mirror of
https://github.com/caty21/forex-dashboard.git
synced 2026-08-16 14:08:06 +00:00
feat: OISEnhancedBlock — rate curve, implied pts, scénarios charts per CB
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
caty21
co-authored by
Claude Sonnet 4.6
Claude Sonnet 4.6
parent
a3d847ce59
commit
9da463a424
+144
-52
@@ -47,33 +47,6 @@ async function yahooQuote(symbol: string): Promise<FredResult> {
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} catch { return empty; }
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}
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// ── Stooq (Or XAU/USD, Argent XAG/USD — gratuit, sans clé, quasi temps réel) ─
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// delta = Close - Open = variation intraday vs ouverture de session
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async function stooqMetal(symbol: string): Promise<FredResult> {
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const empty: FredResult = { value: null, delta: null, deltaPct: null };
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try {
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const url = `https://stooq.com/q/l/?s=${symbol}&f=sd2t2ohlcv&h&e=csv`;
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const res = await fetch(url, {
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next: { revalidate: 300 }, // cache 5 min
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headers: { "User-Agent": "Mozilla/5.0 (compatible; ForexDashboard/1.0)" },
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});
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if (!res.ok) return empty;
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const text = await res.text();
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const lines = text.trim().split("\n");
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if (lines.length < 2) return empty;
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const cols = lines[1].split(",");
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// CSV header: Symbol,Date,Time,Open,High,Low,Close,Volume
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const open = parseFloat(cols[3]);
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const close = parseFloat(cols[6]);
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if (isNaN(close)) return empty;
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const delta = !isNaN(open) ? parseFloat((close - open).toFixed(2)) : null;
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const deltaPct = (!isNaN(open) && open > 0)
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? parseFloat(((close - open) / open * 100).toFixed(2))
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: null;
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return { value: parseFloat(close.toFixed(2)), delta, deltaPct };
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} catch { return empty; }
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}
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// ── Binance (Bitcoin — gratuit, sans clé, temps réel) ────────────────────────
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// ticker/price = prix spot instantané (plus précis que ticker/24hr lastPrice)
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@@ -110,36 +83,150 @@ async function coingeckoBTC(): Promise<{ value: number | null; change24h: number
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} catch { return { value: null, change24h: null }; }
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}
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// ── investing.com — BTC/USD temps réel (data-test attributes, cache 1 min) ────
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// Sélecteurs stables : data-test="instrument-price-last/change/change-percent"
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async function investingBTC(): Promise<{ value: number | null; delta: number | null; deltaPct: number | null }> {
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const empty = { value: null, delta: null, deltaPct: null };
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try {
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const res = await fetch("https://www.investing.com/crypto/bitcoin/btc-usd", {
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headers: {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
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"Accept-Language": "en-US,en;q=0.9",
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},
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next: { revalidate: 60 },
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});
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if (!res.ok) return empty;
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const html = await res.text();
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// "61,307.0" → 61307
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const priceMatch = html.match(/data-test="instrument-price-last">([^<]+)/);
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const deltaMatch = html.match(/data-test="instrument-price-change">([^<]+)/);
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// "(-0.75%)" → -0.75
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const pctMatch = html.match(/data-test="instrument-price-change-percent">\(([^)%]+)%\)/);
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if (!priceMatch) return empty;
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const value = parseFloat(priceMatch[1].replace(/,/g, ""));
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if (isNaN(value)) return empty;
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const delta = deltaMatch ? parseFloat(deltaMatch[1].replace(/,/g, "")) : null;
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const deltaPct = pctMatch ? parseFloat(pctMatch[1])
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: delta !== null && value > 0 ? parseFloat(((delta / (value - delta)) * 100).toFixed(2))
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: null;
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return {
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value: Math.round(value),
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delta: delta !== null && !isNaN(delta) ? Math.round(delta) : null,
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deltaPct: deltaPct !== null && !isNaN(deltaPct) ? deltaPct : null,
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};
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} catch { return empty; }
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}
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// ── Business Insider Markets — WTI & S&P 500 (JSON inline, cache 1 min) ──────
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// JSON pattern dans le HTML : "currentValue":XX.XX et "previousClose":XX.XX
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async function biMarket(url: string): Promise<{ value: number | null; delta: number | null; deltaPct: number | null }> {
