added Team Presence Page

Backend/models/user.go

@@ -167,6 +167,15 @@ func (u *User) GetTeamMembers() ([]User, error) {
 	return teamMembers, nil
 }
 
+func (u *User) IsTeamLeader() bool {
+	team, err := u.GetTeamMembers()
+	if err != nil {
+		log.Println("Error getting team Members", err)
+		return false
+	}
+	return len(team) > 0
+}
+
 func (u *User) GetWeek(tsFrom time.Time) WorkWeek {
 	var bookings []WorkDay
 	weekStart := tsFrom.AddDate(0, 0, -1*int(tsFrom.Local().Weekday())-1)