diff options
Diffstat (limited to 'modules/tag/models')
| -rw-r--r-- | modules/tag/models/tag.php | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/modules/tag/models/tag.php b/modules/tag/models/tag.php index e910a8ee..d9488e1c 100644 --- a/modules/tag/models/tag.php +++ b/modules/tag/models/tag.php @@ -54,4 +54,52 @@ class Tag_Model extends ORM { } return $model->count_all(); } + + /** + * Overload ORM::save() to trigger an item_related_update event for all items that are related + * to this tag. Since items can be added or removed as part of the save, we need to trigger an + * event for the union of all related items before and after the save. + */ + public function save() { + $db = Database::instance(); + $related_item_ids = array(); + foreach ($db->getwhere("items_tags", array("tag_id" => $this->id)) as $row) { + $related_item_ids[$row->item_id] = 1; + } + + $result = parent::save(); + + foreach ($db->getwhere("items_tags", array("tag_id" => $this->id)) as $row) { + $related_item_ids[$row->item_id] = 1; + } + + if ($related_item_ids) { + foreach (ORM::factory("item")->in("id", array_keys($related_item_ids))->find_all() as $item) { + module::event("item_related_update", $item); + } + } + + return $result; + } + + /** + * Overload ORM::delete() to trigger an item_related_update event for all items that are + * related to this tag. + */ + public function delete() { + $related_item_ids = array(); + $db = Database::Instance(); + foreach ($db->getwhere("items_tags", array("tag_id" => $this->id)) as $row) { + $related_item_ids[$row->item_id] = 1; + } + + $result = parent::delete(); + + if ($related_item_ids) { + foreach (ORM::factory("item")->in("id", array_keys($related_item_ids))->find_all() as $item) { + module::event("item_related_update", $item); + } + } + return $result; + } }
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