initial commit

fluxer_app/src/utils/ChannelUtils.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 {msg} from '@lingui/core/macro';
+import {
+	CaretDownIcon,
+	HashIcon,
+	type IconProps,
+	LinkIcon,
+	NotePencilIcon,
+	SpeakerHighIcon,
+} from '@phosphor-icons/react';
+import {ChannelTypes} from '~/Constants';
+import {NSFWIcon} from '~/components/icons/NSFWIcon';
+import i18n from '~/i18n';
+import type {ChannelRecord} from '~/records/ChannelRecord';
+import ChannelDisplayNameStore from '~/stores/ChannelDisplayNameStore';
+import UserStore from '~/stores/UserStore';
+import * as NicknameUtils from '~/utils/NicknameUtils';
+import {compareChannelPosition} from './channelShared';
+
+export const compareChannels = (a: ChannelRecord, b: ChannelRecord): number => compareChannelPosition(a, b);
+
+export const getIcon = (channel: {type: number; nsfw?: boolean}, props: IconProps = {}) => {
+	if (channel.type === ChannelTypes.GUILD_TEXT && channel.nsfw) {
+		return <NSFWIcon {...props} />;
+	}
+
+	switch (channel.type) {
+		case ChannelTypes.GUILD_VOICE:
+			return <SpeakerHighIcon weight="fill" {...props} />;
+		case ChannelTypes.GUILD_CATEGORY:
+			return <CaretDownIcon weight="bold" {...props} />;
+		case ChannelTypes.GUILD_LINK:
+			return <LinkIcon weight="bold" {...props} />;
+		case ChannelTypes.DM_PERSONAL_NOTES:
+			return <NotePencilIcon weight="bold" {...props} />;
+		default:
+			return <HashIcon weight="bold" {...props} />;
+	}
+};
+
+export const getName = (channel: ChannelRecord) => {
+	let baseName: string;
+	switch (channel.type) {
+		case ChannelTypes.GUILD_VOICE:
+			baseName = i18n._(msg`Voice`);
+			break;
+		case ChannelTypes.GUILD_CATEGORY:
+			baseName = i18n._(msg`Category`);
+			break;
+		case ChannelTypes.GUILD_LINK:
+			baseName = i18n._(msg`Link`);
+			break;
+		default:
+			baseName = i18n._(msg`Text`);
+			break;
+	}
+
+	if (channel.type === ChannelTypes.GUILD_TEXT && channel.nsfw) {
+		return i18n._(msg`Text (NSFW)`);
+	}
+
+	return baseName;
+};
+
+const getDirectMessageDisplayName = (channel: ChannelRecord): string => {
+	if (channel.recipientIds.length === 0) {
+		return i18n._(msg`Unknown User`);
+	}
+
+	const recipient = UserStore.getUser(channel.recipientIds[0]);
+	const nickname = recipient ? NicknameUtils.getNickname(recipient) : null;
+	return nickname ?? i18n._(msg`Unknown User`);
+};
+
+const getGroupDMDisplayName = (channel: ChannelRecord): string => {
+	const customName = channel.name?.trim() ?? '';
+	if (customName.length > 0) {
+		return customName;
+	}
+
+	return ChannelDisplayNameStore.getDisplayName(channel.id) ?? i18n._(msg`Unnamed Group`);
+};
+
+export const getDMDisplayName = (channel: ChannelRecord): string => {
+	switch (channel.type) {
+		case ChannelTypes.DM_PERSONAL_NOTES:
+			return i18n._(msg`Personal Notes`);
+		case ChannelTypes.DM:
+			return getDirectMessageDisplayName(channel);
+		case ChannelTypes.GROUP_DM:
+			return getGroupDMDisplayName(channel);
+		default:
+			return channel.name || i18n._(msg`Unknown Channel`);
+	}
+};