/**
* Creates Xslt_transformer injecting dependencies.
* Input params must be the same as in the __construct
*
* @access public
* @static
*
* @param $file_path
* The path to the file to convert.
*
* @return Xslt_transformer
*/
public static function build($file_path)
{
$xslt_transformer = new Xslt_transformer($file_path);
$CI = get_instance();
$xslt_transformer->set_enketo_xslt_lib_location($CI->config->item('aw_enketo_xslt_lib'));
return $xslt_transformer;
}
/**
* Converting a valid file.
*/
public function test_xslt_transformer_valid()
{
$xslt_transformer = new Xslt_transformer('tests/test_resources/surveys/super_simple_survey.xml');
$xslt_transformer->set_enketo_xslt_lib_location('./application/third_party/enketo-xslt/');
$result = $xslt_transformer->get_transform_result_sxe();
$errors = $xslt_transformer->get_errors();
// Every error group should be empty.
foreach ($errors as $error_group) {
$this->assertEmpty($error_group);
}
$this->assertInstanceOf('SimpleXMLElement', $result);
}
/**
* Enketo API
* Converts the survey xml file to html for enketo to use
*
* @param int $sid
* The survey id
*
* JSON output:
* status : {
* code : ,
* message:
* },
* xml_form : the xml form
*/
public function api_survey_xslt_transform($sid)
{
$survey = $this->survey_model->get($sid);
if (!$survey) {
return $this->api_output(404, 'Invalid survey.', array('xml_form' => NULL));
}
if (!$survey->has_xml()) {
return $this->api_output(500, 'Xml file not present.', array('xml_form' => NULL));
}
if (!has_permission('enketo collect data any') && !has_permission('enketo testrun any')) {
if (!has_permission('enketo collect data assigned') && !has_permission('enketo testrun assigned')) {
return $this->api_output(403, 'Not allowed.', array('xml_form' => NULL));
} else {
if (!$survey->is_assigned_agent(current_user()->uid)) {
return $this->api_output(403, 'Not allowed.', array('xml_form' => NULL));
}
}
}
// Since the xslt transform is used both for testrun and collect
// there's no way to tell them apart.
if (!$survey->status_allows('enketo collect data') && !$survey->status_allows('enketo testrun')) {
return $this->api_output(403, 'Not allowed.', array('xml_form' => NULL));
}
$this->load->helper('xslt_transformer');
$xslt_transformer = Xslt_transformer::build($survey->get_xml_full_path());
$result = $xslt_transformer->get_transform_result_sxe()->asXML();
return $this->api_output(200, 'Ok!', array('xml_form' => $result));
}