feat: ノートの下書き(draft of note) (#15298)

* WIp (backend)

* Remove unused

* 下書きbackend 続き

* fix(backedn): visibilityが下書きに反映されない

* Update packages/backend/src/postgres.ts

Co-authored-by: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>

* Fix : import order

* fix(backend) : createでcwが効かない

* FIX FOREGIN KEY

* wip: frontend（既存の下書きを挿入）

まだ：チャンネル表示、下書きの作成、削除

* WIP: ノート選択ダイアログ
投稿時に下書きを削除

* Promiseに変更

* 連合なし、チャンネルも表示

* Hashtagの値抜け漏れ

* hasthagを0文字でも作成可能に

* 下書きの保存機構

* chore(misskey-js): build types

* localOnly抜け漏れ

* チャンネル情報の書き換え

* enhance(frontend): ヘッダ部の表示改善

* fix(frontend): ファイル添付できない

* fix: no file

* fix(frontend): 投票が反映されない

* ハッシュタグの展開（コメントアウト外し忘れ）

* fix: visibleUserIdsが反映されない

* enhance: APIの型を整備

* refactor: 型が整備できたのでasを削除

* Add userhost

* fix

* enhance: paginationを使う

* fix

* fix: 自分のアカウントでの投稿でしか下書きを利用できないように

完全に塞ぐことはできないが一応

* :art:

* APIのエラーIDを追加

* enhance: スタイル調整

* remove unused code

* :art:

* fix: ロールポリシーの型

* ロールの編集画面

* ダイアログの挙動改善

* 下書き機能が利用できない場合は表示しないように

* refactor

* fix: ダブルクリックが効かない問題を修正

* add comments

* fix

* fix: 保存時のエラーの種別にかかわらずmodalを閉じないように

* fix()backend: NoteDraftのreply, renoteの型が間違ってたので修正 (migtrationはあってた)

