feat(server/migrate): 000024 邀请奖励表 + subscriptions.source 扩 invite/task

server/migrations/mysql/000024_invite_rewards.down.sql

@@ -0,0 +1,7 @@
+ALTER TABLE subscriptions MODIFY source ENUM('trial','code','pay') NOT NULL;
+DROP TABLE reward_claims;
+DROP TABLE referrals;
+ALTER TABLE users
+  DROP INDEX ux_users_invite_code,
+  DROP COLUMN first_paid_at,
+  DROP COLUMN invite_code;

server/migrations/mysql/000024_invite_rewards.up.sql

@@ -0,0 +1,32 @@
+ALTER TABLE users
+  ADD COLUMN invite_code VARCHAR(16) NULL,
+  ADD COLUMN first_paid_at DATETIME(6) NULL,
+  ADD UNIQUE KEY ux_users_invite_code (invite_code);
+
+CREATE TABLE referrals (
+  id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
+  inviter_id BIGINT UNSIGNED NOT NULL,
+  invitee_id BIGINT UNSIGNED NOT NULL UNIQUE,
+  device_uuid VARCHAR(64) NULL,
+  status ENUM('bound','reg_rewarded','paid_rewarded','rejected') NOT NULL DEFAULT 'bound',
+  reg_rewarded_at DATETIME(6) NULL,
+  paid_rewarded_at DATETIME(6) NULL,
+  created_at DATETIME(6) NOT NULL,
+  INDEX ix_referrals_inviter (inviter_id, created_at),
+  FOREIGN KEY (inviter_id) REFERENCES users(id),
+  FOREIGN KEY (invitee_id) REFERENCES users(id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE reward_claims (
+  id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
+  user_id BIGINT UNSIGNED NOT NULL,
+  task_key VARCHAR(32) NOT NULL,
+  external_ref VARCHAR(64) NOT NULL DEFAULT '',
+  granted_days INT NOT NULL,
+  granted_at DATETIME(6) NOT NULL,
+  UNIQUE KEY ux_claim_user_task (user_id, task_key),
+  UNIQUE KEY ux_claim_task_ref (task_key, external_ref),
+  FOREIGN KEY (user_id) REFERENCES users(id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+ALTER TABLE subscriptions MODIFY source ENUM('trial','code','pay','invite','task') NOT NULL;