badmanners/shimmie2
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logical mass tag edit, works correctly, even in the advanced cases

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This commit is contained in:
Shish 2009-01-24 03:33:43 -08:00
parent 394cff1909
commit cfd1b72b86
1 changed files with 41 additions and 28 deletions
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69
ext/tag_edit/main.php
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@ -28,13 +28,13 @@ class TagSetEvent extends Event {
public function TagSetEvent(Image $image, $tags) {
$this->image = $image;
$this->tags = tag_explode($tags);
$this->tags = Tag::explode($tags);
}
}
class TagEdit implements Extension {
var $theme;
// event handling {{{
public function receive_event(Event $event) {
if(is_null($this->theme)) $this->theme = get_theme_object($this);
@ -46,15 +46,9 @@ class TagEdit implements Extension {
$search = $_POST['search'];
$replace = $_POST['replace'];
global $page;
if(strpos($search, " ") === false && strpos($replace, " ") === false) {
$this->mass_tag_edit($search, $replace);
$page->set_mode("redirect");
$page->set_redirect(make_link("admin"));
}
else {
$this->theme->display_error($page, "Search & Replace Error",
"Bulk replace can only do single tags -- don't use spaces!");
}
$this->mass_tag_edit($search, $replace);
$page->set_mode("redirect");
$page->set_redirect(make_link("admin"));
}
}
}
@ -110,8 +104,7 @@ class TagEdit implements Extension {
$event->panel->add_block($sb);
}
}
// }}}
// do things {{{
private function can_tag() {
global $config, $user;
return $config->get_bool("tag_edit_anon") || !$user->is_anonymous();
@ -124,23 +117,43 @@ class TagEdit implements Extension {
private function mass_tag_edit($search, $replace) {
global $database;
$search_id = $database->db->GetOne("SELECT id FROM tags WHERE tag=?", array($search));
$replace_id = $database->db->GetOne("SELECT id FROM tags WHERE tag=?", array($replace));
if($search_id && $replace_id) {
// FIXME: what if the (image_id,tag_id) pair already exists?
$database->Execute("UPDATE IGNORE image_tags SET tag_id=? WHERE tag_id=?", Array($replace_id, $search_id));
$database->Execute("DELETE FROM image_tags WHERE tag_id=?", Array($search_id));
$database->Execute("
UPDATE tags
SET count=(SELECT COUNT(image_id) FROM image_tags WHERE tag_id=tags.id GROUP BY tag_id)
WHERE id=? OR id=?
", array($search_id, $replace_id));
}
else if($search_id) {
$database->Execute("UPDATE tags SET tag=? WHERE tag=?", Array($replace, $search));
global $config;
$search_set = Tag::explode($search);
$replace_set = Tag::explode($replace);
$last_id = -1;
while(true) {
// make sure we don't look at the same images twice.
// search returns high-ids first, so we want to look
// at images with lower IDs than the previous.
$search_forward = $search_set;
if($last_id >= 0) $search_forward[] = "id<$last_id";
$images = Image::find_images($config, $database, 0, 100, $search_forward);
if(count($images) == 0) break;
foreach($images as $image) {
// remove the search'ed tags
$before = $image->get_tag_array();
$after = array();
foreach($before as $tag) {
if(!in_array($tag, $search_set)) {
$after[] = $tag;
}
}
// add the replace'd tags
foreach($replace_set as $tag) {
$after[] = $tag;
}
$image->set_tags($after);
$last_id = $image->id;
}
}
}
// }}}
}
add_event_listener(new TagEdit());
?>