Issue 3857: There is the possibility of a bad handling of dislikes

[friendica.git] / include / photos.php

diff --git a/include/photos.php b/include/photos.php
index 93a565b5116ecd2b8c0a55060e675858843548b4..49ba83fa3c77faefdb47625428abc107530d1137 100644 (file)
--- 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;
+}