feat: add pigprice (#3314)

docs/other.md

@@ -231,6 +231,12 @@ type 为 all 时，category 参数不支持 cost 和 free
 
 <Route author="junfengP" example="/mlhang" path="/mlhang" />
 
+## 每日生猪价格
+
+### 每日生猪价格更新
+
+<Route author="importcjj" example="/pork-price" path="/pork-price" />
+
 ## 米坛社区
 
 ### 表盘更新

lib/router.js

@@ -1888,4 +1888,7 @@ router.get('/hk01/hot', require('./routes/hk01/hot'));
 // 码农周刊
 router.get('/manong-weekly', require('./routes/manong-weekly/issues'));
 
+// 每日猪价
+router.get('/pork-price', require('./routes/pork-price'));
+
 module.exports = router;

lib/routes/pork-price/index.js

@@ -0,0 +1,48 @@
+const got = require('@/utils/got');
+
+const base_url = 'https://zhujia.zhuwang.cc/';
+module.exports = async (ctx) => {
+    const now = new Date();
+    const date = `${now.getFullYear()}-${now.getMonth() + 1}-${now.getDate()}`;
+    const response = await got({
+        method: 'get',
+        url: `https://zhujia.zhuwang.cc/index/api/chartData?areaId=-1`,
+        headers: {
+            Referer: base_url,
+        },
+    });
+
+    const names = {
+        pigprice: '生猪(外三元)',
+        pig_local: '生猪(土杂猪)',
+        pig_in: '生猪(内三元)',
+    };
+
+    const priceItems = [];
+    for (const key of Object.keys(names)) {
+        const items = response.data[key];
+        const today = items[items.length - 1];
+        const yesterday = items[items.length - 2];
+        const change = (today - yesterday).toFixed(2);
+        let description = `较昨日价格, 每公斤上涨${change}元`;
+        if (yesterday > today) {
+            description = `较昨日价格, 下跌${change}元`;
+        }
+        if (yesterday === today) {
+            description = '较昨日价格持平';
+        }
+
+        priceItems.push({
+            title: `${date} ${names[key]} ${today}元/公斤. ${description}`,
+            description,
+            link: base_url,
+        });
+    }
+
+    ctx.state.data = {
+        title: `全国今日生猪价格`,
+        desription: '中国养猪网猪价频道是中国猪价权威平台,提供每日猪评,猪价和行情分析,并且预测猪价和分析每天的猪价排行。',
+        link: base_url,
+        item: priceItems,
+    };
+};