feature 1289 added: easy "delete orphan tags" function. On the "tags"

administration page, a warning message is displayed if you have at least
one orphan tag + direct action to delete them.


git-svn-id: http://piwigo.org/svn/trunk@8762 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 38 insertions, 0 deletions

diff --git a/admin/tags.php b/admin/tags.php
index 412a57b14..16dea3661 100644
--- a/admin/tags.php
+++ b/admin/tags.php
@@ -138,6 +138,19 @@ DELETE
 }
 
 // +-----------------------------------------------------------------------+
+// |                           delete orphan tags                          |
+// +-----------------------------------------------------------------------+
+
+if (isset($_GET['action']) and 'delete_orphans' == $_GET['action'])
+{
+  check_pwg_token();
+  
+  delete_orphan_tags();
+  $_SESSION['page_infos'] = array(l10n('Orphan tags deleted'));
+  redirect(get_root_url().'admin.php?page=tags');
+}
+
+// +-----------------------------------------------------------------------+
 // |                               add a tag                               |
 // +-----------------------------------------------------------------------+
 
@@ -200,6 +213,31 @@ $template->assign(
   );
 
 // +-----------------------------------------------------------------------+
+// |                              orphan tags                              |
+// +-----------------------------------------------------------------------+
+
+$orphan_tags = get_orphan_tags();
+
+$orphan_tag_names = array();
+foreach ($orphan_tags as $tag)
+{
+  array_push($orphan_tag_names, $tag['name']);
+}
+
+if (count($orphan_tag_names) > 0)
+{
+  array_push(
+    $page['warnings'],
+    sprintf(
+      l10n('You have %d orphan tags: %s.').' <a href="%s">'.l10n('Delete orphan tags').'</a>',
+      count($orphan_tag_names),
+      implode(', ', $orphan_tag_names),
+      get_root_url().'admin.php?page=tags&amp;action=delete_orphans&amp;pwg_token='.get_pwg_token()
+      )
+    );
+}
+
+// +-----------------------------------------------------------------------+
 // |                             form creation                             |
 // +-----------------------------------------------------------------------+