ALR/pkg/loggerctx/log.go

// This file was originally part of the project "LURE - Linux User REpository", created by Elara Musayelyan.
// It has been modified as part of "ALR - Any Linux Repository" by Евгений Храмов.
//
// ALR - Any Linux Repository
// Copyright (C) 2025 Евгений Храмов
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package loggerctx

import (
	"context"

	"go.elara.ws/logger"
)

// loggerCtxKey is used as the context key for loggers
type loggerCtxKey struct{}

// With returns a copy of ctx containing log
func With(ctx context.Context, log logger.Logger) context.Context {
	return context.WithValue(ctx, loggerCtxKey{}, log)
}

// From attempts to get a logger from ctx. If ctx doesn't
// contain a logger, it returns a nop logger.
func From(ctx context.Context) logger.Logger {
	if val := ctx.Value(loggerCtxKey{}); val != nil {
		if log, ok := val.(logger.Logger); ok && log != nil {
			return log
		} else {
			return logger.NewNop()
		}
	} else {
		return logger.NewNop()
	}
}