CHANGE: finalized user auth + added booking edit view

Backend/models/workDay.go

@@ -1,31 +1,34 @@
 package models
 
-import "time"
+import (
+	"time"
+)
 
 type WorkDay struct {
 	Day time.Time
-	workTime time.Duration
 	Bookings []Booking
+	workTime time.Duration
 }
 
+// Gets the duration someone worked that day
 func (d WorkDay) GetWorkTime() time.Duration{
-	if(d.workTime > 0) {
-		return d.workTime
+	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 lastCame Booking
-	for _, booking := range d.Bookings{
-		if(booking.CheckInOut == 1){//kommen
-			lastCame = booking
-		}else{
-			d.workTime = d.workTime + booking.Timestamp.Sub(lastCame.Timestamp)
-		}
-	}
-	if(time.Since(d.Day) < 24 * time.Hour && len(d.Bookings) % 2 == 1){
-		d.workTime += time.Since(lastCame.Timestamp)
+
+	// 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)
 	}
 	return d.workTime
 }
 
+// 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"
@@ -35,10 +38,12 @@ func (d WorkDay) GetWorkTimeString() string {
 	return ""
 }
 
+// returns bool wheter the workday was ended with an automatic logout
 func (d WorkDay) RequiresAction() bool {
 	return d.Bookings[len(d.Bookings)-1].CheckInOut == 255
 }
 
+// returns a integer percentage of how much day has been worked of
 func (d WorkDay) GetWorkDayProgress() uint8 {
 	defaultWorkTime, _ := time.ParseDuration("7h42m")
 	progress := (d.GetWorkTime().Seconds()/defaultWorkTime.Seconds())*100