feat(route): ktown4u (#17182)

* add ktown4u route

* delete source

* fix some feedback

* Apply suggestions from code review

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lib/routes/ktown4u/artist-brandlist.ts

@@ -0,0 +1,61 @@
+import { Route } from '@/types';
+import ofetch from '@/utils/ofetch';
+import { parseDate } from '@/utils/parse-date';
+
+export const route: Route = {
+    path: '/artistBrandlist/:grpNo/:grpNo2?',
+    categories: ['shopping'],
+    example: '/ktown4u/artistBrandlist/234590/1723449',
+    parameters: { grpNo: 'artist id (Get in url)', grpNo2: 'product category id (Get in url), empty for all categories' },
+    features: {
+        requireConfig: false,
+        requirePuppeteer: false,
+        antiCrawler: false,
+        supportBT: false,
+        supportPodcast: false,
+        supportScihub: false,
+    },
+    radar: [
+        {
+            source: [],
+            target: '/artistBrandlist/:grpNo/:grpNo2',
+        },
+    ],
+    name: 'Get the products on sale',
+    maintainers: ['JamesWDGu'],
+    handler: async (ctx) => {
+        const { grpNo, grpNo2 = '' } = ctx.req.param();
+        const data = await ofetch(`https://cn.ktown4u.com/selectArtistBrandList?cateGrpNo=${grpNo2}&currentPage=1&goodsSearch=newgoods&grpNo=${grpNo}&searchType=ARTIST`, {
+            method: 'POST',
+            headers: {
+                accept: 'application/json, text/plain, */*',
+                'accept-language': 'en,zh-CN;q=0.9,zh;q=0.8',
+            },
+            parseResponse: JSON.parse,
+        });
+        const items = data.map((item) => ({
+            title: item.GOODS_NM,
+            url: item.IMG_PATH,
+            link: `https://cn.ktown4u.com/iteminfo?goods_no=${item.GOODS_NO}`,
+            description: desc(item),
+            pubDate: parseDate(item.RELEASE_DT),
+        }));
+
+        return {
+            title: rssTitle(data),
+            link: `https://cn.ktown4u.com/artistBrandlist?grp_no=${grpNo}&grp_no2=${grpNo2}`,
+            item: items,
+        };
+    },
+};
+
+const rssTitle = (data) => `ktown4u ${data[0].GRP_NM}`;
+
+const desc = (item) => {
+    const saleState = item.SALE_YN === 'N' ? '【售罄】' : '';
+    let price = `${item.CURR_F_CD}${item.DISP_PRICE}`;
+    if (item.DISP_PRICE !== item.DISP_DC_PRICE) {
+        price = `${item.CURR_F_CD}${item.DISP_DC_PRICE} / 原价：${price}`;
+    }
+    return `${saleState} ${price} <br> <img src=${item.IMG_PATH}> <br> ${item.GOODS_NM}`;
+};

lib/routes/ktown4u/namespace.ts

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+import type { Namespace } from '@/types';
+
+export const namespace: Namespace = {
+    name: 'Ktown4u',
+    url: 'ktown4u.com',
+};