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str.go
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str.go
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package sdktypes
import (
"encoding/json"
"google.golang.org/protobuf/types/known/wrapperspb"
"go.autokitteh.dev/autokitteh/sdk/sdkerrors"
)
// This is a string that is validated by a trait.
// We assume that an empty string is not a valid value.
type validatedString[T validatedStringTraits] struct{ s string }
type validatedStringTraits interface{ Validate(s string) error }
func (s validatedString[T]) IsValid() bool { var zero validatedString[T]; return s != zero }
func (s validatedString[T]) Hash() string {
if s.s == "" {
return ""
}
return hash(wrapperspb.String(s.s))
}
func parseValidatedString[T validatedStringTraits](v string) (s validatedString[T], err error) {
var t T
if err = t.Validate(v); err != nil {
err = sdkerrors.ErrInvalidArgument{Underlying: err}
return
}
s = validatedString[T]{v}
return
}
func ParseValidatedString[N ~struct{ validatedString[T] }, T validatedStringTraits](v string) (n N, err error) {
var s validatedString[T]
if s, err = parseValidatedString[T](v); err != nil {
return
}
n = N{s}
return
}
func (s validatedString[T]) String() string { return s.s }
func (s validatedString[T]) MarshalJSON() ([]byte, error) { return json.Marshal(s.s) }
func (s *validatedString[T]) UnmarshalJSON(data []byte) error {
var str string
err := json.Unmarshal(data, &str)
if err != nil {
return err
}
if *s, err = parseValidatedString[T](str); err != nil {
return err
}
return nil
}
func (s validatedString[T]) Strict() error {
if s.s == "" {
return sdkerrors.NewInvalidArgumentError("empty")
}
return nil
}
func forceValidatedString[W ~struct{ validatedString[T] }, T validatedStringTraits](s string) W {
return W{validatedString[T]{s}}
}