V7 basic router

coolfacts/cmd/coolfacts_server/main.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/FTBpro/go-workshop/coolfacts/coolfact"
+	"github.com/FTBpro/go-workshop/coolfacts/coolhttp"
 	"github.com/FTBpro/go-workshop/coolfacts/inmem"
 )
 
@@ -16,10 +17,13 @@ func main() {
 	factsRepo := inmem.NewFactsRepository(seedFacts()...)
 	service := coolfact.NewService(factsRepo)
 	server := NewServer(service)
+	router := coolhttp.NewRouter()
+	router.SetNotFoundHandler(server.HandleNotFound)
+	server.RegisterRouter(router)
 
 	log.Println("starting server on port 9002")
 	log.Println("You can go to http://127.0.0.1:9002/ping")
-	if err := http.ListenAndServe(":9002", server); err != nil {
+	if err := http.ListenAndServe(":9002", router); err != nil {
 		panic(fmt.Errorf("server crashed! err: %w", err))
 	}
 }

coolfacts/cmd/coolfacts_server/server.go

@@ -6,12 +6,15 @@ import (
 	"log"
 	"net/http"
 	"strconv"
-	"strings"
 	"time"
 
 	"github.com/FTBpro/go-workshop/coolfacts/coolfact"
 )
 
+type Router interface {
+	Handle(method, path string, handler http.HandlerFunc)
+}
+
 type FactsService interface {
 	GetFacts(filters coolfact.Filters) ([]coolfact.Fact, error)
 	CreateFact(fact coolfact.Fact) error
@@ -40,29 +43,8 @@ func NewServer(factsService FactsService) *server {
 	}
 }
 
-func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	log.Println("incoming request", r.Method, r.URL.Path)
-
-	switch r.Method {
-	case http.MethodGet:
-		switch strings.ToLower(r.URL.Path) {
-		case "/ping":
-			s.HandlePing(w, r)
-		case "/facts":
-			s.HandleGetFacts(w, r)
-		default:
-			s.HandleNotFound(w, r)
-		}
-	case http.MethodPost:
-		switch strings.ToLower(r.URL.Path) {
-		case "/facts":
-			s.HandleCreateFact(w, r)
-		default:
-			s.HandleNotFound(w, r)
-		}
-	default:
-		s.HandleNotFound(w, r)
-	}
+func (s *server) RegisterRouter(router Router) {
+	// TODO: implement
 }
 
 func (s *server) HandlePing(w http.ResponseWriter, _ *http.Request) {

coolfacts/coolhttp/router.go

@@ -0,0 +1,25 @@
+package coolhttp
+
+import (
+	"net/http"
+)
+
+type router struct {
+	notFoundHandler http.HandlerFunc
+}
+
+func NewRouter() *router {
+	return &router{}
+}
+
+func (r *router) SetNotFoundHandler(handler http.HandlerFunc) {
+	r.notFoundHandler = handler
+}
+
+func (r *router) Handle(method, path string, handler http.HandlerFunc) {
+	// TODO: implement
+}
+
+func (r *router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	// TODO: implement
+}