File size: 1,915 Bytes
fea99b3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | package errorsx
import (
"context"
"errors"
"log/slog"
"github.com/samber/lo"
"github.com/openmeterio/openmeter/pkg/framework/transport/httptransport"
)
var (
_ httptransport.ErrorHandler = (Handler)(nil)
_ Handler = (*SlogHandler)(nil)
_ Handler = (*NopHandler)(nil)
)
// Handler handles an error.
// Same interface as httptransport.ErrorHandler.
type Handler interface {
Handle(err error)
HandleContext(ctx context.Context, err error)
}
// SlogHandler is a Handler that logs errors using slog.
type SlogHandler struct {
Logger *slog.Logger
}
func NewSlogHandler(logger *slog.Logger) SlogHandler {
return SlogHandler{Logger: logger}
}
func (h SlogHandler) Handle(err error) {
// Context canceled errors are logged as warnings.
if errors.Is(err, context.Canceled) {
h.Logger.Warn(err.Error())
return
}
if isAPIError(err) {
h.Logger.Warn(err.Error())
return
}
// Warn errors are logged as warnings.
if wErr, ok := lo.ErrorsAs[*warnError](err); ok {
h.Logger.Warn(wErr.Error())
return
}
// All other errors are logged as errors.
h.Logger.Error(err.Error())
}
func (h SlogHandler) HandleContext(ctx context.Context, err error) {
// Context canceled errors are logged as warnings.
if errors.Is(err, context.Canceled) {
h.Logger.WarnContext(ctx, err.Error())
return
}
if isAPIError(err) {
h.Logger.WarnContext(ctx, err.Error())
return
}
// Warn errors are logged as warnings.
if wErr, ok := lo.ErrorsAs[*warnError](err); ok {
h.Logger.WarnContext(ctx, wErr.Error())
return
}
// All other errors are logged as errors.
h.Logger.ErrorContext(ctx, err.Error())
}
// NopHandler ignores all errors. Useful for testing.
type NopHandler struct{}
func NewNopHandler() NopHandler {
return NopHandler{}
}
func (h NopHandler) Handle(err error) {
}
func (h NopHandler) HandleContext(ctx context.Context, err error) {
}
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