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seriesnumber.go
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/
seriesnumber.go
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package epgdata
import (
"encoding/json"
"fmt"
"regexp"
"strconv"
"strings"
)
type seriesNumber struct {
Valid bool
Number int
Total int
}
func (s *seriesNumber) UnmarshalJSON(data []byte) error {
var aux string
err := json.Unmarshal(data, &aux)
if err != nil {
return err
}
reg := regexp.MustCompile("[^0-9/]+")
aux = reg.ReplaceAllString(aux, "")
if aux == "0" || aux == "" {
return nil
}
// is number e.g. "1"
s.Number, err = strconv.Atoi(aux)
if err == nil {
s.Valid = true
return nil
}
// is format "1/3"
if strings.Contains(aux, "/") {
splits := strings.Split(aux, "/")
if len(splits) == 2 {
s.Number, err = strconv.Atoi(splits[0])
if err != nil {
// is not valid
return nil
}
s.Total, _ = strconv.Atoi(splits[1])
s.Valid = true
return nil
}
}
return nil
}
// XMLTVString returns a String prepared for XMLTv and based to 0.
func (s *seriesNumber) XMLTVString() string {
if !s.Valid {
// s.Number == 0
return fmt.Sprintf("%d", s.Number)
}
if s.Total > 0 {
return fmt.Sprintf("%d/%d", s.Number-1, s.Total-1)
}
return fmt.Sprintf("%d", s.Number-1)
}