<?php
require_once "../lib/common.inc.php";
require_once "../lib/SimpieView.php";
require_once "../models/BookPage.php";
$page_name = isset($_GET['p']) && $_GET['p'] ? trim($_GET['p']) : 'index';
try {
ensure_page_name_safe($page_name);
$page = new BookPage($page_name);
// 线下模式不显示修改时间，因为从Github读取需要的时间太长
$page_last_update_time = IN_PROD_MODE ? $page->getLastUpdatedAt(true, "Y-m-d H:h") : false;
// 如果获取修改时间失败，则先暂时禁用缓存，否则无法重新获取最后修改时间
if ($page_last_update_time === false) {
PageCache::disable();
}
$view = new SimpieView($page->toHtml(), "../templates/layout/book.php", SimpieView::IS_RAW_TEXT);
$view->render(array('title' => $page->getTitle(), 'page' => $page, 'chapt_list' => BookPage::getChapterList(), 'is_detail_view' => $page_name != 'index', 'page_last_update_time' => $page_last_update_time));
} catch (PageNotFoundException $e) {
// 尝试查找是否是因为章节调整导致地址发生变化导致的404
// 通过永久重定向解决搜索引擎和错误地址的问题
if ($similar_page_name = BookPage::getMostSimilarPageFromPageName($page_name)) {
redirect_to("/book?p=" . $similar_page_name, 301);
}
header($_SERVER['SERVER_PROTOCOL'] . " 404 Not Found");
header("Status: 404 Not Found");
$view = 404;
$title = "Page Not Found";
$view = new SimpieView("../templates/book_page_{$view}.php", "../templates/layout/book.php");
$view->render(array('book_page' => $page_name, 'exception' => $e, 'title' => $title, 'rev' => $rev, 'exception' => $e, 'is_detail_view' => true, 'chapt_list' => $chapt_list));
}