59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package presenter
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import (
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"context"
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"errors"
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"fmt"
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"log/slog"
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"github.com/99designs/gqlgen/graphql"
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"github.com/vektah/gqlparser/v2/gqlerror"
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)
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func New[C ~string, E ~string](logger *slog.Logger, codes []C, entities []E, internalErrorCode C) func(ctx context.Context, e error) *gqlerror.Error {
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return func(ctx context.Context, e error) *gqlerror.Error {
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err := graphql.DefaultErrorPresenter(ctx, e)
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var codedError CodedError
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if errors.As(e, &codedError) {
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code := toModelErrorCode(codedError.Code, codes, internalErrorCode)
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errorEntity := toModelErrorEntity(codedError.Entity, entities)
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extensions := map[string]interface{}{"code": code}
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if len(errorEntity) > 0 {
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extensions["errorEntity"] = errorEntity
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}
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if len(codedError.Params) > 0 {
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extensions["params"] = codedError.Params
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}
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err.Extensions = extensions
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} else {
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err.Extensions = map[string]interface{}{"code": internalErrorCode}
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}
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if logError(e) {
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logger.ErrorContext(ctx, fmt.Sprintf("%v", e))
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}
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return err
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}
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}
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func logError(err error) bool {
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return !errors.Is(err, context.Canceled)
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}
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func toModelErrorCode[C ~string](code Code, codes []C, internalErrorCode C) C {
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for _, c := range codes {
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if string(c) == string(code) {
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return c
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}
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}
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return internalErrorCode
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}
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func toModelErrorEntity[E ~string](entity Entity, entities []E) E {
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for _, e := range entities {
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if string(e) == string(entity) {
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return e
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}
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}
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return ""
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}
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