/
logging.go
96 lines (80 loc) · 1.7 KB
/
logging.go
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package main
import (
"github.com/go-kit/kit/log"
"time"
)
// loggingMiddleware Make a new type
// that contains Service interface and logger instance
type loggingMiddleware struct {
Service
logger log.Logger
}
// LoggingMiddleware make logging middleware
func LoggingMiddleware(logger log.Logger) ServiceMiddleware {
return func(next Service) Service {
return loggingMiddleware{next, logger}
}
}
func (mw loggingMiddleware) Add(a, b int) (ret int) {
defer func(beign time.Time) {
mw.logger.Log(
"function", "Add",
"a", a,
"b", b,
"result", ret,
"took", time.Since(beign),
)
}(time.Now())
ret = mw.Service.Add(a, b)
return ret
}
func (mw loggingMiddleware) Subtract(a, b int) (ret int) {
defer func(beign time.Time) {
mw.logger.Log(
"function", "Subtract",
"a", a,
"b", b,
"result", ret,
"took", time.Since(beign),
)
}(time.Now())
ret = mw.Service.Subtract(a, b)
return ret
}
func (mw loggingMiddleware) Multiply(a, b int) (ret int) {
defer func(beign time.Time) {
mw.logger.Log(
"function", "Multiply",
"a", a,
"b", b,
"result", ret,
"took", time.Since(beign),
)
}(time.Now())
ret = mw.Service.Multiply(a, b)
return ret
}
func (mw loggingMiddleware) Divide(a, b int) (ret int, err error) {
defer func(beign time.Time) {
mw.logger.Log(
"function", "Divide",
"a", a,
"b", b,
"result", ret,
"took", time.Since(beign),
)
}(time.Now())
ret, err = mw.Service.Divide(a, b)
return
}
func (mw loggingMiddleware) HealthCheck() (result bool) {
defer func(begin time.Time) {
mw.logger.Log(
"function", "HealthChcek",
"result", result,
"took", time.Since(begin),
)
}(time.Now())
result = mw.Service.HealthCheck()
return
}