Initial Commit

server/database.ts

@@ -0,0 +1,59 @@
+const Database = require('better-sqlite3');
+import path from 'path';
+import fs from 'fs';
+
+const dbPath = path.join(__dirname, '../data/invicanvas.db');
+const dbDir = path.dirname(dbPath);
+
+if (!fs.existsSync(dbDir)) {
+  fs.mkdirSync(dbDir, { recursive: true });
+}
+
+export const db = new Database(dbPath);
+
+db.pragma('journal_mode = WAL');
+
+db.exec(`
+  CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    github_id TEXT UNIQUE,
+    username TEXT NOT NULL,
+    display_name TEXT,
+    avatar_url TEXT,
+    email TEXT,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  );
+
+  CREATE TABLE IF NOT EXISTS pixels (
+    x INTEGER NOT NULL,
+    y INTEGER NOT NULL,
+    color TEXT NOT NULL,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (x, y)
+  );
+
+  CREATE INDEX IF NOT EXISTS idx_pixels_updated ON pixels(updated_at);
+`);
+
+export function generateUserId(): string {
+  return `user_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
+}
+
+export function upsertPixels(pixels: { x: number; y: number; color: string }[]): void {
+  const stmt = db.prepare(
+    'INSERT OR REPLACE INTO pixels (x, y, color, updated_at) VALUES (?, ?, ?, CURRENT_TIMESTAMP)'
+  );
+  
+  const transaction = db.transaction((pixels: any[]) => {
+    for (const pixel of pixels) {
+      stmt.run(pixel.x, pixel.y, pixel.color);
+    }
+  });
+  
+  transaction(pixels);
+}
+
+export function getAllPixels(): { x: number; y: number; color: string }[] {
+  const stmt = db.prepare('SELECT x, y, color FROM pixels ORDER BY x, y');
+  return stmt.all() as { x: number; y: number; color: string }[];
+}