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validators.go
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validators.go
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package groupcmdutil
import (
"regexp"
"strconv"
"github.com/redhat-developer/app-services-cli/pkg/core/cmdutil/flagutil"
"github.com/redhat-developer/app-services-cli/pkg/core/localize"
)
var timestampOffsetRegExp = regexp.MustCompile(`^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}-\d{2}:\d{2})$`)
type Validator struct {
Localizer localize.Localizer
}
// ValidateOffset checks if value v is a valid value for --offset
func (v *Validator) ValidateOffset(offset string) error {
isValid := flagutil.IsValidInput(offset, ValidOffsets...)
if isValid {
return nil
}
return flagutil.InvalidValueError("offset", offset, ValidOffsets...)
}
// ValidateOffsetValue validates value for timestamp and absolute offset
// value for absolute offset should be integer and timestamp should be in format "yyyy-MM-dd'T'HH:mm:ssz"
func (v *Validator) ValidateOffsetValue(offset string, value string) error {
offsetValueTmplPair := localize.NewEntry("Value", value)
switch offset {
case OffsetTimestamp:
matched := timestampOffsetRegExp.MatchString(value)
if !matched {
return v.Localizer.MustLocalizeError("kafka.consumerGroup.resetOffset.error.invalidTimestampOffset", offsetValueTmplPair)
}
case OffsetAbsolute:
if _, parseErr := strconv.Atoi(value); parseErr != nil {
offsetValueTmplPair := localize.NewEntry("Value", value)
return v.Localizer.MustLocalizeError("kafka.consumerGroup.resetOffset.error.invalidAbsoluteOffset", offsetValueTmplPair)
}
}
return nil
}