RemnaWave-bot Update

sql/schema.sql

@@ -7,6 +7,7 @@ CREATE TABLE IF NOT EXISTS telegram_users (
     language_code VARCHAR(16) NULL,
     is_admin BOOLEAN NOT NULL DEFAULT FALSE,
     is_blocked BOOLEAN NOT NULL DEFAULT FALSE,
+    discount_ever_used BOOLEAN NOT NULL DEFAULT FALSE,
     last_seen_at DATETIME NOT NULL,
     created_at DATETIME NOT NULL,
     updated_at DATETIME NOT NULL,
@@ -119,6 +120,7 @@ CREATE TABLE IF NOT EXISTS referral_invites (
     invited_telegram_id BIGINT NOT NULL UNIQUE,
     invited_username VARCHAR(64) NULL,
     invited_display_name VARCHAR(255) NOT NULL,
+    discount_used BOOLEAN NOT NULL DEFAULT FALSE,
     created_at DATETIME NOT NULL,
     INDEX ix_referral_invites_inviter_telegram_id (inviter_telegram_id),
     INDEX ix_referral_invites_invited_telegram_id (invited_telegram_id)
@@ -134,6 +136,37 @@ CREATE TABLE IF NOT EXISTS referral_codes (
     INDEX ix_referral_codes_code (code)
 );
 
+CREATE TABLE IF NOT EXISTS promo_codes (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    code VARCHAR(32) NOT NULL UNIQUE,
+    plan_code VARCHAR(64) NULL,
+    discount_percent INT NOT NULL DEFAULT 0,
+    expires_at DATETIME NULL,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    created_by_telegram_id BIGINT NULL,
+    created_at DATETIME NOT NULL,
+    updated_at DATETIME NOT NULL,
+    INDEX ix_promo_codes_code (code),
+    INDEX ix_promo_codes_plan_code (plan_code),
+    INDEX ix_promo_codes_expires_at (expires_at),
+    INDEX ix_promo_codes_is_active (is_active),
+    INDEX ix_promo_codes_created_by_telegram_id (created_by_telegram_id)
+);
+
+CREATE TABLE IF NOT EXISTS promo_code_applications (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    telegram_id BIGINT NOT NULL UNIQUE,
+    promo_code_id INT NOT NULL,
+    created_at DATETIME NOT NULL,
+    updated_at DATETIME NOT NULL,
+    CONSTRAINT fk_promo_code_applications_promo_code
+        FOREIGN KEY (promo_code_id)
+        REFERENCES promo_codes (id)
+        ON DELETE CASCADE,
+    INDEX ix_promo_code_applications_telegram_id (telegram_id),
+    INDEX ix_promo_code_applications_promo_code_id (promo_code_id)
+);
+
 CREATE TABLE IF NOT EXISTS payment_orders (
     id INT AUTO_INCREMENT PRIMARY KEY,
     order_uuid CHAR(36) NOT NULL UNIQUE,