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error_handler.go
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/
error_handler.go
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package app
import (
"errors"
"github.com/awnumar/memguard"
"github.com/rs/zerolog"
wailsRuntime "github.com/wailsapp/wails/v2/pkg/runtime"
)
type ValidationError struct {
ActualError error
}
func (e *ValidationError) Error() string {
return e.ActualError.Error()
}
func (e *ValidationError) Is(target error) bool {
_, ok := target.(*ValidationError)
return ok
}
func (e *ValidationError) Unwrap() error {
return e.ActualError
}
var (
ErrValidation = &ValidationError{ActualError: errors.New("VALIDATION_ERROR")}
ErrFatal = errors.New("FATAL_ERROR")
)
func NewValidationError(msg string) error {
return &ValidationError{ActualError: errors.New(msg)}
}
type ErrorHandler interface {
Catch(ctx Context, logger zerolog.Logger, err error)
CatchWithMsg(ctx Context, logger zerolog.Logger, err error, msg string)
}
type errorHandler struct {
}
func NewErrorHandler() ErrorHandler {
return &errorHandler{}
}
func (eh *errorHandler) showFatalErrorDialog(ctx Context, logger zerolog.Logger) {
wailsRuntime.MessageDialog(ctx, wailsRuntime.MessageDialogOptions{
Type: wailsRuntime.ErrorDialog,
Title: "Error",
Message: "Unexpected error occurred. This is a bug & the application will exit to protect your data",
})
}
func (eh *errorHandler) Catch(ctx Context, logger zerolog.Logger, err error) {
eh.CatchWithMsg(ctx, logger, err, "")
}
func (eh *errorHandler) CatchWithMsg(ctx Context, logger zerolog.Logger, err error, msg string) {
if err != nil {
logger.Error().Stack().Err(err).Msgf(msg)
if ctx != nil {
eh.showFatalErrorDialog(ctx, logger)
}
memguard.SafeExit(1)
}
}