Add Customer users

migrations/000031_update_inventory_movements_for_ingredients.down.sql

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+-- Revert inventory_movements table changes
+-- Add back product_id column
+ALTER TABLE inventory_movements 
+ADD COLUMN product_id UUID;
+
+-- Copy item_id data back to product_id where item_type is 'PRODUCT'
+UPDATE inventory_movements 
+SET product_id = item_id 
+WHERE item_type = 'PRODUCT';
+
+-- Drop the new columns
+ALTER TABLE inventory_movements 
+DROP COLUMN item_id,
+DROP COLUMN item_type;
+
+-- Revert quantity columns to integer
+ALTER TABLE inventory_movements 
+ALTER COLUMN quantity TYPE INTEGER USING quantity::integer,
+ALTER COLUMN previous_quantity TYPE INTEGER USING previous_quantity::integer,
+ALTER COLUMN new_quantity TYPE INTEGER USING new_quantity::integer;
+
+-- Revert cost columns to original precision
+ALTER TABLE inventory_movements 
+ALTER COLUMN unit_cost TYPE DECIMAL(10,2),
+ALTER COLUMN total_cost TYPE DECIMAL(10,2);
+
+-- Drop the new indexes
+DROP INDEX IF EXISTS idx_inventory_movements_item_id;
+DROP INDEX IF EXISTS idx_inventory_movements_item_type;
+DROP INDEX IF EXISTS idx_inventory_movements_item_id_type;