feat(route/castanet): add Castanet news (#21607)

* feat(route/castanet): add Castanet news

* fix(route/castanet): correct spelling of 'West Kelowna' to 'West-Kelowna'

lib/routes/castanet/namespace.ts

@@ -0,0 +1,7 @@
+import type { Namespace } from '@/types';
+
+export const namespace: Namespace = {
+    name: 'Castanet',
+    url: 'www.castanet.net',
+    lang: 'en',
+};

lib/routes/castanet/news.ts

@@ -0,0 +1,104 @@
+import { load } from 'cheerio';
+
+import type { Route } from '@/types';
+import cache from '@/utils/cache';
+import ofetch from '@/utils/ofetch';
+import parser from '@/utils/rss-parser';
+
+const feeds = {
+    'Top Headlines': 'topheadlines',
+    'Recent Headlines': 'mostrecent',
+    Kelowna: 'page-1',
+    'West-Kelowna': 'page-101',
+    Peachland: 'page-86',
+    Vernon: 'page-2',
+    'Salmon-Arm': 'page-61',
+    Penticton: 'page-21',
+    'Oliver-Osoyoos': 'page-87',
+    Kamloops: 'page-48',
+    Nelson: 'page-91',
+    BC: 'page-3',
+    Canada: 'page-4',
+    World: 'page-5',
+    Business: 'page-6',
+    Sports: 'page-7',
+    ShowBiz: 'page-8',
+};
+
+export const route: Route = {
+    path: '/:category?',
+    categories: ['traditional-media'],
+    example: '/castanet/Kelowna',
+    parameters: {
+        category: {
+            options: Object.keys(feeds).map((k) => ({
+                value: k,
+                label: k,
+            })),
+            description: 'Category',
+            default: 'Recent Headlines',
+        },
+    },
+    radar: [
+        {
+            source: ['www.castanet.net/news/:category/'],
+            target: '/:category',
+        },
+        {
+            source: ['www.castanet.net/'],
+            target: '/',
+        },
+    ],
+    name: 'News',
+    maintainers: ['TonyRL'],
+    handler,
+    url: 'www.castanet.net',
+};
+
+async function handler(ctx) {
+    const category = ctx.req.param('category') ?? 'Recent Headlines';
+    const baseUrl = 'https://www.castanet.net';
+    const feedFile = feeds[category] ?? category;
+    const feedUrl = `${baseUrl}/rss/${feedFile}.xml`;
+
+    const feed = await parser.parseURL(feedUrl);
+
+    const items = await Promise.all(
+        feed.items.map((item) =>
+            cache.tryGet(item.link as string, async () => {
+                const response = await ofetch(item.link as string);
+                const $ = load(response);
+
+                delete item.content;
+                delete item.contentSnippet;
+                delete item.isoDate;
+
+                const content = $('.newsstory');
+                content.find('.newsheadlinefull, .newsheadline, .byline, .click_gallery').remove();
+                if (content.find('.gallery_img1').length) {
+                    const a = content.find('.gallery_img1 a').toArray();
+                    content.find('.gallery_img1').next().remove();
+                    for (const ele of a) {
+                        const $ele = $(ele);
+                        const href = $ele.attr('href');
+                        const figure = `<figure><img src="${href}" alt="${$ele.text().trim()}"><figcaption>${$ele.attr('title')?.trim() ?? ''}</figcaption></figure>`;
+                        $ele.replaceWith(figure);
+                    }
+                }
+
+                item.description = content.html()?.trim();
+
+                return item;
+            })
+        )
+    );
+
+    return {
+        title: feed.title,
+        link: feed.link,
+        description: feed.description,
+        image: feed.image?.url,
+        language: feed.language,
+        item: items,
+    };
+}