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lib/newsfeed.ts
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// lib/newsfeed.ts
// Agrège les news forex/macro depuis plusieurs sources publiques :
// 1. investinglive.com/forex/ — articles forex de Giuseppe Dellamotta
// 2. Reuters RSS — flux marchés publics
// 3. Bloomberg meta tags — best-effort (titres publics malgré paywall)
// Applique un moteur de pertinence devise pour chaque article.
import type { Currency } from "./types";
// ── Types ─────────────────────────────────────────────────────────────────────
export interface NewsImpact {
ccy: Currency;
direction: "bullish" | "bearish" | "neutral";
reason: string;
}
export interface NewsItem {
id: string;
title: string;
url: string;
source: string;
publishedAt: string; // ISO date string
summary?: string;
impacts: NewsImpact[];
categories: string[]; // "Énergie", "Banque Centrale", "Géopolitique", etc.
}
// ── Moteur de pertinence devise ───────────────────────────────────────────────
interface ImpactRule {
pattern: RegExp;
impacts: { ccy: Currency; dir: "bullish" | "bearish" | "neutral" }[];
categories: string[];
reason: string;
}
const IMPACT_RULES: ImpactRule[] = [
// ── Fed / USD ──────────────────────────────────────────────────────────────
{
pattern: /\b(hawkish fed|fed hike|fed rate (up|rise)|us inflation (surge|higher|above)|fomc (hike|tighten))\b/i,
impacts: [{ ccy: "USD", dir: "bullish" }],
categories: ["Banque Centrale", "USD"],
reason: "Fed hawkish → USD haussier",
},
{
pattern: /\b(fed (cut|ease|pivot|pause)|dovish fed|us inflation (cool|drop|lower|ease)|fomc (cut|ease|pause))\b/i,
impacts: [{ ccy: "USD", dir: "bearish" }],
categories: ["Banque Centrale", "USD"],
reason: "Fed dovish → USD baissier",
},
{
pattern: /\b(fed|fomc|federal reserve|powell|us monetary policy|us interest rate)\b/i,
impacts: [{ ccy: "USD", dir: "neutral" }],
categories: ["Banque Centrale", "USD"],
reason: "Politique monétaire Fed",
},
// ── ECB / EUR ──────────────────────────────────────────────────────────────
{
pattern: /\b(ecb (cut|ease|lower rate|dovish)|lagarde (cut|dovish|ease)|eurozone (recession|weak|slow|deflat))\b/i,
impacts: [{ ccy: "EUR", dir: "bearish" }],
categories: ["Banque Centrale", "EUR"],
reason: "BCE dovish → EUR baissier",
},
{
pattern: /\b(ecb (hike|hawkish|hold|tighten)|lagarde (hawkish|hike)|eurozone inflation (higher|above|surge))\b/i,
impacts: [{ ccy: "EUR", dir: "bullish" }],
categories: ["Banque Centrale", "EUR"],
reason: "BCE hawkish → EUR haussier",
},
{
pattern: /\b(ecb|european central bank|lagarde|eurozone (gdp|cpi|inflation|rate|pmi))\b/i,
impacts: [{ ccy: "EUR", dir: "neutral" }],
categories: ["Banque Centrale", "EUR"],
reason: "Politique monétaire BCE",
},
// ── BoE / GBP ──────────────────────────────────────────────────────────────
{
pattern: /\b(boe (cut|ease|dovish)|bank of england (cut|ease|pause)|uk inflation (drop|lower|cool))\b/i,
impacts: [{ ccy: "GBP", dir: "bearish" }],
categories: ["Banque Centrale", "GBP"],
reason: "BoE dovish → GBP baissier",
},
{
pattern: /\b(boe (hike|hawkish)|bank of england (hike|hawkish)|uk inflation (surge|higher|above|sticky))\b/i,
impacts: [{ ccy: "GBP", dir: "bullish" }],
categories: ["Banque Centrale", "GBP"],
reason: "BoE hawkish → GBP haussier",
},
{
pattern: /\b(bank of england|boe|sterling|uk (gdp|cpi|inflation|jobs|pmi|rate))\b/i,