* fix: 投稿フォームを空白にして通常リノートできるやつは下書きとしては弾くように

* fix(backend): テキストが0文字でも下書きは保存できるように

* Fix(backend): replyIdの型定義がミスっているのを修正

* chore(misskey-js): update types

* Add CHANGELOG

* lint

* 常にサーバー下書きに保存し、上限を超えた場合のみ尋ねるように

* NoteDraftServiceにcreate, updateの処理を移譲

* Fix typeerror

* remove tooltip

* Remove Mkbutton:short and use iconOnly

* 不要なコメントの削除

* Remove Short Completely

* wip

* escキーまわりの挙動を改善

* 下書き選択時に下書き可能数と現在の量が分かるように

* cleanUp

* wip

* wi

* wip

* Update MkPostForm.vue

---------

Co-authored-by: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

3 files changed, 401 insertions, 46 deletions

diff --git a/packages/frontend/src/components/MkNoteDraftsDialog.vue b/packages/frontend/src/components/MkNoteDraftsDialog.vue
new file mode 100644
index 0000000000..b4aff8d16f
--- /dev/null
+++ b/packages/frontend/src/components/MkNoteDraftsDialog.vue
@@ -0,0 +1,218 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="dialogEl"
+	:width="600"
+	:height="650"
+	:withOkButton="false"
+	@click="cancel()"
+	@close="cancel()"
+	@closed="emit('closed')"
+	@esc="cancel()"
+>
+	<template #header>
+		{{ i18n.ts.drafts }} ({{ currentDraftsCount }}/{{ $i?.policies.noteDraftLimit }})
+	</template>
+	<div :class="$style.drafts" class="_gaps">
+		<MkPagination ref="pagingEl" :pagination="paging">
+			<template #empty>
+				<MkResult type="empty" :text="i18n.ts._drafts.noDrafts"/>
+			</template>
+
+			<template #default="{ items }">
+				<div class="_spacer _gaps_s">
+					<div
+						v-for="draft in (items as unknown as Misskey.entities.NoteDraft[])"
+						:key="draft.id"
+						v-panel
+						:class="[$style.draft]"
+					>
+						<div :class="$style.draftBody" class="_gaps_s">
+							<div :class="$style.draftInfo">
+								<div :class="$style.draftMeta">
+									<div v-if="draft.reply" class="_nowrap">
+										<i class="ti ti-arrow-back-up"></i> <I18n :src="i18n.ts._drafts.replyTo" tag="span">
+											<template #user>
+												<Mfm v-if="draft.reply.user.name != null" :text="draft.reply.user.name" :plain="true" :nowrap="true"/>
+												<MkAcct v-else :user="draft.reply.user"/>
+											</template>
+										</I18n>
+									</div>
+									<div v-if="draft.renote && draft.text != null" class="_nowrap">
+										<i class="ti ti-quote"></i> <I18n :src="i18n.ts._drafts.quoteOf" tag="span">
+											<template #user>
+												<Mfm v-if="draft.renote.user.name != null" :text="draft.renote.user.name" :plain="true" :nowrap="true"/>
+												<MkAcct v-else :user="draft.renote.user"/>
+											</template>
+										</I18n>
+									</div>
+									<div v-if="draft.channel" class="_nowrap">
+										<i class="ti ti-device-tv"></i> {{ i18n.tsx._drafts.postTo({ channel: draft.channel.name }) }}
+									</div>
+								</div>
+							</div>
+							<div :class="$style.draftContent">
+								<Mfm :text="getNoteSummary(draft, { showRenote: false, showReply: false })" :plain="true" :author="draft.user"/>
+							</div>
+							<div :class="$style.draftFooter">
+								<div :class="$style.draftVisibility">
+									<span :title="i18n.ts._visibility[draft.visibility]">
+										<i v-if="draft.visibility === 'public'" class="ti ti-world"></i>
+										<i v-else-if="draft.visibility === 'home'" class="ti ti-home"></i>
+										<i v-else-if="draft.visibility === 'followers'" class="ti ti-lock"></i>
+										<i v-else-if="draft.visibility === 'specified'" class="ti ti-mail"></i>
+									</span>
+									<span v-if="draft.localOnly" :title="i18n.ts._visibility['disableFederation']"><i class="ti ti-rocket-off"></i></span>
+								</div>
+								<MkTime :time="draft.createdAt" :class="$style.draftCreatedAt" mode="detail" colored/>
+							</div>
+						</div>
+						<div :class="$style.draftActions" class="_buttons">
+							<MkButton
+								:class="$style.itemButton"
+								small
+								@click="restoreDraft(draft)"
+							>
+								<i class="ti ti-corner-up-left"></i>
+								{{ i18n.ts._drafts.restore }}
+							</MkButton>
+							<MkButton
+								v-tooltip="i18n.ts._drafts.delete"
+								danger
+								small
+								:iconOnly="true"
+								:class="$style.itemButton"
+								@click="deleteDraft(draft)"
+							>
+								<i class="ti ti-trash"></i>
+							</MkButton>
+						</div>
+					</div>
+				</div>
+			</template>
+		</MkPagination>
+	</div>
+</MkModalWindow>
+</template>
+
+<script lang="ts" setup>
+import { ref, shallowRef, useTemplateRef } from 'vue';
+import * as Misskey from 'misskey-js';
+import type { PagingCtx } from '@/composables/use-pagination.js';
+import MkButton from '@/components/MkButton.vue';
+import MkPagination from '@/components/MkPagination.vue';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import { getNoteSummary } from '@/utility/get-note-summary.js';
+import { i18n } from '@/i18n.js';
+import * as os from '@/os.js';
+import { $i } from '@/i.js';
+import { misskeyApi } from '@/utility/misskey-api';
+
+const emit = defineEmits<{
+	(ev: 'restore', draft: Misskey.entities.NoteDraft): void;
+	(ev: 'cancel'): void;
+	(ev: 'closed'): void;
+}>();
+
+const paging = {
+	endpoint: 'notes/drafts/list',
+	limit: 10,
+} satisfies PagingCtx;
+
+const pagingComponent = useTemplateRef('pagingEl');
+
+const currentDraftsCount = ref(0);
+misskeyApi('notes/drafts/count').then((count) => {
+	currentDraftsCount.value = count;
+});
+
+const dialogEl = shallowRef<InstanceType<typeof MkModalWindow>>();
+
+function cancel() {
+	emit('cancel');
+	dialogEl.value?.close();
+}
+
+function restoreDraft(draft: Misskey.entities.NoteDraft) {
+	emit('restore', draft);
+	dialogEl.value?.close();
+}
+
+async function deleteDraft(draft: Misskey.entities.NoteDraft) {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: i18n.ts._drafts.deleteAreYouSure,
+	});
+
+	if (canceled) return;
+
+	os.apiWithDialog('notes/drafts/delete', { draftId: draft.id }).then(() => {
