/**
* Purge any link mappings that point back to the same page.
*
* @parameter <{PAGE_URL}> string
* @parameter <{PAGE_ID}> integer
*/
public function regulateMappings($pageLink, $pageID)
{
LinkMapping::get()->filter(array('MappedLink' => MisdirectionService::unify_URL(Director::makeRelative($pageLink)), 'RedirectType' => 'Page', 'RedirectPageID' => $pageID))->removeAll();
}
/**
* Retrieve the redirection URL for display purposes.
*
* @return string
*/
public function getLinkSummary()
{
return ($link = $this->getLink()) ? MisdirectionService::unify_URL($link) : '-';
}
/**
* Retrieve the redirection hostname.
*
* @return string
*/
public function getLinkHost()
{
if ($this->RedirectType === 'Page') {
// Determine the home page URL when appropriate.
if (($page = $this->getRedirectPage()) && ($link = $page->Link() === Director::baseURL() ? Controller::join_links(Director::baseURL(), 'home/') : $page->Link())) {
// Determine whether a redirection hostname exists.
return MisdirectionService::is_external_URL($link) ? parse_url($link, PHP_URL_HOST) : null;
}
} else {
// Apply the regular expression pattern replacement.
if ($link = $this->LinkType === 'Regular Expression' && $this->matchedURL ? preg_replace("%{$this->MappedLink}%i", $this->RedirectLink, $this->matchedURL) : $this->RedirectLink) {
// Determine whether a redirection hostname exists.
return MisdirectionService::is_external_URL($link) ? parse_url($link, PHP_URL_HOST) : null;
}
}
// No redirection hostname has been found.
return null;
}
