moved services into the service directory

src/public/javascripts/services/tree_utils.js

@@ -0,0 +1,40 @@
+"use strict";
+
+import utils from './utils.js';
+
+const $tree = $("#tree");
+
+function getParentProtectedStatus(node) {
+    return utils.isTopLevelNode(node) ? 0 : node.getParent().data.isProtected;
+}
+
+function getNodeByKey(key) {
+    return $tree.fancytree('getNodeByKey', key);
+}
+
+function getNoteIdFromNotePath(notePath) {
+    const path = notePath.split("/");
+
+    return path[path.length - 1];
+}
+
+function getNotePath(node) {
+    const path = [];
+
+    while (node && !utils.isRootNode(node)) {
+        if (node.data.noteId) {
+            path.push(node.data.noteId);
+        }
+
+        node = node.getParent();
+    }
+
+    return path.reverse().join("/");
+}
+
+export default {
+    getParentProtectedStatus,
+    getNodeByKey,
+    getNotePath,
+    getNoteIdFromNotePath,
+};