impacts: [{ ccy: "GBP", dir: "neutral" }],
categories: ["Banque Centrale", "GBP"],
reason: "Politique monétaire BoE",
},
// ── BoJ / JPY ──────────────────────────────────────────────────────────────
{
pattern: /\b(boj (hike|tighten|hawkish)|bank of japan (hike|raise|hawkish)|yen (strengthens?|stronger|surge)|japan (rate hike|wage))\b/i,
impacts: [{ ccy: "JPY", dir: "bullish" }],
categories: ["Banque Centrale", "JPY"],
reason: "BoJ hawkish → JPY haussier",
},
{
pattern: /\b(boj (cut|ease|hold|pause|dovish)|yen (weak|falls?|slide)|japan (rate hold|deflat))\b/i,
impacts: [{ ccy: "JPY", dir: "bearish" }],
categories: ["Banque Centrale", "JPY"],
reason: "BoJ dovish → JPY baissier",
},
{
pattern: /\b(yen intervention|mof japan|ministry of finance japan|japan (intervene|verbal intervention))\b/i,
impacts: [{ ccy: "JPY", dir: "bullish" }],
categories: ["Géopolitique", "JPY"],
reason: "Intervention MoF → JPY haussier (défense du plancher)",
},
{
pattern: /\b(bank of japan|boj|yen|japan (gdp|cpi|inflation|monetary|pmi))\b/i,
impacts: [{ ccy: "JPY", dir: "neutral" }],
categories: ["Banque Centrale", "JPY"],
reason: "Politique monétaire BoJ",
},
// ── SNB / CHF ──────────────────────────────────────────────────────────────
{
pattern: /\b(snb|swiss national bank|swiss franc|switzerland (rate|inflation|gdp))\b/i,
impacts: [{ ccy: "CHF", dir: "neutral" }],
categories: ["Banque Centrale", "CHF"],
reason: "Politique monétaire SNB",
},
// ── BoC / CAD ──────────────────────────────────────────────────────────────
{
pattern: /\b(bank of canada|boc|canada (rate|gdp|inflation|jobs)|loonie)\b/i,
impacts: [{ ccy: "CAD", dir: "neutral" }],
categories: ["Banque Centrale", "CAD"],
reason: "Politique monétaire BoC",
},
// ── RBA / AUD ──────────────────────────────────────────────────────────────
{
pattern: /\b(rba|reserve bank of australia|australia (rate|gdp|inflation|jobs)|aussie)\b/i,
impacts: [{ ccy: "AUD", dir: "neutral" }],
categories: ["Banque Centrale", "AUD"],
reason: "Politique monétaire RBA",
},
// ── RBNZ / NZD ────────────────────────────────────────────────────────────
{
pattern: /\b(rbnz|reserve bank of new zealand|new zealand (rate|gdp|inflation)|kiwi)\b/i,
impacts: [{ ccy: "NZD", dir: "neutral" }],
categories: ["Banque Centrale", "NZD"],
reason: "Politique monétaire RBNZ",
},
// ── Pétrole → CAD haussier / JPY NZD baissiers ────────────────────────────
{
pattern: /\b(oil (price(s)?|surge|rise|higher|rally|soar|spike|record)|crude (oil )?(up|higher|rally|surge)|opec (cut|supply cut|restrict)|energy (price(s)? )?(surge|spike|higher))\b/i,
impacts: [
{ ccy: "CAD", dir: "bullish" },
{ ccy: "JPY", dir: "bearish" },
{ ccy: "NZD", dir: "bearish" },
],
categories: ["Énergie", "Commodités"],
reason: "Pétrole en hausse → CAD haussier (exportateur), JPY/NZD baissiers (importateurs ~90% énergie)",
},
{
pattern: /\b(oil (price(s)?|fall|drop|plunge|lower|crash|collapse|weak)|crude (oil )?(down|lower|fall|plunge)|opec (output|increase|supply up)|oil demand (weak|drop|slow))\b/i,
impacts: [
{ ccy: "CAD", dir: "bearish" },
{ ccy: "JPY", dir: "bullish" },
{ ccy: "NZD", dir: "bullish" },
],
categories: ["Énergie", "Commodités"],
reason: "Pétrole en baisse → CAD baissier (exportateur), JPY/NZD haussiers (importateurs bénéficient)",
},
// ── Or → AUD haussier / CHF ────────────────────────────────────────────────
{
