forked from ebhomengo/niki
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package logger
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import (
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"io"
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"log/slog"
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"os"
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"gopkg.in/natefinch/lumberjack.v2"
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)
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const (
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defaultFilePath = "logs/logs.json"
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defaultUseLocalTime = false
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defaultFileMaxSizeInMB = 10
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defaultFileAgeInDays = 30
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)
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type Config struct {
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FilePath string
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UseLocalTime bool
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FileMaxSizeInMB int
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FileMaxAgeInDays int
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}
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var l *slog.Logger
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// init is default logger and Singleton that lets you ensure that a logger has only one instance, while providing a global access point to this instance.
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func init() {
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fileWriter := &lumberjack.Logger{
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Filename: defaultFilePath,
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LocalTime: defaultUseLocalTime,
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MaxSize: defaultFileMaxSizeInMB,
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MaxAge: defaultFileAgeInDays,
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}
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l = slog.New(
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slog.NewJSONHandler(io.MultiWriter(fileWriter, os.Stdout), &slog.HandlerOptions{}),
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)
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}
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func L() *slog.Logger {
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return l
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}
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// New is constructor logger with special settings.
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func New(cfg Config, opt *slog.HandlerOptions) *slog.Logger {
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fileWriter := &lumberjack.Logger{
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Filename: cfg.FilePath,
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LocalTime: cfg.UseLocalTime,
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MaxSize: cfg.FileMaxSizeInMB,
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MaxAge: cfg.FileMaxAgeInDays,
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}
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logger := slog.New(
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slog.NewJSONHandler(io.MultiWriter(fileWriter, os.Stdout), opt),
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)
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return logger
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}
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