init

add_invoices.sql

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+-- 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);