await on hydrate&filter

src/index.js

@@ -242,17 +242,19 @@ function reduceMonthFunction(acc, x) {
   return acc;
 }
 
-async function storeData(data, doctype, keys) {
+/**
+ * Save data in the right doctype db and prevent duplicated keys
+ */
+async function storeData(data, doctype, filterKeys) {
   log("debug", "Store into " + doctype);
-  log("debug", "Store into keys : " + keys);
+  log("debug", "Store into keys : " + filterKeys);
   data.map(v => {
     log("info", "Saving data " + v.load + " for " + v.day + "/" + v.month + "/" + v.year);
   });
-  return hydrateAndFilter(data, doctype, {
-    keys: keys
-  }).then(filteredDocuments => {
-    addData(filteredDocuments, doctype);
-  });
+  const filteredDocuments = await hydrateAndFilter(data, doctype, {
+    keys: filterKeys
+  })
+  return await addData(filteredDocuments, doctype)
 }
 
 /**