enhance: チャンネルに新規の投稿がある場合にバッジを表示させる (#12690)

* 多分できたかも

* 不要なpropsを削除

* 不要なimportを削除

* 縁を付けた

* 枠線の位置を端に寄せた

* やっぱり内側へ寄せることにした

* できたかも

* 修正

* 修正

* クラスにまとめた

* 微調整

* 直せたかも

* importを付け足し

* 多分できたかも

* Update channel.vue

* Update MkMenu.vue

* Update channel.vue

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

CHANGELOG.md

@@ -69,6 +69,7 @@
 	- 逆に、MFMでコードハイライトを利用したい際は言語を明示的に指定する必要があります  
 	（例: ` ```js ` → Javascript, ` ```ais ` → AiScript）
 -	Enhance: 絵文字などのオートコンプリートでShift+Tabを押すと前の候補を選択できるように
+- Enhance: チャンネルに新規の投稿がある場合にバッジを表示させる
 - Fix: 「設定のバックアップ」で一部の項目がバックアップに含まれていなかった問題を修正
 - Fix: ウィジェットのジョブキューにて音声の発音方法変更に追従できていなかったのを修正 #12367
 - Fix: コードエディタが正しく表示されない問題を修正

packages/frontend/src/components/MkChannelPreview.vue

@@ -4,7 +4,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<MkA :to="`/channels/${channel.id}`" class="eftoefju _panel" tabindex="-1">
+<div style="position: relative;">
+	<MkA :to="`/channels/${channel.id}`" class="eftoefju _panel" tabindex="-1" @click="updateLastReadedAt">
 		<div class="banner" :style="bannerStyle">
 			<div class="fade"></div>
 			<div class="name"><i class="ti ti-device-tv"></i> {{ channel.name }}</div>
@@ -36,17 +37,37 @@ SPDX-License-Identifier: AGPL-3.0-only
 				{{ i18n.ts.updatedAt }}: <MkTime :time="channel.lastNotedAt"/>
 			</span>
 		</footer>
-</MkA>
+	</MkA>
+	<div
+		v-if="channel.lastNotedAt && (channel.isFavorited || channel.isFollowing) && (!lastReadedAt || Date.parse(channel.lastNotedAt) > lastReadedAt)"
+		class="indicator"
+	></div>
+</div>
 </template>
 
 <script lang="ts" setup>
-import { computed } from 'vue';
+import { computed, ref, watch } from 'vue';
 import { i18n } from '@/i18n.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = defineProps<{
 	channel: Record<string, any>;
 }>();
 
+const getLastReadedAt = (): number | null => {
+	return miLocalStorage.getItemAsJson(`channelLastReadedAt:${props.channel.id}`) ?? null;
+};
+
+const lastReadedAt = ref(getLastReadedAt());
+
+watch(() => props.channel.id, () => {
+	lastReadedAt.value = getLastReadedAt();
+});
+
+const updateLastReadedAt = () => {
+	lastReadedAt.value = props.channel.lastNotedAt ? Date.parse(props.channel.lastNotedAt) : Date.now();
+};
+
 const bannerStyle = computed(() => {
 	if (props.channel.bannerUrl) {
 		return { backgroundImage: `url(${props.channel.bannerUrl})` };
@@ -170,4 +191,17 @@ const bannerStyle = computed(() => {
 	}
 }
 
+.indicator {
+	position: absolute;
+	top: 0;
+	right: 0;
+	transform: translate(25%, -25%);
+	background-color: var(--accent);
+	border: solid var(--bg) 4px;
+	border-radius: 100%;
+	width: 1.5rem;
+	height: 1.5rem;
+	aspect-ratio: 1 / 1;
+}
+
 </style>

