From e476c671d13244bc9facd851804d4f2472094675 Mon Sep 17 00:00:00 2001
From: lrdossan <luis.aleixo@cern.ch>
Date: Fri, 2 Aug 2024 11:22:14 +0200
Subject: [PATCH] optimised the frontend method that handles the display of
 transition times in HH:MM format

---
 caimira/apps/calculator/static/js/co2_form.js | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/caimira/apps/calculator/static/js/co2_form.js b/caimira/apps/calculator/static/js/co2_form.js
index 91113142..3eccece9 100644
--- a/caimira/apps/calculator/static/js/co2_form.js
+++ b/caimira/apps/calculator/static/js/co2_form.js
@@ -283,17 +283,13 @@ function validateCO2Form() {
 }
 
 function displayTransitionTimesHourFormat(start, stop) {
-  var minutes_start = ((start % 1) * 60).toPrecision(2);
-  var minutes_stop = ((stop % 1) * 60).toPrecision(2);
-  return (
-    Math.floor(start) +
-    ":" +
-    (minutes_start != "0.0" ? minutes_start : "00") +
-    " - " +
-    Math.floor(stop) +
-    ":" +
-    (minutes_stop != "0.0" ? minutes_stop : "00")
-  );
+  const formatTime = (time) => {
+    const hours = Math.floor(time);
+    const minutes = Math.round((time % 1) * 60);
+    return `${hours}:${minutes.toString().padStart(2, '0')}`;
+  };
+
+  return `${formatTime(start)} - ${formatTime(stop)}`;
 }
 
 function displayFittingData(json_response) {