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/**
* @file This script seeds the database with sample data for development and testing.
* It is designed to be run from the command line.
* WARNING: This script will completely WIPE all data in the public schema before seeding.
* DO NOT run this on a production database.
*/
import { Pool, PoolClient } from 'pg';
import fs from 'node:fs/promises';
import path from 'node:path';
import bcrypt from 'bcrypt';
import { logger } from '../services/logger.server';
const pool = new Pool({
user: process.env.DB_USER,
host: process.env.DB_HOST,
database: process.env.DB_NAME,
password: process.env.DB_PASSWORD,
port: parseInt(process.env.DB_PORT || '5432', 10),
});
async function main() {
let client: PoolClient | undefined;
try {
client = await pool.connect();
logger.info('Connected to the database for seeding.');
await client.query('BEGIN');
// 1. Clean the database by dropping and recreating the schema
logger.info('--- Wiping and rebuilding schema... ---');
const dropScriptPath = path.resolve(process.cwd(), 'sql/drop_tables.sql');
const dropSql = await fs.readFile(dropScriptPath, 'utf-8');
await client.query(dropSql);
logger.info('All tables dropped successfully.');
const schemaScriptPath = path.resolve(process.cwd(), 'sql/master_schema_rollup.sql');
const schemaSql = await fs.readFile(schemaScriptPath, 'utf-8');
await client.query(schemaSql);
logger.info(
'Schema rebuilt and static data seeded successfully from master_schema_rollup.sql.',
);
// 2. Seed Additional Stores (if any beyond what's in the rollup)
logger.info('--- Seeding Stores... ---');
const stores = ['Safeway', 'No Frills', 'Costco', 'Superstore'];
const storeQuery = `INSERT INTO public.stores (name) VALUES ${stores.map((_, i) => `($${i + 1})`).join(', ')} ON CONFLICT (name) DO NOTHING RETURNING store_id, name`;
await client.query<{ store_id: number; name: string }>(storeQuery, stores);
const allStores = (
await client.query<{ store_id: number; name: string }>(
'SELECT store_id, name FROM public.stores',
)
).rows;
const storeMap = new Map(
allStores.map((s: { name: string; store_id: number }) => [s.name, s.store_id]),
);
logger.info(`Seeded/verified ${allStores.length} total stores.`);
// Fetch maps for items seeded by the master rollup script
const masterItemMap = new Map(
(
await client.query<{ master_grocery_item_id: number; name: string }>(
'SELECT master_grocery_item_id, name FROM public.master_grocery_items',
)
).rows.map((item: { name: string; master_grocery_item_id: number }) => [
item.name,
item.master_grocery_item_id,
]),
);
// 3. Seed Users & Profiles
logger.info('--- Seeding Users & Profiles... ---');
const saltRounds = 10;
const adminPassHash = await bcrypt.hash('adminpass', saltRounds);
const userPassHash = await bcrypt.hash('userpass', saltRounds);
// Admin User
await client.query("SELECT set_config('my_app.user_metadata', $1, true)", [
JSON.stringify({ full_name: 'Admin User', role: 'admin' }),
]);
// The trigger will create a profile with the 'user' role. We capture the ID to update it.
const adminRes = await client.query(
'INSERT INTO public.users (email, password_hash) VALUES ($1, $2) RETURNING user_id',
['admin@example.com', adminPassHash],
);
const adminId = adminRes.rows[0].user_id;
// Explicitly update the role to 'admin' for the newly created user.