packages/frontend/src/components/MkMenu.vue

@@ -15,7 +15,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<template v-for="(item, i) in items2">
 			<div v-if="item.type === 'divider'" role="separator" :class="$style.divider"></div>
 			<span v-else-if="item.type === 'label'" role="menuitem" :class="[$style.label, $style.item]">
-				<span>{{ item.text }}</span>
+				<span style="opacity: 0.7;">{{ item.text }}</span>
 			</span>
 			<span v-else-if="item.type === 'pending'" role="menuitem" :tabindex="i" :class="[$style.pending, $style.item]">
 				<span><MkEllipsis/></span>
@@ -23,32 +23,44 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkA v-else-if="item.type === 'link'" role="menuitem" :to="item.to" :tabindex="i" class="_button" :class="$style.item" @click.passive="close(true)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
 				<MkAvatar v-if="item.avatar" :user="item.avatar" :class="$style.avatar"/>
-				<span>{{ item.text }}</span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
 					<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</MkA>
 			<a v-else-if="item.type === 'a'" role="menuitem" :href="item.href" :target="item.target" :download="item.download" :tabindex="i" class="_button" :class="$style.item" @click="close(true)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
-				<span>{{ item.text }}</span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
 					<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</a>
 			<button v-else-if="item.type === 'user'" role="menuitem" :tabindex="i" class="_button" :class="[$style.item, { [$style.active]: item.active }]" :disabled="item.active" @click="clicked(item.action, $event)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<MkAvatar :user="item.user" :class="$style.avatar"/><MkUserName :user="item.user"/>
-				<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				<div v-if="item.indicate" :class="$style.item_content">
+					<span :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</button>
 			<button v-else-if="item.type === 'switch'" role="menuitemcheckbox" :tabindex="i" class="_button" :class="[$style.item, $style.switch, { [$style.switchDisabled]: item.disabled } ]" @click="switchItem(item)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<MkSwitchButton :class="$style.switchButton" :checked="item.ref" :disabled="item.disabled" @toggle="switchItem(item)"/>
-				<span :class="$style.switchText">{{ item.text }}</span>
+				<div :class="$style.item_content">
+					<span :class="[$style.item_content_text, $style.switchText]">{{ item.text }}</span>
+				</div>
 			</button>
 			<button v-else-if="item.type === 'parent'" class="_button" role="menuitem" :tabindex="i" :class="[$style.item, $style.parent, { [$style.childShowing]: childShowingItem === item }]" @mouseenter="preferClick ? null : showChildren(item, $event)" @click="!preferClick ? null : showChildren(item, $event)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]" style="pointer-events: none;"></i>
-				<span style="pointer-events: none;">{{ item.text }}</span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text" style="pointer-events: none;">{{ item.text }}</span>
 					<span :class="$style.caret" style="pointer-events: none;"><i class="ti ti-chevron-right ti-fw"></i></span>
+				</div>
 			</button>
 			<button v-else :tabindex="i" class="_button" role="menuitem" :class="[$style.item, { [$style.danger]: item.danger, [$style.active]: item.active }]" :disabled="item.active" @click="clicked(item.action, $event)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
 				<MkAvatar v-if="item.avatar" :user="item.avatar" :class="$style.avatar"/>
-				<span>{{ item.text }}</span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
 					<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</button>
 		</template>
 		<span v-if="items2.length === 0" :class="[$style.none, $style.item]">
@@ -228,6 +240,7 @@ onBeforeUnmount(() => {
 .root {
 	padding: 8px 0;
 	box-sizing: border-box;
+	max-width: 100vw;
 	min-width: 200px;
 	overflow: auto;
 	overscroll-behavior: contain;
@@ -267,7 +280,8 @@ onBeforeUnmount(() => {
 }
 
 .item {
-	display: block;
+	display: flex;
+	align-items: center;
 	position: relative;
 	padding: 5px 16px;
 	width: 100%;
@@ -340,10 +354,6 @@ onBeforeUnmount(() => {
 		pointer-events: none;
 		font-size: 0.7em;
 		padding-bottom: 4px;
-
-		> span {
-			opacity: 0.7;
-		}
 	}
 
 	&.pending {
@@ -373,6 +383,22 @@ onBeforeUnmount(() => {
 	}
 }
 
+.item_content {
+	width: 100%;
+	max-width: 100vw;
+	display: flex;
+	align-items: center;
+	justify-content: space-between;
+	gap: 8px;
+	text-overflow: ellipsis;
+}
+
+.item_content_text {
+	max-width: calc(100vw - 4rem);
+	text-overflow: ellipsis;
+	overflow: hidden;
+}
+
 .switch {
 	position: relative;
 	display: flex;
@@ -406,6 +432,7 @@ onBeforeUnmount(() => {
 
