43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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//go:build !test
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package api
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import (
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"fmt"
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"time"
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"github.com/mainflux/mainflux/logger"
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"github.com/mainflux/mainflux/readers"
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)
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var _ readers.MessageRepository = (*loggingMiddleware)(nil)
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type loggingMiddleware struct {
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logger logger.Logger
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svc readers.MessageRepository
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}
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// LoggingMiddleware adds logging facilities to the core service.
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func LoggingMiddleware(svc readers.MessageRepository, logger logger.Logger) readers.MessageRepository {
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return &loggingMiddleware{
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logger: logger,
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svc: svc,
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}
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}
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func (lm *loggingMiddleware) ReadAll(chanID string, rpm readers.PageMetadata) (page readers.MessagesPage, err error) {
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defer func(begin time.Time) {
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message := fmt.Sprintf("Method read_all for channel %s with query %v took %s to complete", chanID, rpm, time.Since(begin))
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if err != nil {
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lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
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return
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}
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lm.logger.Info(fmt.Sprintf("%s without errors.", message))
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}(time.Now())
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return lm.svc.ReadAll(chanID, rpm)
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}
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