Schema product ADDRESS, WAREHOUSE, PRODUCT(SPEC,VARINET,IMAGE), INVENTORY, USER DONE

DB_schema.sql

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+-- SQL schema for Saudi Mart Product service based on Java models
+
+-- Table: users
+-- Note: This table is likely managed by a separate auth/user service.
+-- It's included here as a foreign key reference.
+CREATE TABLE users (
+    id VARCHAR(36) PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    email VARCHAR(255) UNIQUE NOT NULL,
+    phone_number VARCHAR(255) UNIQUE,
+    password VARCHAR(255) NOT NULL, -- bcrypt hash
+    role VARCHAR(50) NOT NULL, -- e.g., BUYER, SELLER, ADMIN
+    is_verified BOOLEAN NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    enabled BOOLEAN DEFAULT TRUE,
+    account_non_expired BOOLEAN DEFAULT TRUE,
+    account_non_locked BOOLEAN DEFAULT TRUE,
+    credentials_non_expired BOOLEAN DEFAULT TRUE
+);
+
+-- Table: addresses
+CREATE TABLE addresses (
+    id VARCHAR(36) PRIMARY KEY,
+    user_id VARCHAR(36) NOT NULL,
+    address_type VARCHAR(50) DEFAULT 'SHIPPING', -- e.g., BILLING, SHIPPING, WAREHOUSE
+    company_name VARCHAR(100),
+    street_address_1 VARCHAR(255) NOT NULL,
+    street_address_2 VARCHAR(255),
+    city VARCHAR(100) NOT NULL,
+    state VARCHAR(100) NOT NULL,
+    postal_code VARCHAR(20) NOT NULL,
+    country VARCHAR(100) NOT NULL,
+    is_default BOOLEAN DEFAULT FALSE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+);
+
+-- Table: categories
+CREATE TABLE categories (
+    id VARCHAR(36) PRIMARY KEY,
+    name VARCHAR(100) NOT NULL,
+    image_url VARCHAR(255), -- Made nullable based on common use cases
+    description TEXT,
+    is_active BOOLEAN DEFAULT TRUE,
+ created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Table: warehouses
+CREATE TABLE warehouses (
+    warehouse_id VARCHAR(36) PRIMARY KEY,
+    seller_id VARCHAR(36) NOT NULL,
+    name VARCHAR(100) NOT NULL,
+    address_id VARCHAR(36) NOT NULL,
+    is_active BOOLEAN DEFAULT TRUE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (seller_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (address_id) REFERENCES addresses (id) ON DELETE RESTRICT -- Prevent deleting address if warehouse uses it
+);
+
+-- Table: products
+CREATE TABLE products (
+    id VARCHAR(36) PRIMARY KEY,
+    seller_id VARCHAR(36) NOT NULL,
+    name VARCHAR(255) NOT NULL,
+    description TEXT,
+    category_id VARCHAR(36),
+    base_price DECIMAL(12, 2),
+    minimum_order_quantity INT DEFAULT 1,
+    weight DECIMAL(10, 2),
+    weight_unit VARCHAR(10) DEFAULT 'kg',
+    dimensions VARCHAR(50),
+    sku VARCHAR(50) UNIQUE,
+    available BOOLEAN DEFAULT TRUE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (seller_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (category_id) REFERENCES categories (id) ON DELETE SET NULL
+);
+
+-- Table: product_variants
+CREATE TABLE product_variants (
+    id VARCHAR(36) PRIMARY KEY,
+    product_id VARCHAR(36) NOT NULL,
+    sku VARCHAR(50) UNIQUE NOT NULL,
+    variant_name VARCHAR(255),
+    base_price DECIMAL(12, 2) NOT NULL,
+    available BOOLEAN DEFAULT TRUE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE
