Mainflux.mainflux/readers/api/logging.go

43 lines
1009 B
Go

//
// Copyright (c) 2018
// Mainflux
//
// SPDX-License-Identifier: Apache-2.0
//
// +build !test
package api
import (
"fmt"
"time"
"github.com/mainflux/mainflux"
"github.com/mainflux/mainflux/logger"
"github.com/mainflux/mainflux/readers"
)
var _ readers.MessageRepository = (*loggingMiddleware)(nil)
type loggingMiddleware struct {
logger logger.Logger
svc readers.MessageRepository
}
// LoggingMiddleware adds logging facilities to the core service.
func LoggingMiddleware(svc readers.MessageRepository, logger logger.Logger) readers.MessageRepository {
return &loggingMiddleware{
logger: logger,
svc: svc,
}
}
func (lm *loggingMiddleware) ReadAll(chanID string, offset, limit uint64, query map[string]string) []mainflux.Message {
defer func(begin time.Time) {
lm.logger.Info(fmt.Sprintf(`Method read_all for offset %d and limit %d took %s to complete without errors.`, offset, limit, time.Since(begin)))
}(time.Now())
return lm.svc.ReadAll(chanID, offset, limit, query)
}