+		pagingComponent.value?.paginator.reload();
+	});
+}
+</script>
+
+<style lang="scss" module>
+.drafts {
+	overflow-x: hidden;
+	overflow-x: clip;
+	overflow-y: auto;
+}
+
+.draft {
+	padding: 16px;
+	gap: 16px;
+	border-radius: 10px;
+}
+
+.draftBody {
+	width: 100%;
+	min-width: 0;
+}
+
+.draftInfo {
+	display: flex;
+	width: 100%;
+	font-size: 0.85em;
+	opacity: 0.7;
+}
+
+.draftMeta {
+	flex-grow: 1;
+	min-width: 0;
+}
+
+.draftContent {
+	display: -webkit-box;
+  -webkit-box-orient: vertical;
+  -webkit-line-clamp: 2;
+	line-clamp: 2;
+  overflow: hidden;
+	font-size: 0.9em;
+}
+
+.draftFooter {
+	display: flex;
+	align-items: center;
+	gap: 8px;
+}
+
+.draftVisibility {
+	flex-shrink: 0;
+}
+
+.draftCreatedAt {
+	font-size: 85%;
+	opacity: 0.7;
+}
+
+.draftActions {
+	margin-top: 16px;
+	padding-top: 16px;
+	border-top: solid 1px var(--MI_THEME-divider);
+}
+</style>
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index e319c9bacb..f8e163c581 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -17,10 +17,11 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<button v-click-anime v-tooltip="i18n.ts.switchAccount" :class="$style.account" class="_button" @click="openAccountMenu">
 				<MkAvatar :user="postAccount ?? $i" :class="$style.avatar"/>
 			</button>
+			<button v-if="$i.policies.noteDraftLimit > 0" v-tooltip="(postAccount != null && postAccount.id !== $i.id) ? null : i18n.ts.draft" class="_button" :class="$style.draftButton" :disabled="postAccount != null && postAccount.id !== $i.id" @click="showDraftMenu"><i class="ti ti-pencil-minus"></i></button>
 		</div>
 		<div :class="$style.headerRight">
-			<template v-if="!(channel != null && fixed)">
-				<button v-if="channel == null" ref="visibilityButton" v-tooltip="i18n.ts.visibility" :class="['_button', $style.headerRightItem, $style.visibility]" @click="setVisibility">
+			<template v-if="!(targetChannel != null && fixed)">
+				<button v-if="targetChannel == null" ref="visibilityButton" v-tooltip="i18n.ts.visibility" :class="['_button', $style.headerRightItem, $style.visibility]" @click="setVisibility">
 					<span v-if="visibility === 'public'"><i class="ti ti-world"></i></span>
 					<span v-if="visibility === 'home'"><i class="ti ti-home"></i></span>
 					<span v-if="visibility === 'followers'"><i class="ti ti-lock"></i></span>
@@ -29,10 +30,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</button>
 				<button v-else class="_button" :class="[$style.headerRightItem, $style.visibility]" disabled>
 					<span><i class="ti ti-device-tv"></i></span>
-					<span :class="$style.headerRightButtonText">{{ channel.name }}</span>
+					<span :class="$style.headerRightButtonText">{{ targetChannel.name }}</span>
 				</button>
 			</template>
-			<button v-tooltip="i18n.ts._visibility.disableFederation" class="_button" :class="[$style.headerRightItem, { [$style.danger]: localOnly }]" :disabled="channel != null || visibility === 'specified'" @click="toggleLocalOnly">
+			<button v-tooltip="i18n.ts._visibility.disableFederation" class="_button" :class="[$style.headerRightItem, { [$style.danger]: localOnly }]" :disabled="targetChannel != null || visibility === 'specified'" @click="toggleLocalOnly">
 				<span v-if="!localOnly"><i class="ti ti-rocket"></i></span>
 				<span v-else><i class="ti ti-rocket-off"></i></span>
 			</button>
@@ -42,12 +43,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<template v-if="posted"></template>
 					<template v-else-if="posting"><MkEllipsis/></template>
 					<template v-else>{{ submitText }}</template>
-					<i style="margin-left: 6px;" :class="posted ? 'ti ti-check' : reply ? 'ti ti-arrow-back-up' : renoteTargetNote ? 'ti ti-quote' : 'ti ti-send'"></i>
+					<i style="margin-left: 6px;" :class="posted ? 'ti ti-check' : replyTargetNote ? 'ti ti-arrow-back-up' : renoteTargetNote ? 'ti ti-quote' : 'ti ti-send'"></i>
 				</div>
 			</button>
 		</div>
 	</header>
-	<MkNoteSimple v-if="reply" :class="$style.targetNote" :note="reply"/>
+	<MkNoteSimple v-if="replyTargetNote" :class="$style.targetNote" :note="replyTargetNote"/>
 	<MkNoteSimple v-if="renoteTargetNote" :class="$style.targetNote" :note="renoteTargetNote"/>
 	<div v-if="quoteId" :class="$style.withQuote"><i class="ti ti-quote"></i> {{ i18n.ts.quoteAttached }}<button @click="quoteId = null; renoteTargetNote = null;"><i class="ti ti-x"></i></button></div>
 	<div v-if="visibility === 'specified'" :class="$style.toSpecified">
@@ -66,7 +67,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div v-if="maxCwTextLength - cwTextLength < 20" :class="['_acrylic', $style.cwTextCount, { [$style.cwTextOver]: cwTextLength > maxCwTextLength }]">{{ maxCwTextLength - cwTextLength }}</div>
 	</div>
 	<div :class="[$style.textOuter, { [$style.withCw]: useCw }]">
-		<div v-if="channel" :class="$style.colorBar" :style="{ background: channel.color }"></div>
+		<div v-if="targetChannel" :class="$style.colorBar" :style="{ background: targetChannel.color }"></div>
 		<textarea ref="textareaEl" v-model="text" :class="[$style.text]" :disabled="posting || posted" :readonly="textAreaReadOnly" :placeholder="placeholder" data-cy-post-form-text @keydown="onKeydown" @keyup="onKeyup" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd"/>
 		<div v-if="maxTextLength - textLength < 100" :class="['_acrylic', $style.textCount, { [$style.textOver]: textLength > maxTextLength }]">{{ maxTextLength - textLength }}</div>
 	</div>
@@ -207,6 +208,10 @@ const showingOptions = ref(false);
 const textAreaReadOnly = ref(false);
 const justEndedComposition = ref(false);
 const renoteTargetNote: ShallowRef<PostFormProps['renote'] | null> = shallowRef(props.renote);
+const replyTargetNote: ShallowRef<PostFormProps['reply'] | null> = shallowRef(props.reply);
+const targetChannel = shallowRef(props.channel);
+
+const serverDraftId = ref<string | null>(null);
 const postFormActions = getPluginHandlers('post_form_action');
 