 .icon {
 	margin-right: 8px;
+	line-height: 1;
 }
 
 .caret {
@@ -419,9 +446,8 @@ onBeforeUnmount(() => {
 }
 
 .indicator {
-	position: absolute;
-	top: 5px;
-	left: 13px;
+	display: flex;
+	align-items: center;
 	color: var(--indicator);
 	font-size: 12px;
 	animation: blink 1s infinite;

packages/frontend/src/local-storage.ts

@@ -35,7 +35,8 @@ type Keys =
 	`themes:${string}` |
 	`aiscript:${string}` |
 	'lastEmojisFetchedAt' | // DEPRECATED, stored in indexeddb (13.9.0~)
-	'emojis' // DEPRECATED, stored in indexeddb (13.9.0~);
+	'emojis' | // DEPRECATED, stored in indexeddb (13.9.0~);
+	`channelLastReadedAt:${string}`
 
 export const miLocalStorage = {
 	getItem: (key: Keys): string | null => window.localStorage.getItem(key),

packages/frontend/src/pages/channel.vue

@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<XChannelFollowButton :channel="channel" :full="true" :class="$style.subscribe"/>
 				<MkButton v-if="favorited" v-tooltip="i18n.ts.unfavorite" asLike class="button" rounded primary :class="$style.favorite" @click="unfavorite()"><i class="ti ti-star"></i></MkButton>
 				<MkButton v-else v-tooltip="i18n.ts.favorite" asLike class="button" rounded :class="$style.favorite" @click="favorite()"><i class="ti ti-star"></i></MkButton>
-				<div :style="{ backgroundImage: channel.bannerUrl ? `url(${channel.bannerUrl})` : null }" :class="$style.banner">
+				<div :style="{ backgroundImage: channel.bannerUrl ? `url(${channel.bannerUrl})` : undefined }" :class="$style.banner">
 					<div :class="$style.bannerStatus">
 						<div><i class="ti ti-users ti-fw"></i><I18n :src="i18n.ts._channel.usersCount" tag="span" style="margin-left: 4px;"><template #n><b>{{ channel.usersCount }}</b></template></I18n></div>
 						<div><i class="ti ti-pencil ti-fw"></i><I18n :src="i18n.ts._channel.notesCount" tag="span" style="margin-left: 4px;"><template #n><b>{{ channel.notesCount }}</b></template></I18n></div>
@@ -27,7 +27,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 			<MkFoldableSection>
 				<template #header><i class="ti ti-pin ti-fw" style="margin-right: 0.5em;"></i>{{ i18n.ts.pinnedNotes }}</template>
-				<div v-if="channel.pinnedNotes.length > 0" class="_gaps">
+				<div v-if="channel.pinnedNotes && channel.pinnedNotes.length > 0" class="_gaps">
 					<MkNote v-for="note in channel.pinnedNotes" :key="note.id" class="_panel" :note="note"/>
 				</div>
 			</MkFoldableSection>
@@ -38,7 +38,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<!-- スマホ・タブレットの場合、キーボードが表示されると投稿が見づらくなるので、デスクトップ場合のみ自動でフォーカスを当てる -->
 			<MkPostForm v-if="$i && defaultStore.reactiveState.showFixedPostFormInChannel.value" :channel="channel" class="post-form _panel" fixed :autofocus="deviceKind === 'desktop'"/>
 
-			<MkTimeline :key="channelId" src="channel" :channel="channelId" @before="before" @after="after"/>
+			<MkTimeline :key="channelId" src="channel" :channel="channelId" @before="before" @after="after" @note="miLocalStorage.setItemAsJson(`channelLastReadedAt:${channel.id}`, Date.now())"/>
 		</div>
 		<div v-else-if="tab === 'featured'">
 			<MkNotes :pagination="featuredPagination"/>
@@ -69,6 +69,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { computed, watch, ref } from 'vue';
+import * as Misskey from 'misskey-js';
 import MkPostForm from '@/components/MkPostForm.vue';
 import MkTimeline from '@/components/MkTimeline.vue';
 import XChannelFollowButton from '@/components/MkChannelFollowButton.vue';
@@ -89,6 +90,7 @@ import MkFoldableSection from '@/components/MkFoldableSection.vue';
 import { PageHeaderItem } from '@/types/page-header.js';
 import { isSupportShare } from '@/scripts/navigator.js';
 import copyToClipboard from '@/scripts/copy-to-clipboard.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const router = useRouter();
 
