From 153e7d9c3787c902f43a277064781fcd74d86c47 Mon Sep 17 00:00:00 2001
From: Sacha Greif <sacha357@gmail.com>
Date: Wed, 12 Aug 2015 18:36:11 +0900
Subject: [PATCH] when deleting a category, $unset all its children's parentId

---
 packages/telescope-tags/lib/client/templates/category_item.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/telescope-tags/lib/client/templates/category_item.js b/packages/telescope-tags/lib/client/templates/category_item.js
index ec822a109..ce3c16212 100644
--- a/packages/telescope-tags/lib/client/templates/category_item.js
+++ b/packages/telescope-tags/lib/client/templates/category_item.js
@@ -10,6 +10,9 @@ Meteor.startup(function () {
       e.preventDefault();
       if (confirm("Delete category?")) {
         Categories.remove(instance.data._id);
+        Categories.find({parentId: instance.data._id}).forEach(function (category) {
+          Categories.update(category._id, {$unset: {parentId: ""}})
+        });
       }
     }
   });