35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
/** Cart persistence: product, variant and quantity only. */
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/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
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export const up = (pgm) => {
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pgm.sql(`
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CREATE TABLE cart_carts (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id uuid NOT NULL UNIQUE,
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created_at timestamptz NOT NULL DEFAULT now(),
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updated_at timestamptz NOT NULL DEFAULT now()
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)
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`);
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pgm.sql(`
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CREATE TABLE cart_items (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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cart_id uuid NOT NULL REFERENCES cart_carts(id) ON DELETE CASCADE,
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product_id uuid NOT NULL,
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variant_id uuid NOT NULL,
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quantity integer NOT NULL,
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created_at timestamptz NOT NULL DEFAULT now(),
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updated_at timestamptz NOT NULL DEFAULT now(),
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CONSTRAINT cart_items_quantity_positive CHECK (quantity > 0),
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CONSTRAINT cart_items_unique_variant_per_cart UNIQUE (cart_id, variant_id)
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)
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`);
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pgm.sql('CREATE INDEX cart_items_cart_id_idx ON cart_items (cart_id)');
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};
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/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
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export const down = (pgm) => {
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pgm.sql('DROP TABLE IF EXISTS cart_items');
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pgm.sql('DROP TABLE IF EXISTS cart_carts');
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};
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