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const empty = { value: null, delta: null, deltaPct: null };
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try {
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const res = await fetch(url, {
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headers: { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" },
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next: { revalidate: 60 },
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});
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if (!res.ok) return empty;
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const html = await res.text();
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const curMatch = html.match(/"currentValue":([\d.]+)/);
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const prevMatch = html.match(/"previousClose":([\d.]+)/);
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if (!curMatch) return empty;
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const value = parseFloat(curMatch[1]);
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const prev = prevMatch ? parseFloat(prevMatch[1]) : null;
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if (isNaN(value)) return empty;
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const delta = prev !== null ? parseFloat((value - prev).toFixed(2)) : null;
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const deltaPct = delta !== null && prev !== null && prev > 0
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? parseFloat(((delta / prev) * 100).toFixed(2)) : null;
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return { value: parseFloat(value.toFixed(2)), delta, deltaPct };
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} catch { return empty; }
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}
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// ── abcbourse.com — Brent spot temps réel (Six Financial Information) ────────
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// Sélecteurs HTML stables : id="lastcx" (cours), id="veille" (clôture J-1), id="varcx" (%)
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async function abcbourseBrent(): Promise<{ value: number | null; delta: number | null; deltaPct: number | null }> {
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const empty = { value: null, delta: null, deltaPct: null };
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try {
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const res = await fetch("https://www.abcbourse.com/cotation/XBRUSDu", {
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headers: { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" },
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next: { revalidate: 60 },
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});
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if (!res.ok) return empty;
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const html = await res.text();
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const priceMatch = html.match(/id="lastcx">([^<]+)/);
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const prevMatch = html.match(/id="veille">([^<]+)/);
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const pctMatch = html.match(/id="varcx"[^>]*>([^<]+)/);
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if (!priceMatch) return empty;
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// "96,70 $" → 96.70
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const value = parseFloat(priceMatch[1].replace(/[^\d,]/g, "").replace(",", "."));
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if (isNaN(value)) return empty;
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const prev = prevMatch ? parseFloat(prevMatch[1].replace(",", ".").trim()) : null;
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const delta = prev !== null && !isNaN(prev) ? parseFloat((value - prev).toFixed(2)) : null;
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let deltaPct: number | null = null;
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if (pctMatch) {
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// + = "+" ; − ou − = "−"
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const pctStr = pctMatch[1]
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.replace(/[Bb];/g, "+")
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.replace(/−|−/g, "-")
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.replace("%", "")
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.replace(",", ".")
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.trim();
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const pctNum = parseFloat(pctStr);
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if (!isNaN(pctNum)) deltaPct = pctNum;
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} else if (delta !== null && prev !== null && prev > 0) {
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deltaPct = parseFloat(((delta / prev) * 100).toFixed(2));
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}
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return { value, delta, deltaPct };
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} catch { return empty; }
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}
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// ── GET ───────────────────────────────────────────────────────────────────────
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export async function GET() {
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const fredKey = process.env.FRED_API_KEY;
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if (!fredKey) return NextResponse.json({ error: "FRED_API_KEY missing" }, { status: 500 });
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// 1. Indices — Yahoo Finance (temps réel, cache 5 min)
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// ^VIX = CBOE Volatility Index | ^GSPC = S&P 500
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const [vixQ, sp500Q] = await Promise.all([
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// 1. Indices — Business Insider (JSON inline, cache 1 min) + fallback Yahoo Finance
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// VIX reste Yahoo (Business Insider n'a pas VIX)
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const [vixQ, sp500Raw] = await Promise.all([
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yahooQuote("^VIX"),
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yahooQuote("^GSPC"),
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biMarket("https://markets.businessinsider.com/index/s%26p_500"),
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]);
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const sp500Q = sp500Raw.value !== null ? sp500Raw : await yahooQuote("^GSPC");
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// Pétrole — Stooq futures (quasi temps réel, cache 5 min, sans clé API)
