Kazuma
81 lines
2.2 KiB
JavaScript
81 lines
2.2 KiB
JavaScript
import { readFileSync, writeFileSync, existsSync } from 'fs';
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import { randomUUID } from 'crypto';
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const STORE_PATH = './market-calls.json';
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// MarketCallStore — persists quarterly market thesis entries to market-calls.json.
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//
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// A market call captures:
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// - A written thesis (the reasoning behind the call)
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// - Tickers to watch
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// - A snapshot of each ticker's price + signal at the time of the call
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// - Performance tracking (current vs snapshot price) computed on read
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//
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// Format:
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// {
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// "calls": [
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// {
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// "id": "uuid",
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// "title": "Q3 2025 — Rate pivot & tech rotation",
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// "quarter": "Q3 2025",
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// "date": "2025-07-01",
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// "thesis": "The Fed is expected to begin cutting...",
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// "tickers": ["AAPL", "MSFT", "TLT"],
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// "snapshot": {
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// "AAPL": { "price": 195.00, "signal": "✅ Strong Buy", "verdict": "BUY (High Conviction)" }
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// },
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// "createdAt": "2025-07-01T14:22:00.000Z"
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// }
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// ]
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// }
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export class MarketCallStore {
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_load() {
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if (!existsSync(STORE_PATH)) return { calls: [] };
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try {
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return JSON.parse(readFileSync(STORE_PATH, 'utf8'));
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} catch {
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return { calls: [] };
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}
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}
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_save(data) {
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writeFileSync(STORE_PATH, JSON.stringify(data, null, 2), 'utf8');
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}
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list() {
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return this._load().calls.sort((a, b) => new Date(b.createdAt) - new Date(a.createdAt));
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}
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get(id) {
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return this._load().calls.find((c) => c.id === id) ?? null;
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}
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// Create a new call. snapshot is an object keyed by ticker with { price, signal, verdict }.
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create({ title, quarter, date, thesis, tickers, snapshot }) {
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const data = this._load();
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const call = {
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id: randomUUID(),
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title,
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quarter,
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date: date ?? new Date().toISOString().slice(0, 10),
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thesis,
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tickers,
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snapshot: snapshot ?? {},
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createdAt: new Date().toISOString(),
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};
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data.calls.push(call);
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this._save(data);
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return call;
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}
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delete(id) {
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const data = this._load();
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const before = data.calls.length;
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data.calls = data.calls.filter((c) => c.id !== id);
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if (data.calls.length === before) return false;
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this._save(data);
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return true;
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}
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}
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