Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file include/photos.php
* @brief Functions related to photo handling.
*/
use \Friendica\Core\Config;
use \Friendica\Core\PConfig;
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) {
if (!Config::get('system', 'no_count', false)) {
/// @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`
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'))
);
} else {
// This query doesn't do the count and is much faster
$albums = qu("SELECT DISTINCT(`album`), '' AS `total`
FROM `photo`
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;
}