bug 2825: add maintenance action to clean the database and avoid integrity errors

git-svn-id: http://piwigo.org/svn/trunk@20544 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions.php

@@ -484,6 +484,34 @@ SELECT DISTINCT id
   }
 }
 
+/**
+ * check and repair images integrity
+ *
+ * TODO see delete_elements function to check all linked tables
+ */
+function images_integrity()
+{
+  $query = '
+SELECT
+    image_id
+  FROM '.IMAGE_CATEGORY_TABLE.'
+    LEFT JOIN '.IMAGES_TABLE.' ON id = image_id
+  WHERE id IS NULL
+;';
+  $result = pwg_query($query);
+  $orphan_image_ids = array_from_query($query, 'image_id');
+
+  if (count($orphan_image_ids) > 0)
+  {
+    $query = '
+DELETE
+  FROM '.IMAGE_CATEGORY_TABLE.'
+  WHERE image_id IN ('.implode(',', $orphan_image_ids).')
+;';
+    pwg_query($query);
+  }
+}
+
 /**
  * returns an array containing sub-directories which can be a category,
  * recursive by default

admin/maintenance.php

@@ -62,6 +62,7 @@ switch ($action)
   }
   case 'categories' :
   {
+    images_integrity();
     update_uppercats();
     update_category('all');
     update_global_rank();
@@ -70,9 +71,11 @@ switch ($action)
   }
   case 'images' :
   {
+    images_integrity();
     update_path();
 		include_once(PHPWG_ROOT_PATH.'include/functions_rate.inc.php');
     update_rating_score();
+    invalidate_user_cache();
     break;
   }
   case 'delete_orphan_tags' :
@@ -80,6 +83,11 @@ switch ($action)
     delete_orphan_tags();
     break;
   }
+  case 'user_cache' :
+  {
+    invalidate_user_cache();
+    break;
+  }
   case 'history_detail' :
   {
     $query = '
@@ -171,6 +179,7 @@ $template->assign(
     'U_MAINT_CATEGORIES' => sprintf($url_format, 'categories'),
     'U_MAINT_IMAGES' => sprintf($url_format, 'images'),
     'U_MAINT_ORPHAN_TAGS' => sprintf($url_format, 'delete_orphan_tags'),
+    'U_MAINT_USER_CACHE' => sprintf($url_format, 'user_cache'),
     'U_MAINT_HISTORY_DETAIL' => sprintf($url_format, 'history_detail'),
     'U_MAINT_HISTORY_SUMMARY' => sprintf($url_format, 'history_summary'),
     'U_MAINT_SESSIONS' => sprintf($url_format, 'sessions'),

admin/themes/default/template/maintenance.tpl

@@ -27,6 +27,7 @@
 </ul>
 
 <ul>
+	<li><a href="{$U_MAINT_USER_CACHE}">{'Purge user cache'|@translate}</a></li>
 	<li><a href="{$U_MAINT_ORPHAN_TAGS}">{'Delete orphan tags'|@translate}</a></li>
 	<li><a href="{$U_MAINT_HISTORY_DETAIL}" onclick="return confirm('{'Purge history detail'|@translate|@escape:'javascript'}');">{'Purge history detail'|@translate}</a></li>
 	<li><a href="{$U_MAINT_HISTORY_SUMMARY}" onclick="return confirm('{'Purge history summary'|@translate|@escape:'javascript'}');">{'Purge history summary'|@translate}</a></li>

language/en_UK/admin.lang.php

@@ -947,4 +947,5 @@ $lang['Your configuration settings are saved'] = 'Your configuration settings ar
 $lang['Zoom'] = 'Zoom';
 $lang['[%s] Visit album %s'] = "[%s] Visit album %s";
 $lang['[NBM] Problems or questions'] = "[NBM] Problems or questions";
+$lang['Purge user cache'] = 'Purge user cache';
 ?>

language/fr_FR/admin.lang.php

@@ -949,5 +949,5 @@ $lang['This group will be set to default'] = "Ce groupe deviendra par défaut";
 $lang['This group will be unset to default'] = "Ce groupe ne sera plus par défaut";
 $lang['No members to manage'] = "Aucun membre à gérer";
 $lang['Rename'] = 'Renommer';
-
+$lang['Purge user cache'] = 'Purger le cache utilisateur';
 ?>