pattern: /\b(gold (price(s)?|rise|rally|surge|record|higher|all.time)|gold (up|soar)|precious metal(s)? (up|rally|higher))\b/i,
impacts: [
{ ccy: "AUD", dir: "bullish" },
{ ccy: "CHF", dir: "bullish" },
],
categories: ["Commodités", "Or"],
reason: "Or en hausse → AUD haussier (3ème producteur mondial), CHF haussier (valeur refuge liée à l'or)",
},
{
pattern: /\b(gold (fall|drop|plunge|lower|crash)|gold (down|weak)|precious metal(s)? (down|fall|lower))\b/i,
impacts: [
{ ccy: "AUD", dir: "bearish" },
],
categories: ["Commodités", "Or"],
reason: "Or en baisse → AUD baissier",
},
// ── Minerai de fer / Métaux → AUD ─────────────────────────────────────────
{
pattern: /\b(iron ore (price|rise|higher|surge|rally)|steel demand (up|higher|strong)|base metal(s)? (up|rally|higher)|copper (rise|surge|rally|higher))\b/i,
impacts: [{ ccy: "AUD", dir: "bullish" }],
categories: ["Commodités", "Métaux"],
reason: "Minerai de fer / métaux en hausse → AUD haussier (1er exportateur mondial minerai de fer)",
},
{
pattern: /\b(iron ore (fall|drop|lower|plunge|weak)|steel demand (weak|drop|slow|fall)|base metal(s)? (down|fall|lower))\b/i,
impacts: [{ ccy: "AUD", dir: "bearish" }],
categories: ["Commodités", "Métaux"],
reason: "Minerai de fer en baisse → AUD baissier",
},
// ── Chine / Demande asiatique → AUD / NZD ─────────────────────────────────
{
pattern: /\b(china (growth|gdp|stimulus|pmi|recovery|demand|boom|strong)|chinese (economy|manufacturing|demand) (up|strong|better|recover|boom|grow)|china stimulus|china (fiscal|monetary) (stimulus|ease|boost))\b/i,
impacts: [
{ ccy: "AUD", dir: "bullish" },
{ ccy: "NZD", dir: "bullish" },
],
categories: ["Chine", "Géopolitique"],
reason: "Croissance chinoise → AUD/NZD haussiers (principaux exportateurs vers la Chine : fer, LNG, produits laitiers)",
},
{
pattern: /\b(china (slowdown|weak|contraction|deflat|property crisis|debt|evergrande|recession)|chinese (economy|demand|pmi) (weak|slow|contract|drop|fall)|china (trade war|tariff))\b/i,
impacts: [
{ ccy: "AUD", dir: "bearish" },
{ ccy: "NZD", dir: "bearish" },
],
categories: ["Chine", "Géopolitique"],
reason: "Ralentissement Chine → AUD/NZD baissiers (demande commodités en baisse)",
},
// ── Blé / Agriculture → USD / AUD / CAD ───────────────────────────────────
{
pattern: /\b(wheat (price|supply|shortage|disruption|export block|higher)|grain (crisis|supply|shortage)|ukraine (wheat|grain|export)|food (inflation|crisis|price surge))\b/i,
impacts: [
{ ccy: "USD", dir: "bullish" },
{ ccy: "AUD", dir: "bullish" },
{ ccy: "CAD", dir: "bullish" },
],
categories: ["Agriculture", "Géopolitique"],
reason: "Disruption blé/céréales → USD/AUD/CAD haussiers (grands exportateurs mondiaux)",
},
// ── Produits laitiers → NZD ────────────────────────────────────────────────
{
pattern: /\b(dairy (price(s)?|index|gdt|auction|higher|surge)|fonterra|milk (price|higher)|new zealand export(s)? (up|higher|strong))\b/i,
impacts: [{ ccy: "NZD", dir: "bullish" }],
categories: ["Agriculture", "NZD"],
reason: "Produits laitiers en hausse → NZD haussier (principal exportateur mondial lait/beurre)",
},
{
pattern: /\b(dairy (price(s)?|index|gdt|auction) (lower|fall|drop|weak)|fonterra (cut|lower|reduce))\b/i,
impacts: [{ ccy: "NZD", dir: "bearish" }],
categories: ["Agriculture", "NZD"],
reason: "Produits laitiers en baisse → NZD baissier",
},
