X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Futils%2Fdatetime.js;h=5addd255554a3fd365aaed01e0c254422a2afdcd;hb=dac395887d96e2d642b209c6db6aaacc3ffacb34;hp=3075bffc91aac9151f65e6ba18bf8e6f879fea23;hpb=8d61fc4ab7373b4a576f3f9108cdf7768ae27096;p=vchess.git

diff --git a/client/src/utils/datetime.js b/client/src/utils/datetime.js
index 3075bffc..5addd255 100644
--- a/client/src/utils/datetime.js
+++ b/client/src/utils/datetime.js
@@ -1,15 +1,47 @@
 function zeroPad(x)
 {
-	return (x<10 ? "0" : "") + x;
+  return (x<10 ? "0" : "") + x;
 }
 
 export function getDate(d)
 {
-	return d.getFullYear() + '-' + zeroPad(d.getMonth()+1) + '-' + zeroPad(d.getDate());
+  return d.getFullYear() + '-' + zeroPad(d.getMonth()+1) + '-' + zeroPad(d.getDate());
 }
 
 export function getTime(d)
 {
-	return zeroPad(d.getHours()) + ":" + zeroPad(d.getMinutes()) + ":" +
-		zeroPad(d.getSeconds());
+  return zeroPad(d.getHours()) + ":" + zeroPad(d.getMinutes()) + ":" +
+    zeroPad(d.getSeconds());
+}
+
+function padDigits(x)
+{
+  if (x < 10)
+    return "0" + x;
+  return x;
+}
+
+export function ppt(t)
+{
+  // "Pretty print" an amount of time given in seconds
+  const dayInSeconds = 60 * 60 * 24;
+  const hourInSeconds = 60 * 60;
+  const days = Math.floor(t / dayInSeconds);
+  const hours = Math.floor(t%dayInSeconds / hourInSeconds);
+  const minutes = Math.floor(t%hourInSeconds / 60);
+  const seconds = Math.floor(t % 60);
+  let res = "";
+  if (days > 0)
+    res += days + "d ";
+  if (days <= 3 && hours > 0) //NOTE: 3 is arbitrary
+    res += hours + "h ";
+  if (days == 0 && minutes > 0)
+    res += (hours > 0 ? padDigits(minutes) + "m " : minutes + ":");
+  if (days == 0 && hours == 0)
+  {
+    res += padDigits(seconds);
+    if (minutes == 0)
+      res += "s"; //seconds indicator, since this is the only number printed
+  }
+  return res.trim(); //remove potential last space
 }