func (c *CheapestFlightCache) Update(flight *model.Flight) UpdateResult {
id := *flight.Id()
newFare := flight.CheapestAvailableFare()
oldFlight, existed := c.cache[id]
if !existed {
if newFare == nil {
return Unchanged
} else {
c.cache[id] = flight
return Added
}
}
if newFare == nil {
delete(c.cache, id)
return Removed
} else if newFare.Cents < oldFlight.CheapestAvailableFare().Cents {
c.cache[id] = flight
return Added
} else {
return Unchanged
}
}
func (m *MaxAvailableFareFilter) Matches(flight *model.Flight) bool {
return flight.CheapestAvailableFare().Cents <= m.Cents
}
func (m *MaxAvailableFareFilter) Matches(flight *model.Flight) bool {
cheapestAvailableFare := flight.CheapestAvailableFare()
return cheapestAvailableFare != nil && flight.CheapestAvailableFare().Cents <= m.Cents
}