X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fphotos.php;h=49ba83fa3c77faefdb47625428abc107530d1137;hb=3b4f72da939fa9f5155311799044414220d5d039;hp=93a565b5116ecd2b8c0a55060e675858843548b4;hpb=c775d6885bd464da8f998585fa1077d9e75701d5;p=friendica.git

diff --git a/include/photos.php b/include/photos.php
index 93a565b511..49ba83fa3c 100644
--- a/include/photos.php
+++ b/include/photos.php
@@ -4,12 +4,15 @@
  * @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;
+	$flip = ($hemi == 'W' || $hemi == 'S') ? -1 : 1;
 
 	return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600)));
 }
@@ -25,3 +28,45 @@ function gps2Num($coordPart) {
 
 	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) || $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 = q("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`, ANY_VALUE(`created`) AS `created`
+				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 = q("SELECT DISTINCT(`album`), '' AS `total`
+				FROM `photo` USE INDEX (`uid_album_scale_created`)
+				WHERE `uid` = %d  AND `album` != '%s' AND `album` != '%s' $sql_extra",
+				intval($uid),
+				dbesc('Contact Photos'),
+				dbesc(t('Contact Photos'))
+			);
+		}
+		Cache::set($key, $albums, CACHE_DAY);
+	}
+	return $albums;
+}