 const uploader = useUploader({
@@ -219,12 +224,12 @@ uploader.events.on('itemUploaded', ctx => {
 });
 
 const draftKey = computed((): string => {
-	let key = props.channel ? `channel:${props.channel.id}` : '';
+	let key = targetChannel.value ? `channel:${targetChannel.value.id}` : '';
 
 	if (renoteTargetNote.value) {
 		key += `renote:${renoteTargetNote.value.id}`;
-	} else if (props.reply) {
-		key += `reply:${props.reply.id}`;
+	} else if (replyTargetNote.value) {
+		key += `reply:${replyTargetNote.value.id}`;
 	} else {
 		key += `note:${$i.id}`;
 	}
@@ -235,9 +240,9 @@ const draftKey = computed((): string => {
 const placeholder = computed((): string => {
 	if (renoteTargetNote.value) {
 		return i18n.ts._postForm.quotePlaceholder;
-	} else if (props.reply) {
+	} else if (replyTargetNote.value) {
 		return i18n.ts._postForm.replyPlaceholder;
-	} else if (props.channel) {
+	} else if (targetChannel.value) {
 		return i18n.ts._postForm.channelPlaceholder;
 	} else {
 		const xs = [
@@ -255,7 +260,7 @@ const placeholder = computed((): string => {
 const submitText = computed((): string => {
 	return renoteTargetNote.value
 		? i18n.ts.quote
-		: props.reply
+		: replyTargetNote.value
 			? i18n.ts.reply
 			: i18n.ts.note;
 });
@@ -296,6 +301,11 @@ const canPost = computed((): boolean => {
 		(!poll.value || poll.value.choices.length >= 2);
 });
 
+// cannot save pure renote as draft
+const canSaveAsServerDraft = computed((): boolean => {
+	return canPost.value && (textLength.value > 0 || files.value.length > 0 || poll.value != null);
+});
+
 const withHashtags = computed(store.makeGetterSetter('postFormWithHashtags'));
 const hashtags = computed(store.makeGetterSetter('postFormHashtags'));
 
