From ab9f6c6d6c5daea2ab5fd87d48e39367348e554a Mon Sep 17 00:00:00 2001
From: dolymood <dolymood@gmail.com>
Date: Wed, 18 Oct 2017 21:39:45 +0800
Subject: [PATCH] checkChunkUploadedByResponse demo

---
 samples/Node.js/app.js        |  2 +-
 samples/Node.js/public/app.js | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/samples/Node.js/app.js b/samples/Node.js/app.js
index a514a9b..cf38e1c 100644
--- a/samples/Node.js/app.js
+++ b/samples/Node.js/app.js
@@ -43,7 +43,7 @@ app.get('/upload', function(req, res) {
       res.header("Access-Control-Allow-Origin", "*");
     }
 
-    res.status(status == 'found' ? 200 : 404).send(status);
+    res.status(status == 'found' ? 200 : 204).send(status);
   });
 });
 
diff --git a/samples/Node.js/public/app.js b/samples/Node.js/public/app.js
index 0cba3c3..3527806 100644
--- a/samples/Node.js/public/app.js
+++ b/samples/Node.js/public/app.js
@@ -2,7 +2,17 @@
   var r = new Uploader({
     target: '/upload',
     chunkSize: 1024 * 1024,
-    testChunks: false
+    testChunks: true,
+    checkChunkUploadedByResponse: function (chunk, message) {
+      var objMessage = {}
+      try {
+        objMessage = JSON.parse(message)
+      } catch (e) {}
+      // fake response
+      // objMessage.uploaded_chunks = [2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 17, 20, 21]
+      // check the chunk is uploaded
+      return (objMessage.uploaded_chunks || []).indexOf(chunk.offset + 1) >= 0
+    }
   });
   // simple-uploader.js isn't supported, fall back on a different method
   if (!r.support) {