invoice-system/add_invoices.sql

39 lines
1.4 KiB
SQL

-- Migration to add Invoice functionality
-- Run this on your existing database
-- Create invoices table
CREATE TABLE IF NOT EXISTS invoices (
id SERIAL PRIMARY KEY,
invoice_number VARCHAR(50) UNIQUE NOT NULL,
customer_id INTEGER REFERENCES customers(id),
invoice_date DATE NOT NULL,
terms VARCHAR(100) DEFAULT 'Net 30',
auth_code VARCHAR(255),
tax_exempt BOOLEAN DEFAULT FALSE,
tax_rate DECIMAL(5,2) DEFAULT 8.25,
subtotal DECIMAL(10,2) DEFAULT 0,
tax_amount DECIMAL(10,2) DEFAULT 0,
total DECIMAL(10,2) DEFAULT 0,
created_from_quote_id INTEGER REFERENCES quotes(id),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
-- Create invoice_items table
CREATE TABLE IF NOT EXISTS invoice_items (
id SERIAL PRIMARY KEY,
invoice_id INTEGER REFERENCES invoices(id) ON DELETE CASCADE,
quantity VARCHAR(20) NOT NULL,
description TEXT NOT NULL,
rate VARCHAR(50) NOT NULL,
amount VARCHAR(50) NOT NULL,
item_order INTEGER NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
-- Create indexes
CREATE INDEX IF NOT EXISTS idx_invoices_invoice_number ON invoices(invoice_number);
CREATE INDEX IF NOT EXISTS idx_invoices_customer_id ON invoices(customer_id);
CREATE INDEX IF NOT EXISTS idx_invoice_items_invoice_id ON invoice_items(invoice_id);
CREATE INDEX IF NOT EXISTS idx_invoices_created_from_quote ON invoices(created_from_quote_id);