/**
* Get preview for sample CSV data
*
* @since 3.0.0
*/
public function get_preview()
{
check_ajax_referer('get-csv-preview', 'security');
$delimiter = isset($_GET['delimiter']) ? $_GET['delimiter'] : ',';
$file = isset($_GET['file']) ? $_GET['file'] : '';
if (!$file) {
wp_die();
}
list($data, $headers) = WC_CSV_Import_Suite_Parser::parse_sample_data($file, $delimiter);
$data = array(1 => $headers) + $data;
echo WC_CSV_Import_Suite_Parser::generate_html_rows($data);
wp_die();
}
/**
* Manages the separate stages of the CSV import process
*
* This method may be called either before any output is sent to the buffer
* or when some output has already been sent. The first case should only
* be used for handling POST requests in the CSV import process, and visitor
* should be redirected to a idempotent page after processing the request.
*
* The importer class uses the 'redirect after post' pattern - and all
* subclasses must also follow the same pattern.
* This is to make sure reloading a screen during import does not alter the
* import progress in any way.
*
* 1. Display introductory text and source select
* 2. Handle the physical upload/sideload of the source
* 3. Detect delimiter, display preview and import options
* 4. Display column mapper
* 5. Kick-off parsing & importing from the input source
*
* @since 3.0.0
*/
public function dispatch()
{
// prevent dispatching more than once
if ($this->has_dispatched) {
return;
}
$this->has_dispatched = true;
$step = isset($_GET['step']) ? (int) $_GET['step'] : 0;
$type = isset($_GET['import']) ? sanitize_key($_GET['import']) : null;
$source = isset($_GET['source']) ? sanitize_key($_GET['source']) : null;
$action = isset($_REQUEST['action']) ? trim($_REQUEST['action']) : null;
$file = isset($_REQUEST['file']) ? trim($_REQUEST['file']) : null;
$job_id = isset($_REQUEST['job_id']) ? trim($_REQUEST['job_id']) : null;
if (!$action) {
$this->header();
}
// non-idempotent steps - action/POST request handlers
if ($action) {
switch ($action) {
// handle source upload/sideload
case 'upload':
check_admin_referer('import-upload');
$file_path = $this->handle_upload($type, $source);
if ($file_path) {
$redirect_to = admin_url('admin.php?import=' . $type . '&step=2&file=' . urlencode($file_path));
wp_safe_redirect($redirect_to);
exit;
}
break;
// kick-off parsing & import
// kick-off parsing & import
case 'kickoff':
check_admin_referer('import-woocommerce');
if ($file) {
$bytes = filesize($file);
/**
* Filter CSV import options
*
* @since 3.0.0
* @param array $options
* @param string $file Path to CSV file
* @param string $type Import type
*/
$options = apply_filters('wc_csv_import_suite_import_options', (array) $_REQUEST['options'], $file, $type);
// Setting default options will ensure that these options are set
// even if they're unchecked
$default_options = array('merge' => false, 'dry_run' => false, 'insert_non_matching' => false);
$options = wp_parse_args($options, $default_options);
$job_data = array('type' => $type, 'file' => $file, 'bytes' => $bytes);
$this->start_background_import($job_data, $options);
}
break;
case 'run_live':
check_admin_referer('import-woocommerce');
if ($job_id) {
$results = get_option('wc_csv_import_suite_background_import_job_' . $job_id);
if ($results) {
$job = json_decode($results, true);
if ('completed' == $job['status']) {
$options = $job['options'];
$options['dry_run'] = false;
$job_data = $job['data'];
}
$this->start_background_import($job_data, $options);
}
}
break;
}
} else {
switch ($step) {
// 0. greeting and import source options form
case 0:
// render job import progress
if ($job_id) {
$this->render_import_progress($_GET['job_id']);
} else {
$this->render_import_source_options();
}
break;
// 1. display file upload / url / copy-paste input form
// 1. display file upload / url / copy-paste input form
case 1:
$this->render_source_input_form($type, $source);
break;
// 2. detect delimiter and render additional options & preview
// 2. detect delimiter and render additional options & preview
case 2:
if ($file) {
$sample = WC_CSV_Import_Suite_Parser::get_sample($file);
$delimiter = $this->guess_delimiter($sample);
list($data, $headers) = WC_CSV_Import_Suite_Parser::parse_sample_data($file, $delimiter);
$data = array(1 => $headers) + $data;
$this->render_import_options($data, $delimiter);
}
break;
// 3. display column mapper
// 3. display column mapper
case 3:
if ($file) {
$options = (array) $_REQUEST['options'];
list($data, $raw_headers) = WC_CSV_Import_Suite_Parser::parse_sample_data($file, $options['delimiter'], 3);
$this->render_column_mapper($data, $options, $raw_headers);
}
break;
}
}
if (!$action) {
$this->footer();
}
}
