fix(api): 重构多市场日期解析并引入 upsert，彻底解决日期错位与重复写入问题

app/api/cron/fetch-prices/route.ts

@@ -1,7 +1,7 @@
 import { NextResponse } from 'next/server';
 import { db } from '@/db';
 import { assets, assetPricesHistory } from '@/db/schema';
-import { eq, inArray } from 'drizzle-orm';
+import { inArray } from 'drizzle-orm';
 import { ProxyAgent, setGlobalDispatcher } from 'undici';
 
 export const dynamic = 'force-dynamic';
@@ -14,21 +14,36 @@ function formatDateStr(date: Date): string {
   return `${year}-${month}-${day}`;
 }
 
-function parseMarketDate(rawString: string): string {
-  const parts = rawString.split('~');
-  const rawDate = parts[30];
-  if (!rawDate) return new Date().toISOString().split('T')[0];
-
-  if (/^\d{14}$/.test(rawDate)) {
-    return `${rawDate.slice(0, 4)}-${rawDate.slice(4, 6)}-${rawDate.slice(6, 8)}`;
-  }
-
-  if (rawDate.includes('/')) {
-    return rawDate.split(' ')[0].replace(/\//g, '-');
-  }
-
-  return rawDate.split(' ')[0];
-}
+   function parseMarketDate(rawString: string): string {
+      try {
+        const parts = rawString.split('~');
+        const rawDate = parts[30]; 
+    
+        if (!rawDate) throw new Error("Missing date part");
+    
+        // 1. A股 (20260430161416) -> 截取前8位并拼接
+        if (/^\d{14}$/.test(rawDate)) {
+          return `${rawDate.slice(0, 4)}-${rawDate.slice(4, 6)}-${rawDate.slice(6, 8)}`;
+        }
+    
+        // 2. 港股 (2026/04/30 16:08:24) -> 截取日期并替换斜杠
+        if (rawDate.includes('/')) {
+          return rawDate.split(' ')[0].replace(/\//g, '-');
+        }
+    
+        // 3. 美股 (2026-05-01 09:31:00) -> 直接截取日期部分
+        if (rawDate.includes('-')) {
+          return rawDate.split(' ')[0];
+        }
+    
+        throw new Error(`Unrecognized date format: ${rawDate}`);
+      } catch (e) {
+        console.warn("Date parse fallback triggered: ", e);
+        // 极端兜底，实际不应该走到这里
+        const today = new Date();
+        return `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}-${String(today.getDate()).padStart(2, '0')}`;
+      }
+    }
 
 async function fetchStockPrice(asset: { symbol: string; exchange: string | null }): Promise<{ price: string | null; rawResponse: string | null }> {
   const cleanSymbol = asset.symbol.trim().toUpperCase().replace(/[^0-9A-Z.\-]/g, '');
@@ -116,13 +131,11 @@ export async function GET(req: Request) {
       message: 'No active assets to sync',
       date: dateStr,
       synced: 0,
-      skipped: 0,
       failed: 0,
     });
   }
 
   let syncedCount = 0;
-  let skippedCount = 0;
   let failedCount = 0;
   const results: Array<{ symbol: string; price: string | null; status: string }> = [];
 
@@ -146,38 +159,25 @@ export async function GET(req: Request) {
         continue;
       }
 
-      const entryDate = asset.type === 'STOCK' && rawResponse ? parseMarketDate(rawResponse) : dateStr;
+      const parsedDate = asset.type === 'STOCK' && rawResponse ? parseMarketDate(rawResponse) : dateStr;
 
-      const existing = await db
-        .select()
-        .from(assetPricesHistory)
-        .where(
-          eq(assetPricesHistory.assetId, asset.id)
-        )
-        .then((rows) =>
-          rows.filter((row) => row.date === entryDate)
-        );
+      await db.insert(assetPricesHistory)
+        .values({
+          assetId: asset.id,
+          date: parsedDate,
+          price: price.toString(),
+          updateTime: new Date()
+        })
+        .onConflictDoUpdate({
+          target: [assetPricesHistory.assetId, assetPricesHistory.date],
+          set: { 
+            price: price.toString(),
+            updateTime: new Date()
+          }
+        });
 
-      if (existing.length > 0) {
-        await db
-          .update(assetPricesHistory)
-          .set({ price })
-          .where(
-            eq(assetPricesHistory.id, existing[0].id)
-          );
-        skippedCount++;
-        results.push({ symbol: asset.symbol, price, status: 'updated' });
-      } else {
-        await db
-          .insert(assetPricesHistory)
-          .values({
-            assetId: asset.id,
-            price,
-            date: entryDate,
-          });
-        syncedCount++;
-        results.push({ symbol: asset.symbol, price, status: 'inserted' });
-      }
+      syncedCount++;
+      results.push({ symbol: asset.symbol, price, status: 'upserted' });
     } catch (error) {
       failedCount++;
       results.push({ symbol: asset.symbol, price: null, status: 'error' });
@@ -187,9 +187,8 @@ export async function GET(req: Request) {
 
   return NextResponse.json({
     success: true,
-    date: dateStr,
+     date: dateStr,
     synced: syncedCount,
-    skipped: skippedCount,
     failed: failedCount,
     details: results,
   });