54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package logger
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import (
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"crypto_alert_bot/internal/config"
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"fmt"
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"log/slog"
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"os"
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prettyLogger "github.com/charmbracelet/log"
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)
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var levelAdapter = map[string]slog.Level{
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"debug": slog.LevelDebug,
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"info": slog.LevelInfo,
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"warn": slog.LevelWarn,
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"error": slog.LevelError,
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}
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const (
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encodingConsole = "console"
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encodingJSON = "json"
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)
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const (
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serviceNameKey = "service_name"
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)
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func NewAppLogger(cfg *config.Logger) *slog.Logger {
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var log *slog.Logger
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// select log level
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level, ok := levelAdapter[cfg.Level]
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if !ok {
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panic(fmt.Errorf("logger level not correct: %s", level))
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}
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// make handler
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switch cfg.Encoding {
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case encodingConsole:
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handler := prettyLogger.NewWithOptions(os.Stdout, prettyLogger.Options{
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Level: prettyLogger.Level(level),
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ReportTimestamp: true,
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ReportCaller: true,
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})
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log = slog.New(handler)
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case encodingJSON:
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handler := slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: level})
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log = slog.New(handler)
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default:
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panic(fmt.Errorf("logger encoding is not correct: %s", cfg.Encoding))
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}
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// add field with service name
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log = log.With(serviceNameKey, cfg.ServiceName)
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return log
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}
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