@@ -318,13 +328,13 @@ if (props.mention) {
 	text.value += ' ';
 }
 
-if (props.reply && (props.reply.user.username !== $i.username || (props.reply.user.host != null && props.reply.user.host !== host))) {
-	text.value = `@${props.reply.user.username}${props.reply.user.host != null ? '@' + toASCII(props.reply.user.host) : ''} `;
+if (replyTargetNote.value && (replyTargetNote.value.user.username !== $i.username || (replyTargetNote.value.user.host != null && replyTargetNote.value.user.host !== host))) {
+	text.value = `@${replyTargetNote.value.user.username}${replyTargetNote.value.user.host != null ? '@' + toASCII(replyTargetNote.value.user.host) : ''} `;
 }
 
-if (props.reply && props.reply.text != null) {
-	const ast = mfm.parse(props.reply.text);
-	const otherHost = props.reply.user.host;
+if (replyTargetNote.value && replyTargetNote.value.text != null) {
+	const ast = mfm.parse(replyTargetNote.value.text);
+	const otherHost = replyTargetNote.value.user.host;
 
 	for (const x of extractMentions(ast)) {
 		const mention = x.host ?
@@ -347,32 +357,32 @@ if ($i.isSilenced && visibility.value === 'public') {
 	visibility.value = 'home';
 }
 
-if (props.channel) {
+if (targetChannel.value) {
 	visibility.value = 'public';
 	localOnly.value = true; // TODO: チャンネルが連合するようになった折には消す
 }
 
 // 公開以外へのリプライ時は元の公開範囲を引き継ぐ
-if (props.reply && ['home', 'followers', 'specified'].includes(props.reply.visibility)) {
-	if (props.reply.visibility === 'home' && visibility.value === 'followers') {
+if (replyTargetNote.value && ['home', 'followers', 'specified'].includes(replyTargetNote.value.visibility)) {
+	if (replyTargetNote.value.visibility === 'home' && visibility.value === 'followers') {
 		visibility.value = 'followers';
-	} else if (['home', 'followers'].includes(props.reply.visibility) && visibility.value === 'specified') {
+	} else if (['home', 'followers'].includes(replyTargetNote.value.visibility) && visibility.value === 'specified') {
 		visibility.value = 'specified';
 	} else {
-		visibility.value = props.reply.visibility;
+		visibility.value = replyTargetNote.value.visibility;
 	}
 
 	if (visibility.value === 'specified') {
-		if (props.reply.visibleUserIds) {
+		if (replyTargetNote.value.visibleUserIds) {
 			misskeyApi('users/show', {
-				userIds: props.reply.visibleUserIds.filter(uid => uid !== $i.id && uid !== props.reply?.userId),
+				userIds: replyTargetNote.value.visibleUserIds.filter(uid => uid !== $i.id && uid !== replyTargetNote.value?.userId),
 			}).then(users => {
 				users.forEach(u => pushVisibleUser(u));
 			});
 		}
 
-		if (props.reply.userId !== $i.id) {
-			misskeyApi('users/show', { userId: props.reply.userId }).then(user => {
+		if (replyTargetNote.value.userId !== $i.id) {
+			misskeyApi('users/show', { userId: replyTargetNote.value.userId }).then(user => {
 				pushVisibleUser(user);
 			});
 		}
@@ -385,9 +395,9 @@ if (props.specified) {
 }
 
 // keep cw when reply
-if (prefer.s.keepCw && props.reply && props.reply.cw) {
+if (prefer.s.keepCw && replyTargetNote.value && replyTargetNote.value.cw) {
 	useCw.value = true;
-	cw.value = props.reply.cw;
+	cw.value = replyTargetNote.value.cw;
 }
 
 function watchForDraft() {
@@ -485,7 +495,7 @@ function updateFileName(file, name) {
 }
 
 function setVisibility() {
-	if (props.channel) {
+	if (targetChannel.value) {
 		visibility.value = 'public';
 		localOnly.value = true; // TODO: チャンネルが連合するようになった折には消す
 		return;
@@ -496,7 +506,7 @@ function setVisibility() {
 		isSilenced: $i.isSilenced,
 		localOnly: localOnly.value,
 		anchorElement: visibilityButton.value,
-		...(props.reply ? { isReplyVisibilitySpecified: props.reply.visibility === 'specified' } : {}),
+		...(replyTargetNote.value ? { isReplyVisibilitySpecified: replyTargetNote.value.visibility === 'specified' } : {}),
 	}, {
 		changeVisibility: v => {
 			visibility.value = v;
@@ -509,7 +519,7 @@ function setVisibility() {
 }
 
