1.0.0 release snapshot

backend/src/utils/serverTime.js

@@ -0,0 +1,23 @@
+function padNumber(value, length = 2) {
+  return String(value).padStart(length, '0');
+}
+
+function formatTimezoneOffset(offsetMinutes) {
+  const sign = offsetMinutes >= 0 ? '+' : '-';
+  const absoluteMinutes = Math.abs(offsetMinutes);
+  const hours = Math.floor(absoluteMinutes / 60);
+  const minutes = absoluteMinutes % 60;
+  return `${sign}${padNumber(hours)}:${padNumber(minutes)}`;
+}
+
+function getServerTimestamp(input = new Date()) {
+  const date = input instanceof Date ? input : new Date(input);
+
+  return `${date.getFullYear()}-${padNumber(date.getMonth() + 1)}-${padNumber(date.getDate())}`
+    + `T${padNumber(date.getHours())}:${padNumber(date.getMinutes())}:${padNumber(date.getSeconds())}`
+    + `.${padNumber(date.getMilliseconds(), 3)}${formatTimezoneOffset(-date.getTimezoneOffset())}`;
+}
+
+module.exports = {
+  getServerTimestamp
+};