1 files changed, 24 insertions, 0 deletions
diff --git a/ui/imports/api/attributes_for_hover_on_data/attributes_for_hover_on_data.js b/ui/imports/api/attributes_for_hover_on_data/attributes_for_hover_on_data.js
index ec2f6cd..13c877a 100644
--- a/ui/imports/api/attributes_for_hover_on_data/attributes_for_hover_on_data.js
+++ b/ui/imports/api/attributes_for_hover_on_data/attributes_for_hover_on_data.js
@@ -7,6 +7,30 @@
 // http://www.apache.org/licenses/LICENSE-2.0                                           /
 /////////////////////////////////////////////////////////////////////////////////////////
 import { Mongo } from 'meteor/mongo';
+import * as R from 'ramda';
 
 export const NodeHoverAttr = new Mongo.Collection(
   'attributes_for_hover_on_data', { idGeneration: 'MONGO' });
+
+export const calcAttrsForItem = function (node, attrsDefsRec) {
+  if (R.isNil(attrsDefsRec)) {
+    return [];
+  }
+
+  let attrsDefs = attrsDefsRec.attributes;
+
+  return R.reduce((acc, attrDef) => {
+    if (R.is(Array, attrDef)) {
+      let value = R.path(attrDef, node);
+      if (R.isNil(value)) { return acc; }
+      let name = R.join('.', attrDef);
+      return R.append(R.assoc(name, value, {}), acc);
+
+    } else {
+      return R.ifElse(R.isNil, 
+        R.always(acc), 
+        (attrVal) => R.append(R.assoc(attrDef, attrVal, {}), acc)
+      )(R.prop(attrDef, node));
+    }
+  }, [], attrsDefs);
+};