<?php /** * @file include/photos.php * @brief Functions related to photo handling. */ function getGps($exifCoord, $hemi) { $degrees = count($exifCoord) > 0 ? gps2Num($exifCoord[0]) : 0; $minutes = count($exifCoord) > 1 ? gps2Num($exifCoord[1]) : 0; $seconds = count($exifCoord) > 2 ? gps2Num($exifCoord[2]) : 0; $flip = ($hemi == 'W' or $hemi == 'S') ? -1 : 1; return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600))); } function gps2Num($coordPart) { $parts = explode('/', $coordPart); if (count($parts) <= 0) return 0; if (count($parts) == 1) return $parts[0]; return floatval($parts[0]) / floatval($parts[1]); } /** * @brief Fetch the photo albums that are available for a viewer * * The query in this function is cost intensive, so it is cached. * * @param int $uid User id of the photos * @param bool $update Update the cache * * @return array Returns array of the photo albums */ function photo_albums($uid, $update = false) { $sql_extra = permissions_sql($uid); $key = "photo_albums:".$uid.":".local_user().":".remote_user(); $albums = Cache::get($key); if (is_null($albums) OR $update) { /// @todo This query needs to be renewed. It is really slow // At this time we just store the data in the cache $albums = qu("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album` FROM `photo` USE INDEX (`uid_album_created`) WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra GROUP BY `album` ORDER BY `created` DESC", intval($uid), dbesc('Contact Photos'), dbesc(t('Contact Photos')) ); Cache::set($key, $albums, CACHE_DAY); } return $albums; }