init push

internal/shared/pkg/logger/logger.go

@@ -0,0 +1,41 @@
+package logger
+
+import (
+	"io"
+	"log/slog"
+	"os"
+	"strings"
+
+	"wucher/internal/config"
+)
+
+func New(cfg config.LoggingConfig) *slog.Logger {
+	level := parseLevel(cfg.Level)
+	options := &slog.HandlerOptions{Level: level}
+
+	var handler slog.Handler
+	switch strings.ToLower(strings.TrimSpace(cfg.Format)) {
+	case "text":
+		handler = slog.NewTextHandler(os.Stdout, options)
+	default:
+		handler = slog.NewJSONHandler(os.Stdout, options)
+	}
+	return slog.New(handler)
+}
+
+func NewDiscard() *slog.Logger {
+	return slog.New(slog.NewJSONHandler(io.Discard, nil))
+}
+
+func parseLevel(raw string) slog.Leveler {
+	switch strings.ToLower(strings.TrimSpace(raw)) {
+	case "debug":
+		return slog.LevelDebug
+	case "warn", "warning":
+		return slog.LevelWarn
+	case "error":
+		return slog.LevelError
+	default:
+		return slog.LevelInfo
+	}
+}