Pimcore\Model\Document::getFullPath PHP Method

    public function getFullPath()
    {
        // check if this document is also the site root, if so return /
        try {
            if (\Pimcore\Tool::isFrontend() && Site::isSiteRequest()) {
                $site = Site::getCurrentSite();
                if ($site instanceof Site) {
                    if ($site->getRootDocument()->getId() == $this->getId()) {
                        $link = $this->prepareFrontendPath("/");
                        return $link;
                    }
                }
            }
        } catch (\Exception $e) {
            Logger::error($e);
        }
        // @TODO please forgive me, this is the dirtiest hack I've ever made :(
        // if you got confused by this functionality drop me a line and I'll buy you some beers :)
        // this is for the case that a link points to a document outside of the current site
        // in this case we look for a hardlink in the current site which points to the current document
        // why this could happen: we have 2 sites, in one site there's a hardlink to the other site and on a page inside
        // the hardlink there are snippets embedded and this snippets have links pointing to a document which is also
        // inside the hardlink scope, but this is an ID link, so we cannot rewrite the link the usual way because in the
        // snippet / link we don't know anymore that whe a inside a hardlink wrapped document
        if (\Pimcore\Tool::isFrontend() && Site::isSiteRequest() && !FrontendTool::isDocumentInCurrentSite($this)) {
            $documentService = new Document\Service();
            $parent = $this;
            while ($parent) {
                if ($hardlinkId = $documentService->getDocumentIdFromHardlinkInSameSite(Site::getCurrentSite(), $parent)) {
                    $hardlink = Document::getById($hardlinkId);
                    if (FrontendTool::isDocumentInCurrentSite($hardlink)) {
                        $siteRootPath = Site::getCurrentSite()->getRootPath();
                        $siteRootPath = preg_quote($siteRootPath);
                        $hardlinkPath = preg_replace("@^" . $siteRootPath . "@", "", $hardlink->getRealFullPath());
                        $link = preg_replace("@^" . preg_quote($parent->getRealFullPath()) . "@", $hardlinkPath, $this->getRealFullPath());
                        $link = $this->prepareFrontendPath($link);
                        return $link;
                    }
                }
                $parent = $parent->getParent();
            }
            $config = \Pimcore\Config::getSystemConfig();
            $front = \Zend_Controller_Front::getInstance();
            $scheme = ($front->getRequest()->isSecure() ? "https" : "http") . "://";
            if ($site = FrontendTool::getSiteForDocument($this)) {
                if ($site->getMainDomain()) {
                    // check if current document is the root of the different site, if so, preg_replace below doesn't work, so just return /
                    if ($site->getRootDocument()->getId() == $this->getId()) {
                        $link = $scheme . $site->getMainDomain() . "/";
                        $link = $this->prepareFrontendPath($link);
                        return $link;
                    }
                    $link = $scheme . $site->getMainDomain() . preg_replace("@^" . $site->getRootPath() . "/@", "/", $this->getRealFullPath());
                    $link = $this->prepareFrontendPath($link);
                    return $link;
                }
            }
            if ($config->general->domain) {
                $link = $scheme . $config->general->domain . $this->getRealFullPath();
                $link = $this->prepareFrontendPath($link);
                return $link;
            }
        }
        $path = $this->getPath() . $this->getKey();
        $path = $this->prepareFrontendPath($path);
        return $path;
    }

 /**
  * @param Model\Document $document
  * @throws \Zend_Json_Exception
  */
 protected function addPropertiesToDocument(Model\Document $document)
 {
     // properties
     if ($this->getParam("properties")) {
         $properties = array();
         // assign inherited properties
         foreach ($document->getProperties() as $p) {
             if ($p->isInherited()) {
                 $properties[$p->getName()] = $p;
             }
         }
         $propertiesData = \Zend_Json::decode($this->getParam("properties"));
         if (is_array($propertiesData)) {
             foreach ($propertiesData as $propertyName => $propertyData) {
                 $value = $propertyData["data"];
                 try {
                     $property = new Property();
                     $property->setType($propertyData["type"]);
                     $property->setName($propertyName);
                     $property->setCtype("document");
                     $property->setDataFromEditmode($value);
                     $property->setInheritable($propertyData["inheritable"]);
                     $properties[$propertyName] = $property;
                 } catch (\Exception $e) {
                     \Logger::warning("Can't add " . $propertyName . " to document " . $document->getFullPath());
                 }
             }
         }
         if ($document->isAllowed("properties")) {
             $document->setProperties($properties);
         }
     }
     // force loading of properties
     $document->getProperties();
 }