mirror of
https://git.meshkee.com/Meshkee/backend.git
synced 2026-08-11 22:30:59 +04:30
Ali Reza
bb59d5e9ba
NestJS backend with Prisma, Docker Compose for Postgres/Redis, and deploy docs for the production VM.
105 lines
4.3 KiB
SQL
105 lines
4.3 KiB
SQL
-- Category variations & options (product categories only)
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-- Variation types: color (predefined palette), size (user-defined), custom (user-defined name + values)
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CREATE TYPE variation_type AS ENUM ('color', 'size', 'custom');
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CREATE TABLE category_variations (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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business_id BIGINT NOT NULL,
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category_id BIGINT NOT NULL,
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name VARCHAR(255) NOT NULL,
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variation_type variation_type NOT NULL,
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sort_order INTEGER NOT NULL DEFAULT 0,
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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 category_variations_business_id_fkey
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FOREIGN KEY (business_id) REFERENCES businesses (id) ON DELETE CASCADE,
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CONSTRAINT category_variations_category_id_fkey
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FOREIGN KEY (category_id) REFERENCES categories (id) ON DELETE CASCADE
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);
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CREATE UNIQUE INDEX category_variations_one_color_per_category
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ON category_variations (category_id) WHERE variation_type = 'color';
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CREATE UNIQUE INDEX category_variations_one_size_per_category
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ON category_variations (category_id) WHERE variation_type = 'size';
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CREATE UNIQUE INDEX category_variations_custom_name_per_category
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ON category_variations (category_id, name) WHERE variation_type = 'custom';
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CREATE INDEX idx_category_variations_category_id ON category_variations (category_id);
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CREATE INDEX idx_category_variations_business_id ON category_variations (business_id);
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CREATE TRIGGER category_variations_set_updated_at
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BEFORE UPDATE ON category_variations
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FOR EACH ROW
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EXECUTE FUNCTION set_updated_at();
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CREATE TABLE category_variation_options (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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variation_id BIGINT NOT NULL,
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label VARCHAR(255) NOT NULL,
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value VARCHAR(255) NOT NULL,
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color_hex VARCHAR(7),
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sort_order INTEGER NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT category_variation_options_variation_id_fkey
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FOREIGN KEY (variation_id) REFERENCES category_variations (id) ON DELETE CASCADE,
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CONSTRAINT category_variation_options_unique_value
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UNIQUE (variation_id, value)
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);
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CREATE INDEX idx_category_variation_options_variation_id
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ON category_variation_options (variation_id);
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-- Product variants (combinations of category variation options)
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CREATE TABLE product_variants (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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business_id BIGINT NOT NULL,
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product_id BIGINT NOT NULL,
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sku VARCHAR(100),
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price NUMERIC(12, 2),
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compare_at_price NUMERIC(12, 2),
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stock_quantity INTEGER,
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is_active BOOLEAN NOT NULL DEFAULT TRUE,
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sort_order INTEGER NOT NULL DEFAULT 0,
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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 product_variants_business_id_fkey
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FOREIGN KEY (business_id) REFERENCES businesses (id) ON DELETE CASCADE,
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CONSTRAINT product_variants_product_id_fkey
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FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
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CONSTRAINT product_variants_stock_non_negative
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CHECK (stock_quantity IS NULL OR stock_quantity >= 0)
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);
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CREATE INDEX idx_product_variants_product_id ON product_variants (product_id);
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CREATE INDEX idx_product_variants_business_id ON product_variants (business_id);
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CREATE TRIGGER product_variants_set_updated_at
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BEFORE UPDATE ON product_variants
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FOR EACH ROW
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EXECUTE FUNCTION set_updated_at();
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CREATE TABLE product_variant_selections (
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variant_id BIGINT NOT NULL,
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variation_id BIGINT NOT NULL,
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option_id BIGINT NOT NULL,
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CONSTRAINT product_variant_selections_pkey PRIMARY KEY (variant_id, variation_id),
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CONSTRAINT product_variant_selections_variant_id_fkey
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FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE,
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CONSTRAINT product_variant_selections_variation_id_fkey
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FOREIGN KEY (variation_id) REFERENCES category_variations (id) ON DELETE RESTRICT,
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CONSTRAINT product_variant_selections_option_id_fkey
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FOREIGN KEY (option_id) REFERENCES category_variation_options (id) ON DELETE RESTRICT,
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CONSTRAINT product_variant_selections_unique_option
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UNIQUE (variant_id, option_id)
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);
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CREATE INDEX idx_product_variant_selections_option_id
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ON product_variant_selections (option_id);
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