/**
* Parses uploaded CSV file and saves new data for the chart.
*
* @since 1.0.0
*
* @access public
*/
public function uploadData()
{
// validate nonce
if (!wp_verify_nonce(filter_input(INPUT_GET, 'nonce'))) {
status_header(403);
exit;
}
// check chart, if chart exists
$chart_id = filter_input(INPUT_GET, 'chart', FILTER_VALIDATE_INT);
if (!$chart_id || !($chart = get_post($chart_id)) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER) {
status_header(400);
exit;
}
$source = null;
$render = new Visualizer_Render_Page_Update();
if (filter_input(INPUT_POST, 'remote_data', FILTER_VALIDATE_URL)) {
$source = new Visualizer_Source_Csv_Remote($_POST['remote_data']);
} elseif (isset($_FILES['local_data']) && $_FILES['local_data']['error'] == 0) {
$source = new Visualizer_Source_Csv($_FILES['local_data']['tmp_name']);
} else {
$render->message = esc_html__("CSV file with chart data was not uploaded. Please, try again.", Visualizer_Plugin::NAME);
}
if ($source) {
if ($source->fetch()) {
$chart->post_content = $source->getData();
wp_update_post($chart->to_array());
update_post_meta($chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries());
update_post_meta($chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName());
update_post_meta($chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0);
$render->data = json_encode($source->getRawData());
$render->series = json_encode($source->getSeries());
} else {
$render->message = esc_html__("CSV file is broken or invalid. Please, try again.", Visualizer_Plugin::NAME);
}
}
$render->render();
exit;
}
