show daily sum in calendar week and day view (#2519)

assets/js/plugins/KimaiDateUtils.js

@@ -26,4 +26,39 @@ export default class KimaiDateUtils extends KimaiPlugin {
         return moment.localeData().months();
     }
 
+    formatDuration(since) {
+        const duration = moment.duration(moment(new Date()).diff(moment(since)));
+
+        return this.formatMomentDuration(duration);
+    }
+
+    formatSeconds(seconds) {
+        const duration = moment.duration('PT' + seconds + 'S');
+
+        return this.formatMomentDuration(duration);
+    }
+
+    formatMomentDuration(duration) {
+        const hours = parseInt(duration.asHours()).toString();
+        const minutes = duration.minutes();
+        const seconds = duration.seconds();
+
+        return this.formatTime(hours, minutes, seconds);
+    }
+
+    formatTime(hours, minutes, seconds) {
+        if (hours < 0 || minutes < 0 || seconds < 0) {
+            return '?';
+        }
+
+        // special case for hours, as they can overflow the 24h barrier - Kimai does not support days as duration unit
+        if (hours.length === 1) {
+            hours = '0' + hours;
+        }
+
+        const format = this.getConfiguration('formatDuration');
+
+        return format.replace('%h', hours).replace('%m', ('0'+minutes).substr(-2)).replace('%s', ('0'+seconds).substr(-2));
+    }
+
 }