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