Angular function for fileupload

foo-temp-angular-fileupload.js

    fun.uploadImage = function($files, $event, status) {
            var def = $q.defer();

            if (!$files) return def.promise;

            status.error = null;
            status.active = true;
            status.perc = 0;
            var req;

            var urlUpload = _.isString($files);
            var linkDragDrop = $files.length === 0;
            if (urlUpload || linkDragDrop) {
                // "Upload" by url
                var url = $files;
                if (linkDragDrop) {
                    console.log($event);
                    var link = $event.dataTransfer.getData('text/uri-list');
                    console.log(link);
                    if (link.length > 0) {
                        url = angular.element(link).src;
                        console.log(url);
                    }
                }

                req = $http.post('/api/images', {
                    url: url,
                });
            } else {
                req = $upload.upload({
                    url: '/api/images',
                    file: $files[0],
                }).progress(function(evt) {
                    status.perc = parseInt(100.0 * evt.loaded / evt.total);
                });
            }

            req.success(function(data) {
                def.resolve(data);
            }).error(function(err) {
                status.error = err;
                def.reject();
            }).finally(function() {
                status.active = false;
            });

            return def.promise;
        };