@@ -97,7 +99,7 @@ const props = defineProps<{
 }>();
 
 const tab = ref('overview');
-const channel = ref(null);
+const channel = ref<Misskey.entities.Channel | null>(null);
 const favorited = ref(false);
 const searchQuery = ref('');
 const searchPagination = ref();
@@ -114,14 +116,23 @@ watch(() => props.channelId, async () => {
 	channel.value = await os.api('channels/show', {
 		channelId: props.channelId,
 	});
-	favorited.value = channel.value.isFavorited;
+	favorited.value = channel.value.isFavorited ?? false;
 	if (favorited.value || channel.value.isFollowing) {
 		tab.value = 'timeline';
 	}
+
+	if ((favorited.value || channel.value.isFollowing) && channel.value.lastNotedAt) {
+		const lastReadedAt: number = miLocalStorage.getItemAsJson(`channelLastReadedAt:${channel.value.id}`) ?? 0;
+		const lastNotedAt = Date.parse(channel.value.lastNotedAt);
+
+		if (lastNotedAt > lastReadedAt) {
+			miLocalStorage.setItemAsJson(`channelLastReadedAt:${channel.value.id}`, lastNotedAt);
+		}
+	}
 }, { immediate: true });
 
 function edit() {
-	router.push(`/channels/${channel.value.id}/edit`);
+	router.push(`/channels/${channel.value?.id}/edit`);
 }
 
 function openPostForm() {
@@ -131,6 +142,8 @@ function openPostForm() {
 }
 
 function favorite() {
+	if (!channel.value) return;
+
 	os.apiWithDialog('channels/favorite', {
 		channelId: channel.value.id,
 	}).then(() => {
@@ -139,6 +152,8 @@ function favorite() {
 }
 
 async function unfavorite() {
+	if (!channel.value) return;
+
 	const confirm = await os.confirm({
 		type: 'warning',
 		text: i18n.ts.unfavoriteConfirm,
@@ -152,6 +167,8 @@ async function unfavorite() {
 }
 
 async function search() {
+	if (!channel.value) return;
+
 	const query = searchQuery.value.toString().trim();
 
 	if (query == null) return;
@@ -176,6 +193,10 @@ const headerActions = computed(() => {
 			icon: 'ti ti-link',
 			text: i18n.ts.copyUrl,
 			handler: async (): Promise<void> => {
+				if (!channel.value) {
+					console.warn('failed to copy channel URL. channel.value is null.');
+					return;
+				}
 				copyToClipboard(`${url}/channels/${channel.value.id}`);
 				os.success();
 			},
@@ -186,9 +207,14 @@ const headerActions = computed(() => {
 				icon: 'ti ti-share',
 				text: i18n.ts.share,
 				handler: async (): Promise<void> => {
+					if (!channel.value) {
+						console.warn('failed to share channel. channel.value is null.');
+						return;
+					}
+
 					navigator.share({
 						title: channel.value.name,
-						text: channel.value.description,
+						text: channel.value.description ?? undefined,
 						url: `${url}/channels/${channel.value.id}`,
 					});
 				},

packages/frontend/src/pages/timeline.vue

@@ -48,6 +48,7 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 import { antennasCache, userListsCache } from '@/cache.js';
 import { deviceKind } from '@/scripts/device-kind.js';
 import { MenuItem } from '@/types/menu.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 provide('shouldOmitHeaderTitle', true);
 
@@ -125,12 +126,17 @@ async function chooseChannel(ev: MouseEvent): Promise<void> {
 		limit: 100,
 	});
 	const items: MenuItem[] = [
-		...channels.map(channel => ({
+		...channels.map(channel => {
+			const lastReadedAt = miLocalStorage.getItemAsJson(`channelLastReadedAt:${channel.id}`) ?? null;
+			const hasUnreadNote = (lastReadedAt && channel.lastNotedAt) ? Date.parse(channel.lastNotedAt) > lastReadedAt : !!(!lastReadedAt && channel.lastNotedAt);
+
+			return {
 				type: 'link' as const,
 				text: channel.name,
-			indicate: channel.hasUnreadNote,
+				indicate: hasUnreadNote,
 				to: `/channels/${channel.id}`,
-		})),
+			};
+		}),
 		(channels.length === 0 ? undefined : { type: 'divider' }),
 		{
 			type: 'link' as const,