Mainflux.mainflux/twins/api/logging.go

120 lines
4.0 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
// +build !test
package api
import (
"context"
"fmt"
"time"
log "github.com/mainflux/mainflux/logger"
"github.com/mainflux/mainflux/pkg/messaging"
"github.com/mainflux/mainflux/twins"
)
var _ twins.Service = (*loggingMiddleware)(nil)
type loggingMiddleware struct {
logger log.Logger
svc twins.Service
}
// LoggingMiddleware adds logging facilities to the core service.
func LoggingMiddleware(svc twins.Service, logger log.Logger) twins.Service {
return &loggingMiddleware{logger, svc}
}
func (lm *loggingMiddleware) AddTwin(ctx context.Context, token string, twin twins.Twin, def twins.Definition) (tw twins.Twin, err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method add_twin for token %s and twin %s took %s to complete", token, twin.ID, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.AddTwin(ctx, token, twin, def)
}
func (lm *loggingMiddleware) UpdateTwin(ctx context.Context, token string, twin twins.Twin, def twins.Definition) (err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method update_twin for token %s and twin %s took %s to complete", token, twin.ID, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.UpdateTwin(ctx, token, twin, def)
}
func (lm *loggingMiddleware) ViewTwin(ctx context.Context, token, twinID string) (tw twins.Twin, err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method view_twin for token %s and twin %s took %s to complete", token, twinID, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.ViewTwin(ctx, token, twinID)
}
func (lm *loggingMiddleware) ListTwins(ctx context.Context, token string, offset uint64, limit uint64, name string, metadata twins.Metadata) (page twins.Page, err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method list_twins for token %s took %s to complete", token, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.ListTwins(ctx, token, offset, limit, name, metadata)
}
func (lm *loggingMiddleware) SaveStates(msg *messaging.Message) (err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method save_states took %s to complete", time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.SaveStates(msg)
}
func (lm *loggingMiddleware) ListStates(ctx context.Context, token string, offset uint64, limit uint64, twinID string) (page twins.StatesPage, err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method list_states for token %s took %s to complete", token, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.ListStates(ctx, token, offset, limit, twinID)
}
func (lm *loggingMiddleware) RemoveTwin(ctx context.Context, token, twinID string) (err error) {
defer func(begin time.Time) {
message := fmt.Sprintf("Method remove_twin for token %s and twin %s took %s to complete", token, twinID, time.Since(begin))
if err != nil {
lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
return
}
lm.logger.Info(fmt.Sprintf("%s without errors.", message))
}(time.Now())
return lm.svc.RemoveTwin(ctx, token, twinID)
}