Fix appstore/iap and examples in docs (#614)

docs/README.md

@@ -189,7 +189,7 @@ RSSHub 同时支持 RSS 2.0、Atom 和 [JSON Feed](https://jsonfeed.org/) 输出
 
 #### 内购价格更新（限免） <Author uid="HenryQW"/>
 
-举例: [https://rsshub.app/appstore/iap/cn/id1152443474](https://rsshub.app/appstore/price/cn/id1152443474)
+举例: [https://rsshub.app/appstore/iap/cn/id953286746](https://rsshub.app/appstore/price/cn/id953286746)
 
 路由: `/appstore/iap/:country/:id`
 

docs/en/README.md

@@ -164,7 +164,7 @@ Parameters：
 
 ### App Store/Mac App Store In-App-Purchase Price Drop Alert <Author uid="HenryQW"/>
 
-Eg: [https://rsshub.app/appstore/iap/cn/id1152443474](https://rsshub.app/appstore/price/cn/id1152443474)
+Eg: [https://rsshub.app/appstore/iap/us/id953286746](https://rsshub.app/appstore/price/us/id953286746)
 
 Route: `/appstore/iap/:country/:id`
 

routes/appstore/in-app-purchase.js

@@ -10,36 +10,28 @@ module.exports = async (ctx) => {
 
     const res = await axios.get(target);
     const $ = cheerio.load(res.data);
-    const titleTemp = $('h1')
-        .contents()
-        .first()
-        .text()
-        .trim();
-    const list = $('div.l-row div.we-lockup');
-    const item = list
-        .map((i, e) => ({
-            link,
-            guid: `${titleTemp} ${$(e)
-                .find('h3.we-lockup__title')
-                .text()
-                .trim()} ${$(e)
-                .find('h5')
-                .text()
-                .trim()}`,
-            title: `${titleTemp} ${$(e)
-                .find('h3.we-lockup__title')
-                .text()
-                .trim()} is now ${$(e)
-                .find('h5')
-                .text()
-                .trim()}`,
-            pubDate: new Date(Date.now()).toUTCString(),
-        }))
-        .get();
 
-    const platform = $('.we-localnav__title__product').text();
-
-    const title = `${country === 'cn' ? '内购限免提醒' : 'IAP price watcher'}: ${titleTemp} for ${platform.startsWith('App') ? 'iOS' : 'macOS'}`;
+    const data = JSON.parse($('#shoebox-ember-data-store')[0].firstChild.data);
+    const attributes = data.data.attributes;
+    const titleTemp = attributes.name;
+    const platform = attributes.kind === 'iosSoftware' ? 'iOS' : 'macOS';
+    let title;
+    let item = [];
+    if (attributes.hasInAppPurchases) {
+        title = `${country === 'cn' ? '内购限免提醒' : 'IAP price watcher'}: ${titleTemp} for ${platform}`;
+        const list = data.included.filter((e) => e.type === 'product/app/in-app');
+        item = list.map((e) => {
+            const title = `${e.attributes.name} is now ${e.attributes.price}`;
+            return {
+                link,
+                guid: title,
+                title,
+                pubDate: new Date(Date.now()).toUTCString(),
+            };
+        });
+    } else {
+        title = `${titleTemp} for ${platform} ${country === 'cn' ? ' 不包含内购项目' : 'has no IAP items'}`;
+    }
 
     ctx.state.data = {
         title,