Split and optimize gin logger

Signed-off-by: Asai Neko <sugar@sne.moe>

logger/logrus.go

@@ -2,7 +2,6 @@ package logger
 
 import (
 	"os"
-	"time"
 
 	"github.com/gin-gonic/gin"
 	log "github.com/sirupsen/logrus"
@@ -35,26 +34,3 @@ func Init() {
 		gin.SetMode(gin.ReleaseMode)
 	}
 }
-
-func Gin() gin.HandlerFunc {
-	return func(ctx *gin.Context) {
-		startTime := time.Now()
-		ctx.Next()
-		endTime := time.Now()
-		latencyTime := endTime.Sub(startTime)
-		reqMethod := ctx.Request.Method
-		reqUri := ctx.Request.RequestURI
-		statusCode := ctx.Writer.Status()
-		clientIP := ctx.ClientIP()
-
-		log.WithFields(log.Fields{
-			"METHOD":    reqMethod,
-			"URI":       reqUri,
-			"STATUS":    statusCode,
-			"LATENCY":   latencyTime,
-			"CLIENT_IP": clientIP,
-		}).Info("HTTP REQUEST")
-
-		ctx.Next()
-	}
-}