package booking import ( "fmt" "strconv" "time" "github.com/rjNemo/rentease/internal/config" ) type Line struct { From time.Time To time.Time CustomerName string Platform string Id int Total float64 PlatformFees float64 Canceled bool } func (l Line) InvoiceNumber(hc *config.Host) string { return fmt.Sprintf("%s%04s", hc.InvoicePrefix, strconv.Itoa(l.Id+hc.CustomerSeed)) } func (l Line) Fee() float64 { if l.Platform == "Other" { return l.Total * 5 / 100 } return l.Total * 10 / 100 } func (l Line) Profit() float64 { return l.Total - l.PlatformFees - l.Fee() }