Add link previews

Change-Id: I1792958844c18b4f4a65356dd5a07e3b2b39fcbc
diff --git a/client/package.json b/client/package.json
index 3620108..7a23579 100644
--- a/client/package.json
+++ b/client/package.json
@@ -48,6 +48,8 @@
     "filesize": "^10.0.5",
     "framer-motion": "^7.3.5",
     "i18next": "^21.9.2",
+    "linkify-react": "^4.0.2",
+    "linkifyjs": "^4.0.2",
     "mime": "^3.0.0",
     "qrcode.react": "^3.1.0",
     "react": "^18.2.0",
diff --git a/client/src/components/CustomSelect.tsx b/client/src/components/CustomSelect.tsx
index c696eab..ca34d53 100644
--- a/client/src/components/CustomSelect.tsx
+++ b/client/src/components/CustomSelect.tsx
@@ -64,7 +64,7 @@
   padding: 0,
   paddingTop: '5px',
   paddingBottom: '8.5px',
-  zIndex: 1,
+  zIndex: 100,
   position: 'absolute',
   top: '-5px',
   listStyle: 'none',
diff --git a/client/src/components/Message.tsx b/client/src/components/Message.tsx
index a87d628..30339c9 100644
--- a/client/src/components/Message.tsx
+++ b/client/src/components/Message.tsx
@@ -15,19 +15,23 @@
  * License along with this program.  If not, see
  * <https://www.gnu.org/licenses/>.
  */
-import { Box, Chip, Divider, Stack, Tooltip, Typography } from '@mui/material';
+import { Box, Chip, Divider, Link, Stack, Tooltip, Typography } from '@mui/material';
 import { styled } from '@mui/material/styles';
 import dayjs, { Dayjs } from 'dayjs';
 import { Message } from 'jami-web-common';
+import Linkify from 'linkify-react';
+import * as linkify from 'linkifyjs';
 import { ReactElement, ReactNode, useCallback, useMemo, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
 import { Account } from '../models/account';
 import { Contact } from '../models/contact';
+import { useLinkPreviewQuery } from '../services/linkPreviewQueries';
 import { getMessageCallText, getMessageMemberText } from '../utils/chatmessages';
 import { formatRelativeDate, formatTime } from '../utils/dates&times';
 import { EmojiButton, MoreButton, ReplyMessageButton } from './Button';
 import ConversationAvatar from './ConversationAvatar';
+import LoadingPage from './Loading';
 import PopoverList, { PopoverListItemData } from './PopoverList';
 import {
   ArrowLeftCurved,
@@ -184,6 +188,68 @@
   );
 };
 
+type LinkPreviewProps = {
+  isAccountMessage: boolean;
+  link: string;
+};
+
+const LinkPreview = ({ isAccountMessage, link }: LinkPreviewProps) => {
+  const [imageIsWorking, setImageIsWorking] = useState(true);
+  const linkPreviewQuery = useLinkPreviewQuery(link);
+  if (linkPreviewQuery.isLoading) {
+    return <LoadingPage />;
+  }
+  if (!linkPreviewQuery.isSuccess) {
+    return null;
+  }
+  const linkPreview = linkPreviewQuery.data;
+
+  return (
+    <a href={link} style={{ textDecorationLine: 'none' }}>
+      <Stack>
+        {imageIsWorking && linkPreview.image && (
+          <img
+            style={{
+              padding: '15px 0',
+            }}
+            alt={linkPreview.title}
+            src={linkPreview.image}
+            onError={() => setImageIsWorking(false)}
+          />
+        )}
+        <Typography variant="body1" color={isAccountMessage ? '#cccccc' : 'black'}>
+          {linkPreview.title}
+        </Typography>
+        {linkPreview.description && (
+          <Typography variant="body1" sx={{ color: isAccountMessage ? '#ffffff' : '#005699' }}>
+            {linkPreview.description}
+          </Typography>
+        )}
+        <Typography variant="body1" color={isAccountMessage ? '#cccccc' : 'black'}>
+          {new URL(link).hostname}
+        </Typography>
+      </Stack>
+    </a>
+  );
+};
+
+type RenderLinkProps = {
+  attributes: {
+    isAccountMessage: boolean;
+    href: string;
+  };
+  content: ReactNode;
+};
+
+const RenderLink = ({ attributes, content }: RenderLinkProps) => {
+  const { href, isAccountMessage, ...props } = attributes;
+  return (
+    <Link href={href} {...props} variant="body1" color={isAccountMessage ? '#ffffff' : undefined}>
+      {content}
+    </Link>
+  );
+};
+
 interface MessageTextProps {
   message: Message;
   isAccountMessage: boolean;
@@ -195,6 +261,9 @@
   const position = isAccountMessage ? 'end' : 'start';
   const bubbleColor = isAccountMessage ? '#005699' : '#E5E5E5';
   const textColor = isAccountMessage ? 'white' : 'black';
+
+  const link = useMemo(() => linkify.find(message?.body ?? '', 'url')[0]?.href, [message]);
+
   return (
     <MessageTooltip position={position}>
       <Bubble
@@ -202,10 +271,12 @@
         position={position}
         isFirstOfGroup={isFirstOfGroup}
         isLastOfGroup={isLastOfGroup}
+        maxWidth={link ? '400px' : undefined}
       >
         <Typography variant="body1" color={textColor} textAlign={position}>
-          {message.body}
+          <Linkify options={{ render: RenderLink as any, attributes: { isAccountMessage } }}>{message.body}</Linkify>
         </Typography>
+        {link && <LinkPreview isAccountMessage={isAccountMessage} link={link} />}
       </Bubble>
     </MessageTooltip>
   );
@@ -471,10 +542,11 @@
   isFirstOfGroup: boolean;
   isLastOfGroup: boolean;
   bubbleColor: string;
+  maxWidth?: string;
   children: ReactNode;
 }
 
