From 7e96be1f547aa2c95ef39c9afc2eb5a9d1133919 Mon Sep 17 00:00:00 2001
From: hbrain <hbrain@piagent.local>
Date: Mon, 25 May 2026 19:04:35 +0200
Subject: [PATCH] Sort by precise embedded video date

---
 index.php | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/index.php b/index.php
index 5fc48d1..763a7e2 100644
--- a/index.php
+++ b/index.php
@@ -6,10 +6,11 @@ function h($s){ return htmlspecialchars((string)$s, ENT_QUOTES, "UTF-8"); }
 function nice_title($s){ return trim(ucwords(str_replace(['_','-'], ' ', $s))); }
 function video_metadata($path){
     $base = pathinfo($path, PATHINFO_FILENAME);
-    $meta = ['title' => nice_title($base), 'date' => date('Y-m-d', filemtime($path)), 'location' => '', 'description' => ''];
+    $meta = ['title' => nice_title($base), 'date' => date('Y-m-d', filemtime($path)), 'sort_date' => date('Y-m-d', filemtime($path)), 'location' => '', 'description' => ''];
 
     if (preg_match('/^(\d{4})(\d{2})(\d{2})[_-](.+)$/', $base, $m)) {
         $meta['date'] = "$m[1]-$m[2]-$m[3]";
+        $meta['sort_date'] = "$m[1]-$m[2]-$m[3]";
         $meta['title'] = nice_title($m[4]);
     }
 
@@ -33,8 +34,10 @@ function video_metadata($path){
         if (!empty($lower['title'])) $meta['title'] = $lower['title'];
         if (!empty($lower['date'])) {
             $meta['date'] = $lower['date'];
-        } elseif (!empty($lower['creation_time'])) {
-            $meta['date'] = substr($lower['creation_time'], 0, 10);
+        }
+        if (!empty($lower['creation_time'])) {
+            $meta['sort_date'] = substr($lower['creation_time'], 0, 10);
+            if (empty($lower['date'])) $meta['date'] = $meta['sort_date'];
         }
         foreach (['location','place','location-eng','com.apple.quicktime.location.name','com.apple.quicktime.location.iso6709'] as $k) {
             if (!empty($lower[$k])) { $meta['location'] = $lower[$k]; break; }
@@ -48,7 +51,7 @@ function video_metadata($path){
 function load_video_cache($videos){
     $cacheFile = __DIR__ . '/cache/videos.json';
     $cache = is_file($cacheFile) ? json_decode((string)file_get_contents($cacheFile), true) : [];
-    if (!is_array($cache)) $cache = [];
+    if (!is_array($cache) || ($cache['version'] ?? 0) !== 2) $cache = [];
     $items = $cache['items'] ?? [];
     $newItems = [];
     $changed = false;
@@ -67,7 +70,7 @@ function load_video_cache($videos){
 
     if (array_diff(array_keys($items), array_keys($newItems))) $changed = true;
     if ($changed) {
-        file_put_contents($cacheFile, json_encode(['generated_at' => date('c'), 'items' => $newItems], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT), LOCK_EX);
+        file_put_contents($cacheFile, json_encode(['version' => 2, 'generated_at' => date('c'), 'items' => $newItems], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT), LOCK_EX);
     }
     return $newItems;
 }
@@ -76,8 +79,8 @@ $videoCache = load_video_cache($videos);
 usort($videos, function($a, $b) use ($videoCache) {
     $am = $videoCache[basename($a)] ?? [];
     $bm = $videoCache[basename($b)] ?? [];
-    $ad = strtotime($am['metadata']['date'] ?? '') ?: filemtime($a);
-    $bd = strtotime($bm['metadata']['date'] ?? '') ?: filemtime($b);
+    $ad = strtotime($am['metadata']['sort_date'] ?? $am['metadata']['date'] ?? '') ?: filemtime($a);
+    $bd = strtotime($bm['metadata']['sort_date'] ?? $bm['metadata']['date'] ?? '') ?: filemtime($b);
     return $bd <=> $ad;
 });
 $page=max(1,(int)($_GET['page']??1)); $per=$config['items_per_page']; $total=count($videos); $pages=max(1,(int)ceil($total/$per)); $page=min($page,$pages); $slice=array_slice($videos,($page-1)*$per,$per);