logger.go

package statuspage

var logger = &loggerWrapper{}

// Logger is an interface of a logger that could be set via function `SetLogger` as the logger of this package.
// If there will be any errors then they will be written via the logger.
type Logger interface {
	Error(error)
}

type loggerWrapper struct {
	logger Logger
}

// SetLogger sets the logger to be used to report about errors
func SetLogger(newLogger Logger) {
	logger = &loggerWrapper{logger: newLogger}
	return
}

// IfError prints the error "err" via the logger if err != nil
func (l *loggerWrapper) IfError(err error) {
	if l == nil {
		return
	}
	if err == nil {
		return
	}
	if l.logger == nil {
		return
	}
	l.logger.Error(err)
}

// Error prints the error "err" via the logger
func (l *loggerWrapper) Error(err error) {
	if l == nil {
		return
	}
	if l.logger == nil {
		return
	}
	l.logger.Error(err)
}