func (s *Session) Refund(lastCC *engine.CallCost, hangupTime time.Time) error {
end := lastCC.Timespans[len(lastCC.Timespans)-1].TimeEnd
refundDuration := end.Sub(hangupTime)
//engine.Logger.Debug(fmt.Sprintf("HANGUPTIME: %s REFUNDDURATION: %s", hangupTime.String(), refundDuration.String()))
var refundIncrements engine.Increments
for i := len(lastCC.Timespans) - 1; i >= 0; i-- {
ts := lastCC.Timespans[i]
tsDuration := ts.GetDuration()
if refundDuration <= tsDuration {
lastRefundedIncrementIndex := -1
for j := len(ts.Increments) - 1; j >= 0; j-- {
increment := ts.Increments[j]
if increment.Duration <= refundDuration {
refundIncrements = append(refundIncrements, increment)
refundDuration -= increment.Duration
lastRefundedIncrementIndex = j
} else {
break //increment duration is larger, cannot refund increment
}
}
if lastRefundedIncrementIndex == 0 {
lastCC.Timespans[i] = nil
lastCC.Timespans = lastCC.Timespans[:i]
} else {
ts.SplitByIncrement(lastRefundedIncrementIndex)
}
break // do not go to other timespans
} else {
refundIncrements = append(refundIncrements, ts.Increments...)
// remove the timespan entirely
lastCC.Timespans[i] = nil
lastCC.Timespans = lastCC.Timespans[:i]
// continue to the next timespan with what is left to refund
refundDuration -= tsDuration
}
}
// show only what was actualy refunded (stopped in timespan)
// engine.Logger.Info(fmt.Sprintf("Refund duration: %v", initialRefundDuration-refundDuration))
if len(refundIncrements) > 0 {
cd := &engine.CallDescriptor{
Direction: lastCC.Direction,
Tenant: lastCC.Tenant,
Category: lastCC.Category,
Subject: lastCC.Subject,
Account: lastCC.Account,
Destination: lastCC.Destination,
Increments: refundIncrements,
}
var response float64
err := s.sessionManager.Rater().RefundIncrements(cd, &response)
if err != nil {
return err
}
}
//engine.Logger.Debug(fmt.Sprintf("REFUND INCR: %s", utils.ToJSON(refundIncrements)))
lastCC.Cost -= refundIncrements.GetTotalCost()
lastCC.Timespans.Compress()
return nil
}
func (s *Session) Refund(lastCC *engine.CallCost, hangupTime time.Time) error {
end := lastCC.Timespans[len(lastCC.Timespans)-1].TimeEnd
refundDuration := end.Sub(hangupTime)
var refundIncrements engine.Increments
for i := len(lastCC.Timespans) - 1; i >= 0; i-- {
ts := lastCC.Timespans[i]
tsDuration := ts.GetDuration()
if refundDuration <= tsDuration {
lastRefundedIncrementIndex := -1
for j := len(ts.Increments) - 1; j >= 0; j-- {
increment := ts.Increments[j]
if increment.Duration <= refundDuration {
refundIncrements = append(refundIncrements, increment)
refundDuration -= increment.Duration
lastRefundedIncrementIndex = j
} else {
break //increment duration is larger, cannot refund increment
}
}
if lastRefundedIncrementIndex == 0 {
lastCC.Timespans[i] = nil
lastCC.Timespans = lastCC.Timespans[:i]
} else {
ts.SplitByIncrement(lastRefundedIncrementIndex)
ts.Cost = ts.CalculateCost()
}
break // do not go to other timespans
} else {
refundIncrements = append(refundIncrements, ts.Increments...)
// remove the timespan entirely
lastCC.Timespans[i] = nil
lastCC.Timespans = lastCC.Timespans[:i]
// continue to the next timespan with what is left to refund
refundDuration -= tsDuration
}
}
// show only what was actualy refunded (stopped in timespan)
// utils.Logger.Info(fmt.Sprintf("Refund duration: %v", initialRefundDuration-refundDuration))
if len(refundIncrements) > 0 {
cd := &engine.CallDescriptor{
CgrID: s.eventStart.GetCgrId(s.sessionManager.Timezone()),
Direction: lastCC.Direction,
Tenant: lastCC.Tenant,
Category: lastCC.Category,
Subject: lastCC.Subject,
Account: lastCC.Account,
Destination: lastCC.Destination,
TOR: lastCC.TOR,
Increments: refundIncrements,
}
cd.Increments.Compress()
//utils.Logger.Info(fmt.Sprintf("Refunding duration %v with cd: %+v", refundDuration, cd))
var response float64
err := s.sessionManager.Rater().Call("Responder.RefundIncrements", cd, &response)
if err != nil {
return err
}
}
lastCC.Cost -= refundIncrements.GetTotalCost()
lastCC.UpdateRatedUsage()
lastCC.Timespans.Compress()
return nil
}
