Initial commit: Meshkee CMS API

NestJS backend with Prisma, Docker Compose for Postgres/Redis, and deploy docs for the production VM.
2026-08-11 22:30:59 +04:30 · 2026-07-21 17:52:36 +03:30
commit bb59d5e9ba
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+-- Category variations & options (product categories only)
+-- Variation types: color (predefined palette), size (user-defined), custom (user-defined name + values)
+
+CREATE TYPE variation_type AS ENUM ('color', 'size', 'custom');
+
+CREATE TABLE category_variations (
+  id              BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+  business_id     BIGINT NOT NULL,
+  category_id     BIGINT NOT NULL,
+  name            VARCHAR(255) NOT NULL,
+  variation_type  variation_type NOT NULL,
+  sort_order      INTEGER NOT NULL DEFAULT 0,
+  created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+  CONSTRAINT category_variations_business_id_fkey
+    FOREIGN KEY (business_id) REFERENCES businesses (id) ON DELETE CASCADE,
+  CONSTRAINT category_variations_category_id_fkey
+    FOREIGN KEY (category_id) REFERENCES categories (id) ON DELETE CASCADE
+);
+
+CREATE UNIQUE INDEX category_variations_one_color_per_category
+  ON category_variations (category_id) WHERE variation_type = 'color';
+
+CREATE UNIQUE INDEX category_variations_one_size_per_category
+  ON category_variations (category_id) WHERE variation_type = 'size';
+
+CREATE UNIQUE INDEX category_variations_custom_name_per_category
+  ON category_variations (category_id, name) WHERE variation_type = 'custom';
+
+CREATE INDEX idx_category_variations_category_id ON category_variations (category_id);
+CREATE INDEX idx_category_variations_business_id ON category_variations (business_id);
+
+CREATE TRIGGER category_variations_set_updated_at
+  BEFORE UPDATE ON category_variations
+  FOR EACH ROW
+  EXECUTE FUNCTION set_updated_at();
+
+CREATE TABLE category_variation_options (
+  id            BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+  variation_id  BIGINT NOT NULL,
+  label         VARCHAR(255) NOT NULL,
+  value         VARCHAR(255) NOT NULL,
+  color_hex     VARCHAR(7),
+  sort_order    INTEGER NOT NULL DEFAULT 0,
+  created_at    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+  CONSTRAINT category_variation_options_variation_id_fkey
+    FOREIGN KEY (variation_id) REFERENCES category_variations (id) ON DELETE CASCADE,
+  CONSTRAINT category_variation_options_unique_value
+    UNIQUE (variation_id, value)
+);
+
+CREATE INDEX idx_category_variation_options_variation_id
+  ON category_variation_options (variation_id);
+
+-- Product variants (combinations of category variation options)
+CREATE TABLE product_variants (
+  id               BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+  business_id      BIGINT NOT NULL,
+  product_id       BIGINT NOT NULL,
+  sku              VARCHAR(100),
+  price            NUMERIC(12, 2),
+  compare_at_price NUMERIC(12, 2),
+  stock_quantity   INTEGER,
+  is_active        BOOLEAN NOT NULL DEFAULT TRUE,
+  sort_order       INTEGER NOT NULL DEFAULT 0,
+  created_at       TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at       TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+  CONSTRAINT product_variants_business_id_fkey
+    FOREIGN KEY (business_id) REFERENCES businesses (id) ON DELETE CASCADE,
+  CONSTRAINT product_variants_product_id_fkey
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
+  CONSTRAINT product_variants_stock_non_negative
+    CHECK (stock_quantity IS NULL OR stock_quantity >= 0)
+);
+
+CREATE INDEX idx_product_variants_product_id ON product_variants (product_id);
+CREATE INDEX idx_product_variants_business_id ON product_variants (business_id);
+
+CREATE TRIGGER product_variants_set_updated_at
+  BEFORE UPDATE ON product_variants
+  FOR EACH ROW
+  EXECUTE FUNCTION set_updated_at();
+
+CREATE TABLE product_variant_selections (
+  variant_id    BIGINT NOT NULL,
+  variation_id  BIGINT NOT NULL,
+  option_id     BIGINT NOT NULL,
+
+  CONSTRAINT product_variant_selections_pkey PRIMARY KEY (variant_id, variation_id),
+  CONSTRAINT product_variant_selections_variant_id_fkey
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE,
+  CONSTRAINT product_variant_selections_variation_id_fkey
+    FOREIGN KEY (variation_id) REFERENCES category_variations (id) ON DELETE RESTRICT,
+  CONSTRAINT product_variant_selections_option_id_fkey
+    FOREIGN KEY (option_id) REFERENCES category_variation_options (id) ON DELETE RESTRICT,
+  CONSTRAINT product_variant_selections_unique_option
+    UNIQUE (variant_id, option_id)
+);
+
+CREATE INDEX idx_product_variant_selections_option_id
+  ON product_variant_selections (option_id);