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logger.go
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logger.go
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package log
import (
"fmt"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
type Logger struct {
base *zap.Logger
app *zap.SugaredLogger
access *zap.Logger
}
func NewLogger(cfg Config) *Logger {
zcfg := baseZapConfig()
zcfg.Encoding = cfg.Format.ZapEncoding()
zcfg.Level = cfg.Level.ZapLevel()
if cfg.Development {
zcfg.Development = true
zcfg.EncoderConfig.EncodeDuration = zapcore.StringDurationEncoder
if cfg.Format == FormatText {
zcfg.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
} else {
zcfg.EncoderConfig.EncodeLevel = zapcore.LowercaseLevelEncoder
}
} else {
zcfg.Development = false
zcfg.EncoderConfig.EncodeDuration = zapcore.SecondsDurationEncoder
zcfg.EncoderConfig.EncodeLevel = zapcore.LowercaseLevelEncoder
}
zcfg.DisableStacktrace = !cfg.StackTrace
zcfg.DisableCaller = !cfg.Caller
l, err := zcfg.Build()
if err != nil {
panic(fmt.Sprintf("failed to build zap logger: %v", err))
}
base := l
return &Logger{
base: base,
app: base.Sugar().With(zap.String("type", "app")),
access: base.With(zap.String("type", "access")).WithOptions(zap.WithCaller(false)),
}
}
func (l *Logger) Access() *zap.Logger {
return l.access
}
func (l *Logger) L() *zap.Logger {
return l.app.Desugar()
}
func (l *Logger) S() *zap.SugaredLogger {
return l.app
}
func (l *Logger) WithOperation(op string) *zap.SugaredLogger {
return l.app.With(zap.String("operation", op))
}
func (l *Logger) Sync() {
l.base.Sync()
}
func baseZapConfig() zap.Config {
cfg := zap.NewProductionConfig()
cfg.OutputPaths = []string{"stdout"}
cfg.Sampling = nil
cfg.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
return cfg
}