// ── Risk-Off → JPY / CHF haussiers, AUD / NZD baissiers ───────────────────
{
pattern: /\b(risk[- ]off|safe[- ]haven (demand|flow|bid|surge)|geopolit(ical)? (tension|risk|crisis|escalat)|war|military (conflict|strike|attack|tension)|sanction(s)?|nuclear (threat|risk)|market (crash|sell.off|panic|rout|turmoil)|recession (fear|risk|warning)|stock(s)? (crash|plunge|sell.off))\b/i,
impacts: [
{ ccy: "JPY", dir: "bullish" },
{ ccy: "CHF", dir: "bullish" },
{ ccy: "USD", dir: "bullish" },
{ ccy: "AUD", dir: "bearish" },
{ ccy: "NZD", dir: "bearish" },
],
categories: ["Risk-Off", "Géopolitique"],
reason: "Risk-off → JPY/CHF/USD haussiers (valeurs refuges), AUD/NZD baissiers (devises risquées)",
},
{
pattern: /\b(risk[- ]on|risk appetite (return|improve|recover)|market (rally|surge|boom|exuberance)|stock(s)? (rally|surge|soar|record)|optimism (return|grow)|peace (deal|agreement|ceasefire))\b/i,
impacts: [
{ ccy: "AUD", dir: "bullish" },
{ ccy: "NZD", dir: "bullish" },
{ ccy: "JPY", dir: "bearish" },
{ ccy: "CHF", dir: "bearish" },
],
categories: ["Risk-On"],
reason: "Risk-on → AUD/NZD haussiers, JPY/CHF baissiers (refuges vendus)",
},
// ── Tarifs douaniers / Guerre commerciale ──────────────────────────────────
{
pattern: /\b(tariff(s)?|trade war|trade barrier|import duty|import tax|protectionism|trade (sanction|restriction)|export ban)\b/i,
impacts: [
{ ccy: "CAD", dir: "bearish" },
{ ccy: "EUR", dir: "bearish" },
{ ccy: "CNY", dir: "neutral" } as never,
].filter(i => ["CAD", "EUR"].includes(i.ccy)) as { ccy: Currency; dir: "bullish" | "bearish" | "neutral" }[],
categories: ["Géopolitique", "Commerce"],
reason: "Tarifs douaniers → EUR/CAD baissiers (forte dépendance export vers US)",
},
// ── Inflation générale ─────────────────────────────────────────────────────
{
pattern: /\b(global inflation (surge|spike|higher|accelerat|above)|inflation (surprise|beat|above expect))\b/i,
impacts: [
{ ccy: "USD", dir: "bullish" },
{ ccy: "GBP", dir: "bullish" },
],
categories: ["Données Macro", "Inflation"],
reason: "Inflation surprend → pression sur les banques centrales pour maintenir des taux élevés",
},
// ── Croissance mondiale ────────────────────────────────────────────────────
{
pattern: /\b(global (recession|slowdown|contraction|downturn)|world (growth|gdp) (slow|drop|contract|negative)|imf (cut|lower|downgrade) (forecast|outlook|gdp))\b/i,
impacts: [
{ ccy: "AUD", dir: "bearish" },
{ ccy: "NZD", dir: "bearish" },
{ ccy: "CAD", dir: "bearish" },
{ ccy: "JPY", dir: "bullish" },
{ ccy: "CHF", dir: "bullish" },
],
categories: ["Données Macro", "Géopolitique"],
reason: "Récession mondiale → refuges (JPY/CHF) haussiers, commodités (AUD/NZD/CAD) baissiers",
},
];
// ── Helpers ───────────────────────────────────────────────────────────────────
function applyRules(text: string): { impacts: NewsImpact[]; categories: string[] } {
const impacts: NewsImpact[] = [];
const categories = new Set<string>();
const seenCcy = new Set<Currency>();
for (const rule of IMPACT_RULES) {
if (!rule.pattern.test(text)) continue;
for (const cat of rule.categories) categories.add(cat);
for (const { ccy, dir } of rule.impacts) {
if (seenCcy.has(ccy)) continue; // première règle matchée par devise gagne
seenCcy.add(ccy);
impacts.push({ ccy, direction: dir, reason: rule.reason });
}
if (seenCcy.size >= 8) break; // toutes les devises couvertes
}
return { impacts, categories: [...categories] };
