Ilia Denisov
132 lines
3.8 KiB
Go
132 lines
3.8 KiB
Go
package shared
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import (
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"fmt"
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"strings"
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"time"
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"galaxy/user/internal/domain/common"
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"golang.org/x/text/language"
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)
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// NormalizeString trims surrounding Unicode whitespace from value.
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func NormalizeString(value string) string {
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return strings.TrimSpace(value)
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}
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// ParseEmail trims value and validates it as one exact normalized e-mail
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// subject used by the auth-facing contract.
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func ParseEmail(value string) (common.Email, error) {
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email := common.Email(NormalizeString(value))
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if err := email.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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return email, nil
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}
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// ParseUserID trims value and validates it as one stable user identifier.
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func ParseUserID(value string) (common.UserID, error) {
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userID := common.UserID(NormalizeString(value))
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if err := userID.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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return userID, nil
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}
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// ParseRaceName trims value and validates it as one exact stored race name.
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func ParseRaceName(value string) (common.RaceName, error) {
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raceName := common.RaceName(NormalizeString(value))
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if err := raceName.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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return raceName, nil
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}
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// ParseReasonCode trims value and validates it as one machine-readable reason
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// code.
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func ParseReasonCode(value string) (common.ReasonCode, error) {
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reasonCode := common.ReasonCode(NormalizeString(value))
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if err := reasonCode.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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return reasonCode, nil
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}
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// ParseLanguageTag trims value and validates it against the current Stage 03
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// boundary and BCP 47 semantics, returning the canonical tag form.
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func ParseLanguageTag(value string) (common.LanguageTag, error) {
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languageTag := common.LanguageTag(NormalizeString(value))
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if err := languageTag.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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parsedTag, err := language.Parse(languageTag.String())
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if err != nil {
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return "", InvalidRequest("language tag must be a valid BCP 47 language tag")
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}
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canonicalTag := common.LanguageTag(parsedTag.String())
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if err := canonicalTag.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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return canonicalTag, nil
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}
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// ParseTimeZoneName trims value and validates it against the current Stage 03
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// boundary and IANA time-zone semantics.
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func ParseTimeZoneName(value string) (common.TimeZoneName, error) {
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timeZoneName := common.TimeZoneName(NormalizeString(value))
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if err := timeZoneName.Validate(); err != nil {
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return "", InvalidRequest(err.Error())
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}
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if _, err := time.LoadLocation(timeZoneName.String()); err != nil {
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return "", InvalidRequest("time zone name must be a valid IANA time zone name")
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}
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return timeZoneName, nil
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}
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// ParseRegistrationPreferredLanguage trims value, validates it as one create-
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// only BCP 47 registration language tag, and returns the canonical tag form.
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func ParseRegistrationPreferredLanguage(value string) (common.LanguageTag, error) {
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languageTag, err := ParseLanguageTag(value)
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if err != nil {
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return "", reframeFieldError("registration_context.preferred_language", "language tag", err)
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}
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return languageTag, nil
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}
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// ParseRegistrationTimeZoneName trims value and validates it as one create-
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// only IANA registration time-zone name.
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func ParseRegistrationTimeZoneName(value string) (common.TimeZoneName, error) {
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timeZoneName, err := ParseTimeZoneName(value)
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if err != nil {
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return "", reframeFieldError("registration_context.time_zone", "time zone name", err)
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}
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return timeZoneName, nil
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}
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func reframeFieldError(fieldName string, valueName string, err error) error {
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if err == nil {
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return nil
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}
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message := err.Error()
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prefix := valueName + " "
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if strings.HasPrefix(message, prefix) {
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message = fieldName + " " + strings.TrimPrefix(message, prefix)
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} else {
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message = fmt.Sprintf("%s: %s", fieldName, message)
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}
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return InvalidRequest(message)
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}
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