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log_entry.go
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log_entry.go
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package logger
import (
"fmt"
"go.uber.org/zap"
"strings"
)
const (
defaultFieldName = "-" // defaultFieldName of fields of the log record
defaultErrFieldName = "err" // defaultErrFieldName of error field of the log record
defaultSeparator = "|" // defaultSeparator of fields of the log record
defaultTraceOccupy = "-:-:-"
)
type LogEntry struct {
infoLogger *zap.Logger
errLogger *zap.Logger
debugLogger *zap.Logger
requestId string
}
func newLogEntry(le *LogEntry, fields Fields) *LogEntry {
if !le.validate() {
return le
}
args := toZapFields(fields)
return &LogEntry{
infoLogger: le.infoLogger.With(args...),
errLogger: le.errLogger.With(args...),
debugLogger: le.debugLogger.With(args...),
requestId: le.requestId,
}
}
func getLogEntry(infoLogger, errLogger, debugLogger *zap.Logger) *LogEntry {
return &LogEntry{
infoLogger: infoLogger,
errLogger: errLogger,
debugLogger: debugLogger,
}
}
// Debug logs a message at DebugLevel.
func (le *LogEntry) Debug(msg string) {
if !le.Enabled(DebugLevel) {
return
}
le.debugLogger.Debug(le.withTrace(msg))
}
// Debugf logs a message at DebugLevel.
func (le *LogEntry) Debugf(format string, args ...any) {
if !le.Enabled(DebugLevel) {
return
}
le.debugLogger.Debug(le.withTrace(fmt.Sprintf(format, args...)))
}
// DebugWith logs a message with fields at DebugLevel.
func (le *LogEntry) DebugWith(msg string, fields Fields) {
if !le.Enabled(DebugLevel) {
return
}
le.debugLogger.Debug(le.withTrace(msg), toZapFields(fields)...)
}
// Info logs a message at InfoLevel.
func (le *LogEntry) Info(msg string) {
if !le.Enabled(InfoLevel) {
return
}
le.infoLogger.Info(le.withTrace(msg))
}
func (le *LogEntry) Infof(format string, args ...any) {
if !le.Enabled(InfoLevel) {
return
}
le.infoLogger.Info(le.withTrace(fmt.Sprintf(format, args...)))
}
// InfoWith logs a message with fields at InfoLevel.
func (le *LogEntry) InfoWith(msg string, fields Fields) {
if !le.Enabled(InfoLevel) {
return
}
le.infoLogger.Info(le.withTrace(msg), toZapFields(fields)...)
}
// Warn logs a message at WarnLevel.
func (le *LogEntry) Warn(msg string) {
if !le.Enabled(WarnLevel) {
return
}
le.errLogger.Warn(le.withTrace(msg))
}
func (le *LogEntry) Warnf(format string, args ...any) {
if !le.Enabled(WarnLevel) {
return
}
le.errLogger.Warn(le.withTrace(fmt.Sprintf(format, args...)))
}
// WarnWith logs a message with fields at WarnLevel.
func (le *LogEntry) WarnWith(msg string, fields Fields) {
if !le.Enabled(WarnLevel) {
return
}
le.errLogger.Warn(le.withTrace(msg), toZapFields(fields)...)
}
// Error logs a message at ErrorLevel.
func (le *LogEntry) Error(msg string) {
if !le.Enabled(ErrorLevel) {
return
}
le.errLogger.Error(le.withTrace(msg))
}
func (le *LogEntry) Errorf(format string, args ...any) {
if !le.Enabled(ErrorLevel) {
return
}
le.errLogger.Error(le.withTrace(fmt.Sprintf(format, args...)))
}
// ErrorWith logs a message with fields at ErrorLevel.
func (le *LogEntry) ErrorWith(msg string, fields Fields) {
if !le.Enabled(ErrorLevel) {
return
}
le.errLogger.Error(le.withTrace(msg), toZapFields(fields)...)
}
// With binds a default field to a log message
func (le *LogEntry) With(data any) Entry {
return le.WithField(defaultFieldName, data)
}
// WithError binds a default error field to a log message
func (le *LogEntry) WithError(err error) Entry {
return le.WithField(defaultErrFieldName, err)
}
// WithField binds a field to a log message
func (le *LogEntry) WithField(k string, v any) Entry {
return le.WithFields(Fields{k: v})
}
// WithFields Add a map of fields to the Entry.
func (le *LogEntry) WithFields(fields Fields) Entry {
return newLogEntry(le, fields)
}
// WithTracing create copy of LogEntry with tracing.Span
func (le *LogEntry) WithTracing(requestId string) Entry {
if !le.validate() {
return le
}
return &LogEntry{
infoLogger: le.infoLogger,
errLogger: le.errLogger,
debugLogger: le.debugLogger,
requestId: requestId,
}
}
func (le *LogEntry) Enabled(level Level) bool {
if le == nil {
return false
}
switch level {
case DebugLevel:
return GetLevel() <= DebugLevel && le.debugLogger != nil
case InfoLevel:
return GetLevel() <= InfoLevel && le.infoLogger != nil
case WarnLevel:
return GetLevel() <= WarnLevel && le.errLogger != nil
case ErrorLevel:
return GetLevel() <= ErrorLevel && le.errLogger != nil
default:
return false
}
}
func (le *LogEntry) withTrace(msg string) string {
if le == nil {
return strings.Join(append([]string{
defaultTraceOccupy,
msg,
}), defaultSeparator)
}
if le.requestId == "" {
return strings.Join(append([]string{
defaultTraceOccupy,
msg,
}), defaultSeparator)
}
return strings.Join(append([]string{
le.requestId,
msg,
}), defaultSeparator)
}
func (le *LogEntry) validate() bool {
if le == nil {
return false
}
return true
}
func (le *LogEntry) clone() *LogEntry {
if le == nil {
return nil
}
return &LogEntry{
debugLogger: le.debugLogger,
infoLogger: le.infoLogger,
errLogger: le.errLogger,
requestId: le.requestId,
}
}