}
function parseDate(raw: string): string {
try {
return new Date(raw).toISOString();
} catch {
return new Date().toISOString();
}
}
function extractMeta(html: string, property: string): string {
const m = html.match(new RegExp(`<meta[^>]*(?:name|property)=["']${property}["'][^>]*content=["']([^"']+)["']`, "i"))
?? html.match(new RegExp(`<meta[^>]*content=["']([^"']+)["'][^>]*(?:name|property)=["']${property}["']`, "i"));
return m?.[1] ?? "";
}
const TE_HEADERS = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Accept-Language": "en-US,en;q=0.9",
};
// ── Source 1 : InvestingLive /forex/ ─────────────────────────────────────────
async function fetchInvestingLiveNews(): Promise<NewsItem[]> {
try {
const res = await fetch("https://investinglive.com/forex/", {
next: { revalidate: 1800 },
headers: TE_HEADERS,
});
if (!res.ok) return [];
const html = await res.text();
// Articles listés sous forme <article> ou <div class="...post...">
// On cherche les liens + titres + dates dans le HTML
const items: NewsItem[] = [];
// Pattern : <h2 ...><a href="URL">TITLE</a></h2> + datetime="DATE"
const articlePattern = /<article[^>]*>([\s\S]*?)<\/article>/gi;
let m: RegExpExecArray | null;
while ((m = articlePattern.exec(html)) !== null && items.length < 15) {
const block = m[1];
const linkM = block.match(/href=["'](https?:\/\/investinglive\.com\/[^"']+)["']/i);
const titleM = block.match(/<h[1-4][^>]*>[\s\S]*?<a[^>]*>([\s\S]*?)<\/a>[\s\S]*?<\/h[1-4]>/i)
?? block.match(/<a[^>]*class=["'][^"']*title[^"']*["'][^>]*>([\s\S]*?)<\/a>/i);
const dateM = block.match(/datetime=["']([^"']+)["']/i);
if (!linkM || !titleM) continue;
const url = linkM[1];
const title = titleM[1].replace(/<[^>]+>/g, "").trim();
const dateStr = dateM ? dateM[1] : "";
const { impacts, categories } = applyRules(title);
items.push({
id: `il-${Buffer.from(url).toString("base64").slice(0, 12)}`,
title,
url,
source: "InvestingLive",
publishedAt: parseDate(dateStr),
impacts,
categories,
});
}
return items;
} catch { return []; }
}
// ── Source 2 : Reuters RSS (marchés) ─────────────────────────────────────────
const REUTERS_FEEDS = [
"https://feeds.reuters.com/reuters/businessNews",
"https://feeds.reuters.com/reuters/topNews",
];
function parseRssItems(xml: string, source: string): NewsItem[] {
const items: NewsItem[] = [];
const itemBlocks = xml.match(/<item>([\s\S]*?)<\/item>/g) ?? [];
for (const block of itemBlocks.slice(0, 20)) {
const titleM = block.match(/<title>(?:<!\[CDATA\[)?([\s\S]*?)(?:\]\]>)?<\/title>/i);
const linkM = block.match(/<link>([\s\S]*?)<\/link>/i)
?? block.match(/<guid[^>]*>([\s\S]*?)<\/guid>/i);
const dateM = block.match(/<pubDate>([\s\S]*?)<\/pubDate>/i);
const descM = block.match(/<description>(?:<!\[CDATA\[)?([\s\S]*?)(?:\]\]>)?<\/description>/i);
if (!titleM || !linkM) continue;
const title = titleM[1].replace(/<[^>]+>/g, "").trim();
const url = linkM[1].trim();
const dateStr = dateM?.[1] ?? "";
const summary = descM?.[1].replace(/<[^>]+>/g, "").trim().slice(0, 200);
const combined = `${title} ${summary ?? ""}`;
const { impacts, categories } = applyRules(combined);
items.push({
id: `rss-${Buffer.from(url).toString("base64").slice(0, 12)}`,
title,
url,
source,
publishedAt: parseDate(dateStr),
summary,
impacts,
categories,
});
}
return items;
}
async function fetchReutersNews(): Promise<NewsItem[]> {