 async function toggleLocalOnly() {
-	if (props.channel) {
+	if (targetChannel.value) {
 		visibility.value = 'public';
 		localOnly.value = true; // TODO: チャンネルが連合するようになった折には消す
 		return;
@@ -798,7 +808,7 @@ function saveDraft() {
 			localOnly: localOnly.value,
 			files: files.value,
 			poll: poll.value,
-			visibleUserIds: visibility.value === 'specified' ? visibleUsers.value.map(x => x.id) : undefined,
+			...( visibleUsers.value.length > 0 ? { visibleUserIds: visibleUsers.value.map(x => x.id) } : {}),
 			quoteId: quoteId.value,
 			reactionAcceptance: reactionAcceptance.value,
 		},
@@ -815,6 +825,32 @@ function deleteDraft() {
 	miLocalStorage.setItem('drafts', JSON.stringify(draftData));
 }
 
+async function saveServerDraft(clearLocal = false) {
+	return await os.apiWithDialog(serverDraftId.value == null ? 'notes/drafts/create' : 'notes/drafts/update', {
+		...(serverDraftId.value == null ? {} : { draftId: serverDraftId.value }),
+		text: text.value,
+		useCw: useCw.value,
+		cw: cw.value,
+		visibility: visibility.value,
+		localOnly: localOnly.value,
+		hashtag: hashtags.value,
+		...(files.value.length > 0 ? { fileIds: files.value.map(f => f.id) } : {}),
+		poll: poll.value,
+		...(visibleUsers.value.length > 0 ? { visibleUserIds: visibleUsers.value.map(x => x.id) } : {}),
+		renoteId: renoteTargetNote.value ? renoteTargetNote.value.id : undefined,
+		replyId: replyTargetNote.value ? replyTargetNote.value.id : undefined,
+		quoteId: quoteId.value,
+		channelId: targetChannel.value ? targetChannel.value.id : undefined,
+		reactionAcceptance: reactionAcceptance.value,
+	}).then(() => {
+		if (clearLocal) {
+			clear();
+			deleteDraft();
+		}
+	}).catch((err) => {
+	});
+}
+
 function isAnnoying(text: string): boolean {
 	return text.includes('$[x2') ||
 		text.includes('$[x3') ||
@@ -882,9 +918,9 @@ async function post(ev?: MouseEvent) {
 	let postData = {
 		text: text.value === '' ? null : text.value,
 		fileIds: files.value.length > 0 ? files.value.map(f => f.id) : undefined,
-		replyId: props.reply ? props.reply.id : undefined,
+		replyId: replyTargetNote.value ? replyTargetNote.value.id : undefined,
 		renoteId: renoteTargetNote.value ? renoteTargetNote.value.id : quoteId.value ? quoteId.value : undefined,
-		channelId: props.channel ? props.channel.id : undefined,
+		channelId: targetChannel.value ? targetChannel.value.id : undefined,
 		poll: poll.value,
 		cw: useCw.value ? cw.value ?? '' : null,
 		localOnly: localOnly.value,
@@ -989,6 +1025,10 @@ async function post(ev?: MouseEvent) {
 			if (m === 0 && s === 0) {
 				claimAchievement('postedAt0min0sec');
 			}
+
+			if (serverDraftId.value != null) {
+				misskeyApi('notes/drafts/delete', { draftId: serverDraftId.value });
+			}
 		});
 	}).catch(err => {
 		posting.value = false;
@@ -1092,6 +1132,84 @@ function showPerUploadItemMenuViaContextmenu(item: UploaderItem, ev: MouseEvent)
 	os.contextMenu(menu, ev);
 }
 