-const Bubble = ({ position, isFirstOfGroup, isLastOfGroup, bubbleColor, children }: BubbleProps) => {
+const Bubble = ({ position, isFirstOfGroup, isLastOfGroup, bubbleColor, maxWidth, children }: BubbleProps) => {
   const largeRadius = '20px';
   const smallRadius = '5px';
   const radius = useMemo(() => {
@@ -498,8 +570,11 @@
     <Box
       sx={{
         width: 'fit-content',
+        maxWidth,
         backgroundColor: bubbleColor,
         padding: bubblePadding,
+        overflow: 'hidden',
+        wordWrap: 'break-word',
         ...radius,
       }}
     >
diff --git a/client/src/components/Settings.tsx b/client/src/components/Settings.tsx
index ff3ac90..02aef25 100644
--- a/client/src/components/Settings.tsx
+++ b/client/src/components/Settings.tsx
@@ -85,7 +85,7 @@
 
 interface SettingGroupProps {
   label: string;
-  children: ReactElement[];
+  children: ReactElement[] | ReactElement;
 }
 
 export const SettingsGroup = ({ label, children }: SettingGroupProps) => {
diff --git a/client/src/locale/en/translation.json b/client/src/locale/en/translation.json
index 78b607f..cdae799 100644
--- a/client/src/locale/en/translation.json
+++ b/client/src/locale/en/translation.json
@@ -99,8 +99,10 @@
   "select_placeholder": "Select an option",
   "setting_dark_theme": "Dark theme",
   "setting_language": "Language",
+  "setting_link_preview": "Show link previews",
   "settings_account": "Account settings",
   "settings_general": "General settings",
+  "settings_title_chat": "Chat",
   "settings_title_general": "General",
   "settings_title_system": "System",
   "setup_login_admin_creation": "Let's start by creating a new administrator account to control access to the server configuration.",
diff --git a/client/src/locale/fr/translation.json b/client/src/locale/fr/translation.json
index e030574..d3fdd26 100644
--- a/client/src/locale/fr/translation.json
+++ b/client/src/locale/fr/translation.json
@@ -99,8 +99,10 @@
   "select_placeholder": "Sélectionner une option",
   "setting_dark_theme": "Thème sombre",
   "setting_language": "Langue",
+  "setting_link_preview": "Montrer la prévisualisation des liens",
   "settings_account": "Paramètres du compte",
   "settings_general": "Paramètres généraux",
+  "settings_title_chat": "Clavardage",
   "settings_title_general": "Général",
   "settings_title_system": "Système",
   "setup_login_admin_creation": "Commençons par créer un nouveau compte administrateur pour contrôler l'accès à la configuration du serveur.",
diff --git a/client/src/pages/GeneralSettings.tsx b/client/src/pages/GeneralSettings.tsx
index 6e651bb..90cfec4 100644
--- a/client/src/pages/GeneralSettings.tsx
+++ b/client/src/pages/GeneralSettings.tsx
@@ -16,7 +16,7 @@
  * <https://www.gnu.org/licenses/>.
  */
 import { Stack, Typography } from '@mui/material';
-import { useCallback, useContext, useMemo } from 'react';
+import { useCallback, useContext, useMemo, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
 import { SettingSelect, SettingSelectProps, SettingsGroup, SettingSwitch } from '../components/Settings';
@@ -33,6 +33,9 @@
         <SettingTheme />
         <SettingLanguage />
       </SettingsGroup>
+      <SettingsGroup label={t('settings_title_chat')}>
+        <SettingLinkPreview />
+      </SettingsGroup>
     </Stack>
   );
 }
@@ -72,3 +75,11 @@
     <SettingSelect label={t('setting_language')} option={option} options={settingLanguageOptions} onChange={onChange} />
   );
 };
+
+const SettingLinkPreview = () => {
+  const { t } = useTranslation();
+
+  const [isOn, setIsOn] = useState<boolean>(true);
+
+  return <SettingSwitch label={t('setting_link_preview')} onChange={() => setIsOn((isOn) => !isOn)} checked={isOn} />;
+};
diff --git a/client/src/services/linkPreviewQueries.ts b/client/src/services/linkPreviewQueries.ts
new file mode 100644
index 0000000..26d63fe
--- /dev/null
+++ b/client/src/services/linkPreviewQueries.ts
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 Savoir-faire Linux Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this program.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+import { useQuery } from '@tanstack/react-query';
+import { LinkPreview } from 'jami-web-common';
+import { useState } from 'react';
+
+import { useAuthContext } from '../contexts/AuthProvider';
+
+export const useLinkPreviewQuery = (url: string) => {
+  const { axiosInstance } = useAuthContext();
+  const [hasFailed, setHasFailed] = useState(false); // Prevent reloading of links that have failed
+  return useQuery({
+    queryKey: ['link-preview', url],
+    queryFn: async () => {
+      const { data } = await axiosInstance.get<LinkPreview>(`/link-preview/?url=${url}`);
+      return data;
+    },
+    onError: () => setHasFailed(true),
+    enabled: !!url && !hasFailed,
+  });
+};
diff --git a/client/src/themes/Default.ts b/client/src/themes/Default.ts
index a29c68d..5d4ddb1 100644
--- a/client/src/themes/Default.ts
+++ b/client/src/themes/Default.ts
@@ -392,6 +392,13 @@
           },
         },
       },
+      MuiLink: {
+        styleOverrides: {
+          root: {
+            color: '#005699',
+          },
+        },
+      },
       MuiListItemButton: {
         styleOverrides: {
           root: {