fix(route): 修复观察者网风闻社区出现 Invalid Date 的错误 (DIYgod#7458)

KhaledAlkilane89 · May 8, 2021 · 27240d9 · 27240d9
1 parent e4ad73e
commit 27240d9
Showing 1 changed file with 39 additions and 5 deletions.
diff --git a/lib/routes/guancha/personalpage.js b/lib/routes/guancha/personalpage.js
@@ -13,14 +13,48 @@ module.exports = async (ctx) => {
     });
     const list = response.data.data.items;
     const user_nick = list[0].user_nick;
+
+    /** Get time from relative time in HTML */
     function getpass_at(e) {
-        // 修复数据返回缺少年份 但是 几个小时前的就不想写了 = =
-        if (e.length === 11) {
-            const now = new Date();
+        const minuteRelativeTime = /(\d+)\s*分钟前/;
+        const hourRelativeTime = /(\d+)\s*小时前/;
+        const yesterdayRelativeTime = /昨天\s*(\d+):(\d+)/;
+        const shortDate = /(\d+)-(\d+)\s*(\d+):(\d+)/;
+
+        // offset to ADD for transforming China time to UTC
+        const chinaToUtcOffset = -8 * 3600 * 1000;
+        // offset to ADD for transforming local time to UTC
+        const localToUtcOffset = new Date().getTimezoneOffset() * 60 * 1000;
+        // offset to ADD for transforming local time to china time
+        const localToChinaOffset = localToUtcOffset - chinaToUtcOffset;
+
+        let time;
+        if (e === '刚刚') {
+            time = new Date();
+        } else if (minuteRelativeTime.test(e)) {
+            const rel = minuteRelativeTime.exec(e);
+            time = new Date(Date.now() - parseInt(rel[1]) * 60 * 1000);
+        } else if (hourRelativeTime.test(e)) {
+            const rel = hourRelativeTime.exec(e);
+            time = new Date(Date.now() - parseInt(rel[1]) * 60 * 60 * 1000);
+        } else if (yesterdayRelativeTime.test(e)) {
+            const rel = yesterdayRelativeTime.exec(e);
+            // this time is China time data in local timezone
+            time = new Date(Date.now() - 86400 * 1000 + localToChinaOffset);
+            time.setHours(parseInt(rel[1]), parseInt(rel[2]), 0, 0);
+            // transform back to china timezone
+            time = new Date(time.getTime() - localToChinaOffset);
+        } else if (shortDate.test(e)) {
+            const rel = shortDate.exec(e);
+            const now = new Date(Date.now() + localToChinaOffset);
             const year = now.getFullYear();
-            e = year + '-' + e;
+            // this time is China time data in local timezone
+            time = new Date(year, parseInt(rel[1]) - 1, parseInt(rel[2]), parseInt(rel[3]), parseInt(rel[4]));
+            // transform back to china timezone
+            time = new Date(time.getTime() - localToChinaOffset);
+        } else {
+            time = new Date(e);
         }
-        const time = new Date(e).toLocaleString();
         return time;
     }
     ctx.state.data = {