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fluxer_app/src/components/channel/UnknownMessage.tsx

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+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer 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.
+ *
+ * Fluxer 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 Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {Trans, useLingui} from '@lingui/react/macro';
+import {WarningCircleIcon} from '@phosphor-icons/react';
+import {observer} from 'mobx-react-lite';
+import {MessageAvatar} from '~/components/channel/MessageAvatar';
+import {MessageUsername} from '~/components/channel/MessageUsername';
+import {TimestampWithTooltip} from '~/components/channel/TimestampWithTooltip';
+import {UserTag} from '~/components/channel/UserTag';
+import GuildMemberStore from '~/stores/GuildMemberStore';
+import GuildStore from '~/stores/GuildStore';
+import UserStore from '~/stores/UserStore';
+import styles from '~/styles/Message.module.css';
+import * as DateUtils from '~/utils/DateUtils';
+import {useMessageViewContext} from './MessageViewContext';
+
+export const UnknownMessage = observer(() => {
+	const {i18n} = useLingui();
+	const {message, channel, shouldGroup, isHovering, previewContext, previewOverrides} = useMessageViewContext();
+	const userAuthor = UserStore.getUser(message.author.id);
+	const author = message.webhookId != null ? message.author : (userAuthor ?? message.author);
+	const formattedDate = DateUtils.getRelativeDateString(message.timestamp, i18n);
+	const guild = GuildStore.getGuild(channel.guildId ?? '');
+	const member = GuildMemberStore.getMember(guild?.id ?? '', author?.id ?? '');
+
+	return (
+		<>
+			{!shouldGroup && (
+				<>
+					<div className={styles.messageGutterLeft} />
+					<MessageAvatar
+						user={author}
+						message={message}
+						guildId={guild?.id}
+						size={40}
+						className={styles.messageAvatar}
+						isHovering={isHovering}
+						isPreview={!!previewContext}
+					/>
+					<div className={styles.messageGutterRight} />
+				</>
+			)}
+
+			<div className={styles.messageContent}>
+				<h3 className={styles.messageAuthorInfo}>
+					<span className={styles.authorContainer}>
+						<MessageUsername
+							user={author}
+							message={message}
+							guild={guild}
+							member={member ?? undefined}
+							className={styles.messageUsername}
+							isPreview={!!previewContext}
+							previewColor={previewOverrides?.usernameColor}
+							previewName={previewOverrides?.displayName}
+						/>
+						{author.bot && <UserTag className={styles.userTagOffset} system={author.system} />}
+					</span>
+					<TimestampWithTooltip date={message.timestamp} className={styles.messageTimestamp}>
+						{formattedDate}
+					</TimestampWithTooltip>
+				</h3>
+				<div className={styles.messageText}>
+					<div className={styles.unknownMessageWarning}>
+						<WarningCircleIcon size={16} weight="fill" />
+						<span>
+							<Trans>Please update Fluxer to view this message.</Trans>
+						</span>
+					</div>
+				</div>
+			</div>
+		</>
+	);
+});