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<?php |
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namespace dokuwiki\Action; |
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/** |
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* Class Subscribe |
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* |
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* E-Mail subscription handling |
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* |
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* @package dokuwiki\Action |
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*/ |
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class Subscribe extends AbstractUserAction { |
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/** @inheritdoc */ |
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function minimumPermission() { |
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return AUTH_READ; |
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} |
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/** @inheritdoc */ |
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public function preProcess() { |
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$act = $this->actionname; |
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try { |
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$act = $this->handleSubscribeData(); |
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} catch(\Exception $e) { |
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msg($e->getMessage(), -1); |
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} |
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return $act; |
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} |
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/** @inheritdoc */ |
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public function tplContent() { |
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tpl_subscribe(); |
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} |
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/** |
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* Handle page 'subscribe' |
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* |
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* Throws exception on error. |
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* |
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* @author Adrian Lang <[email protected]> |
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* |
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* @return string action command |
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* @throws \Exception if (un)subscribing fails |
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*/ |
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protected function handleSubscribeData() { |
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global $lang; |
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global $INFO; |
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global $ID; |
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global $INPUT; |
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// get and preprocess data. |
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$params = array(); |
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foreach(array('target', 'style', 'action') as $param) { |
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if($INPUT->has("sub_$param")) { |
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$params[$param] = $INPUT->str("sub_$param"); |
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} |
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} |
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// any action given? if not just return and show the subscription page |
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if(empty($params['action']) || !checkSecurityToken()) return $this->actionname; |
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// Handle POST data, may throw exception. |
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trigger_event('ACTION_HANDLE_SUBSCRIBE', $params, 'subscription_handle_post'); |
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$target = $params['target']; |
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$style = $params['style']; |
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$action = $params['action']; |
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// Perform action. |
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$sub = new \Subscription(); |
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if($action == 'unsubscribe') { |
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$ok = $sub->remove($target, $INPUT->server->str('REMOTE_USER'), $style); |
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} else { |
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$ok = $sub->add($target, $INPUT->server->str('REMOTE_USER'), $style); |
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} |
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if($ok) { |
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msg( |
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sprintf( |
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$lang["subscr_{$action}_success"], hsc($INFO['userinfo']['name']), |
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prettyprint_id($target) |
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), 1 |
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); |
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act_redirect($ID, $this->actionname); |
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} else { |
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throw new \Exception( |
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sprintf( |
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$lang["subscr_{$action}_error"], |
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hsc($INFO['userinfo']['name']), |
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prettyprint_id($target) |
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) |
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); |
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} |
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// Assure that we have valid data if act_redirect somehow fails. should never be reached |
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$INFO['subscribed'] = $sub->user_subscription(); |
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return 'show'; |
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} |
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} |
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.