Send File in Angular

sendFile.js

scope.sendFile = function (el) {
    scope.uploading = true;
    var f = $(el).val(),
    	fObj = el.files[0];
    if (f == '') {
    	return false;
    }
    var fPart = f.split('\\'),
    	origFilename = fPart[fPart.length - 1];

    var fData = new FormData();
    fData.append('file_Upload', file);
  
    var size = '60x60';
    
    // send image
    var req = {
    url: path.getMarketplaceUrl('/adbroker/api/image/' + size),
    method: 'POST',
    data: fData
    }
  
  // use $http
};