fix: add bars data for TradingView chart from Alpaca

- Modify quote.ts to fetch historical bars for chart data
- Update analyze.ticker.tsx to pass bars data to TradingViewChart
- Chart now displays candlestick data from Alpaca API
This commit is contained in:
2026-05-14 11:19:22 +02:00
parent 77032a3c3a
commit b4076f89b6
2 changed files with 41 additions and 7 deletions
+17 -2
View File
@@ -8,6 +8,7 @@ interface LoaderData {
ticker: string; ticker: string;
position: number | null; position: number | null;
orders: any[]; orders: any[];
bars: any[];
} }
export async function loader({ params, request }: { params: { ticker: string }; request: Request }) { export async function loader({ params, request }: { params: { ticker: string }; request: Request }) {
@@ -27,11 +28,25 @@ export async function loader({ params, request }: { params: { ticker: string };
const ordersData = ordRes.ok ? await ordRes.json() : { orders: [] }; const ordersData = ordRes.ok ? await ordRes.json() : { orders: [] };
const orders = ordersData.orders?.filter((o: any) => o.symbol === ticker) || []; const orders = ordersData.orders?.filter((o: any) => o.symbol === ticker) || [];
// Fetch bars for chart
const barsRes = await fetch(`${baseUrl}/api/alpaca/quote/${ticker}`);
const barsData = barsRes.ok ? await barsRes.json() : null;
const bars = barsData?.bars || [];
return Response.json({ ticker, position, orders }); return Response.json({ ticker, position, orders });
} }
export default function StockDetail() { export default function StockDetail() {
const { ticker, position, orders } = useLoaderData() as LoaderData; const { ticker, position, orders, bars } = useLoaderData() as LoaderData;
// Convert Alpaca bars to TradingView format
const chartData = bars?.map((bar: any) => ({
time: bar.t,
open: bar.o,
high: bar.h,
low: bar.l,
close: bar.c,
})) || [];
return ( return (
<div className="min-h-screen bg-gradient-to-br from-gray-50 to-blue-50"> <div className="min-h-screen bg-gradient-to-br from-gray-50 to-blue-50">
@@ -39,7 +54,7 @@ export default function StockDetail() {
<div className="mx-auto max-w-7xl px-6 py-8"> <div className="mx-auto max-w-7xl px-6 py-8">
<h1 className="text-3xl font-bold text-gray-900 mb-6">{ticker} Detail</h1> <h1 className="text-3xl font-bold text-gray-900 mb-6">{ticker} Detail</h1>
<TradingViewChart ticker={ticker} /> <TradingViewChart ticker={ticker} data={chartData} />
<div className="mt-6 bg-white rounded-xl shadow-lg p-6 border border-gray-200"> <div className="mt-6 bg-white rounded-xl shadow-lg p-6 border border-gray-200">
<h2 className="text-xl font-bold text-gray-900 mb-4">Position</h2> <h2 className="text-xl font-bold text-gray-900 mb-4">Position</h2>
+24 -5
View File
@@ -14,17 +14,36 @@ export async function loader({ params }: { params: { ticker: string } }) {
} }
try { try {
// Use latest trade instead of quote for real transaction price // Get latest trade for current price
const trade = await alpaca.getLatestTrade(ticker); const trade = await alpaca.getLatestTrade(ticker);
// trade has: Price, Size, Exchange, Timestamp, etc.
const price = (trade as { Price?: number }).Price || 0; const price = (trade as { Price?: number }).Price || 0;
// Get historical bars for chart (last 30 days, daily)
const bars = await alpaca.getBarsV2(ticker, {
timeframe: "1Day",
limit: 30,
});
// Convert async generator to array
const barsArray = [];
for await (const bar of bars) {
barsArray.push({
t: (bar as any).Timestamp || (bar as any).t,
o: (bar as any).Open || (bar as any).o,
h: (bar as any).High || (bar as any).h,
l: (bar as any).Low || (bar as any).l,
c: (bar as any).Close || (bar as any).c,
v: (bar as any).Volume || (bar as any).v,
});
}
return Response.json({ return Response.json({
ticker, ticker,
price, price,
timestamp: (trade as { Timestamp?: string }).Timestamp, bars: barsArray,
}); });
} catch (error) { } catch (error) {
console.error("Alpaca trade error:", error); console.error("Alpaca data error:", error);
return Response.json({ error: "Failed to fetch trade" }, { status: 500 }); return Response.json({ error: "Failed to fetch data" }, { status: 500 });
} }
} }