Improve error handling of API (#4345)

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* Update attached_notes.ts

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* Refactor

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* Update call.ts

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* ✌️

* Fix

src/server/api/endpoints/notifications/mark_all_as_read.ts

@@ -14,21 +14,18 @@ export const meta = {
 	kind: 'notification-write'
 };
 
-export default define(meta, (ps, user) => new Promise(async (res, rej) => {
+export default define(meta, async (ps, user) => {
 	// Update documents
 	await Notification.update({
 		notifieeId: user._id,
 		isRead: false
 	}, {
-			$set: {
-				isRead: true
-			}
-		}, {
-			multi: true
-		});
-
-	// Response
-	res();
+		$set: {
+			isRead: true
+		}
+	}, {
+		multi: true
+	});
 
 	// Update flag
 	User.update({ _id: user._id }, {
@@ -39,4 +36,4 @@ export default define(meta, (ps, user) => new Promise(async (res, rej) => {
 
 	// 全ての通知を読みましたよというイベントを発行
 	publishMainStream(user._id, 'readAllNotifications');
-}));
+});