+function showDraftMenu(ev: MouseEvent) {
+	function showDraftsDialog() {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkNoteDraftsDialog.vue')), {}, {
+			restore: async (draft: Misskey.entities.NoteDraft) => {
+				text.value = draft.text ?? '';
+				useCw.value = draft.cw != null;
+				cw.value = draft.cw ?? null;
+				visibility.value = draft.visibility;
+				localOnly.value = draft.localOnly ?? false;
+				files.value = draft.files ?? [];
+				hashtags.value = draft.hashtag ?? '';
+				if (draft.hashtag) withHashtags.value = true;
+				if (draft.poll) {
+					// 投票を一時的に空にしないと反映されないため
+					poll.value = null;
+					nextTick(() => {
+						poll.value = {
+							choices: draft.poll!.choices,
+							multiple: draft.poll!.multiple,
+							expiresAt: draft.poll!.expiresAt ? (new Date(draft.poll!.expiresAt)).getTime() : null,
+							expiredAfter: null,
+						};
+					});
+				}
+				if (draft.visibleUserIds) {
+					misskeyApi('users/show', { userIds: draft.visibleUserIds }).then(users => {
+						users.forEach(u => pushVisibleUser(u));
+					});
+				}
+				quoteId.value = draft.renoteId ?? null;
+				renoteTargetNote.value = draft.renote;
+				replyTargetNote.value = draft.reply;
+				reactionAcceptance.value = draft.reactionAcceptance;
+				if (draft.channel) targetChannel.value = draft.channel as unknown as Misskey.entities.Channel;
+
+				visibleUsers.value = [];
+				draft.visibleUserIds?.forEach(uid => {
+					if (!visibleUsers.value.some(u => u.id === uid)) {
+						misskeyApi('users/show', { userId: uid }).then(user => {
+							pushVisibleUser(user);
+						});
+					}
+				});
+
+				serverDraftId.value = draft.id;
+			},
+			cancel: () => {
+
+			},
+			closed: () => {
+				dispose();
+			},
+		});
+	}
+
+	os.popupMenu([{
+		type: 'button',
+		text: i18n.ts._drafts.saveToDraft,
+		icon: 'ti ti-cloud-upload',
+		action: async () => {
+			if (!canSaveAsServerDraft.value) {
+				return os.alert({
+					type: 'error',
+					text: i18n.ts._drafts.cannotCreateDraftOfRenote,
+				});
+			}
+			saveServerDraft();
+		},
+	}, {
+		type: 'button',
+		text: i18n.ts._drafts.listDrafts,
+		icon: 'ti ti-cloud-download',
+		action: () => {
+			showDraftsDialog();
+		},
+	}], (ev.currentTarget ?? ev.target ?? undefined) as HTMLElement | undefined);
+}
+
 onMounted(() => {
 	if (props.autofocus) {
 		focus();
@@ -1204,21 +1322,18 @@ defineExpose({
 
 .headerLeft {
 	display: flex;
-	flex: 0 1 100px;
+	flex: 1;
+	flex-wrap: nowrap;
+	align-items: center;
+	gap: 6px;
+	padding-left: 12px;
 }
 
 .cancel {
-	padding: 0;
-	font-size: 1em;
-	height: 100%;
-	flex: 0 1 50px;
+	padding: 8px;
 }
 
 .account {
-	height: 100%;
-	display: inline-flex;
-	vertical-align: bottom;
-	flex: 0 1 50px;
 }
 
 .avatar {
@@ -1227,6 +1342,20 @@ defineExpose({
 	margin: auto;
 }
 
+.draftButton {
+	padding: 8px;
+	font-size: 90%;
+	border-radius: 6px;
+
+	&:hover {
+		background: light-dark(rgba(0, 0, 0, 0.05), rgba(255, 255, 255, 0.05));
+	}
+
+	&:disabled {
+		background: none;
+	}
+}
+
 .headerRight {
 	display: flex;
 	min-height: 48px;
diff --git a/packages/frontend/src/components/MkPostFormDialog.vue b/packages/frontend/src/components/MkPostFormDialog.vue
index 0a655bab99..1f7796bd83 100644
--- a/packages/frontend/src/components/MkPostFormDialog.vue
+++ b/packages/frontend/src/components/MkPostFormDialog.vue
@@ -7,9 +7,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 <MkModal
 	ref="modal"
 	:preferType="'dialog'"
-	@click="_close()"
+	@click="onBgClick()"
 	@closed="onModalClosed()"
-	@esc="_close()"
+	@esc="onEsc"
 >
 	<MkPostForm
 		ref="form"
@@ -57,6 +57,14 @@ async function _close() {
 	modal.value?.close();
 }
 
+function onEsc(ev: KeyboardEvent) {
+	_close();
+}
+
+function onBgClick() {
+	_close();
+}
+
 function onModalClosed() {
 	emit('closed');
 }