feat: add China National Museum exhibition route

lib/routes/chnmuseum/zl.ts

@@ -0,0 +1,140 @@
+import { load } from 'cheerio';
+import type { Context } from 'hono';
+
+import type { Data, DataItem, Route } from '@/types';
+import cache from '@/utils/cache';
+import got from '@/utils/got';
+import { parseDate } from '@/utils/parse-date';
+
+// Formatting Function: Returns YYYY-MM-DD only if there are 3 valid numeric segments; otherwise, returns undefined.
+const formatExhibitionDate = (dateStr: string | undefined): string | undefined => {
+    if (!dateStr) return undefined;
+    const normalized = dateStr.replace(/年|月/g, '-').replace(/日/g, '').replace(/\//g, '-').replace(/\./g, '-');
+    const parts = normalized.split('-').filter(Boolean);
+    if (parts.length === 3) {
+        return `${parts[0]}-${parts[1].padStart(2, '0')}-${parts[2].padStart(2, '0')}`;
+    }
+    return undefined;
+};
+
+const parseExhibitionDuration = (duration: string) => {
+    // Remove all spaces and parentheses to prevent regex matching from breaking
+    const cleanStr = duration.replace(/\s+/g, '').replace(/（[^）]*）/g, '').trim();
+
+    // Match YYYY-MM-DD or MM-DD
+    const dateRegex = /(\d{4}[./-年]\d{1,2}[./-月]\d{1,2}日?)|(\d{1,2}[./-月]\d{1,2}日?)/g;
+    const allDates = cleanStr.match(dateRegex) || [];
+
+    let startDateRaw: string | undefined;
+    let endDateRaw: string | undefined;
+
+    if (cleanStr.startsWith('展至') && allDates.length > 0) {
+        endDateRaw = allDates[0];
+    } else if (allDates.length >= 2) {
+        startDateRaw = allDates[0];
+        let rawEnd = allDates[1];
+        // Logic to complete the year
+        if (!/\d{4}/.test(rawEnd) && startDateRaw) {
+            const startYear = startDateRaw.match(/^\d{4}/);
+            if (startYear) {
+                const sep = startDateRaw.includes('年') ? '年' : (startDateRaw.includes('/') ? '/' : '-');
+                rawEnd = `${startYear[0]}${sep}${rawEnd}`;
+            }
+        }
+        endDateRaw = rawEnd;
+    } else if (allDates.length === 1) {
+        if (cleanStr.includes('展至')) {
+            endDateRaw = allDates[0];
+        } else {
+            startDateRaw = allDates[0];
+        }
+    }
+
+    return {
+        startDate: formatExhibitionDate(startDateRaw),
+        endDate: formatExhibitionDate(endDateRaw)
+    };
+};
+
+export const route: Route = {
+    path: '/zl',
+    categories: ['travel'],
+    example: '/chnmuseum/zl',
+    // Use Chnmuseum English version channel name
+    name: 'Current Exhibitions',
+    maintainers: ['magazian'],
+    radar: [
+        {
+            source: ['www.chnmuseum.cn/zl/'],
+            target: '/zl',
+        },
+    ],
+    handler: async (_ctx: Context): Promise<Data> => {
+        const baseUrl = 'https://www.chnmuseum.cn';
+        const url = `${baseUrl}/zl/`;
+
+        const response = await got(url);
+        const $ = load(response.data);
+
+        const list: DataItem[] = await Promise.all(
+            $('ul#div li').toArray().map(async (item) => {
+                const $item = $(item);
+
+                const rawLink = $item.find('a.recurl').attr('href') || '';
+                const itemLink = rawLink.startsWith('.') ? new URL(rawLink, url).href : `${baseUrl}${rawLink}`;
+
+                const title = $item.find('div.cj_zxx3 p').text();
+                const imgUrl = new URL($item.find('img').first().attr('src') || '', url).href;
+                const location = $item.find('div.cj_zxx1').text().trim();
+
+                let fullDuration = $item.find('div.cj_zxx2 p').text().trim();
+
+                // --- Check if the text ends with "..." If so, proceed to fetch the full version. ---
+                if (fullDuration.endsWith('...')) {
+                    fullDuration = await cache.tryGet(itemLink, async () => {
+                        const detailResponse = await got(itemLink);
+                        const html = detailResponse.data;
+                        const dateRegex = /var\s+qtxszq\s*=\s*"(.*?)";/;
+                        const match = html.match(dateRegex);
+                        return match && match[1] ? match[1] : fullDuration;
+                    }) as string;
+                }
+
+                const { startDate, endDate } = parseExhibitionDuration(fullDuration);
+
+                // Variable Handling: If the value is `undefined`, it remains `undefined` to facilitate subsequent processing by the Calendar component.
+                const pubDate = startDate ? parseDate(startDate) : undefined;
+
+                const $desc = load('<div></div>', null, false);
+
+                if (imgUrl) {
+                    $desc('div').append(`<img src="${imgUrl}">`);
+                    $desc('div').append('<br>');
+                }
+                $desc('div').append(`<p><b>地点：</b>${location}</p>`);
+                $desc('div').append(`<p><b>开展：</b>${startDate ?? '未定/常设'}</p>`);
+                $desc('div').append(`<p><b>闭展：</b>${endDate ?? '未定/常设'}</p>`);
+                $desc('div').append(`<p><small>原始展期：${fullDuration}</small></p>`);
+
+                return {
+                    title,
+                    link: itemLink,
+                    pubDate,
+                    description: $desc.html(),
+                    // For further processing in Calendar, keep the raw dates in _extra
+                    _extra: {
+                        startDate,
+                        endDate
+                    }
+                };
+            })
+        );
+
+        return {
+            title: '中国国家博物馆 - 正在展出',
+            link: url,
+            language: 'zh-CN',
+            item: list,
+        };
+    },
+};