From cd949c4f2022919b258272680525b482d871ad5b Mon Sep 17 00:00:00 2001
From: j <j@mailb.org>
Date: Wed, 13 Jan 2016 21:47:51 +0530
Subject: [PATCH] upload files one by one

---
 static/js/utils.js | 60 +++++++++++++++++++++++++++-------------------
 1 file changed, 36 insertions(+), 24 deletions(-)

diff --git a/static/js/utils.js b/static/js/utils.js
index f4dfef3..a02a280 100644
--- a/static/js/utils.js
+++ b/static/js/utils.js
@@ -1012,31 +1012,43 @@ oml.updateDebugMenu = function() {
 };
 
 oml.supportedExtensions = ['pdf', 'epub', 'cbr', 'cbz'];
-oml.upload = function(files, callback) {
-    var request = new XMLHttpRequest(),
-        url = '/api/upload/';
-    request.onreadystatechange = function() {
-        if (request.readyState == 4) {
-            if (request.status == 200) {
-                callback(JSON.parse(request.responseText), null);
-            } else {
-                callback(null, {
-                    code: request.status,
-                    text: request.statusText
-                });
-            }
-        }
-    };
-    var formData = new FormData();
-    for (var i=0; i < files.length; i++) {
-        var extension = Ox.last(files[i].name.split('.'));
+
+oml.upload = function(fileslist, callback) {
+    var files = [], ids = [];
+    for (var i = 0; i < fileslist.length; i++) {
+        var extension = Ox.last(fileslist[i].name.split('.'));
         if (Ox.contains(oml.supportedExtensions, extension)) {
-            formData.append('files', files[i]);
+            files.push(fileslist[i]);
         }
     }
-    if (oml.user.ui._list[0] == ':' && oml.user.ui._list.length > 1) {
-        formData.append('list', oml.user.ui._list.slice(1));
-    }
-    request.open('post', url, true);
-    request.send(formData);
+    Ox.serialForEach(files, function(file, index, array, next) {
+        var request = new XMLHttpRequest(),
+            url = '/api/upload/';
+        request.onreadystatechange = function() {
+            if (request.readyState == 4) {
+                if (request.status == 200) {
+                    next();
+                    var response = JSON.parse(request.responseText);
+                    ids.concat(response.data.ids);
+                } else {
+                    callback(null, {
+                        code: request.status,
+                        text: request.statusText
+                    });
+                }
+            }
+        };
+        var formData = new FormData();
+        formData.append('files', file);
+        if (oml.user.ui._list[0] == ':' && oml.user.ui._list.length > 1) {
+            formData.append('list', oml.user.ui._list.slice(1));
+        }
+        request.open('post', url, true);
+        request.send(formData);
+    }, function() {
+        callback({
+            'status': {'code': 200},
+            'data': {'ids': ids}
+        });
+    });
 };