apskel-pos-backend/internal/middlewares/logger.go

package middlewares

import (
	"fmt"
	"time"

	"github.com/gin-gonic/gin"

	"furtuna-be/internal/common/request"
)

type ConfigLogger interface {
	IsLoggerEnabled() bool
}

func Logger(c ConfigLogger) gin.HandlerFunc {
	if !c.IsLoggerEnabled() {
		return func(ctx *gin.Context) {
			ctx.Next()
		}
	}

	return gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
		var parsedReqInfo request.RequestInfo

		if reqInfo, exists := param.Keys[request.ReqInfoKey]; exists {
			if castedReqInfo, ok := reqInfo.(request.RequestInfo); ok {
				parsedReqInfo = castedReqInfo
			}
		}

		return fmt.Sprintf(
			"%s - [HTTP] TraceId: %s; UserId: %d; Method: %s; Path: %s; Status: %d; Latency: %s;\n\n",
			param.TimeStamp.Format(time.RFC1123),
			parsedReqInfo.TraceId,
			parsedReqInfo.UserId,
			param.Method,
			param.Path,
			param.StatusCode,
			param.Latency,
		)
	})
}