chore: initial commit Dutra Store POS app

supabase/migrations/20240101_add_cancel_and_min_stock.sql

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+-- Migration: Add is_cancelled to sales and min_stock to products
+-- Run this in Supabase Dashboard > SQL Editor
+
+-- Add is_cancelled column to sales table
+ALTER TABLE sales
+  ADD COLUMN IF NOT EXISTS is_cancelled BOOLEAN DEFAULT false;
+
+-- Add min_stock column to products table
+ALTER TABLE products
+  ADD COLUMN IF NOT EXISTS min_stock INTEGER DEFAULT 5;
+
+-- Update existing products to have default min_stock if null
+UPDATE products
+  SET min_stock = 5
+  WHERE min_stock IS NULL;

supabase/migrations/20240102_add_harga_pokok_and_profit.sql

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+-- Migration: Add harga_pokok to products and total_cost to sales
+-- Run this in Supabase Dashboard > SQL Editor
+
+-- Add harga_pokok column to products table
+ALTER TABLE products
+  ADD COLUMN IF NOT EXISTS harga_pokok numeric DEFAULT 0;
+
+-- Add total_cost column to sales table
+ALTER TABLE sales
+  ADD COLUMN IF NOT EXISTS total_cost numeric DEFAULT 0;
+
+-- Update existing products to have default harga_pokok if null
+UPDATE products
+  SET harga_pokok = 0
+  WHERE harga_pokok IS NULL;
+
+-- Update existing sales to have default total_cost if null
+UPDATE sales
+  SET total_cost = 0
+  WHERE total_cost IS NULL;

supabase/migrations/20240103_add_payment_method.sql

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+-- Migration: add payment method fields to sales table
+-- Run this in Supabase SQL Editor before using payment features
+
+ALTER TABLE sales
+  ADD COLUMN IF NOT EXISTS payment_method text NOT NULL DEFAULT 'tunai',
+  ADD COLUMN IF NOT EXISTS split_payment jsonb;
+
+-- Optional: add index for filtering by payment method
+CREATE INDEX IF NOT EXISTS idx_sales_payment_method ON sales(payment_method);