new telegram bot

telegram_bot/pkg/logger/logger.go

@@ -0,0 +1,38 @@
+package logger
+
+import (
+	"os"
+	"time"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+type Config struct {
+	AppName       string `envconfig:"APP_NAME"    required:"true"`
+	AppVersion    string `envconfig:"APP_VERSION" required:"true"`
+	Level         string `default:"error"         envconfig:"LOGGER_LEVEL"`
+	PrettyConsole bool   `default:"false"         envconfig:"LOGGER_PRETTY_CONSOLE"`
+}
+
+func Init(c Config) {
+	zerolog.TimeFieldFormat = time.RFC3339
+	zerolog.SetGlobalLevel(zerolog.InfoLevel)
+
+	level, err := zerolog.ParseLevel(c.Level)
+	if err != nil {
+		zerolog.SetGlobalLevel(level)
+	}
+
+	log.Logger = log.With().
+		// Caller().
+		// Str("app_name", c.AppName).
+		// Str("app_version", c.AppVersion).
+		Logger()
+
+	if c.PrettyConsole {
+		log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: "15:04:05"})
+	}
+
+	log.Info().Msg("Logger initialized")
+}