views_handler_field_user_permissions.inc

<?php


/**
 * @file
 * Definition of views_handler_field_user_permissions.
 */

/**
 * Field handler to provide a list of permissions.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_user_permissions extends views_handler_field_prerender_list {
    
    /**
     * {@inheritdoc}
     */
    public function construct() {
        parent::construct();
        $this->additional_fields['uid'] = array(
            'table' => 'users',
            'field' => 'uid',
        );
    }
    
    /**
     * {@inheritdoc}
     */
    public function query() {
        $this->add_additional_fields();
        $this->field_alias = $this->aliases['uid'];
    }
    
    /**
     * {@inheritdoc}
     */
    public function pre_render(&$values) {
        $uids = array();
        $this->items = array();
        foreach ($values as $result) {
            $uids[] = $this->get_value($result, NULL, TRUE);
        }
        if ($uids) {
            // Get a list of all the modules implementing a hook_permission() and
            // sort by display name.
            $module_info = system_get_info('module');
            $modules = array();
            foreach (module_implements('permission') as $module) {
                $modules[$module] = $module_info[$module]['name'];
            }
            asort($modules);
            $permissions = module_invoke_all('permission');
            $result = db_query("SELECT u.uid, u.rid, rp.permission FROM {role_permission} rp INNER JOIN {users_roles} u ON u.rid = rp.rid WHERE u.uid IN (:uids) AND rp.module IN (:modules) ORDER BY rp.permission", array(
                ':uids' => $uids,
                ':modules' => array_keys($modules),
            ));
            foreach ($result as $perm) {
                $this->items[$perm->uid][$perm->permission]['permission'] = $permissions[$perm->permission]['title'];
            }
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function render_item($count, $item) {
        return $item['permission'];
    }
    
    /**
     *
     */
    // @code
    // function document_self_tokens(&$tokens) {
    //   $tokens['[' . $this->options['id'] . '-role' . ']'] = t('The name of the role.');
    //   $tokens['[' . $this->options['id'] . '-rid' . ']'] = t('The role ID of the role.');
    // }
    // @endcode
    
    /**
     *
     */
    // @code
    // function add_self_tokens(&$tokens, $item) {
    //   $tokens['[' . $this->options['id'] . '-role' . ']'] = $item['role'];
    //   $tokens['[' . $this->options['id'] . '-rid' . ']'] = $item['rid'];
    // }
    // @endcode

}