added refresh db capability and did some refactoring

main.go

@@ -7,20 +7,25 @@ import (
 	"gitea.ewpt3ch.dev/ewpt3ch/pkgstash/internal/cache"
 )
 
-const repoRoot = "/home/ewpt3ch/dev/pacman-cache-server/tmprepo"
+type Server struct {
+	cfg *Config
+	c   *cache.Cache
+}
 
 func main() {
-	const port = "8090"
 	cfg := NewConfig()
-	c := cache.NewCache(cfg.RepoPath, cfg.MirrorURL)
+	c := cache.NewCache(cfg.MirrorRoot, cfg.MirrorURL)
+	srv := &Server{cfg: cfg, c: c}
 
 	mux := http.NewServeMux()
-	mux.HandleFunc("GET /{repo}/os/{arch}/{file}", func(w http.ResponseWriter, req *http.Request) {
-		handlePackage(w, req, c)
-	})
+	mux.HandleFunc("GET /{repo}/os/{arch}/{file}", srv.handlePackage)
+
+	if err := srv.c.Refresh(); err != nil {
+		log.Fatal(err)
+	}
 
 	httpServe := &http.Server{
-		Addr:    ":" + port,
+		Addr:    ":" + srv.cfg.Port,
 		Handler: mux,
 	}