+);
+
+-- Table: variant_price_tiers
+CREATE TABLE variant_price_tiers (
+    id VARCHAR(36) PRIMARY KEY,
+    variant_id VARCHAR(36) NOT NULL,
+    minimum_quantity INT NOT NULL CHECK (minimum_quantity > 0),
+    max_quantity INT,
+    price_per_unit DECIMAL(12, 2) NOT NULL CHECK (price_per_unit > 0),
+    discount_percent DECIMAL(5, 2) NOT NULL DEFAULT 0.00 CHECK (discount_percent >= 0),
+    is_active BOOLEAN DEFAULT TRUE,
+    updated_at TIMESTAMP,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE,
+    CONSTRAINT min_max_quantity_check CHECK (max_quantity IS NULL OR max_quantity >= minimum_quantity)
+);
+
+-- Table: product_images
+CREATE TABLE product_images (
+    id VARCHAR(36) PRIMARY KEY,
+ -- product_id is not directly on ProductImage in the latest model, it's via ProductVariant
+    variant_id VARCHAR(36), -- variant_id can be nullable if image is product-level
+    image_url VARCHAR(500) NOT NULL,
+    alt_text VARCHAR(255),
+    display_order INT DEFAULT 0,
+    is_primary BOOLEAN DEFAULT FALSE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ -- FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE, -- Removed based on model
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE
+);
+
+-- Table: product_specifications
+CREATE TABLE product_specifications (
+    id VARCHAR(36) PRIMARY KEY,
+    product_id VARCHAR(36) NOT NULL,
+    spec_name VARCHAR(100) NOT NULL,
+    spec_value TEXT, -- Made nullable as per typical specification data, value might be null
+    unit VARCHAR(50),
+ display_order INT DEFAULT 0,
+ variant_id VARCHAR(36), -- Added variant_id as per model
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE -- Link to variant
+);
+
+-- Table: inventory
+CREATE TABLE inventory (
+    id VARCHAR(36) PRIMARY KEY,
+    product_id VARCHAR(36) NOT NULL,
+    variant_id VARCHAR(36),
+    warehouse_id VARCHAR(36) NOT NULL,
+    quantity INT NOT NULL DEFAULT 0 CHECK (quantity >= 0),
+    reserved_quantity INT NOT NULL DEFAULT 0 CHECK (reserved_quantity >= 0),
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE,
+    FOREIGN KEY (warehouse_id) REFERENCES warehouses (warehouse_id) ON DELETE CASCADE,
+    UNIQUE (product_id, variant_id, warehouse_id) -- Ensure unique entry per product/variant and warehouse
+);
+
+-- Table: contracts
+CREATE TABLE contracts (
+    id VARCHAR(36) PRIMARY KEY,
+    buyer_id VARCHAR(36) NOT NULL,
+    seller_id VARCHAR(36) NOT NULL,
+    contract_number VARCHAR(50) UNIQUE,
+    start_date DATE NOT NULL,
+    end_date DATE NOT NULL,
+    payment_terms INT DEFAULT 30,
+    credit_limit DECIMAL(12, 2),
+    status VARCHAR(50) NOT NULL DEFAULT 'DRAFT', -- e.g., DRAFT, ACTIVE, EXPIRED, TERMINATED
+    terms_and_conditions TEXT,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (buyer_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (seller_id) REFERENCES users (id) ON DELETE CASCADE
+);
+
+-- Table: contract_items
+CREATE TABLE contract_items (
+    id VARCHAR(36) PRIMARY KEY,
+    contract_id VARCHAR(36) NOT NULL,
+    product_id VARCHAR(36) NOT NULL,
+    variant_id VARCHAR(36),
