/**
* Validate tags when saving a discussion.
*/
public function DiscussionModel_BeforeSaveDiscussion_Handler($Sender, $Args)
{
$FormPostValues = GetValue('FormPostValues', $Args, array());
$TagsString = trim(strtolower(GetValue('Tags', $FormPostValues, '')));
$NumTagsMax = C('Plugin.Tagging.Max', 5);
// Tags can only contain unicode and the following ASCII: a-z 0-9 + # _ .
if (StringIsNullOrEmpty($TagsString) && C('Plugins.Tagging.Required')) {
$Sender->Validation->AddValidationResult('Tags', 'You must specify at least one tag.');
} else {
$Tags = TagModel::SplitTags($TagsString);
if (!TagModel::ValidateTags($Tags)) {
$Sender->Validation->AddValidationResult('Tags', '@' . T('ValidateTag', 'Tags cannot contain commas.'));
} elseif (count($Tags) > $NumTagsMax) {
$Sender->Validation->AddValidationResult('Tags', '@' . sprintf(T('You can only specify up to %s tags.'), $NumTagsMax));
} else {
}
}
}