await client.query("UPDATE public.profiles SET role = 'admin' WHERE user_id = $1", [adminId]);
logger.info('Seeded admin user (admin@example.com / adminpass)');
logger.info(`> Role for ${adminId} set to 'admin'.`);
// Regular User
await client.query("SELECT set_config('my_app.user_metadata', $1, true)", [
JSON.stringify({ full_name: 'Test User' }),
]);
const userRes = await client.query(
'INSERT INTO public.users (email, password_hash) VALUES ($1, $2) RETURNING user_id',
['user@example.com', userPassHash],
);
const userId = userRes.rows[0].user_id;
logger.info('Seeded regular user (user@example.com / userpass)');
// 4. Seed a Flyer
logger.info('--- Seeding a Sample Flyer... ---');
const today = new Date();
const validFrom = new Date(today);
validFrom.setDate(today.getDate() - 2);
const validTo = new Date(today);
validTo.setDate(today.getDate() + 5);
const flyerQuery = `
INSERT INTO public.flyers (file_name, image_url, icon_url, checksum, store_id, valid_from, valid_to)
VALUES ('safeway-flyer.jpg', 'https://example.com/flyer-images/safeway-flyer.jpg', 'https://example.com/flyer-images/icons/safeway-flyer.jpg', 'a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0', ${storeMap.get('Safeway')}, $1, $2)
RETURNING flyer_id;
`;
const flyerRes = await client.query<{ flyer_id: number }>(flyerQuery, [
validFrom.toISOString().split('T')[0],
validTo.toISOString().split('T')[0],
]);
const flyerId = flyerRes.rows[0].flyer_id;
logger.info(`Seeded flyer for Safeway (ID: ${flyerId}).`);
// 5. Seed Flyer Items
logger.info('--- Seeding Flyer Items... ---');
const flyerItems = [
{
name: 'chicken breast',
price_display: '$3.99 /lb',
price_in_cents: 399,
quantity: 'per lb',
master_item_id: masterItemMap.get('chicken breast'),
},
{
name: 'avocados',
price_display: '2 for $5.00',
price_in_cents: 250,
quantity: 'each',
master_item_id: masterItemMap.get('avocados'),
},
{
name: 'soda',
price_display: '$6.99',
price_in_cents: 699,
quantity: '12x355ml',
master_item_id: masterItemMap.get('soda'),
},
{
name: 'Unmatched Sample Item',
price_display: '$1.23',
price_in_cents: 123,
quantity: 'each',
master_item_id: null,
},
];
for (const item of flyerItems) {
await client.query(
`INSERT INTO public.flyer_items (flyer_id, item, price_display, price_in_cents, quantity, master_item_id) VALUES ($1, $2, $3, $4, $5, $6)`,
[
flyerId,
item.name,
item.price_display,
item.price_in_cents,
item.quantity,
item.master_item_id,
],
);
}
logger.info(`Seeded ${flyerItems.length} items for the Safeway flyer.`);
// 6. Seed Watched Items for the user
logger.info('--- Seeding Watched Items... ---');
const watchedItemIds = [
masterItemMap.get('chicken breast'),
masterItemMap.get('avocados'),
masterItemMap.get('ground beef'),
];
for (const itemId of watchedItemIds) {
if (itemId) {
await client.query(
'INSERT INTO public.user_watched_items (user_id, master_item_id) VALUES ($1, $2)',
[userId, itemId],
);
}
}
logger.info(`Seeded ${watchedItemIds.length} watched items for Test User.`);
// 7. Seed a Shopping List
logger.info('--- Seeding a Shopping List... ---');
const listRes = await client.query<{ shopping_list_id: number }>(
'INSERT INTO public.shopping_lists (user_id, name) VALUES ($1, $2) RETURNING shopping_list_id',
[userId, 'Weekly Groceries'],
);
const listId = listRes.rows[0].shopping_list_id;
const shoppingListItems = [
{ master_item_id: masterItemMap.get('milk'), quantity: 1 },
{ master_item_id: masterItemMap.get('eggs'), quantity: 1 },
{ custom_item_name: 'Specialty Hot Sauce', quantity: 1 },
];
for (const item of shoppingListItems) {
await client.query(
'INSERT INTO public.shopping_list_items (shopping_list_id, master_item_id, custom_item_name, quantity) VALUES ($1, $2, $3, $4)',
[listId, item.master_item_id, item.custom_item_name, item.quantity],
);
}
logger.info(
`Seeded shopping list "Weekly Groceries" with ${shoppingListItems.length} items for Test User.`,
);
// --- SEED SCRIPT DEBUG LOGGING ---
// Corrected the query to be unambiguous by specifying the table alias for each column.
// `id` and `email` come from the `users` table (u), and `role` comes from the `profiles` table (p).
const allUsersInDb = await client.query(
'SELECT u.user_id, u.email, p.role FROM public.users u JOIN public.profiles p ON u.user_id = p.user_id',
);
logger.debug('[SEED SCRIPT] Final state of users table after seeding:');
console.table(allUsersInDb.rows);
// --- END DEBUG LOGGING ---
await client.query('COMMIT');
logger.info('✅ Database seeding completed successfully!');
} catch (error) {
// Check if the error is a detailed PostgreSQL error object.
if (error && typeof error === 'object' && 'code' in error && 'message' in error) {
const dbError = error as { code: string; message: string; detail?: string; table?: string };
logger.error(
{
code: dbError.code,
message: dbError.message,
detail: dbError.detail,
table: dbError.table,
},
'🔴 A database error occurred during seeding.',
);
} else {
// Log a generic error if it's not a standard DB error (e.g., connection failed).
logger.error({ error }, '🔴 An unexpected error occurred during seeding.');
}
if (client) {
await client.query('ROLLBACK');
logger.warn('Database transaction rolled back.');
}
process.exit(1); // Exit with an error code
} finally {
if (client) client.release();
await pool.end();
logger.info('Database connection pool closed.');
}
}
main();
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