);
 182  
 183          $field->addOption(Text::sprintf('COM_WORKFLOW_USE_DEFAULT_WORKFLOW', Text::_($defaulttitle)), ['value' => 'use_default']);
 184  
 185          $field->addOption('- ' . Text::_('COM_CONTENT_WORKFLOWS') . ' -', ['disabled' => 'true']);
 186      }
 187  }