+    negotiated_price DECIMAL(12, 2) NOT NULL CHECK (negotiated_price > 0),
+    min_commitment_quantity INT CHECK (min_commitment_quantity > 0),
+    max_quantity INT CHECK (max_quantity > 0),
+    discount_percent DECIMAL(5, 2) NOT NULL DEFAULT 0.00 CHECK (discount_percent >= 0),
+    is_active BOOLEAN DEFAULT TRUE,
+    FOREIGN KEY (contract_id) REFERENCES contracts (id) ON DELETE CASCADE,
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE
+);
+
+-- Table: credit_applications
+CREATE TABLE credit_applications (
+    id VARCHAR(36) PRIMARY KEY,
+    buyer_id VARCHAR(36) NOT NULL,
+    seller_id VARCHAR(36) NOT NULL,
+    requested_limit DECIMAL(12, 2) NOT NULL,
+    approved_limit DECIMAL(12, 2),
+    status VARCHAR(50) NOT NULL DEFAULT 'PENDING', -- e.g., PENDING, APPROVED, REJECTED, EXPIRED
+    application_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    review_date TIMESTAMP,
+    expiry_date DATE,
+    reviewer_id VARCHAR(36),
+    notes TEXT,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (buyer_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (seller_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (reviewer_id) REFERENCES users (id) ON DELETE SET NULL
+);
+
+-- Table: orders
+CREATE TABLE orders (
+    id VARCHAR(36) PRIMARY KEY,
+    order_number VARCHAR(50) UNIQUE,
+    buyer_id VARCHAR(36) NOT NULL,
+    seller_id VARCHAR(36) NOT NULL,
+    contract_id VARCHAR(36),
+    shipping_address_id VARCHAR(36) NOT NULL,
+    billing_address_id VARCHAR(36) NOT NULL,
+    payment_method VARCHAR(50) DEFAULT 'BANK_TRANSFER', -- e.g., CASH, BANK_TRANSFER, CREDIT, CARD
+    reference_number VARCHAR(50),
+    purchase_order_number VARCHAR(50),
+    expected_delivery_date DATE,
+    actual_delivery_date DATE,
+    notes TEXT,
+    status VARCHAR(50) DEFAULT 'DRAFT', -- e.g., DRAFT, PENDING_APPROVAL, APPROVED, REJECTED, PROCESSING, SHIPPED, DELIVERED, CANCELLED
+    subtotal DECIMAL(12, 2) DEFAULT 0.00,
+    tax_amount DECIMAL(12, 2) DEFAULT 0.00,
+    shipping_cost DECIMAL(12, 2) DEFAULT 0.00,
+    discount_amount DECIMAL(12, 2) DEFAULT 0.00,
+    total_price DECIMAL(12, 2) DEFAULT 0.00,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (buyer_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (seller_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (contract_id) REFERENCES contracts (id) ON DELETE SET NULL,
+    FOREIGN KEY (shipping_address_id) REFERENCES addresses (id) ON DELETE RESTRICT,
+    FOREIGN KEY (billing_address_id) REFERENCES addresses (id) ON DELETE RESTRICT
+);
+
+-- Table: order_items
+CREATE TABLE order_items (
+    id VARCHAR(36) PRIMARY KEY,
+    order_id VARCHAR(36) NOT NULL,
+    product_id VARCHAR(36) NOT NULL,
+    variant_id VARCHAR(36),
+    quantity INT NOT NULL CHECK (quantity > 0),
+    price_per_unit DECIMAL(12, 2) NOT NULL CHECK (price_per_unit > 0),
+    discount_percent DECIMAL(5, 2) DEFAULT 0.00 CHECK (discount_percent >= 0),
+    tax_percent DECIMAL(5, 2) DEFAULT 0.00 CHECK (tax_percent >= 0),
+    total_price DECIMAL(12, 2) NOT NULL CHECK (total_price > 0),
+    ship_from_warehouse_id VARCHAR(36),
+    status VARCHAR(50) NOT NULL DEFAULT 'PENDING', -- e.g., PENDING, PROCESSING, SHIPPED, DELIVERED, CANCELLED
