micro_private/micro_private.module at master · blup/micro_private · GitHub

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<?php
// $Id$ micro_private.module, v 1.0 2010/12/01 04:20:00 blup Exp $

/**
 * @file
 * Micro privacy settings
 */

/**
 * Implements hook_permission()
 */
function micro_private_permission() {
  $permissions = array(
   'view private micro items attached to own content' => array(
      'title' => t('View private micro items'),
      'description' => t('View private micro items attached to own content.'),
    ),
    'view any private micro item' => array(
      'title' => t('View any private micro item'),
      'description' => t('View any private micro item.'),
    ),
  );
  /*
   *foreach (micro_type_get_types() as $type) {
   *  $type_name = check_plain($type->machine_name);
   *  if (isset($type->data['private']) && $type->data['private'] == '1') {
   *    $permissions += array(
   *      "view own $type_name micro items" => array(
   *        'title' => t('%type_name: View own private items', array('%type_name' => $type->name)),
   *      ),
   *    );
   *  }
   *}
   */
  return $permissions;
}

/**
 * Implements hook_micro_access().
 */
function micro_private_micro_access($micro, $op, $account) {
  // Ignore authors and operations other than 'view'
  if ($op == 'view' && $account->uid != $micro->uid) {
    $micro_type = micro_type_get_type($micro);
    // If viewing and the micro item is private, load the entity
    if (isset($micro_type->data['private']) && $micro_type->data['private'] == '1') {
      if (user_access('view any private micro items', $account)) {
        return MICRO_ACCESS_ALLOW;
      }
      else {
        switch ($micro_type->entity) {
          case 'micro':
            $entity = micro_load($micro->eid);
            break;
          case 'node':
            $entity = node_load($micro->eid);
            break;
          case 'user':
              $entity = user_load($micro->eid);
              break;
            case 'comment':
              $entity = comment_load($micro->eid);
              break;
        }
        // Allow if user viewing is the author of the entity it's attached to, and he has permission.
        if (isset($entity) && $account->uid == $entity->uid && user_access('view private micro items attached to own content', $account)) {
          return MICRO_ACCESS_ALLOW;
        }
        // Deny otherwise
        else {
          return MICRO_ACCESS_DENY;
        }
      }
    }
  }
  return MICRO_ACCESS_IGNORE;
}


/**
 * Implements hook_form_BASE_FORM_ID_alter().
 *
 * Adds the privacy settings tab
 */
function micro_private_form_micro_type_form_alter(&$form, &$form_state, $form_id) {
  /*
   *$micro = $form['#micro'];
   *dsm($form_state);
   */
  $form['workflow']['private'] = array(
    '#type' => 'checkbox',
    '#title' => t('Private'),
    '#description' => t('Whether items are private or not.'),
    '#options' => array('0' => FALSE, '1' => TRUE),
    '#default_value' => isset($type->data['private']) ? $type->data['private'] : FALSE,
  );
}

/**
 * Implements hook_micro_data_alter().
 */
function micro_private_micro_data_alter(&$data, &$form_state) {
  $data['private'] = $form_state['values']['private'];
}