Sai Kiran Vella
64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
import { readFileSync, writeFileSync, existsSync } from 'fs';
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import { randomUUID } from 'crypto';
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import type { MarketCall, CreateCallInput, StoreData } from '../types';
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export class MarketCallRepository {
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private static readonly STORE_PATH = './market-calls.json';
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private _load(): StoreData {
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if (!existsSync(MarketCallRepository.STORE_PATH)) return { calls: [] };
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try {
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return JSON.parse(readFileSync(MarketCallRepository.STORE_PATH, 'utf8')) as StoreData;
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} catch {
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return { calls: [] };
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}
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}
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private _save(data: StoreData): void {
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writeFileSync(MarketCallRepository.STORE_PATH, JSON.stringify(data, null, 2), 'utf8');
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}
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list(): (MarketCall & { createdAt: string })[] {
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return this._load().calls.sort(
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(a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime(),
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);
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}
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get(id: string): (MarketCall & { createdAt: string }) | null {
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return this._load().calls.find((c) => c.id === id) ?? null;
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}
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create({
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title,
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quarter,
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date,
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thesis,
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tickers,
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snapshot,
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}: CreateCallInput): MarketCall & { createdAt: string } {
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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: string): boolean {
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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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