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

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

@@ -0,0 +1,21 @@
+-- 还原 subscriptions.source CHECK
+CREATE TABLE subscriptions_old (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  user_id INTEGER NOT NULL,
+  plan_id INTEGER NOT NULL,
+  expires_at DATETIME NOT NULL,
+  source TEXT NOT NULL CHECK (source IN ('trial','code','pay')),
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (user_id) REFERENCES users(id),
+  FOREIGN KEY (plan_id) REFERENCES plans(id)
+);
+INSERT INTO subscriptions_old SELECT id,user_id,plan_id,expires_at,source,created_at
+  FROM subscriptions WHERE source IN ('trial','code','pay');
+DROP TABLE subscriptions;
+ALTER TABLE subscriptions_old RENAME TO subscriptions;
+
+DROP TABLE reward_claims;
+DROP TABLE referrals;
+DROP INDEX ux_users_invite_code;
+ALTER TABLE users DROP COLUMN first_paid_at;
+ALTER TABLE users DROP COLUMN invite_code;

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

@@ -0,0 +1,49 @@
+-- users 加两列
+ALTER TABLE users ADD COLUMN invite_code TEXT;
+ALTER TABLE users ADD COLUMN first_paid_at DATETIME;
+CREATE UNIQUE INDEX ux_users_invite_code ON users(invite_code);
+
+-- 邀请关系(一对一绑定)
+CREATE TABLE referrals (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  inviter_id INTEGER NOT NULL,
+  invitee_id INTEGER NOT NULL UNIQUE,
+  device_uuid TEXT,
+  status TEXT NOT NULL DEFAULT 'bound'
+    CHECK (status IN ('bound','reg_rewarded','paid_rewarded','rejected')),
+  reg_rewarded_at DATETIME,
+  paid_rewarded_at DATETIME,
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (inviter_id) REFERENCES users(id),
+  FOREIGN KEY (invitee_id) REFERENCES users(id)
+);
+CREATE INDEX ix_referrals_inviter ON referrals(inviter_id, created_at);
+
+-- 通用一次性任务领取
+CREATE TABLE reward_claims (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  user_id INTEGER NOT NULL,
+  task_key TEXT NOT NULL,
+  external_ref TEXT NOT NULL DEFAULT '',
+  granted_days INTEGER NOT NULL,
+  granted_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (user_id) REFERENCES users(id)
+);
+CREATE UNIQUE INDEX ux_claim_user_task ON reward_claims(user_id, task_key);
+CREATE UNIQUE INDEX ux_claim_task_ref ON reward_claims(task_key, external_ref);
+
+-- subscriptions.source 扩容(SQLite 需重建表)
+CREATE TABLE subscriptions_new (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  user_id INTEGER NOT NULL,
+  plan_id INTEGER NOT NULL,
+  expires_at DATETIME NOT NULL,
+  source TEXT NOT NULL CHECK (source IN ('trial','code','pay','invite','task')),
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (user_id) REFERENCES users(id),
+  FOREIGN KEY (plan_id) REFERENCES plans(id)
+);
+INSERT INTO subscriptions_new (id,user_id,plan_id,expires_at,source,created_at)
+  SELECT id,user_id,plan_id,expires_at,source,created_at FROM subscriptions;
+DROP TABLE subscriptions;
+ALTER TABLE subscriptions_new RENAME TO subscriptions;