From b4b4f810112d029315d7145d624545b9011d0248 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Thu, 13 Feb 2020 11:44:58 +0900
Subject: [PATCH] Fix #5930

---
 CHANGELOG.md                   | 5 +++++
 locales/ja-JP.yml              | 2 ++
 src/client/pages/messaging.vue | 8 ++++++++
 3 files changed, 15 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02a227bcf..79fd22722 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 ChangeLog
 =========
 
+unreleased
+-------------------
+### 🐛Fixes
+* グループがない状態でグループチャットを開始しようとするとフリーズする問題を修正
+
 12.8.0 (2020/02/13)
 --------------------
 ### ✨Improvements
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 02992b3b6..b1400d479 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -389,6 +389,8 @@ uiLanguage: "UIの表示言語"
 groupInvited: "グループに招待されました"
 aboutX: "{x}について"
 useOsNativeEmojis: "OSネイティブの絵文字を使用"
+noGroups: "グループがありません"
+joinOrCreateGroup: "既存のグループに招待してもらうか、新しくグループを作成してください。"
 
 _ago:
   unknown: "謎"
diff --git a/src/client/pages/messaging.vue b/src/client/pages/messaging.vue
index 4b6f49d82..e2880306f 100644
--- a/src/client/pages/messaging.vue
+++ b/src/client/pages/messaging.vue
@@ -139,6 +139,14 @@ export default Vue.extend({
 		async startGroup() {
 			const groups1 = await this.$root.api('users/groups/owned');
 			const groups2 = await this.$root.api('users/groups/joined');
+			if (groups1.length === 0 && groups2.length === 0) {
+				this.$root.dialog({
+					type: 'warning',
+					title: this.$t('noGroups'),
+					text: this.$t('joinOrCreateGroup'),
+				});
+				return;
+			}
 			const { canceled, result: group } = await this.$root.dialog({
 				type: null,
 				title: this.$t('group'),