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<?php
// SPDX-FileCopyrightText: 2021 Andrea Chirulescu <andrea.chirulescu@gmail.com>
// SPDX-FileCopyrightText: 2021 Harald Eilertsen <haraldei@anduin.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
if ( !class_exists( 'GiglogAdmin_ImportGigsPage' ) ) {
require_once __DIR__ . '/../../concert.php';
require_once __DIR__ . '/../../venue.php';
class GiglogAdmin_ImportGigsPage {
static function render_html(): void {
?>
<div class="wrap">
<h1>Import gigs</h1>
<p>Import gig data from a tab separated data file.</p>
<form action="<?php menu_page_url( 'giglog_import' ) ?>" enctype="multipart/form-data" method="post">
<?php wp_nonce_field( plugin_basename( __FILE__ ), 'giglog_import_nonce' ); ?>
<label for="giglog_import_file">File: </label>
<input type="file" name="giglog_import_file" id="giglog_import_file">
<?php submit_button(); ?>
</form>
</div>
<?php
}
static function submit_form(): void {
if ('POST' === $_SERVER['REQUEST_METHOD'] && current_user_can('upload_files') && !empty($_FILES['giglog_import_file']['tmp_name'])) {
if (isset($_POST['giglog_import_nonce']) && wp_verify_nonce($_POST['giglog_import_nonce'], plugin_basename( __FILE__ )) ) {
GiglogAdmin_ImportGigsPage::process_upload($_FILES['giglog_import_file']);
}
else {
header("{$_SERVER['SERVER_PROTOCOL']} 403 Forbidden");
wp_die('CSRF validation failed.', 403);
}
}
}
/**
* Imports concert data from a file with tab separated values.
*
* The file must contain the following columns each separated by _one_
* tab character:
*
* 1. Concertname
* 2. Venuename or numeric venue id
* 3. Concert date
* 4. Ticket link
* 5. Event info link
*
* Empty lines are ignored.
*
* @return void
*
* @param array<int, mixed> $file
*/
static function process_upload(array $file): void
{
$fo = new SplFileObject($file['tmp_name']);
$importerrors = [];
$rid=0;
foreach ($fo as $line) {
$rid++;
$line = trim( $line );
if ( !empty($line) ) {
try {
self::process_line( $line );
}
catch (Exception $e) {
$importerrors[] = "Error importing line {$rid}: {$e->getMessage()}";
}
}
}
if (!empty($importerrors)) {
echo implode("<br>", $importerrors);
}
else {
echo ('All rows imported ok');
}
}
static function process_line( string $line ) : void
{
$resultArray = explode("\t", $line);
// unsure if this is needed, considering we are also checking if
// each individual important field is missing. But if they are not
// replaced by tabs, then everything gets shifted so probably best
// to check if a value is empty and NOT replaced by tab
if (count($resultArray) < 6) {
throw new Exception("missing a field");
}
if (! preg_match("/\d{4}\-\d{2}-\d{2}/",$resultArray[3])) {
throw new Exception("invalid date: " . esc_html($resultArray[3]));
}
if (empty(trim($resultArray[0]))) {
throw new Exception("missing concert name");
}
if (empty(trim($resultArray[1]))) {
throw new Exception("missing venue");
}
if (empty(trim($resultArray[2]))) {
throw new Exception("missing city");
}
$condate = date('Y-m-d', strtotime($resultArray[3]));
if ($condate<date("Y-m-d")) {
throw new Exception("has date in the past: " . esc_html($resultArray[3]));
}
$cname = trim($resultArray[0]);
$venue = trim($resultArray[1]);
if (is_numeric($venue)) {
$venue = GiglogAdmin_Venue::get(intval($venue));
if (!$venue) {
throw new Exception("invalid venue id: {$venue}");
}
}
else {
$venue = GiglogAdmin_Venue::find_or_create($venue,trim($resultArray[2]));
}
$ticketlink = trim($resultArray[4]);
$eventlink = trim($resultArray[5]);
GiglogAdmin_Concert::create($cname, $venue->id(), $condate, $ticketlink, $eventlink);
}
}
}
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