46 lines
732 B
Go
46 lines
732 B
Go
package domain
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import (
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"fmt"
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)
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type LenError struct {
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Min int
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Max int
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Current int
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}
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var _ ErrorWithParams = LenError{}
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func (e LenError) Error() string {
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return fmt.Sprintf("length must be between %d and %d (current length: %d)", e.Min, e.Max, e.Current)
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}
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func (e LenError) Code() ErrorCode {
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return ErrorCodeIncorrectInput
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}
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func (e LenError) Slug() string {
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return "length"
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}
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func (e LenError) Params() map[string]any {
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return map[string]any{
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"Min": e.Min,
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"Max": e.Max,
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"Current": e.Current,
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}
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}
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func validateSliceLen[S ~[]E, E any](s S, min, max int) error {
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if l := len(s); l > max || l < min {
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return LenError{
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Min: min,
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Max: max,
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Current: l,
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}
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}
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return nil
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}
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