Use generated interface

cmd/web/routes.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	api "code.dlmw.ch/dlmw/qv/internal"
 	"code.dlmw.ch/dlmw/qv/internal/models"
 	"code.dlmw.ch/dlmw/qv/ui"
 	"github.com/justinas/alice"
@@ -21,8 +22,10 @@ func (app *application) routes() http.Handler {
 	mux.Handle("GET /static/", http.FileServerFS(ui.Files))
 	mux.HandleFunc("GET /election/create", app.createElectionPage)
 
-	mux.HandleFunc("POST /election", app.createElection)
-	mux.HandleFunc("POST /election/{id}/votes", app.createVotes)
+	api.HandlerWithOptions(app, api.StdHTTPServerOptions{
+		BaseRouter:       mux,
+		ErrorHandlerFunc: app.badRequestError,
+	})
 
 	standard := alice.New(app.recoverPanic, app.logRequest)
 	return standard.Then(mux)