From 4ddf28f34414c93b4f677c7532119494843c2f47 Mon Sep 17 00:00:00 2001
From: Book Pauk <bookpauk@gmail.com>
Date: Mon, 28 Oct 2019 15:55:26 +0700
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=20=D0=BC=D0=B5=D1=82=D0=BE=D0=B4=20unpack?=
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---
 server/core/ZipStreamer.js | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/server/core/ZipStreamer.js b/server/core/ZipStreamer.js
index 7c6b1a30..50eec0c7 100644
--- a/server/core/ZipStreamer.js
+++ b/server/core/ZipStreamer.js
@@ -52,7 +52,26 @@ class ZipStreamer {
         })().catch(reject); });
     }
 
-    unpack(zipFile, entryCallback) {
+    unpack(zipFile, outputDir, entryCallback) {
+        return new Promise((resolve, reject) => {
+            entryCallback = (entryCallback ? entryCallback : () => {});
+            const unzip = new unzipStream({file: zipFile});
+
+            let files = [];
+            unzip.on('extract', (en) => {
+                const entry = {path: en.name, size: en.size, compressedSize: en.compressedSize};
+                entryCallback(entry);
+                files.push(entry);
+            });
+
+            unzip.on('ready', () => {
+                unzip.extract(null, outputDir, (err) => {
+                    if (err) reject(err);
+                    unzip.close();
+                    resolve(files);
+                });
+            });            
+        });
     }
 }