go-music-player/music-player/pkg/server/handler.go

package server

import (
	"net/http"

	"github.com/felamaslen/go-music-player/pkg/logger"
	"github.com/go-redis/redis/v7"
)

type RouteHandler func (l *logger.Logger, rdb *redis.Client, w http.ResponseWriter, r *http.Request) error

func routeHandler(
  l *logger.Logger,
  rdb *redis.Client,
  handler RouteHandler,
) func(w http.ResponseWriter, r *http.Request) {

  return func(w http.ResponseWriter, r *http.Request) {
    err := handler(l, rdb, w, r)

    if err != nil {
      l.Error("Unhandled error during request: %v\n", err)

      w.WriteHeader(500)
      w.Write([]byte("Unhandled error"))
    }
  }
}