Refactor HTTP Client and LocalizedError packages

internal/locale/error.go

@@ -0,0 +1,52 @@
+// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package locale // import "miniflux.app/v2/internal/locale"
+
+import "errors"
+
+type LocalizedErrorWrapper struct {
+	originalErr     error
+	translationKey  string
+	translationArgs []any
+}
+
+func NewLocalizedErrorWrapper(originalErr error, translationKey string, translationArgs ...any) *LocalizedErrorWrapper {
+	return &LocalizedErrorWrapper{
+		originalErr:     originalErr,
+		translationKey:  translationKey,
+		translationArgs: translationArgs,
+	}
+}
+
+func (l *LocalizedErrorWrapper) Error() error {
+	return l.originalErr
+}
+
+func (l *LocalizedErrorWrapper) Translate(language string) string {
+	if l.translationKey == "" {
+		return l.originalErr.Error()
+	}
+	return NewPrinter(language).Printf(l.translationKey, l.translationArgs...)
+}
+
+type LocalizedError struct {
+	translationKey  string
+	translationArgs []any
+}
+
+func NewLocalizedError(translationKey string, translationArgs ...any) *LocalizedError {
+	return &LocalizedError{translationKey: translationKey, translationArgs: translationArgs}
+}
+
+func (v *LocalizedError) String() string {
+	return NewPrinter("en_US").Printf(v.translationKey, v.translationArgs...)
+}
+
+func (v *LocalizedError) Error() error {
+	return errors.New(v.String())
+}
+
+func (v *LocalizedError) Translate(language string) string {
+	return NewPrinter(language).Printf(v.translationKey, v.translationArgs...)
+}