hibiscus/internal/logging/logger.go
2024-10-21 16:46:25 +03:00

37 lines
1,019 B
Go

package logging
import (
"io"
"log"
"log/slog"
"os"
"git.a71.su/Andrew71/hibiscus-txt/internal/config"
"github.com/go-chi/chi/v5/middleware"
)
var DebugMode = false
// LogInit makes slog output to both os.Stdout and a file if needed, and sets slog.LevelDebug if enabled.
func LogInit() {
var w io.Writer
if config.Cfg.LogToFile {
f, err := os.OpenFile(config.Cfg.LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
slog.Error("error opening log file, logging to stdout only", "path", config.Cfg.LogFile, "error", err)
return
}
// No defer f.Close() because that breaks the MultiWriter
w = io.MultiWriter(f, os.Stdout)
} else {
w = os.Stdout
}
// Make slog and chi use intended format
var opts *slog.HandlerOptions
if DebugMode {
opts = &slog.HandlerOptions{Level: slog.LevelDebug}
}
slog.SetDefault(slog.New(slog.NewTextHandler(w, opts)))
middleware.DefaultLogger = middleware.RequestLogger(&middleware.DefaultLogFormatter{Logger: log.Default(), NoColor: true})
}