106 lines
4.4 KiB
SQL
106 lines
4.4 KiB
SQL
CREATE EXTENSION IF NOT EXISTS pgcrypto;
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CREATE TABLE IF NOT EXISTS customers (
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customer_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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first_name TEXT NOT NULL,
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last_name TEXT NOT NULL,
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email TEXT UNIQUE,
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phone TEXT,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS vehicles (
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vehicle_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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customer_id UUID NOT NULL REFERENCES customers(customer_id) ON DELETE CASCADE,
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registration_number TEXT NOT NULL UNIQUE,
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make TEXT NOT NULL,
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model TEXT NOT NULL,
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model_year INTEGER CHECK (model_year BETWEEN 1886 AND EXTRACT(YEAR FROM CURRENT_DATE)::INTEGER + 1),
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engine TEXT,
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transmission TEXT,
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fuel_type TEXT,
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color TEXT,
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vin CHAR(17) UNIQUE,
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mileage INTEGER NOT NULL DEFAULT 0 CHECK (mileage >= 0),
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS employees (
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employee_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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first_name TEXT NOT NULL,
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last_name TEXT NOT NULL,
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role TEXT NOT NULL CHECK (role IN ('technician', 'service_advisor', 'manager')),
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email TEXT UNIQUE,
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active BOOLEAN NOT NULL DEFAULT TRUE
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);
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CREATE TABLE IF NOT EXISTS appointments (
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appointment_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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vehicle_id UUID NOT NULL REFERENCES vehicles(vehicle_id) ON DELETE CASCADE,
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employee_id UUID REFERENCES employees(employee_id) ON DELETE SET NULL,
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scheduled_at TIMESTAMPTZ NOT NULL,
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reason TEXT NOT NULL,
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status TEXT NOT NULL DEFAULT 'scheduled'
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CHECK (status IN ('scheduled', 'confirmed', 'completed', 'cancelled', 'no_show')),
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS service_orders (
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service_order_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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vehicle_id UUID NOT NULL REFERENCES vehicles(vehicle_id) ON DELETE RESTRICT,
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assigned_employee_id UUID REFERENCES employees(employee_id) ON DELETE SET NULL,
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opened_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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closed_at TIMESTAMPTZ,
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complaint TEXT NOT NULL,
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service_date DATE NOT NULL DEFAULT CURRENT_DATE,
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diagnosis TEXT,
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status TEXT NOT NULL DEFAULT 'open'
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CHECK (status IN ('open', 'in_progress', 'waiting_for_parts', 'ready', 'closed', 'cancelled')),
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CHECK (closed_at IS NULL OR closed_at >= opened_at)
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);
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CREATE TABLE IF NOT EXISTS service_order_items (
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item_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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service_order_id UUID NOT NULL REFERENCES service_orders(service_order_id) ON DELETE CASCADE,
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item_type TEXT NOT NULL CHECK (item_type IN ('labor', 'part')),
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description TEXT NOT NULL,
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quantity NUMERIC(10, 2) NOT NULL DEFAULT 1 CHECK (quantity > 0),
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unit_price NUMERIC(12, 2) NOT NULL CHECK (unit_price >= 0),
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS invoices (
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invoice_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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service_order_id UUID NOT NULL UNIQUE REFERENCES service_orders(service_order_id) ON DELETE RESTRICT,
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issued_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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due_at DATE,
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status TEXT NOT NULL DEFAULT 'unpaid'
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CHECK (status IN ('draft', 'unpaid', 'paid', 'void')),
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tax_rate NUMERIC(5, 2) NOT NULL DEFAULT 0 CHECK (tax_rate >= 0 AND tax_rate <= 100)
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);
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CREATE TABLE IF NOT EXISTS app_users (
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user_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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username TEXT NOT NULL UNIQUE,
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display_name TEXT NOT NULL,
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email TEXT UNIQUE,
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role TEXT NOT NULL DEFAULT 'viewer'
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CHECK (role IN ('admin', 'service_advisor', 'technician', 'viewer')),
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can_read BOOLEAN NOT NULL DEFAULT TRUE,
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can_add BOOLEAN NOT NULL DEFAULT FALSE,
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can_delete BOOLEAN NOT NULL DEFAULT FALSE,
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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_vehicles_customer_id ON vehicles(customer_id);
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CREATE INDEX IF NOT EXISTS idx_appointments_scheduled_at ON appointments(scheduled_at);
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CREATE INDEX IF NOT EXISTS idx_service_orders_vehicle_id ON service_orders(vehicle_id);
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CREATE INDEX IF NOT EXISTS idx_service_orders_status ON service_orders(status);
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INSERT INTO customers (first_name, last_name, email, phone)
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VALUES ('Alex', 'Morgan', 'alex.morgan@example.com', '+1-555-0100')
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ON CONFLICT (email) DO NOTHING;
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INSERT INTO app_users (username, display_name, role, can_read, can_add, can_delete)
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VALUES ('admin', 'Workshop administrator', 'admin', TRUE, TRUE, TRUE)
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ON CONFLICT (username) DO NOTHING; |