micro/logger/wrapper.go
Vasiliy Tolstov f386bffd37 logger: change logger interface
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-08-06 02:15:57 +03:00

155 lines
3.6 KiB
Go

package logger
import (
"context"
"reflect"
rutil "github.com/unistack-org/micro/v3/util/reflect"
)
// LogFunc function used for Log method
type LogFunc func(ctx context.Context, level Level, args ...interface{})
// LogfFunc function used for Logf method
type LogfFunc func(ctx context.Context, level Level, msg string, args ...interface{})
type Wrapper interface {
// Log logs message with needed level
Log(LogFunc) LogFunc
// Logf logs message with needed level
Logf(LogfFunc) LogfFunc
}
var (
_ Logger = &OmitLogger{}
)
type OmitLogger struct {
l Logger
}
func NewOmitLogger(l Logger) Logger {
return &OmitLogger{l: l}
}
func (w *OmitLogger) Init(opts ...Option) error {
return w.l.Init(append(opts, WrapLogger(NewOmitWrapper()))...)
}
func (w *OmitLogger) V(level Level) bool {
return w.l.V(level)
}
func (w *OmitLogger) Options() Options {
return w.l.Options()
}
func (w *OmitLogger) Fields(fields ...interface{}) Logger {
return w.l.Fields(fields...)
}
func (w *OmitLogger) Info(ctx context.Context, args ...interface{}) {
w.l.Info(ctx, args...)
}
func (w *OmitLogger) Trace(ctx context.Context, args ...interface{}) {
w.l.Trace(ctx, args...)
}
func (w *OmitLogger) Debug(ctx context.Context, args ...interface{}) {
w.l.Debug(ctx, args...)
}
func (w *OmitLogger) Warn(ctx context.Context, args ...interface{}) {
w.l.Warn(ctx, args...)
}
func (w *OmitLogger) Error(ctx context.Context, args ...interface{}) {
w.l.Error(ctx, args...)
}
func (w *OmitLogger) Fatal(ctx context.Context, args ...interface{}) {
w.l.Fatal(ctx, args...)
}
func (w *OmitLogger) Infof(ctx context.Context, msg string, args ...interface{}) {
w.l.Infof(ctx, msg, args...)
}
func (w *OmitLogger) Tracef(ctx context.Context, msg string, args ...interface{}) {
w.l.Tracef(ctx, msg, args...)
}
func (w *OmitLogger) Debugf(ctx context.Context, msg string, args ...interface{}) {
w.l.Debugf(ctx, msg, args...)
}
func (w *OmitLogger) Warnf(ctx context.Context, msg string, args ...interface{}) {
w.l.Warnf(ctx, msg, args...)
}
func (w *OmitLogger) Errorf(ctx context.Context, msg string, args ...interface{}) {
w.l.Errorf(ctx, msg, args...)
}
func (w *OmitLogger) Fatalf(ctx context.Context, msg string, args ...interface{}) {
w.l.Fatalf(ctx, msg, args...)
}
func (w *OmitLogger) Log(ctx context.Context, level Level, args ...interface{}) {
w.l.Log(ctx, level, args...)
}
func (w *OmitLogger) Logf(ctx context.Context, level Level, msg string, args ...interface{}) {
w.l.Logf(ctx, level, msg, args...)
}
func (w *OmitLogger) String() string {
return w.l.String()
}
type OmitWrapper struct{}
func NewOmitWrapper() Wrapper {
return &OmitWrapper{}
}
func getArgs(args []interface{}) []interface{} {
nargs := make([]interface{}, 0, len(args))
var err error
for _, arg := range args {
val := reflect.ValueOf(arg)
switch val.Kind() {
case reflect.Ptr:
val = val.Elem()
}
narg := arg
if val.Kind() == reflect.Struct {
if narg, err = rutil.Zero(arg); err == nil {
rutil.CopyDefaults(narg, arg)
if flds, ferr := rutil.StructFields(narg); ferr == nil {
for _, fld := range flds {
if tv, ok := fld.Field.Tag.Lookup("logger"); ok && tv == "omit" {
fld.Value.Set(reflect.Zero(fld.Value.Type()))
}
}
}
}
}
nargs = append(nargs, narg)
}
return nargs
}
func (w *OmitWrapper) Log(fn LogFunc) LogFunc {
return func(ctx context.Context, level Level, args ...interface{}) {
fn(ctx, level, getArgs(args)...)
}
}
func (w *OmitWrapper) Logf(fn LogfFunc) LogfFunc {
return func(ctx context.Context, level Level, msg string, args ...interface{}) {
fn(ctx, level, msg, getArgs(args)...)
}
}