fix: junk email + email verification page

messages/en.json

@@ -116,6 +116,16 @@
     "transitFeedsRedirectTitle": "You've been redirected from TransitFeeds",
     "transitFeedsRedirectBody": "This page now lives on MobilityDatabase.org, where you'll find the most up-to-date transit data."
   },
+  "emailVerification": {
+    "loadingTitle": "Verifying your email",
+    "loadingDescription": "Please wait while we confirm your email address.",
+    "successTitle": "Email verified",
+    "successDescription": "Your email address has been verified successfully. You can return to Mobility Database and continue using your account.",
+    "errorTitle": "Unable to verify email",
+    "errorDescription": "This verification link is invalid, incomplete, or has already been used.",
+    "invalidLink": "The verification link is missing required information.",
+    "verificationFailed": "We could not verify your email with this link."
+  },
   "feeds": {
     "feeds": "Feeds",
     "dataType": "Data Format",

messages/fr.json

@@ -116,6 +116,16 @@
     "transitFeedsRedirectTitle": "Vous avez été redirigé depuis TransitFeeds",
     "transitFeedsRedirectBody": "Cette page se trouve désormais sur MobilityDatabase.org, où vous trouverez les données de transit les plus récentes."
   },
+  "emailVerification": {
+    "loadingTitle": "Vérification de votre e-mail",
+    "loadingDescription": "Veuillez patienter pendant que nous confirmons votre adresse e-mail.",
+    "successTitle": "E-mail vérifié",
+    "successDescription": "Votre adresse e-mail a bien été vérifiée. Vous pouvez retourner sur Mobility Database et continuer à utiliser votre compte.",
+    "errorTitle": "Impossible de vérifier l'e-mail",
+    "errorDescription": "Ce lien de vérification est invalide, incomplet ou a déjà été utilisé.",
+    "invalidLink": "Le lien de vérification ne contient pas les informations requises.",
+    "verificationFailed": "Nous n'avons pas pu vérifier votre e-mail avec ce lien."
+  },
   "feeds": {
     "feeds": "Feeds",
     "dataType": "Data Format",

src/app/[locale]/email-verification/EmailVerificationContent.tsx

@@ -0,0 +1,101 @@
+'use client';
+
+import * as React from 'react';
+import CheckCircleOutlineIcon from '@mui/icons-material/CheckCircleOutline';
+import ErrorOutlineIcon from '@mui/icons-material/ErrorOutline';
+import {
+  Alert,
+  CircularProgress,
+  Stack,
+  Typography,
+  useTheme,
+} from '@mui/material';
+import { useTranslations } from 'next-intl';
+import { app } from '../../../firebase';
+import { ContentBox } from '../../components/ContentBox';
+
+type VerificationStatus = 'loading' | 'success' | 'error';
+
+interface EmailVerificationContentProps {
+  mode?: string;
+  oobCode?: string;
+}
+
+export default function EmailVerificationContent({
+  mode,
+  oobCode,
+}: EmailVerificationContentProps): React.ReactElement {
+  const t = useTranslations('emailVerification');
+  const theme = useTheme();
+  const [status, setStatus] = React.useState<VerificationStatus>('loading');
+  const [errorMessage, setErrorMessage] = React.useState<string | null>(null);
+
+  React.useEffect(() => {
+    const verifyEmail = async (): Promise<void> => {
+      if (mode !== 'verifyEmail' || oobCode == null || oobCode.length === 0) {
+        setStatus('error');
+        setErrorMessage(t('invalidLink'));
+        return;
+      }
+
+      try {
+        await app.auth().applyActionCode(oobCode);
+
+        setStatus('success');
+        setErrorMessage(null);
+      } catch {
+        setStatus('error');
+        setErrorMessage(t('verificationFailed'));
+      }
+    };
+
+    void verifyEmail();
+  }, [mode, oobCode]);
+
+  return (
+    <ContentBox
+      title=''
+      sx={{
+        display: 'flex',
+        justifyContent: 'center',
+        backgroundColor: theme.palette.background.paper,
+        maxWidth: theme.breakpoints.values.sm,
+        mx: 'auto',
+        mt: 6,
+      }}
+    >
+      <Stack spacing={3} alignItems='center' textAlign='center'>
+        {status === 'loading' ? (
+          <CircularProgress aria-label={t('loadingTitle')} />
+        ) : status === 'success' ? (
+          <CheckCircleOutlineIcon color='success' sx={{ fontSize: 56 }} />
+        ) : (
+          <ErrorOutlineIcon color='error' sx={{ fontSize: 56 }} />
+        )}
+
+        <Stack spacing={1.5}>
+          <Typography variant='h4' component='h1' sx={{ fontWeight: 700 }}>
+            {status === 'loading'
+              ? t('loadingTitle')
+              : status === 'success'
+                ? t('successTitle')
+                : t('errorTitle')}
+          </Typography>
+          <Typography variant='body1' color='text.secondary'>
+            {status === 'loading'
+              ? t('loadingDescription')
+              : status === 'success'
+                ? t('successDescription')
+                : t('errorDescription')}
+          </Typography>
+        </Stack>
+
+        {errorMessage != null && (
+          <Alert severity='error' variant='outlined' sx={{ width: '100%' }}>
+            {errorMessage}
+          </Alert>
+        )}
+      </Stack>
+    </ContentBox>
+  );
+}

src/app/[locale]/email-verification/page.tsx

@@ -0,0 +1,48 @@
+import { type ReactElement } from 'react';
+import { setRequestLocale } from 'next-intl/server';
+import { type Metadata } from 'next';
+import { type Locale, routing } from '../../../i18n/routing';
+import EmailVerificationContent from './EmailVerificationContent';
+
+export const metadata: Metadata = {
+  title: 'Email Verification | MobilityDatabase',
+  description:
+    'Verify your Mobility Database account email address through Firebase authentication.',
+  robots: {
+    index: false,
+    follow: false,
+    googleBot: {
+      index: false,
+      follow: false,
+      'max-image-preview': 'none',
+      'max-snippet': -1,
+      'max-video-preview': -1,
+    },
+  },
+};
+
+export function generateStaticParams(): Array<{
+  locale: Locale;
+}> {
+  return routing.locales.map((locale) => ({ locale }));
+}
+
+interface PageProps {
+  params: Promise<{ locale: string }>;
+  searchParams: Promise<{
+    mode?: string;
+    oobCode?: string;
+  }>;
+}
+
+export default async function EmailVerificationPage({
+  params,
+  searchParams,
+}: PageProps): Promise<ReactElement> {
+  const { locale } = await params;
+  const { mode, oobCode } = await searchParams;
+
+  setRequestLocale(locale as Locale);
+
+  return <EmailVerificationContent mode={mode} oobCode={oobCode} />;
+}