public function addAction()
{
$data = $_POST;
$destination = HTMLPurifier::getInstance()->purify(trim($data['path']));
$form = $this->_getForm();
$valid = $form->isValid($this->getRequest()->getPost());
if (!$valid) {
$taggingSession = new Zend_Session_Namespace('tagging');
$taggingSession->post = serialize($_POST);
$this->_helper->redirector->gotoUrl($destination . '#tagging-form');
}
// Currently, tags are allowed only on items.
if (HTMLPurifier::getInstance()->purify(trim($data['record_type'])) != 'Item') {
$this->_helper->flashMessenger(__('This record does not accept tags.'), 'warning');
$this->_helper->redirector->gotoUrl($destination);
}
// Security check.
$record = get_record_by_id(HTMLPurifier::getInstance()->purify(trim($data['record_type'])), (int) HTMLPurifier::getInstance()->purify(trim($data['record_id'])));
if (!$record) {
$this->_helper->flashMessenger(__('Record does not exist.'), 'warning');
$this->_helper->redirector->gotoUrl($destination);
}
// Moderation or not.
$user = current_user();
// If the user can moderate, the proposition is automatically approved.
$moderationRoles = unserialize(get_option('tagging_moderate_roles'));
if (in_array($user->role, $moderationRoles)) {
$status = 'approved';
} else {
if (empty($user)) {
$user_id = 0;
$requireModeration = (bool) get_option('tagging_public_require_moderation');
} else {
$user_id = $user->id;
$requireModerationRoles = unserialize(get_option('tagging_require_moderation_roles'));
$requireModeration = in_array($user->role, $requireModerationRoles);
}
$status = $requireModeration ? 'proposed' : 'allowed';
}
// Default values for tagging.
$data['ip'] = $_SERVER['REMOTE_ADDR'];
$data['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
$data['status'] = $status;
// Need getValue to run the filter.
$userTagging = HTMLPurifier::getInstance()->purify(trim($form->getElement('tagging')->getValue()));
$proposedTaggingsNames = explode(get_option('tag_delimiter'), $userTagging);
// Prepare checks of existing tags.
$db = get_db();
$recordTags = $record->getTags();
$recordTaggings = $db->getTable('Tagging')->findByRecord($record);
$recordTagsNames = $this->_getTagsNames($recordTags);
$recordTaggingsNames = $this->_getTagsNames($recordTaggings);
// There is one tagging by tag to simplify management.
$tagsToAdd = array();
$approvedExistingTags = array();
foreach ($proposedTaggingsNames as $proposedTag) {
$data['name'] = $proposedTag;
$tagging = new Tagging();
$tagging->user_id = $user_id;
$tagging->setArray($data);
$sanitizedName = $tagging->sanitizeName();
// Check the quality of tag.
if (!$sanitizedName) {
continue;
}
// Check if this tagging is not a duplicate.
if (in_array($sanitizedName, $tagsToAdd)) {
continue;
}
// Check if this tagging is not already set.
if (in_array($sanitizedName, $recordTagsNames)) {
continue;
}
// Check size of a tag.
if (strlen($sanitizedName) > get_option('tagging_max_length_tag')) {
$this->_helper->flashMessenger(__('Individual tags can\'t be longer than %d characters.', get_option('tagging_max_length_tag')), 'error');
continue;
}
// Check if this tagging is not already saved.
if (in_array($sanitizedName, $recordTaggingsNames)) {
$existingTagging = $recordTaggings[array_search($sanitizedName, $recordTaggingsNames)];
// Check status.
// Normally, an existing approved tagging is already an item tag.
if ($tagging->status == 'approved') {
$existingTagging->status = 'approved';
try {
$existingTagging->save();
} catch (Exception $e) {
_log($e->getMessage());
}
$approvedExistingTags[] = $sanitizedName;
}
// In all other cases (already approved or rejected), the
// old tagging is kept in place of the new one.
continue;
}
$tagsToAdd[] = $sanitizedName;
// Taggings are automatically added to item if they are appoved.
try {
$tagging->save();
} catch (Exception $e) {
_log($e->getMessage());
}
}
// Information for user.
if (count($approvedExistingTags)) {
$this->_helper->flashMessenger(__('Your tags "%s" have been approved.', implode(', ', $approvedExistingTags)), 'success');
}
if (count($tagsToAdd) == 0 && count($approvedExistingTags) == 0) {
$this->_helper->flashMessenger(__('This tag has already been submitted "%s" or it is not correctly formatted.', $userTagging), 'warning');
} else {
if ($requireModeration) {
$this->_helper->flashMessenger(__('Your tag "%s" is awaiting approval', $userTagging), 'success');
} else {
if (count($tagsToAdd) == 0) {
// In that case, this is approved existing tags.
} elseif (count($tagsToAdd) == 1) {
$this->_helper->flashMessenger(__('Your tag "%s" has been added', implode(', ', $tagsToAdd)), 'success');
} else {
$this->_helper->flashMessenger(__('Your tags "%s" have been added', implode(', ', $tagsToAdd)), 'success');
}
}
}
$this->_helper->redirector->gotoUrl($destination);
}
