Files
go-omni/middleware/contextErrors.go

31 lines
933 B
Go

package middleware
import (
"context"
"errors"
apierrors "git.yuntuo.hk/k2safe/go-omni/errors"
"git.yuntuo.hk/k2safe/go-omni/httpx"
)
// ContextErrors classifies unhandled context errors using project catalog keys.
// Empty keys leave that class unchanged. Explicit API errors always take
// precedence, even if they wrap a context failure. Causes stay available to logs.
func ContextErrors(canceledKey, deadlineKey string) httpx.Middleware {
return func(next httpx.Handler) httpx.Handler {
return func(c *httpx.Context) error {
err := next(c)
var public *apierrors.APIError
if err == nil || errors.As(err, &public) {
return err
}
if canceledKey != "" && errors.Is(err, context.Canceled) {
return apierrors.ByCode(canceledKey).WithCause(err)
}
if deadlineKey != "" && errors.Is(err, context.DeadlineExceeded) {
return apierrors.ByCode(deadlineKey).WithCause(err)
}
return err
}
}
}