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27 lines
596 B
27 lines
596 B
4 years ago
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package validate
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import (
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"context"
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"github.com/go-kratos/kratos/v2/errors"
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"github.com/go-kratos/kratos/v2/middleware"
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)
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type validator interface {
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Validate() error
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}
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// Validator is a validator middleware.
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func Validator() middleware.Middleware {
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return func(handler middleware.Handler) middleware.Handler {
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return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
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if v, ok := req.(validator); ok {
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if err := v.Validate(); err != nil {
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return nil, errors.InvalidArgument("Validator", err.Error())
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}
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}
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return handler(ctx, req)
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}
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}
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}
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