From 16993004f2fb4142ab8ff1f2256253ebcf5d5b9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs=20Espino?= <jespinog@gmail.com>
Date: Wed, 1 Jul 2015 10:03:36 +0200
Subject: [PATCH] Issue#2993: Fix problem when upload a 0-bytes file

---
 app/coffee/modules/resources/attachments.coffee | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/app/coffee/modules/resources/attachments.coffee b/app/coffee/modules/resources/attachments.coffee
index 327d10a4..af639ccd 100644
--- a/app/coffee/modules/resources/attachments.coffee
+++ b/app/coffee/modules/resources/attachments.coffee
@@ -48,6 +48,8 @@ resourceProvider = ($rootScope, $config, $urls, $model, $repo, $auth, $q) ->
             defered.reject(response)
             return defered.promise
 
+        xhr = new XMLHttpRequest()
+
         uploadProgress = (evt) =>
             $rootScope.$apply =>
                 file.status = "in-progress"
@@ -64,7 +66,14 @@ resourceProvider = ($rootScope, $config, $urls, $model, $repo, $auth, $q) ->
                     data = {}
 
                 model =  $model.make_model(urlName, data)
-                defered.resolve(model)
+                if xhr.status >= 200 and xhr.status < 400
+                    defered.resolve(model)
+                else
+                    response = {
+                        status: xhr.status,
+                        data: {_error_message: JSON.parse(xhr.response)['attached_file']?[0]}
+                    }
+                    defered.reject(response)
 
         uploadFailed = (evt) =>
             $rootScope.$apply ->
@@ -76,7 +85,6 @@ resourceProvider = ($rootScope, $config, $urls, $model, $repo, $auth, $q) ->
         data.append("object_id", objectId)
         data.append("attached_file", file)
 
-        xhr = new XMLHttpRequest()
         xhr.upload.addEventListener("progress", uploadProgress, false)
         xhr.addEventListener("load", uploadComplete, false)
         xhr.addEventListener("error", uploadFailed, false)