Remove multi-lingual support from frontend

frontend/next.config.js

@@ -15,11 +15,6 @@ const {
 
 const nextConfig = {
   output: "standalone",
-  i18n: {
-    locales: ["default", "en", "it"],
-    defaultLocale: "default",
-    localeDetection: false,
-  },
   trailingSlash: false,
   cacheHandler:
     process.env.VERCEL_ENV === "preview"

frontend/src/components/header/index.tsx

@@ -2,14 +2,11 @@ import { NavBar } from "@python-italia/pycon-styleguide";
 import type { Action } from "@python-italia/pycon-styleguide/dist/navbar/types";
 import React, { useEffect, useState } from "react";
 
-import { useRouter } from "next/router";
-
 import { useLoginState } from "~/components/profile/hooks";
 import { getTranslatedMessage } from "~/helpers/use-translated-message";
 import { useCurrentLanguage } from "~/locale/context";
 import { useHeaderQuery } from "~/types";
 
-import { createHref } from "../link";
 import { Logo, MobileLogo } from "../logo";
 
 export const Header = () => {
@@ -21,25 +18,14 @@ export const Header = () => {
       code: process.env.conferenceCode!,
     },
   });
-  const { route, query } = useRouter();
 
   useEffect(() => {
     setIsReady(true);
   }, []);
 
   const {
-    conference: {
-      conferenceMenuEn,
-      programMenuEn,
-      conferenceMenuIt,
-      programMenuIt,
-      isRunning,
-      currentDay,
-    },
+    conference: { conferenceMenuEn, programMenuEn, isRunning },
   } = data || { conference: {} };
-  // const hasSomethingLive = currentDay?.rooms?.some(
-  //   (room) => !!room.streamingUrl,
-  // );
 
   const actions: Action[] = [
     isRunning
@@ -65,19 +51,8 @@ export const Header = () => {
     },
   ];
 
-  const conferenceMenu =
-    language === "it" ? conferenceMenuIt : conferenceMenuEn;
-  const programMenu = language === "it" ? programMenuIt : programMenuEn;
-
-  const mainLinks = conferenceMenu?.links ?? [];
-  const secondaryLinks = programMenu?.links ?? [];
-
-  const languageSwitchHref = createHref({
-    path: route,
-    params: query,
-    locale: language === "it" ? "en" : "it",
-    external: false,
-  });
+  const mainLinks = conferenceMenuEn?.links ?? [];
+  const secondaryLinks = programMenuEn?.links ?? [];
 
   return (
     <header>
@@ -87,10 +62,6 @@ export const Header = () => {
         actions={actions}
         logo={Logo}
         mobileLogo={MobileLogo}
-        bottomBarLink={{
-          text: getTranslatedMessage("header.switchLanguage", language),
-          link: languageSwitchHref,
-        }}
       />
     </header>
   );

frontend/src/components/link/index.tsx

@@ -3,12 +3,11 @@ import type { ParsedUrlQuery } from "querystring";
 export const createHref = ({
   path,
   params,
-  locale,
   external,
 }: {
   path: string;
   params?: ParsedUrlQuery;
-  locale: string;
+  locale?: string;
   external?: boolean;
 }) => {
   if (external) {
@@ -37,7 +36,5 @@ export const createHref = ({
     .map(([key, value]) => `${key}=${value}`)
     .join("&");
 
-  return `/${locale}${resolvedPath}${
-    queryParams.length > 0 ? `?${queryParams}` : ""
-  }`;
+  return `${resolvedPath}${queryParams.length > 0 ? `?${queryParams}` : ""}`;
 };

frontend/src/components/meta-tags/index.tsx

@@ -12,16 +12,12 @@ type Props = {
   useDefaultSocialCard?: boolean;
 };
 
-const getSocialCardURL = (
-  asPath: string,
-  useDefaultSocialCard: boolean,
-  locale: string,
-) => {
+const getSocialCardURL = (asPath: string, useDefaultSocialCard: boolean) => {
   if (useDefaultSocialCard) {
-    return `${process.env.NEXT_PUBLIC_SITE_URL}api/${locale}/social-card`;
+    return `${process.env.NEXT_PUBLIC_SITE_URL}api/social-card`;
   }
 
-  return `${process.env.NEXT_PUBLIC_SITE_URL}api/${locale}/${asPath.substring(
+  return `${process.env.NEXT_PUBLIC_SITE_URL}api/${asPath.substring(
     1,
   )}/social-card`;
 };
@@ -33,8 +29,8 @@ export const MetaTags = ({
   children,
 }: React.PropsWithChildren<Props>) => {
   const language = useCurrentLanguage();
-  const { asPath, locale } = useRouter();
-  const socialCard = getSocialCardURL(asPath, useDefaultSocialCard, locale);
+  const { asPath } = useRouter();
+  const socialCard = getSocialCardURL(asPath, useDefaultSocialCard);
 
   const titleTemplate = messages[language].titleTemplate;
 

frontend/src/components/page-handler/page-static-props.ts

@@ -3,6 +3,7 @@ import type { GetStaticProps } from "next";
 import { addApolloState, getApolloClient } from "~/apollo/client";
 import { blocksDataFetching } from "~/components/blocks-renderer";
 import { prefetchSharedQueries } from "~/helpers/prefetch";
+import { DEFAULT_LOCALE } from "~/locale/languages";
 import {
   type PagePreviewQuery,
   type PageQuery,

frontend/src/locale/context.tsx

@@ -1,28 +1,13 @@
 import React from "react";
 
-import cookies from "next-cookies";
-import { useRouter } from "next/router";
-
-import type { Language } from "~/locale/languages";
+import { DEFAULT_LOCALE, type Language } from "~/locale/languages";
 
 export const LocaleProvider = ({
   children,
 }: React.PropsWithChildren<{ lang: string }>) => {
-  const language = useCurrentLanguage();
-
-  React.useEffect(() => {
-    const { pyconLocale } = cookies({
-      req: { headers: { cookie: document.cookie } },
-    });
-    if (language !== pyconLocale) {
-      document.cookie = `pyconLocale=${language}; path=/`;
-    }
-  }, [language]);
-
   return <>{children}</>;
 };
 
-export const useCurrentLanguage = () => {
-  const { locale } = useRouter();
-  return locale as Language;
+export const useCurrentLanguage = (): Language => {
+  return DEFAULT_LOCALE;
 };