Integrate refund logic

backend/src/main/resources/db/migration/V14__consolidated_updates.sql

@@ -0,0 +1,33 @@
+-- Consolidated Updates: Phone Normalization and Refund Items
+
+-- 1. Create refund_item table
+CREATE TABLE IF NOT EXISTS refund_item (
+    id BIGINT AUTO_INCREMENT PRIMARY KEY,
+    refund_id BIGINT NOT NULL,
+    prod_id BIGINT NOT NULL,
+    quantity INT NOT NULL,
+    unit_price DECIMAL(10, 2) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (refund_id) REFERENCES refund(id) ON DELETE CASCADE,
+    FOREIGN KEY (prod_id) REFERENCES product(prodId)
+);
+
+-- 2. Normalize existing phone numbers (MySQL Set-based)
+UPDATE users 
+SET phone = CONCAT('(', SUBSTRING(REGEXP_REPLACE(phone, '[^0-9]', ''), -10, 3), ') ', 
+                   SUBSTRING(REGEXP_REPLACE(phone, '[^0-9]', ''), -7, 3), '-', 
+                   SUBSTRING(REGEXP_REPLACE(phone, '[^0-9]', ''), -4))
+WHERE phone REGEXP '[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9]';
+
+UPDATE supplier 
+SET supPhone = CONCAT('(', SUBSTRING(REGEXP_REPLACE(supPhone, '[^0-9]', ''), -10, 3), ') ', 
+                      SUBSTRING(REGEXP_REPLACE(supPhone, '[^0-9]', ''), -7, 3), '-', 
+                      SUBSTRING(REGEXP_REPLACE(supPhone, '[^0-9]', ''), -4))
+WHERE supPhone REGEXP '[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9]';
+
+UPDATE storeLocation 
+SET phone = CONCAT('(', SUBSTRING(REGEXP_REPLACE(phone, '[^0-9]', ''), -10, 3), ') ', 
+                   SUBSTRING(REGEXP_REPLACE(phone, '[^0-9]', ''), -7, 3), '-', 
+                   SUBSTRING(REGEXP_REPLACE(phone, '[^0-9]', ''), -4))
+WHERE phone REGEXP '[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9]';