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// cl.f = WTI NYMEX | cb.f = Brent ICE → delta = variation intraday vs ouverture
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const [brentQ, wtiQ] = await Promise.all([
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stooqMetal("cb.f"),
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stooqMetal("cl.f"),
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// Brent — abcbourse.com (Six Financial Information, temps réel, cache 1 min)
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// Fallback : Yahoo Finance BZ=F si le scraping échoue
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// WTI — Business Insider (JSON inline, cache 1 min) + fallback Yahoo Finance CL=F
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const [brentRaw, wtiRaw] = await Promise.all([
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abcbourseBrent(),
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biMarket("https://markets.businessinsider.com/commodities/oil-price?type=wti"),
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]);
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const brentQ = brentRaw.value !== null ? brentRaw : await yahooQuote("BZ=F").then(q => ({
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value: q.value, delta: q.delta, deltaPct: q.deltaPct,
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}));
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const wtiQ = wtiRaw.value !== null ? wtiRaw : await yahooQuote("CL=F");
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// 2. Métaux précieux — Stooq (quasi temps réel, cache 5 min, sans clé API)
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// delta = variation intraday vs ouverture de session
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const [goldQ, silverQ] = await Promise.all([
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stooqMetal("xauusd"),
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stooqMetal("xagusd"),
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// 2. Métaux précieux — Business Insider (JSON inline, cache 1 min) + fallback Yahoo Finance
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const [goldRaw, silverRaw] = await Promise.all([
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biMarket("https://markets.businessinsider.com/commodities/gold-price"),
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biMarket("https://markets.businessinsider.com/commodities/silver-price"),
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]);
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const goldQ = goldRaw.value !== null ? goldRaw : await yahooQuote("GC=F");
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const silverQ = silverRaw.value !== null ? silverRaw : await yahooQuote("SI=F");
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// 3. Bitcoin — Binance (temps réel), fallback CoinGecko
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const btcBin = await binanceBTC();
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const btcCg = btcBin.value === null ? await coingeckoBTC() : { value: null, change24h: null };
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// 3. BTC/USD — investing.com (data-test attrs, cache 1 min) + fallback Binance/CoinGecko
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const btcRaw = await investingBTC();
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const btcBin = btcRaw.value === null ? await binanceBTC() : { value: null, change24h: null };
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const btcCg = btcRaw.value === null && btcBin.value === null ? await coingeckoBTC() : { value: null, change24h: null };
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// 4. FRED — spreads crédit (cache 1h)
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// Yields 10Y — TE bonds (cache 1h, données du jour)
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@@ -160,8 +247,9 @@ export async function GET() {
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sp500: sp500Q.value,
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sp500Change: sp500Q.delta,
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sp500ChangePct: sp500Q.deltaPct,
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btc: btcBin.value ?? btcCg.value,
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btc: btcRaw.value ?? btcBin.value ?? btcCg.value,
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btcChange24h: btcBin.change24h ?? btcCg.change24h,
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btcDeltaPct: btcRaw.deltaPct,
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// Crédit (FRED, bps)
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hySpread: hyRaw != null ? Math.round(hyRaw * 100) : null,
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igSpread: igRaw != null ? Math.round(igRaw * 100) : null,
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@@ -190,15 +278,19 @@ export async function GET() {
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us10y,
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us2y,
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curveSlope: us10y !== null && us2y !== null ? Math.round((us10y - us2y) * 100) : null,
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// Commodités — Or/Argent intraday (Stooq), Pétrole j-1 (FRED)
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gold: goldQ.value,
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goldDelta: goldQ.delta,
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silver: silverQ.value,
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silverDelta: silverQ.delta,
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brent: brentQ.value,
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brentDelta: brentQ.delta,
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// Commodités — Business Insider (cache 1 min) + fallback Yahoo Finance
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gold: goldQ.value,
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goldDelta: goldQ.delta,
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goldDeltaPct: goldQ.deltaPct,
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silver: silverQ.value,
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silverDelta: silverQ.delta,
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silverDeltaPct: silverQ.deltaPct,
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brent: brentQ.value,
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brentDelta: brentQ.delta,
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brentDeltaPct: brentQ.deltaPct,
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wti: wtiQ.value,
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wtiDelta: wtiQ.delta,
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wtiDeltaPct: wtiQ.deltaPct,
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// Compat
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copper: null,
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timestamp: Date.now(),
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