sending notification when new items arrive with send grid

backend/utils/arethereanynewitems.js

@@ -0,0 +1,8 @@
+const convertToDate = require("./convertToDate");
+function areThereAnyNewItems(lastItemDate, controlDate) {
+  if (!lastItemDate) {
+    return true;
+  }
+  return new Date(controlDate) < convertToDate(lastItemDate);
+}
+module.exports = areThereAnyNewItems;