extremely basic routing

main.go

@@ -1,5 +1,50 @@
 package main
 
-func main() {
+import (
+	"log"
+	"net/http"
+	"time"
+)
 
+type SessionProvider interface {
+	Create(user User, expr time.Duration) (string, error)
+	Get(key string) (User, error)
+	Refresh(key string, user User, expr time.Duration) error
+}
+
+type PageProvider interface {
+	Page(key string) (*Page, error)
+	Save(key string, page *Page) error
+}
+
+type RootHandler struct {
+	Sessions SessionProvider
+	Pages    PageProvider
+}
+
+func (h *RootHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.URL.Path == "/admin" {
+		w.Write([]byte("admin route"))
+		return
+	}
+	page, err := h.Pages.Page(r.URL.Path)
+	if err == ErrPageNotFound {
+		w.WriteHeader(http.StatusNotFound)
+		w.Write([]byte("not found"))
+		return
+	}
+	w.Write(page.Contents)
+}
+
+func main() {
+	handler := &RootHandler{
+		Sessions: &Sessions{},
+		Pages:    &Index{},
+	}
+	handler.Pages.Save("foo", &Page{
+		Contents: []byte("foobar"),
+	})
+
+	err := http.ListenAndServe(":8080", handler)
+	log.Fatalf("server error: %v", err)
 }

session.go

@@ -10,11 +10,6 @@ import (
 
 var ErrInvalidSession = fmt.Errorf("session not found")
 
-type User struct {
-	Name  string
-	Roles []string
-}
-
 type Sess struct {
 	User User
 	expr time.Time

users.go

@@ -8,6 +8,11 @@ import (
 
 var ErrUserNotFound = fmt.Errorf("user not found")
 
+type User struct {
+	Name  string
+	Roles []string
+}
+
 type storeUser struct {
 	name         string
 	roles        []string