/
logger.go
164 lines (137 loc) · 2.9 KB
/
logger.go
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package utils
import (
"errors"
"fmt"
"os"
"strings"
"time"
)
type LogType int
const (
LTDebug LogType = iota
LTLog
LTInfo
LTWarn
LTError
)
var VerboseLevel = LTWarn
type LogUnit struct {
Type LogType
Data string
Time int64
TimeStr string
}
func (l *LogUnit) Error() error {
return errors.New(l.Data)
}
func LogTypeToStr(lt LogType) string {
if lt == LTLog {
return "ALOG"
} else if lt == LTInfo {
return "INFO"
} else if lt == LTWarn {
return "WARN"
} else if lt == LTError {
return "ERRO"
}
return "UDEF"
}
func PrintLogUnit(lu *LogUnit) {
if lu.Type < VerboseLevel {
return
}
if lu.Type <= LTWarn {
fmt.Fprintf(os.Stdout, "%s | %s | %s", LogTypeToStr(lu.Type), lu.TimeStr, lu.Data)
} else {
fmt.Fprintf(os.Stderr, "%s | %s | %s", LogTypeToStr(lu.Type), lu.TimeStr, lu.Data)
}
}
func DBase(t LogType, a ...interface{}) *LogUnit {
currentTime := time.Now()
data := fmt.Sprintln(a...)
log := LogUnit{
Time: currentTime.UnixNano(),
TimeStr: currentTime.Format(time.RFC3339),
Data: data,
Type: t,
}
PrintLogUnit(&log)
return &log
}
func DBasef(t LogType, format string, a ...interface{}) *LogUnit {
return DBase(t, fmt.Sprintf(format, a...))
}
func DLog(a ...interface{}) *LogUnit {
return DBase(LTLog, a...)
}
func DLogf(format string, a ...interface{}) *LogUnit {
return DBasef(LTLog, format, a...)
}
func DInfo(a ...interface{}) *LogUnit {
return DBase(LTInfo, a...)
}
func DInfof(format string, a ...interface{}) *LogUnit {
return DBasef(LTInfo, format, a...)
}
func DWarn(a ...interface{}) *LogUnit {
return DBase(LTWarn, a...)
}
func DWarnf(format string, a ...interface{}) *LogUnit {
return DBasef(LTWarn, format, a...)
}
func DError(a ...interface{}) *LogUnit {
return DBase(LTError, a...)
}
func DErrorf(format string, a ...interface{}) *LogUnit {
return DBasef(LTError, format, a...)
}
func DBlackhole(a ...interface{}) *LogUnit {
return nil
}
func DBlackholef(format string, a ...interface{}) *LogUnit {
return nil
}
func DErrorE(err error, a ...interface{}) *LogUnit {
if err != nil {
a = append(a, err.Error())
}
return DBase(LTError, a...)
}
func DErrorEf(err error, format string, a ...interface{}) *LogUnit {
if err != nil {
format = strings.TrimSpace(format) + ", error=%s"
a = append(a, err.Error())
}
return DBasef(LTError, format, a...)
}
func WrapErrorPure(desc string, erro any) (err error) {
if erro != nil {
switch x := erro.(type) {
case string:
err = fmt.Errorf(x)
case error:
err = x
default:
err = fmt.Errorf("unknown error")
}
}
if err != nil {
DErrorEf(err, "Unexpected Error | %v", desc)
}
return
}
func WrapError(desc string, fn func() error, onError ...func(err error)) (err error) {
defer func() {
newErr := WrapErrorPure(desc, recover())
if newErr != nil {
err = newErr
}
if err != nil {
for _, errFn := range onError {
errFn(err)
}
}
}()
err = fn()
return
}