增加浏览器离线通知功能

migrations/postgres/008_web_push_notifications.sql

@@ -0,0 +1,28 @@
+-- ============================================
+-- Web Push notifications for Postgres
+-- 版本: 008
+-- ============================================
+
+
+CREATE TABLE IF NOT EXISTS notification_push_subscriptions (
+  id TEXT PRIMARY KEY,
+  username TEXT NOT NULL,
+  token_id TEXT,
+  endpoint TEXT NOT NULL UNIQUE,
+  p256dh TEXT NOT NULL,
+  auth TEXT NOT NULL,
+  user_agent TEXT,
+  enabled INTEGER DEFAULT 1,
+  created_at BIGINT NOT NULL,
+  updated_at BIGINT NOT NULL,
+  last_success_at BIGINT,
+  last_failure_at BIGINT,
+  failure_count INTEGER DEFAULT 0,
+  FOREIGN KEY (username) REFERENCES users(username) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_push_subscriptions_username ON notification_push_subscriptions(username);
+CREATE INDEX IF NOT EXISTS idx_push_subscriptions_token ON notification_push_subscriptions(username, token_id);
+CREATE INDEX IF NOT EXISTS idx_push_subscriptions_enabled ON notification_push_subscriptions(username, enabled);
+
+ALTER TABLE notifications DROP CONSTRAINT IF EXISTS notifications_type_check;