feat(router): use new smalltrip APIs

router/router.go

@@ -5,7 +5,6 @@ import (
 	"io/fs"
 	"log/slog"
 	"net/http"
-	"strings"
 
 	"code.capytal.cc/capytal/comicverse/service"
 	"code.capytal.cc/capytal/comicverse/templates"
@@ -89,8 +88,16 @@ func (router *router) setup() http.Handler {
 
 	log.Debug("Initializing router")
 
+	mux := multiplexer.New()
+	mux = multiplexer.WithFormMethod(mux, "x-method")
+	mux = multiplexer.WithPatternRules(mux,
+		multiplexer.EnsureMethod(),
+		multiplexer.EnsureStrictEnd(),
+		multiplexer.EnsureTrailingSlash(),
+	)
+
 	r := smalltrip.NewRouter(
-		smalltrip.WithAssertions(router.assert),
+		smalltrip.WithMultiplexer(mux),
 		smalltrip.WithLogger(log.WithGroup("smalltrip")),
 	)
 
@@ -116,11 +123,11 @@ func (router *router) setup() http.Handler {
 	})
 	projectController := newProjectController(router.projectService, router.templates, router.assert)
 
-	r.Handle("/assets/", http.StripPrefix("/assets/", http.FileServerFS(router.assets)))
+	r.Handle("GET /assets/{_file...}", http.StripPrefix("/assets/", http.FileServerFS(router.assets)))
 
 	r.Use(userController.userMiddleware)
 
-	r.HandleFunc("/{$}", func(w http.ResponseWriter, r *http.Request) {
+	r.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) {
 		// TODO: Add a way to the user to bypass this check and see the landing page.
 		//       Probably a query parameter to bypass like "?landing=true"
 		if _, ok := NewUserContext(r.Context()).GetUserID(); ok {
@@ -134,8 +141,10 @@ func (router *router) setup() http.Handler {
 		}
 	})
 
-	r.HandleFunc("/login/{$}", userController.login)
-	r.HandleFunc("/register/{$}", userController.register)
+	r.HandleFunc("GET /login/{$}", userController.login)
+	r.HandleFunc("POST /login/{$}", userController.login)
+	r.HandleFunc("GET /register/{$}", userController.register)
+	r.HandleFunc("POST /register/{$}", userController.register)
 
 	// TODO: Provide/redirect short project-id paths to long paths with the project title as URL /projects/title-of-the-project-<start of uuid>
 	r.HandleFunc("GET /p/{projectID}/{$}", projectController.getProject)
@@ -143,14 +152,3 @@ func (router *router) setup() http.Handler {
 
 	return r
 }
-
-// getMethod is a helper function to get the HTTP method of request, tacking precedence
-// the "x-method" argument sent by requests via form or query values.
-func getMethod(r *http.Request) string {
-	m := r.FormValue("x-method")
-	if m != "" {
-		return strings.ToUpper(m)
-	}
-
-	return strings.ToUpper(r.Method)
-}