43 lines
972 B
Go
43 lines
972 B
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/consumers"
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log "github.com/mainflux/mainflux/logger"
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)
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var _ consumers.Consumer = (*loggingMiddleware)(nil)
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type loggingMiddleware struct {
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logger log.Logger
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consumer consumers.Consumer
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}
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// LoggingMiddleware adds logging facilities to the adapter.
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func LoggingMiddleware(consumer consumers.Consumer, logger log.Logger) consumers.Consumer {
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return &loggingMiddleware{
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logger: logger,
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consumer: consumer,
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}
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}
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func (lm *loggingMiddleware) Consume(msgs interface{}) (err error) {
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defer func(begin time.Time) {
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message := fmt.Sprintf("Method consume took %s to complete", 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.consumer.Consume(msgs)
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}
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