+    notes TEXT,
+    FOREIGN KEY (order_id) REFERENCES orders (id) ON DELETE CASCADE,
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE RESTRICT, -- Prevent deleting product if it's in an order
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE RESTRICT, -- Prevent deleting variant if it's in an order
+    FOREIGN KEY (ship_from_warehouse_id) REFERENCES warehouses (warehouse_id) ON DELETE SET NULL
+);
+
+-- Table: order_approvals
+CREATE TABLE order_approvals (
+    id VARCHAR(36) PRIMARY KEY,
+    order_id VARCHAR(36) NOT NULL,
+    approver_id VARCHAR(36) NOT NULL,
+    approval_level INT DEFAULT 1,
+    status VARCHAR(50) DEFAULT 'PENDING', -- e.g., PENDING, APPROVED, REJECTED
+    comments TEXT,
+    approval_date TIMESTAMP,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (order_id) REFERENCES orders (id) ON DELETE CASCADE,
+    FOREIGN KEY (approver_id) REFERENCES users (id) ON DELETE RESTRICT -- Prevent deleting user if they are an approver
+);
+
+-- Table: payments
+CREATE TABLE payments (
+    id VARCHAR(36) PRIMARY KEY,
+    order_id VARCHAR(36) NOT NULL,
+    payment_reference VARCHAR(100) UNIQUE,
+    amount DECIMAL(12, 2) NOT NULL CHECK (amount > 0),
+    payment_type VARCHAR(50) NOT NULL, -- e.g., CASH, BANK_TRANSFER, CREDIT, CARD
+    transaction_id VARCHAR(100),
+    payment_status VARCHAR(50) NOT NULL DEFAULT 'PENDING', -- e.g., PENDING, SUCCESS, FAILED, REFUNDED, CANCELLED
+    payment_date TIMESTAMP,
+    due_date DATE,
+    notes VARCHAR(1000),
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (order_id) REFERENCES orders (id) ON DELETE CASCADE
+);
+
+-- Table: quotes
+CREATE TABLE quotes (
+    id VARCHAR(36) PRIMARY KEY,
+    quote_number VARCHAR(50) UNIQUE,
+    buyer_id VARCHAR(36) NOT NULL,
+    seller_id VARCHAR(36) NOT NULL,
+    status VARCHAR(50) DEFAULT 'DRAFT', -- e.g., DRAFT, PENDING, APPROVED, REJECTED, ACCEPTED, EXPIRED
+    expiration_date DATE,
+    notes TEXT,
+    subtotal DECIMAL(12, 2) DEFAULT 0.00,
+    tax_amount DECIMAL(12, 2) DEFAULT 0.00,
+    shipping_cost DECIMAL(12, 2) DEFAULT 0.00,
+    discount_amount DECIMAL(12, 2) DEFAULT 0.00,
+    total_price DECIMAL(12, 2) DEFAULT 0.00,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP,
+    FOREIGN KEY (buyer_id) REFERENCES users (id) ON DELETE CASCADE,
+    FOREIGN KEY (seller_id) REFERENCES users (id) ON DELETE CASCADE
+);
+
+-- Table: quote_items
+CREATE TABLE quote_items (
+    id VARCHAR(36) PRIMARY KEY,
+    quote_id VARCHAR(36) NOT NULL,
+    product_id VARCHAR(36) NOT NULL,
+    variant_id VARCHAR(36),
+    quantity INT NOT NULL CHECK (quantity > 0),
+    price_per_unit DECIMAL(12, 2) NOT NULL CHECK (price_per_unit > 0),
+    discount_percent DECIMAL(5, 2) DEFAULT 0.00 CHECK (discount_percent >= 0),
+    tax_percent DECIMAL(5, 2) DEFAULT 0.00 CHECK (tax_percent >= 0),
+    total_price DECIMAL(12, 2) NOT NULL CHECK (total_price > 0),
+    notes TEXT,
+    FOREIGN KEY (quote_id) REFERENCES quotes (id) ON DELETE CASCADE,
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
+    FOREIGN KEY (variant_id) REFERENCES product_variants (id) ON DELETE CASCADE
+);