private function renderExifInfo()
 {
     // exif info
     $exif_model = new photosPhotoExifModel();
     $exif = $exif_model->getByPhoto($this->photo['id']);
     return $this->renderer->getExifInfo($exif);
 }
 public function execute()
 {
     $id = waRequest::post('id', 0, waRequest::TYPE_INT);
     $in_stack = waRequest::post('in_stack', 0, waRequest::TYPE_INT);
     $hash = waRequest::post('hash', null, waRequest::TYPE_STRING_TRIM);
     $hash = urldecode($hash);
     // get photo
     $this->photo_model = new photosPhotoModel();
     $this->photo = $this->photo_model->getById($id);
     if (!$this->photo) {
         throw new waException(_w("Photo doesn't exists"), 404);
     }
     $photo_rights_model = new photosPhotoRightsModel();
     if (!$photo_rights_model->checkRights($this->photo)) {
         throw new waRightsException(_w("You don't have sufficient access rights"));
     }
     $this->photo['name_not_escaped'] = $this->photo['name'];
     $this->photo = photosPhoto::escapeFields($this->photo);
     $this->photo['upload_datetime_formatted'] = waDateTime::format('humandate', $this->photo['upload_datetime']);
     $this->photo['upload_timestamp'] = strtotime($this->photo['upload_datetime']);
     $this->photo['edit_rights'] = $photo_rights_model->checkRights($this->photo, true);
     $this->photo['private_url'] = photosPhotoModel::getPrivateUrl($this->photo);
     $this->photo['thumb'] = photosPhoto::getThumbInfo($this->photo, photosPhoto::getThumbPhotoSize());
     $this->photo['thumb_big'] = photosPhoto::getThumbInfo($this->photo, photosPhoto::getBigPhotoSize());
     $this->photo['thumb_middle'] = photosPhoto::getThumbInfo($this->photo, photosPhoto::getMiddlePhotoSize());
     $original_photo_path = photosPhoto::getOriginalPhotoPath($this->photo);
     if (wa('photos')->getConfig()->getOption('save_original') && file_exists($original_photo_path)) {
         $this->photo['original_exists'] = true;
     } else {
         $this->photo['original_exists'] = false;
     }
     $photo_tags_model = new photosPhotoTagsModel();
     $tags = $photo_tags_model->getTags($id);
     $this->photo['tags'] = $tags;
     $this->response['photo'] = $this->photo;
     // get stack if it's possible
     if (!$in_stack && ($stack = $this->photo_model->getStack($id, array('thumb' => true, 'thumb_crop' => true, 'thumb_big' => true, 'thumb_middle' => true)))) {
         $this->response['stack'] = $stack;
     }
     // get albums
     $album_photos_model = new photosAlbumPhotosModel();
     $albums = $album_photos_model->getAlbums($id, array('id', 'name'));
     $this->response['albums'] = isset($albums[$id]) ? array_values($albums[$id]) : array();
     // exif info
     $exif_model = new photosPhotoExifModel();
     $exif = $exif_model->getByPhoto($this->photo['id']);
     if (isset($exif['DateTimeOriginal'])) {
         $exif['DateTimeOriginal'] = waDateTime::format('humandatetime', $exif['DateTimeOriginal'], date_default_timezone_get());
     }
     $this->response['exif'] = $exif;
     // get author
     $contact = new waContact($this->photo['contact_id']);
     $this->response['author'] = array('id' => $contact['id'], 'name' => photosPhoto::escape($contact['name']), 'photo_url' => $contact->getPhoto(photosPhoto::AUTHOR_PHOTO_SIZE), 'backend_url' => $this->getConfig()->getBackendUrl(true) . 'contacts/#/contact/' . $contact['id']);
     // for making inline-editable widget
     $this->response['frontend_link_template'] = photosFrontendPhoto::getLink(array('url' => '%url%'));
     $hooks = array();
     $parent_id = $this->photo_model->getStackParentId($this->photo);
     $photo_id = $parent_id ? $parent_id : $id;
     /**
      * Extend photo page
      * Add extra widget(s)
      * @event backend_photo
      * @return array[string][string]string $return[%plugin_id%]['bottom'] In bottom, under photo any widget
      */
     $hooks['backend_photo'] = wa()->event('backend_photo', $photo_id);
     $this->response['hooks'] = $hooks;
     if ($hash !== null) {
         $collection = new photosCollection($hash);
         if (strstr($hash, 'rate>0') !== false) {
             $collection->orderBy('p.rate DESC, p.id');
         }
         $this->response['photo_stream'] = $this->getPhotoStream($collection);
         if ($collection->getAlbum()) {
             $this->response['album'] = $collection->getAlbum();
         }
     }
 }