Use a URLFor route resolver helper

Now, routes are only specified at one central place and referenced
everywhere else in the code.

templates/user/index.html

@@ -9,7 +9,7 @@
 		{{template "flashes" .}}
 
 		<div class="well well-xs">
-			<form action="/user/logout" method="post">
+			<form action="{{URLFor "user/logout"}}" method="post">
 				<input type="hidden" name="_csrf" value="{{.csrf_token}}" />
 				<button type="submit" class="btn btn-default">{{.i18n.Tr "user.logout"}}</button>
 			</form>

templates/user/login.html

@@ -8,7 +8,7 @@
 	<div class="col-sm-4 col-sm-push-4">
 		<div class="well well-xs">
 			{{template "flashes" .}}
-			<form action="/user/login" method="post">
+			<form action="{{URLFor "user/login"}}" method="post">
 				<div class="form-group">
 					<label for="username">{{.i18n.Tr "user.username"}}</label>
 					<input type="text" name="username" id="username" placeholder="{{.i18n.Tr "user.username_example"}}" class="form-control" autofocus />
@@ -22,6 +22,7 @@
 				<input type="hidden" name="_csrf" value="{{.csrf_token}}" />
 
 				<button type="submit" class="btn btn-default"><span class="glyphicon glyphicon-log-in"></span> {{.i18n.Tr "user.sign_in"}}</button>
+				<a href="{{URLFor "user/resetpw"}}" class="btn btn-link pull-right">{{.i18n.Tr "user.lost_pw"}}</a>
 			</form>
 		</div>
 	</div>

ucp.go

@@ -6,6 +6,7 @@ import (
 	"github.com/barnslig/ucp/Godeps/_workspace/src/github.com/go-macaron/i18n"
 	"github.com/barnslig/ucp/Godeps/_workspace/src/github.com/go-macaron/session"
 	"github.com/barnslig/ucp/Godeps/_workspace/src/gopkg.in/macaron.v1"
+	"html/template"
 	"net/http"
 
 	"github.com/barnslig/ucp/authprovider"
@@ -32,7 +33,11 @@ func CreateUCP(cfg UCPConfig) (ucp *UCP) {
 		Langs: []string{"en-US", "de-DE"},
 		Names: []string{"English", "Deutsch"},
 	}))
-	m.Use(macaron.Renderer())
+	m.Use(macaron.Renderer(macaron.RenderOptions{
+		Funcs: []template.FuncMap{map[string]interface{}{
+			"URLFor": m.URLFor,
+		}},
+	}))
 	m.Use(session.Sessioner())
 	m.Use(csrf.Csrfer())
 	m.Use(func(ctx *macaron.Context, x csrf.CSRF) {
@@ -52,13 +57,14 @@ func CreateUCP(cfg UCPConfig) (ucp *UCP) {
 	})
 
 	m.Group("/user", func() {
-		m.Get("/", UserGet)
+		m.Get("/", UserGet).Name("user")
 
 		m.Combo("/login").
 			Get(UserGetLogin).
-			Post(csrf.Validate, binding.BindIgnErr(UserLoginForm{}), UserPostLogin)
+			Post(csrf.Validate, binding.BindIgnErr(UserLoginForm{}), UserPostLogin).
+			Name("user/login")
 
-		m.Post("/logout", csrf.Validate, UserPostLogout)
+		m.Post("/logout", csrf.Validate, UserPostLogout).Name("user/logout")
 	})
 
 	panic(http.ListenAndServe(ucp.cfg.HttpListen, m))

user.go

@@ -16,7 +16,7 @@ type UserLoginForm struct {
 func UserGet(ctx *macaron.Context, sess session.Store, f *session.Flash) {
 	if sess.Get("user") == nil {
 		f.Error(ctx.Tr("user.not_authenticated"))
-		ctx.Redirect("/user/login")
+		ctx.Redirect(ctx.URLFor("user/login"))
 		return
 	}
 
@@ -26,7 +26,7 @@ func UserGet(ctx *macaron.Context, sess session.Store, f *session.Flash) {
 
 func UserGetLogin(ctx *macaron.Context, sess session.Store) {
 	if sess.Get("user") != nil {
-		ctx.Redirect("/user")
+		ctx.Redirect(ctx.URLFor("user"))
 		return
 	}
 
@@ -36,14 +36,14 @@ func UserGetLogin(ctx *macaron.Context, sess session.Store) {
 func UserPostLogin(ctx *macaron.Context, sess session.Store, f *session.Flash, errs binding.Errors, postData UserLoginForm, auth authprovider.AuthProvider) {
 	if len(errs) > 0 {
 		f.Error(ctx.Tr("user.invalid_credentials"))
-		ctx.Redirect("/user/login")
+		ctx.Redirect(ctx.URLFor("user/login"))
 		return
 	}
 
 	user, err := auth.Authenticate(postData.Username, postData.Password)
 	if err != nil {
 		f.Error(ctx.Tr("user.invalid_credentials"))
-		ctx.Redirect("/user/login")
+		ctx.Redirect(ctx.URLFor("user/login"))
 		return
 	}
 
@@ -54,5 +54,5 @@ func UserPostLogin(ctx *macaron.Context, sess session.Store, f *session.Flash, e
 func UserPostLogout(ctx *macaron.Context, sess session.Store, f *session.Flash) {
 	sess.Set("user", nil)
 	f.Success(ctx.Tr("user.logout_success"))
-	ctx.Redirect("/user/login")
+	ctx.Redirect(ctx.URLFor("user/login"))
 }