From 434bced6f4aadb8b3291e32f87c4f55454e029d4 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Tue, 14 Feb 2017 08:24:18 +0900
Subject: [PATCH] #160

---
 src/api/common/add-file-to-drive.ts | 25 ++++++++++++++-----------
 src/api/endpoints/drive.js          | 23 ++++++++++++++---------
 2 files changed, 28 insertions(+), 20 deletions(-)

diff --git a/src/api/common/add-file-to-drive.ts b/src/api/common/add-file-to-drive.ts
index bbff93ac7..714eeb520 100644
--- a/src/api/common/add-file-to-drive.ts
+++ b/src/api/common/add-file-to-drive.ts
@@ -79,17 +79,20 @@ export default (
 		}
 	}
 
-	// Fetch all files to calculate drive usage
-	const files = await DriveFile
-		.find({ user_id: user._id }, {
-			fields: {
-				datasize: true,
-				_id: false
-			}
-		});
-
-	// Calculate drive usage (in byte)
-	const usage = files.map(file => file.datasize).reduce((x, y) => x + y, 0);
+	// Calculate drive usage
+	const usage = ((await DriveFile
+		.aggregate([
+			{ $match: { user_id: user._id } },
+			{ $project: {
+				datasize: true
+			}},
+			{ $group: {
+				_id: null,
+				usage: { $sum: '$datasize' }
+			}}
+		]))[0] || {
+			usage: 0
+		}).usage;
 
 	log(`drive usage is ${usage}`);
 
diff --git a/src/api/endpoints/drive.js b/src/api/endpoints/drive.js
index 00f9be780..f0782d8ac 100644
--- a/src/api/endpoints/drive.js
+++ b/src/api/endpoints/drive.js
@@ -15,15 +15,20 @@ import DriveFile from '../models/drive-file';
 module.exports = (params, user) =>
 	new Promise(async (res, rej) =>
 {
-	// Fetch all files to calculate drive usage
-	const files = await DriveFile
-		.find({ user_id: user._id }, {
-			datasize: true,
-			_id: false
-		});
-
-	// Calculate drive usage (in byte)
-	const usage = files.map(file => file.datasize).reduce((x, y) => x + y, 0);
+	// Calculate drive usage
+	const usage = ((await DriveFile
+		.aggregate([
+			{ $match: { user_id: user._id } },
+			{ $project: {
+				datasize: true
+			}},
+			{ $group: {
+				_id: null,
+				usage: { $sum: '$datasize' }
+			}}
+		]))[0] || {
+			usage: 0
+		}).usage;
 
 	res({
 		capacity: user.drive_capacity,