CHANGE: added work and pause time

Backend/models/workDay.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"fmt"
 	"time"
 )
 
@@ -12,26 +13,51 @@ type WorkDay struct {
 
 // Gets the duration someone worked that day
 func (d WorkDay) GetWorkTime() time.Duration{
-	d.workTime = 0
-	for i := 0; i < len(d.Bookings) - (1 + len(d.Bookings)%2); i += 2{
-		start := d.Bookings[i].Timestamp
-		end := d.Bookings[i+1].Timestamp
-		d.workTime += end.Sub(start)
+	var workTime, pauseTime time.Duration
+	var lastBooking Booking
+	for _, booking := range d.Bookings{
+		if booking.CheckInOut % 2 == 1 {
+			if !lastBooking.Timestamp.IsZero() {
+				pauseTime += booking.Timestamp.Sub(lastBooking.Timestamp)
+			}
+		}else {
+			workTime += booking.Timestamp.Sub(lastBooking.Timestamp)
+		}
+		lastBooking = booking
+	}
+	// checks if booking is today and has no gehen yet, so the time since last kommen booking is added to workTime
+	if(d.Day.Day() == time.Now().Day() && len(d.Bookings) % 2 == 1){
+		workTime += time.Since(lastBooking.Timestamp.Local())
 	}
 
-	// checks if booking is today and has no gehen yet, so the time since last kommen booking is added to workTime
-	if(d.Day.Equal(time.Now().Truncate(24 * time.Hour)) && len(d.Bookings) % 2 == 1){
-		d.workTime += time.Since(d.Bookings[len(d.Bookings)-1].Timestamp)
+	if workTime > 6 * time.Hour && pauseTime < 45 * time.Minute {
+		if workTime < 9 * time.Hour && pauseTime < 30 * time.Minute {
+			diff := 30 * time.Minute - pauseTime
+			workTime -= diff
+			pauseTime += diff
+		}else if pauseTime < 45 * time.Minute {
+			diff := 45 * time.Minute - pauseTime
+			workTime -= diff
+			pauseTime += diff
+		}
 	}
-	return d.workTime
+	return workTime
+}
+
+func formatDuration(d time.Duration) string{
+	hours := int(d.Hours())
+	minutes := int(d.Minutes()) % 60
+	if d.Hours() > 0 {
+			return fmt.Sprintf("%dh %dmin", hours, minutes)
+		}
+		return fmt.Sprintf("%dmin", minutes)
 }
 
 // Converts duration to string and replaces 0s with in
 //
 // -> output xhxmin
 func (d WorkDay) GetWorkTimeString() string {
-	str := d.GetWorkTime().Abs().Round(time.Minute).String()
-	str = str[:len(str)-2] + "in"
+	str := formatDuration(d.GetWorkTime().Abs().Round(time.Minute))
 	if(len(str) > 2){
 	return str
 	}