chore: initial database schema

.gitignore

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+node_modules
+dist
+.wrangler
+.env
+.next

database/01_init.sql

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+CREATE TABLE IF NOT EXISTS users (
+    email TEXT PRIMARY KEY,
+    username TEXT UNIQUE,
+    full_name TEXT NOT NULL,
+    phone TEXT,
+    citizen_id TEXT,
+    mauth_token TEXT,
+    role TEXT DEFAULT 'visitor' CHECK(role IN ('customer', 'restaurant', 'delivery_agent', 'visitor')),
+    is_banned INTEGER DEFAULT 0,
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    updated_at TEXT DEFAULT CURRENT_TIMESTAMP
+);
+CREATE TABLE IF NOT EXISTS restaurants (
+    id TEXT PRIMARY KEY,
+    owner_email TEXT NOT NULL,
+    name TEXT NOT NULL,
+    description TEXT,
+    address TEXT NOT NULL,
+    latitude REAL NOT NULL,
+    longitude REAL NOT NULL,
+    image_url TEXT,
+    status TEXT NOT NULL DEFAULT 'active' CHECK(status IN ('active', 'closed')),
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    updated_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (owner_email) REFERENCES users(email) ON DELETE CASCADE
+);
+CREATE TABLE IF NOT EXISTS delivery_agents (
+    user_email TEXT PRIMARY KEY,
+    vehicle_type TEXT,
+    is_available INTEGER NOT NULL DEFAULT 1,
+    current_latitude REAL,
+    current_longitude REAL,
+    updated_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_email) REFERENCES users(email) ON DELETE CASCADE
+);
+CREATE TABLE IF NOT EXISTS menu_items (
+    id TEXT PRIMARY KEY,
+    restaurant_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    description TEXT,
+    category TEXT,
+    ingredients TEXT,
+    recipe TEXT,
+    price REAL NOT NULL,
+    image_url TEXT,
+    is_available INTEGER NOT NULL DEFAULT 1,
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    updated_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (restaurant_id) REFERENCES restaurants(id) ON DELETE CASCADE
+);
+CREATE TABLE IF NOT EXISTS orders (
+    id TEXT PRIMARY KEY,
+    customer_email TEXT NOT NULL,
+    restaurant_id TEXT NOT NULL,
+    delivery_agent_email TEXT,
+    delivery_address TEXT NOT NULL,
+    delivery_latitude REAL NOT NULL,
+    delivery_longitude REAL NOT NULL,
+    subtotal REAL NOT NULL,
+    delivery_fee REAL NOT NULL,
+    total_amount REAL NOT NULL,
+    status TEXT NOT NULL DEFAULT 'placed' CHECK(status IN ('placed', 'accepted', 'preparing', 'ready_for_pickup', 'assigned', 'picked_up', 'delivered', 'cancelled')),
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    updated_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (customer_email) REFERENCES users(email),
+    FOREIGN KEY (restaurant_id) REFERENCES restaurants(id),
+    FOREIGN KEY (delivery_agent_email) REFERENCES users(email)
+);
+CREATE TABLE IF NOT EXISTS order_items (
+    id TEXT PRIMARY KEY,
+    order_id TEXT NOT NULL,
+    menu_item_id TEXT NOT NULL,
+    item_name TEXT NOT NULL,
+    quantity INTEGER NOT NULL,
+    unit_price REAL NOT NULL,
+    special_instructions TEXT,
+    FOREIGN KEY (order_id) REFERENCES orders(id) ON DELETE CASCADE,
+    FOREIGN KEY (menu_item_id) REFERENCES menu_items(id)
+);
+CREATE TABLE IF NOT EXISTS ratings (
+    id TEXT PRIMARY KEY,
+    order_id TEXT NOT NULL,
+    customer_email TEXT NOT NULL,
+    restaurant_rating INTEGER NOT NULL CHECK(restaurant_rating BETWEEN 1 AND 5),
+    driver_rating INTEGER CHECK(driver_rating BETWEEN 1 AND 5),
+    comment TEXT,
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (order_id) REFERENCES orders(id),
+    FOREIGN KEY (customer_email) REFERENCES users(email)
+);
+CREATE TABLE IF NOT EXISTS notifications (
+    id TEXT PRIMARY KEY,
+    recipient_email TEXT NOT NULL,
+    type TEXT NOT NULL DEFAULT 'info' CHECK(type IN ('info', 'success', 'warning', 'mention', 'system')),
+    title TEXT NOT NULL,
+    body TEXT,
+    link TEXT,
+    actor_email TEXT,
+    is_read INTEGER NOT NULL DEFAULT 0,
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (recipient_email) REFERENCES users(email) ON DELETE CASCADE,
+    FOREIGN KEY (actor_email) REFERENCES users(email)
+);
+CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
+CREATE INDEX IF NOT EXISTS idx_restaurants_owner ON restaurants(owner_email);
+CREATE INDEX IF NOT EXISTS idx_menu_items_restaurant ON menu_items(restaurant_id);
+CREATE INDEX IF NOT EXISTS idx_orders_customer ON orders(customer_email);
+CREATE INDEX IF NOT EXISTS idx_orders_restaurant ON orders(restaurant_id);
+CREATE INDEX IF NOT EXISTS idx_orders_delivery_agent ON orders(delivery_agent_email);
+CREATE INDEX IF NOT EXISTS idx_order_items_order ON order_items(order_id);
+CREATE INDEX IF NOT EXISTS idx_order_items_menu_item ON order_items(menu_item_id);
+CREATE INDEX IF NOT EXISTS idx_ratings_order ON ratings(order_id);
+CREATE INDEX IF NOT EXISTS idx_ratings_customer ON ratings(customer_email);
+CREATE INDEX IF NOT EXISTS idx_notifications_recipient ON notifications(recipient_email, is_read, created_at);
+CREATE UNIQUE INDEX IF NOT EXISTS idx_users_email ON users(email);