12c547d215
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ci/woodpecker/push/woodpecker Pipeline failed
- internal/ghl/oauth.go: acknowledge fmt.Fprint return (errcheck) - internal/ghl/api.go: handle io.ReadAll error instead of discarding (errcheck) - internal/cast/client.go: replace defer-in-loop with explicit Body.Close after ReadAll (gocritic defer-in-loop) - internal/phone/normalize.go: move inline regexp.MustCompile to package-level var e164Pattern (gocritic / performance) Co-Authored-By: Paperclip <noreply@paperclip.ing>
72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
package phone
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import (
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"errors"
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"regexp"
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"strings"
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)
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var nonDigit = regexp.MustCompile(`[^\d]`)
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var e164Pattern = regexp.MustCompile(`^\+63\d{10}$`)
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// ToLocal converts a phone number to Philippine local format (09XXXXXXXXX).
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func ToLocal(e164 string) (string, error) {
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if e164 == "" {
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return "", errors.New("invalid Philippine phone number: empty input")
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}
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digits := nonDigit.ReplaceAllString(e164, "")
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if digits == "" {
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return "", errors.New("invalid Philippine phone number: no digits found")
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}
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var local string
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switch {
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case strings.HasPrefix(digits, "63") && len(digits) == 12:
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local = "0" + digits[2:]
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case strings.HasPrefix(digits, "9") && len(digits) == 10:
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local = "0" + digits
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case strings.HasPrefix(digits, "0") && len(digits) == 11:
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local = digits
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default:
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return "", errors.New("invalid Philippine phone number")
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}
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if len(local) != 11 || !strings.HasPrefix(local, "09") {
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return "", errors.New("invalid Philippine phone number")
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}
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return local, nil
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}
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// ToE164 converts a phone number to E.164 format (+63XXXXXXXXXX).
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func ToE164(local string) (string, error) {
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if local == "" {
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return "", errors.New("invalid Philippine phone number: empty input")
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}
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// preserve leading + before stripping
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hasPlus := strings.HasPrefix(local, "+")
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digits := nonDigit.ReplaceAllString(local, "")
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if digits == "" {
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return "", errors.New("invalid Philippine phone number: no digits found")
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}
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var e164 string
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switch {
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case hasPlus && strings.HasPrefix(digits, "63") && len(digits) == 12:
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e164 = "+" + digits
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case !hasPlus && strings.HasPrefix(digits, "63") && len(digits) == 12:
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e164 = "+" + digits
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case strings.HasPrefix(digits, "0") && len(digits) == 11:
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e164 = "+63" + digits[1:]
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case strings.HasPrefix(digits, "9") && len(digits) == 10:
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e164 = "+63" + digits
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default:
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return "", errors.New("invalid Philippine phone number")
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}
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if !e164Pattern.MatchString(e164) {
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return "", errors.New("invalid Philippine phone number")
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}
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return e164, nil
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}
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