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validations.go
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/
validations.go
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package interactive
import (
"fmt"
"strconv"
"strings"
"github.com/AlecAivazis/survey/v2"
)
func All(funcs ...survey.Validator) survey.Validator {
return func(input interface{}) error {
for _, callable := range funcs {
err := callable(input)
if err != nil {
return err
}
}
return nil
}
}
func Lowercase() survey.Validator {
return func(input interface{}) error {
str, ok := input.(string)
if !ok {
return ErrInvalidValue
}
if strings.ToLower(str) != input {
return fmt.Errorf("%w: must be lowercase", ErrInvalidValue)
}
return nil
}
}
func AssertBetween(min int32, max int32) survey.Validator {
return func(input interface{}) error {
str, ok := input.(string)
if !ok {
return ErrInvalidValue
}
i, err := strconv.ParseInt(str, 10, 32)
if err != nil {
return fmt.Errorf("%w: must be an integer", ErrInvalidValue)
}
val := int32(i)
if val < min || val > max {
return fmt.Errorf("%w: must be between %d and %d", ErrInvalidValue, min, max)
}
return nil
}
}
func AssertMinimumLength(length int) survey.Validator {
return survey.MinLength(length)
}