108 lines
4.1 KiB
Go
108 lines
4.1 KiB
Go
package database
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import (
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"context"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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func Migrate(ctx context.Context, pool *pgxpool.Pool) error {
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queries := []string{
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`CREATE TABLE IF NOT EXISTS admins (
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id SERIAL PRIMARY KEY,
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email VARCHAR(255) UNIQUE NOT NULL,
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password_hash VARCHAR(255) NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)`,
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`ALTER TABLE products ADD COLUMN IF NOT EXISTS details TEXT NOT NULL DEFAULT ''`,
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`ALTER TABLE products ADD COLUMN IF NOT EXISTS is_active BOOLEAN NOT NULL DEFAULT true`,
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`ALTER TABLE products ADD COLUMN IF NOT EXISTS updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()`,
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`CREATE TABLE IF NOT EXISTS product_images (
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id SERIAL PRIMARY KEY,
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product_id INT NOT NULL REFERENCES products(id) ON DELETE CASCADE,
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file_path VARCHAR(512) NOT NULL,
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is_primary BOOLEAN NOT NULL DEFAULT false,
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sort_order INT NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)`,
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`CREATE INDEX IF NOT EXISTS idx_product_images_product ON product_images (product_id)`,
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`CREATE TABLE IF NOT EXISTS site_stats (
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id INT PRIMARY KEY DEFAULT 1 CHECK (id = 1),
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total_visits BIGINT NOT NULL DEFAULT 0,
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today_visits INT NOT NULL DEFAULT 0,
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visit_date DATE NOT NULL DEFAULT CURRENT_DATE
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)`,
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`INSERT INTO site_stats (id) VALUES (1) ON CONFLICT (id) DO NOTHING`,
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`CREATE TABLE IF NOT EXISTS users (
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id SERIAL PRIMARY KEY,
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email VARCHAR(255) UNIQUE NOT NULL,
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password_hash VARCHAR(255) NOT NULL,
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name VARCHAR(255) NOT NULL DEFAULT '',
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phone VARCHAR(50) NOT NULL DEFAULT '',
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address TEXT NOT NULL DEFAULT '',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)`,
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`CREATE TABLE IF NOT EXISTS carts (
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id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(id) ON DELETE CASCADE,
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session_key VARCHAR(64) NOT NULL DEFAULT '',
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)`,
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`CREATE UNIQUE INDEX IF NOT EXISTS idx_carts_user ON carts (user_id) WHERE user_id IS NOT NULL`,
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`CREATE UNIQUE INDEX IF NOT EXISTS idx_carts_session ON carts (session_key) WHERE user_id IS NULL`,
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`CREATE TABLE IF NOT EXISTS cart_items (
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id SERIAL PRIMARY KEY,
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cart_id INT NOT NULL REFERENCES carts(id) ON DELETE CASCADE,
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product_id INT NOT NULL REFERENCES products(id) ON DELETE CASCADE,
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quantity INT NOT NULL DEFAULT 1 CHECK (quantity > 0),
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UNIQUE (cart_id, product_id)
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)`,
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`CREATE TABLE IF NOT EXISTS orders (
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id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(id) ON DELETE SET NULL,
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guest_name VARCHAR(255) NOT NULL DEFAULT '',
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guest_email VARCHAR(255) NOT NULL DEFAULT '',
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guest_phone VARCHAR(50) NOT NULL DEFAULT '',
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address TEXT NOT NULL DEFAULT '',
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total NUMERIC(10,2) NOT NULL DEFAULT 0,
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status VARCHAR(50) NOT NULL DEFAULT 'new',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)`,
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`CREATE TABLE IF NOT EXISTS order_items (
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id SERIAL PRIMARY KEY,
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order_id INT NOT NULL REFERENCES orders(id) ON DELETE CASCADE,
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product_id INT NOT NULL,
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product_name VARCHAR(255) NOT NULL,
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price NUMERIC(10,2) NOT NULL,
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quantity INT NOT NULL CHECK (quantity > 0)
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)`,
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`CREATE INDEX IF NOT EXISTS idx_orders_user ON orders (user_id)`,
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`CREATE TABLE IF NOT EXISTS categories (
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id SERIAL PRIMARY KEY,
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name VARCHAR(100) NOT NULL UNIQUE,
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slug VARCHAR(100) NOT NULL UNIQUE,
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description TEXT NOT NULL DEFAULT '',
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sort_order INT NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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)`,
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`ALTER TABLE products ADD COLUMN IF NOT EXISTS category_id INT REFERENCES categories(id) ON DELETE SET NULL`,
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`ALTER TABLE products ADD COLUMN IF NOT EXISTS sale_price NUMERIC(10,2)`,
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`INSERT INTO categories (name, slug, sort_order) VALUES
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('Электроника', 'elektronika', 1),
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('Одежда', 'odezhda', 2),
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('Дом и сад', 'dom-i-sad', 3),
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('Аксессуары', 'aksessuary', 4),
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('Разное', 'raznoe', 5)
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ON CONFLICT (slug) DO NOTHING`,
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`UPDATE products p SET category_id = c.id
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FROM categories c WHERE p.category = c.name AND p.category_id IS NULL`,
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}
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for _, q := range queries {
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if _, err := pool.Exec(ctx, q); err != nil {
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return err
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}
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}
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return nil
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}
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