category.php

<?php

declare(strict_types=1);

set_time_limit(120);
@session_start(['read_and_close' => true]);

require_once 'html_headers.php';
require_once 'setup.php';

const GET_IS_OKAY = [
    'CS1 maint: PMC format',
    'CS1 maint: date format',
    'CS1 maint: MR format',
    'CS1 maint: bibcode',
    'CS1 maint: PMC embargo expired',
    'CS1 maint: extra punctuation',
    'CS1 maint: unflagged free DOI',
    'Articles with missing Cite arXiv inputs',
    'CS1 errors: DOI',
    'CS1 errors: dates',
    'CS1 errors: extra text: edition',
    'CS1 errors: extra text: issue',
    'CS1 errors: extra text: pages',
    'CS1 errors: extra text: volume',
    'CS1 errors: chapter ignored',
    'CS1 errors: invisible characters',
];

$api = new WikipediaBot();
$category = '';
if (is_string(@$_POST["cat"])) {
    $category = trim($_POST["cat"]);
}
if (strtolower(substr($category, 0, 9)) === 'category:') {
    $category = trim(substr($category, 9));
}
if ($category === '' && isset($_GET["cat"])) {
   $try = trim(urldecode((string) $_GET["cat"]));
   if (in_array($try, GET_IS_OKAY, true)) {
       $category = $try;
   }
}

bot_html_header();
check_blocked();
$edit_summary_end = "| Suggested by " . $api->get_the_user() . " | [[Category:$category]] | #UCB_Category ";

if ($category) {
  $pages_in_category = WikipediaBot::category_members($category);
  if (empty($pages_in_category)) {
    report_warning('Category appears to be empty');
    bot_html_footer();
    exit;
  }
  $pages_in_category = array_unique($pages_in_category); // Paranoid
  shuffle($pages_in_category);

  $total = count($pages_in_category);
  if ($total > intval(MAX_PAGES / 4)) {
    report_warning( 'Category is huge (' . (string) $total . ')  Cancelling run. Pick a smaller category (maximum size is ' . (string) intval(MAX_PAGES / 4) . ').  Listen to Obi-Wan Kenobi:  You want to go home and rethink your life.');
    echo "\n\n";
    foreach ($pages_in_category as $page_title) {
       echo echoable((string) $page_title) . "\n";
    }
    echo "\n\n";
    bot_html_footer();
    exit;
  }
  unset($total, $category);
  edit_a_list_of_pages($pages_in_category, $api, $edit_summary_end);
} else {
  if (isset($_POST["cat"])) {
    report_warning("Invalid category on the webform.");
  } elseif (isset($_GET["cat"])) {
    report_warning("You must specify the category using the webform.  Got: " . echoable($_GET["cat"]));
  } else {
    report_warning("Nothing requested -- OR -- category got lost during initial authorization.");
  }
  bot_html_footer();
}
exit;
?>