const results = await Promise.allSettled(
REUTERS_FEEDS.map(async (feedUrl) => {
const res = await fetch(feedUrl, {
next: { revalidate: 1800 },
headers: { ...TE_HEADERS, "Accept": "application/rss+xml, application/xml, text/xml, */*" },
});
if (!res.ok) return [];
const xml = await res.text();
return parseRssItems(xml, "Reuters");
})
);
const all: NewsItem[] = [];
const seenUrls = new Set<string>();
for (const r of results) {
if (r.status !== "fulfilled") continue;
for (const item of r.value) {
if (!seenUrls.has(item.url)) {
seenUrls.add(item.url);
all.push(item);
}
}
}
return all;
}
// ── Source 3 : Bloomberg (meta tags publics) ─────────────────────────────────
const BLOOMBERG_PAGES = [
{ url: "https://www.bloomberg.com/economics", source: "Bloomberg Economics" },
{ url: "https://www.bloomberg.com/economics/central-banks", source: "Bloomberg CB" },
{ url: "https://www.bloomberg.com/fx-center", source: "Bloomberg FX" },
];
async function fetchBloombergMeta(): Promise<NewsItem[]> {
const items: NewsItem[] = [];
for (const { url, source } of BLOOMBERG_PAGES) {
try {
const res = await fetch(url, {
next: { revalidate: 3600 },
headers: TE_HEADERS,
});
if (!res.ok) continue;
const html = await res.text();
// Extraire les articles depuis les meta og:title / article JSON-LD
const ldBlocks = html.match(/<script[^>]*type=["']application\/ld\+json["'][^>]*>([\s\S]*?)<\/script>/gi) ?? [];
for (const block of ldBlocks.slice(0, 5)) {
try {
const json = JSON.parse(block.replace(/<script[^>]*>|<\/script>/gi, "").trim());
const articles = Array.isArray(json) ? json : [json];
for (const art of articles) {
if (!art.headline || !art.url) continue;
const title = String(art.headline);
const artUrl = String(art.url);
const dateStr = String(art.datePublished ?? art.dateModified ?? "");
const { impacts, categories } = applyRules(title);
items.push({
id: `bb-${Buffer.from(artUrl).toString("base64").slice(0, 12)}`,
title,
url: artUrl,
source,
publishedAt: parseDate(dateStr),
impacts,
categories,
});
}
} catch { /* skip malformed JSON-LD */ }
}
// Fallback: og:title de la page elle-même
const ogTitle = extractMeta(html, "og:title");
const ogDesc = extractMeta(html, "og:description");
if (ogTitle && ogTitle.length > 10) {
const { impacts, categories } = applyRules(`${ogTitle} ${ogDesc}`);
if (impacts.length > 0) {
items.push({
id: `bb-page-${Buffer.from(url).toString("base64").slice(0, 12)}`,
title: ogTitle,
url,
source,
publishedAt: new Date().toISOString(),
summary: ogDesc || undefined,
impacts,
categories,
});
}
}
} catch { /* Bloomberg peut bloquer, on continue */ }
}
return items;
}
// ── Main export ───────────────────────────────────────────────────────────────
export async function fetchAllNews(): Promise<NewsItem[]> {
const [ilNews, reutersNews, bbNews] = await Promise.allSettled([
fetchInvestingLiveNews(),
fetchReutersNews(),
fetchBloombergMeta(),
]);
const all: NewsItem[] = [
...(ilNews.status === "fulfilled" ? ilNews.value : []),
...(reutersNews.status === "fulfilled" ? reutersNews.value : []),
...(bbNews.status === "fulfilled" ? bbNews.value : []),
];
// Dédupliquer sur l'URL, trier par date décroissante
const seenUrls = new Set<string>();
const deduped = all.filter(item => {
if (seenUrls.has(item.url)) return false;
seenUrls.add(item.url);
return true;
});
deduped.sort((a, b) => b.publishedAt.localeCompare(a.publishedAt));
return deduped;
}