function subscriptions_ui_get_permission_to_handle in Subscriptions 6

Same name and namespace in other branches

1. 5.2 subscriptions_ui.module \subscriptions_ui_get_permission_to_handle()
2. 7 subscriptions_ui.module \subscriptions_ui_get_permission_to_handle()
3. 2.0.x subscriptions_ui/subscriptions_ui.module \subscriptions_ui_get_permission_to_handle()

Ask for permission to display the subscriptions interface for the given node.

This should be used as follows: if (module_invoke('subscriptions_ui', 'get_permission_to_handle', $nid, 'mymodule') !== FALSE) { my_module_display_interface($nid); } and mymodule needs to implement hook_subscriptions_ui(), see below.

File

./subscriptions_ui.module, line 386

Provides a user interface for Subscriptions.

Code

function subscriptions_ui_get_permission_to_handle($nid, $module) {
  if (subscriptions_node_is_blocked($nid) || !user_access('subscribe to content')) {
    return FALSE;
  }
  static $permissions = array();
  if (empty($permissions[$nid])) {
    foreach (module_implements('subscriptions_ui') as $m) {
      $perm = module_invoke($m, 'subscriptions_ui', $nid);
      if (empty($permissions[$nid]) || $permissions[$nid]['priority'] < $perm['priority']) {
        $permissions[$nid] = $perm;
      }
    }
  }
  return $permissions[$nid]['module'] == $module;
}