From 98554579eafd2765644c9b3ff37d33a26b6e5ceb Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 25 Mar 2025 16:09:19 +0900
Subject: enhance: チャットのリアクションを削除できるように
MIME-Version: 1.0
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---
 packages/frontend/src/pages/chat/XMessage.vue | 11 ++++++++++-
 packages/frontend/src/pages/chat/room.vue     | 12 ++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

(limited to 'packages/frontend/src')

diff --git a/packages/frontend/src/pages/chat/XMessage.vue b/packages/frontend/src/pages/chat/XMessage.vue
index bc348c6fb1..3dae772db1 100644
--- a/packages/frontend/src/pages/chat/XMessage.vue
+++ b/packages/frontend/src/pages/chat/XMessage.vue
@@ -32,7 +32,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			:moveClass="prefer.s.animation ? $style.transition_reaction_move : ''"
 			tag="div" :class="$style.reactions"
 		>
-			<div v-for="record in message.reactions" :key="record.reaction + record.user.id" :class="$style.reaction">
+			<div v-for="record in message.reactions" :key="record.reaction + record.user.id" :class="$style.reaction" @click="onReactionClick(record)">
 				<MkAvatar :user="record.user" :link="false" :class="$style.reactionAvatar"/>
 				<MkReactionIcon
 					:withTooltip="true"
@@ -87,6 +87,15 @@ function react(ev: MouseEvent) {
 	});
 }
 
+function onReactionClick(record: Misskey.entities.ChatMessage['reactions'][0]) {
+	if (record.user.id === $i.id) {
+		misskeyApi('chat/messages/unreact', {
+			messageId: props.message.id,
+			reaction: record.reaction,
+		});
+	}
+}
+
 function showMenu(ev: MouseEvent) {
 	const menu: MenuItem[] = [];
 
diff --git a/packages/frontend/src/pages/chat/room.vue b/packages/frontend/src/pages/chat/room.vue
index 8ffaf233cf..5938fd2688 100644
--- a/packages/frontend/src/pages/chat/room.vue
+++ b/packages/frontend/src/pages/chat/room.vue
@@ -170,6 +170,7 @@ async function initialize() {
 		connection.value.on('message', onMessage);
 		connection.value.on('deleted', onDeleted);
 		connection.value.on('react', onReact);
+		connection.value.on('unreact', onUnreact);
 	} else {
 		const [r, m] = await Promise.all([
 			misskeyApi('chat/rooms/show', { roomId: props.roomId }),
@@ -189,6 +190,7 @@ async function initialize() {
 		connection.value.on('message', onMessage);
 		connection.value.on('deleted', onDeleted);
 		connection.value.on('react', onReact);
+		connection.value.on('unreact', onUnreact);
 	}
 
 	window.document.addEventListener('visibilitychange', onVisibilitychange);
@@ -268,6 +270,16 @@ function onReact(ctx) {
 	}
 }
 
+function onUnreact(ctx) {
+	const message = messages.value.find(m => m.id === ctx.messageId);
+	if (message) {
+		const index = message.reactions.findIndex(r => r.reaction === ctx.reaction && r.user.id === ctx.user.id);
+		if (index !== -1) {
+			message.reactions.splice(index, 1);
+		}
+	}
+}
+
 function onIndicatorClick() {
 	showIndicator.value = false;
 }
-- 
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