gpx fix: replaced creation date by hide/event date

Author: following5

okapi/services/caches/formatters/gpx/WebService.php

@@ -215,7 +215,7 @@ public static function create_gpx(OkapiRequest $request, $flags = null)
 
         # Which fields of the services/caches/geocaches method do we need?
 
-        $fields = 'code|name|location|date_created|url|type|status|size|size2|oxsize'.
+        $fields = 'code|name|location|date_hidden|url|type|status|size|size2|oxsize'.
             '|difficulty|terrain|description|hint2|rating|owner|url|internal_id'.
             '|protection_areas|short_description|trip_time|trip_distance|req_passwd|gc_code';
         if ($vars['images'] != 'none')

okapi/services/caches/formatters/gpx/gpxfile.tpl.php

@@ -51,7 +51,7 @@
             list($lat, $lon) = explode("|", $c['location']);
         ?>
         <wpt lat="<?= $lat ?>" lon="<?= $lon ?>">
-            <time><?= $c['date_created'] ?></time>
+            <time><?= $c['date_hidden'] ?></time>
             <name><?= $c['code'] ?></name>
             <desc><?= Okapi::xmlescape(isset($c['name_2']) ? $c['name_2'] : $c['name']) ?> <?= _("hidden by") ?> <?= Okapi::xmlescape($c['owner']['username']) ?> :: <?= ucfirst($c['type']) ?> Cache (<?= Okapi::float2string($c['difficulty']) ?>/<?= Okapi::float2string($c['terrain']) ?><?php if ($c['size'] !== null) { echo "/".$c['size']; } else { echo "/X"; } ?>/<?= Okapi::float2string($c['rating']) ?>)</desc>
             <url><?= $c['url'] ?></url>
@@ -271,7 +271,7 @@
                     list($lat, $lon) = explode("|", $wpt['location']);
                 ?>
                 <wpt lat="<?= $lat ?>" lon="<?= $lon ?>">
-                    <time><?= $c['date_created'] ?></time>
+                    <time><?= $c['date_hidden'] ?></time>
                     <name><?= Okapi::xmlescape($wpt['name']) ?></name>
                     <cmt><?= Okapi::xmlescape($wpt['description']) ?></cmt>
                     <desc><?= Okapi::xmlescape($wpt['type_name']) ?></desc>