Add promo code functionality to deposits and enhance wallet routes

schema.sql

@@ -8,15 +8,42 @@ CREATE TABLE IF NOT EXISTS users (
   updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
 );
 
+CREATE TABLE IF NOT EXISTS promo_codes (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  code VARCHAR(32) NOT NULL UNIQUE,
+  bonus_type VARCHAR(16) NOT NULL DEFAULT 'fixed',
+  bonus_value INT NOT NULL DEFAULT 0,
+  max_uses INT NULL,
+  expires_at DATETIME NULL,
+  active TINYINT(1) NOT NULL DEFAULT 1,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+);
+
 CREATE TABLE IF NOT EXISTS deposits (
   id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
   user_id BIGINT UNSIGNED NOT NULL,
   amount INT NOT NULL,
+  bonus_amount INT NOT NULL DEFAULT 0,
+  promo_code_id BIGINT UNSIGNED NULL,
   stripe_payment_intent_id VARCHAR(128) NOT NULL,
   status VARCHAR(32) NOT NULL DEFAULT 'created',
   created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
   updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  CONSTRAINT fk_deposits_user_id FOREIGN KEY (user_id) REFERENCES users(id)
+  CONSTRAINT fk_deposits_user_id FOREIGN KEY (user_id) REFERENCES users(id),
+  CONSTRAINT fk_deposits_promo_code_id FOREIGN KEY (promo_code_id) REFERENCES promo_codes(id)
 );
 
 CREATE INDEX idx_deposits_stripe ON deposits (stripe_payment_intent_id);
+
+CREATE TABLE IF NOT EXISTS promo_redemptions (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  user_id BIGINT UNSIGNED NOT NULL,
+  promo_code_id BIGINT UNSIGNED NOT NULL,
+  deposit_id BIGINT UNSIGNED NOT NULL,
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  CONSTRAINT fk_redemptions_user_id FOREIGN KEY (user_id) REFERENCES users(id),
+  CONSTRAINT fk_redemptions_promo_code_id FOREIGN KEY (promo_code_id) REFERENCES promo_codes(id),
+  CONSTRAINT fk_redemptions_deposit_id FOREIGN KEY (deposit_id) REFERENCES deposits(id),
+  UNIQUE KEY uniq_user_promo (user_id, promo_code_id)
+);