add template func for listing languages

web/handlers/http.go

@@ -7,6 +7,7 @@ import (
 	"html/template"
 	"net/http"
 	"net/url"
+  "strings"
 	"time"
 
 	"github.com/go-kit/kit/log/level"
@@ -122,6 +123,37 @@ func New(
 			}
 		}),
 
+		render.InjectTemplateFunc("listLanguages", func(r *http.Request) interface{} {
+      urlTo := web.NewURLTo(m)
+      route := urlTo(router.CompleteSetLanguage).String()
+      csrfElement := csrf.TemplateField(r)
+
+      createFormElement := func (tag, translation string) string {
+        return fmt.Sprintf(`
+            <form
+              action="%s"
+              method="POST"
+              >
+              %s
+              <input type="hidden" name="lang" value="%s">
+              <input
+                type="submit"
+                value="%s"
+                class="text-gray-500 hover:underline"
+                />
+            </form>
+            `, route, csrfElement, tag, translation)
+      }
+      return func () template.HTML {
+        languages := locHelper.ListLanguages()
+        languageOptions := make([]string, len(languages))
+        for tag, translation := range languages {
+          languageOptions = append(languageOptions, createFormElement(tag, translation))
+        }
+        return (template.HTML)(strings.Join(languageOptions, "\n"))
+      }
+    }),
+
 		render.InjectTemplateFunc("urlToNotice", func(r *http.Request) interface{} {
 			return func(name string) *url.URL {
 				noticeName := roomdb.PinnedNoticeName(name)
@@ -237,6 +269,11 @@ func New(
 	)
 	mainMux.Handle("/admin/", members.AuthenticateFromContext(r)(adminHandler))
 
+  // handle setting language
+  m.Get(router.CompleteSetLanguage).HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+    fmt.Println("set das language jaaa")
+  })
+
 	// landing page
 	m.Get(router.CompleteIndex).Handler(r.HTML("landing/index.tmpl", func(w http.ResponseWriter, req *http.Request) (interface{}, error) {
 		// TODO: try websocket upgrade (issue #)

web/router/complete.go

@@ -14,6 +14,8 @@ const (
 	CompleteNoticeShow = "complete:notice:show"
 	CompleteNoticeList = "complete:notice:list"
 
+  CompleteSetLanguage = "complete:set-language"
+
 	CompleteAliasResolve = "complete:alias:resolve"
 
 	CompleteInviteFacade         = "complete:invite:accept"
@@ -42,5 +44,7 @@ func CompleteApp() *mux.Router {
 	m.Path("/notice/show").Methods("GET").Name(CompleteNoticeShow)
 	m.Path("/notice/list").Methods("GET").Name(CompleteNoticeList)
 
+	m.Path("/set-language").Methods("POST").Name(CompleteSetLanguage)
+
 	return m
 }

web/templates/base.tmpl

@@ -95,16 +95,8 @@
           class="mb-2 mx-auto px-3 py-1 text-gray-500 w-32 rounded shadow bg-gray-50 ring-1 ring-gray-300 hover:bg-gray-100 cursor-pointer">
           Language
           </summary>
-          <div
-           class="grid grid-cols-2 justify-items-center gap-x-1">
-            <a href="" class="text-gray-500 bold hover:underline">English</a>
-            <a href="" class="text-gray-500 hover:underline">Hmong</a>
-            <a href="" class="text-gray-500 hover:underline">Унáҥам Тунý</a>
-            <a href="" class="text-gray-500 hover:underline">Suomi</a>
-            <a href="" class="text-gray-500 hover:underline">Русский</a>
-            <a href="" class="text-gray-500 hover:underline">xapaitíiso</a>
-            <a href="" class="text-gray-500 hover:underline">Português</a>
-            <a href="" class="text-gray-500 hover:underline">Svenska</a>
+          <div class="grid grid-cols-2 justify-items-center gap-x-1">
+           {{ listLanguages }}
           </div>
         </details>
       </div>