Merge pull request #359 from hmhealey/mm1770

MM-1770 Add the ability to cancel in-progress file uploads

web/react/utils/client.jsx

@@ -754,7 +754,7 @@ module.exports.getProfiles = function(success, error) {
 };
 
 module.exports.uploadFile = function(formData, success, error) {
-    $.ajax({
+    var request = $.ajax({
         url: "/api/v1/files/upload",
         type: 'POST',
         data: formData,
@@ -763,12 +763,16 @@ module.exports.uploadFile = function(formData, success, error) {
         processData: false,
         success: success,
         error: function(xhr, status, err) {
-            e = handleError("uploadFile", xhr, status, err);
-            error(e);
+            if (err !== 'abort') {
+                e = handleError("uploadFile", xhr, status, err);
+                error(e);
+            }
         }
     });
 
     module.exports.track('api', 'api_files_upload');
+
+    return request;
 };
 
 module.exports.getPublicLink = function(data, success, error) {

web/react/utils/utils.jsx

@@ -913,3 +913,24 @@ module.exports.getFileName = function(path) {
     var split = path.split('/');
     return split[split.length - 1];
 };
+
+// Generates a RFC-4122 version 4 compliant globally unique identifier.
+module.exports.generateId = function() {
+    // implementation taken from http://stackoverflow.com/a/2117523
+    var id = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx';
+
+    id = id.replace(/[xy]/g, function(c) {
+        var r = Math.floor(Math.random() * 16);
+
+        var v;
+        if (c === 'x') {
+            v = r;
+        } else {
+            v = r & 0x3 | 0x8;
+        }
+
+        return v.toString(16);
+    });
+
+    return id;
+};