/
appLogger.go
55 lines (48 loc) · 1.39 KB
/
appLogger.go
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// Package api :: appLogger.go - logging handlers
package api
import (
"log"
"net/http"
"os"
"time"
"github.com/urfave/negroni"
)
// AppLoggerResponseWriter implements http.ResponseWriter
type AppLoggerResponseWriter struct {
http.ResponseWriter
StatusCode int
}
// WriteHeader implements http.ResponseWriter interface
func (alw *AppLoggerResponseWriter) WriteHeader(code int) {
alw.ResponseWriter.WriteHeader(code)
alw.StatusCode = code
}
// AppLogger is a middleware handler returns http.HandlerFunc
func AppLogger(handler http.Handler, name string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
appLoggerWriter := &AppLoggerResponseWriter{
ResponseWriter: w,
}
handler.ServeHTTP(appLoggerWriter, r)
statusCode := appLoggerWriter.StatusCode
statusText := http.StatusText(statusCode)
elapsed := time.Since(start) // time.Duration
log.Printf(
"[%s] %s %s | %v - %v %s",
name,
r.Method,
r.RequestURI,
elapsed,
statusCode,
statusText,
)
})
}
// NewLogger returns a new negroni.Logger instance
func NewLogger(prefix string) *negroni.Logger {
logger := &negroni.Logger{ALogger: log.New(os.Stdout, prefix, 0)}
logger.SetDateFormat(negroni.LoggerDefaultDateFormat)
logger.SetFormat("{{.StartTime}} {{.Request.Proto}} {{.Hostname}} | {{.Method}} {{.Path}} | {{.Status}} | {{.Duration}} \n")
return logger
}