init

2026-09-03 22:02:52 +09:00
commit 659725de15
90 changed files with 2840 additions and 0 deletions
@@ -0,0 +1,122 @@
+import type { Database } from "bun:sqlite";
+
+function tableExists(sqlite: Database, tableName: string) {
+  return Boolean(sqlite.query("SELECT name FROM sqlite_master WHERE type = 'table' AND name = ?").get(tableName));
+}
+
+function columnExists(sqlite: Database, tableName: string, columnName: string) {
+  if (!tableExists(sqlite, tableName)) {
+    return false;
+  }
+
+  return sqlite
+    .query(`PRAGMA table_info(${tableName})`)
+    .all() 
+    .some((column) => typeof column === "object" && column !== null && "name" in column && column.name === columnName);
+}
+
+function resetLegacySchema(sqlite: Database) {
+  sqlite.exec(`
+    PRAGMA foreign_keys = OFF;
+    DROP TABLE IF EXISTS sessions;
+    DROP TABLE IF EXISTS audit_events;
+    DROP TABLE IF EXISTS refunds;
+    DROP TABLE IF EXISTS order_items;
+    DROP TABLE IF EXISTS orders;
+    DROP TABLE IF EXISTS inventory;
+    DROP TABLE IF EXISTS products;
+    DROP TABLE IF EXISTS addresses;
+    DROP TABLE IF EXISTS users;
+    DROP TABLE IF EXISTS customers;
+    DROP TABLE IF EXISTS employees;
+    PRAGMA foreign_keys = ON;
+  `);
+}
+
+function needsLegacyReset(sqlite: Database) {
+  return tableExists(sqlite, "customers") || tableExists(sqlite, "employees") || columnExists(sqlite, "audit_events", "employee_id");
+}
+
+export function initializeDatabase(sqlite: Database) {
+  if (needsLegacyReset(sqlite)) {
+    resetLegacySchema(sqlite);
+  }
+
+  sqlite.exec(`
+    PRAGMA foreign_keys = ON;
+
+    CREATE TABLE IF NOT EXISTS users (
+      id TEXT PRIMARY KEY,
+      username TEXT NOT NULL UNIQUE,
+      name TEXT NOT NULL,
+      email TEXT NOT NULL UNIQUE,
+      role TEXT NOT NULL,
+      created_at TEXT NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS sessions (
+      id TEXT PRIMARY KEY,
+      user_id TEXT NOT NULL REFERENCES users(id),
+      created_at TEXT NOT NULL,
+      expires_at TEXT NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS addresses (
+      id TEXT PRIMARY KEY,
+      full_name TEXT NOT NULL,
+      line_1 TEXT NOT NULL,
+      line_2 TEXT,
+      city TEXT NOT NULL,
+      state TEXT NOT NULL,
+      postal_code TEXT NOT NULL,
+      country TEXT NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS products (
+      id TEXT PRIMARY KEY,
+      sku TEXT NOT NULL UNIQUE,
+      name TEXT NOT NULL,
+      price_cents INTEGER NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS inventory (
+      product_id TEXT PRIMARY KEY REFERENCES products(id),
+      available_quantity INTEGER NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS orders (
+      id TEXT PRIMARY KEY,
+      order_number TEXT NOT NULL UNIQUE,
+      customer_id TEXT NOT NULL REFERENCES users(id),
+      shipping_address_id TEXT NOT NULL REFERENCES addresses(id),
+      status TEXT NOT NULL,
+      created_at TEXT NOT NULL,
+      updated_at TEXT NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS order_items (
+      id TEXT PRIMARY KEY,
+      order_id TEXT NOT NULL REFERENCES orders(id),
+      product_id TEXT NOT NULL REFERENCES products(id),
+      quantity INTEGER NOT NULL,
+      unit_price_cents INTEGER NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS refunds (
+      id TEXT PRIMARY KEY,
+      order_id TEXT NOT NULL REFERENCES orders(id),
+      amount_cents INTEGER NOT NULL,
+      reason TEXT NOT NULL,
+      created_at TEXT NOT NULL
+    );
+
+    CREATE TABLE IF NOT EXISTS audit_events (
+      id TEXT PRIMARY KEY,
+      order_id TEXT NOT NULL REFERENCES orders(id),
+      actor TEXT NOT NULL,
+      type TEXT NOT NULL,
+      message TEXT NOT NULL,
+      created_at TEXT NOT NULL
+    );
+  `);
+}