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logger.go
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logger.go
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package logger
import (
"context"
"errors"
"fmt"
"go.uber.org/fx"
"go.uber.org/zap"
gormlogger "gorm.io/gorm/logger"
"gorm.io/gorm/utils"
"time"
)
type Config struct {
SlowThreshold time.Duration
LogLevel gormlogger.LogLevel
}
type Params struct {
fx.In
Config Config
ZapLogger *zap.SugaredLogger
}
type Result struct {
fx.Out
GormLogger gormlogger.Interface
}
func New(p Params) Result {
return Result{
GormLogger: &customLogger{
logLevel: p.Config.LogLevel,
slowThreshold: p.Config.SlowThreshold,
zap: p.ZapLogger.Named("gorm"),
},
}
}
type customLogger struct {
logLevel gormlogger.LogLevel
slowThreshold time.Duration
zap *zap.SugaredLogger
}
func (l *customLogger) LogMode(level gormlogger.LogLevel) gormlogger.Interface {
newlogger := *l
newlogger.logLevel = level
return l
}
func (l *customLogger) Info(_ context.Context, msg string, data ...interface{}) {
l.zap.Debugw("gorm", "msg", msg, "data", data)
}
func (l *customLogger) Warn(_ context.Context, msg string, data ...interface{}) {
l.zap.Warnw("gorm", "msg", msg, "data", data)
}
func (l *customLogger) Error(_ context.Context, msg string, data ...interface{}) {
l.zap.Errorw("gorm", "msg", msg, "data", data)
}
func (l *customLogger) Trace(_ context.Context, begin time.Time, fc func() (string, int64), err error) {
if l.logLevel <= gormlogger.Silent {
return
}
elapsed := time.Since(begin)
switch {
case err != nil && l.logLevel >= gormlogger.Error && !errors.Is(err, gormlogger.ErrRecordNotFound):
sql, rows := fc()
l.zap.Errorw("gorm trace", "location", utils.FileWithLineNum(), "error", err, "elapsed", float64(elapsed.Nanoseconds())/1e6, "sql", sql, "rows", rows)
case elapsed > l.slowThreshold && l.slowThreshold != 0 && l.logLevel >= gormlogger.Warn:
sql, rows := fc()
slowLog := fmt.Sprintf("SLOW SQL >= %v", l.slowThreshold)
l.zap.Warnw("gorm trace", "location", utils.FileWithLineNum(), "slowLog", slowLog, "elapsed", float64(elapsed.Nanoseconds())/1e6, "sql", sql, "rows", rows)
case l.logLevel == gormlogger.Info:
sql, rows := fc()
l.zap.Debugw("gorm trace", "location", utils.FileWithLineNum(), "elapsed", float64(elapsed.Nanoseconds())/1e6, "sql", sql, "rows", rows)
}
}