phase-8g: add sqllite.

server/repositories/MarketCallRepository.ts

@@ -1,37 +1,33 @@
-import { readFileSync, writeFileSync, existsSync } from 'fs';
 import { randomUUID } from 'crypto';
-import type { MarketCall, CreateCallInput, StoreData } from '../types';
+import type { Db } from '../db/index';
+import type { MarketCall, CreateCallInput } from '../types';
+
+interface CallRow {
+  id: string;
+  title: string;
+  quarter: string;
+  date: string;
+  thesis: string;
+  tickers: string; // JSON
+  snapshot: string; // JSON
+  created_at: string;
+}
 
 export class MarketCallRepository {
-  private static readonly DEFAULT_PATH = './market-calls.json';
-
-  private readonly storePath: string;
-
-  constructor(storePath?: string) {
-    this.storePath = storePath ?? MarketCallRepository.DEFAULT_PATH;
-  }
-
-  private load(): StoreData {
-    if (!existsSync(this.storePath)) return { calls: [] };
-    try {
-      return JSON.parse(readFileSync(this.storePath, 'utf8')) as StoreData;
-    } catch {
-      return { calls: [] };
-    }
-  }
-
-  private save(data: StoreData): void {
-    writeFileSync(this.storePath, JSON.stringify(data, null, 2), 'utf8');
-  }
+  constructor(private readonly db: Db) {}
 
   list(): (MarketCall & { createdAt: string })[] {
-    return this.load().calls.sort(
-      (a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime(),
-    );
+    const rows = this.db
+      .prepare('SELECT * FROM market_calls ORDER BY created_at DESC')
+      .all() as CallRow[];
+    return rows.map(MarketCallRepository.toCall);
   }
 
   get(id: string): (MarketCall & { createdAt: string }) | null {
-    return this.load().calls.find((c) => c.id === id) ?? null;
+    const row = this.db.prepare('SELECT * FROM market_calls WHERE id = ?').get(id) as
+      | CallRow
+      | undefined;
+    return row ? MarketCallRepository.toCall(row) : null;
   }
 
   create({
@@ -42,28 +38,49 @@ export class MarketCallRepository {
     tickers,
     snapshot,
   }: CreateCallInput): MarketCall & { createdAt: string } {
-    const data = this.load();
     const call = {
       id: randomUUID(),
       title,
       quarter,
       date: date ?? new Date().toISOString().slice(0, 10),
       thesis,
-      tickers,
+      tickers: tickers ?? [],
       snapshot: snapshot ?? {},
       createdAt: new Date().toISOString(),
     };
-    data.calls.push(call);
-    this.save(data);
-    return call;
+    this.db
+      .prepare(
+        `INSERT INTO market_calls (id, title, quarter, date, thesis, tickers, snapshot, created_at)
+       VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+      )
+      .run(
+        call.id,
+        call.title,
+        call.quarter,
+        call.date,
+        call.thesis,
+        JSON.stringify(call.tickers),
+        JSON.stringify(call.snapshot),
+        call.createdAt,
+      );
+    return call as MarketCall & { createdAt: string };
   }
 
   delete(id: string): boolean {
-    const data = this.load();
-    const before = data.calls.length;
-    data.calls = data.calls.filter((c) => c.id !== id);
-    if (data.calls.length === before) return false;
-    this.save(data);
-    return true;
+    const result = this.db.prepare('DELETE FROM market_calls WHERE id = ?').run(id);
+    return result.changes > 0;
+  }
+
+  private static toCall(row: CallRow): MarketCall & { createdAt: string } {
+    return {
+      id: row.id,
+      title: row.title,
+      quarter: row.quarter,
+      date: row.date,
+      thesis: row.thesis,
+      tickers: JSON.parse(row.tickers),
+      snapshot: JSON.parse(row.snapshot),
+      createdAt: row.created_at,
+    } as MarketCall & { createdAt: string };
   }
 }