feat: complete v0.3 reading and discovery experience

lib/db.ts

@@ -54,8 +54,26 @@ CREATE TABLE IF NOT EXISTS source_members (
   role TEXT NOT NULL DEFAULT 'member', created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY(source_id, user_id)
 );
+CREATE TABLE IF NOT EXISTS bookmarks (
+  user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+  post_id INTEGER NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+  kind TEXT NOT NULL DEFAULT 'saved', created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY(user_id, post_id)
+);
+CREATE TABLE IF NOT EXISTS reading_history (
+  user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+  post_id INTEGER NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+  last_read_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY(user_id, post_id)
+);
+CREATE TABLE IF NOT EXISTS notifications (
+  id INTEGER PRIMARY KEY, user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+  actor_id INTEGER REFERENCES users(id) ON DELETE SET NULL, post_id INTEGER REFERENCES posts(id) ON DELETE CASCADE,
+  type TEXT NOT NULL, message TEXT NOT NULL, read_at TEXT, created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
 CREATE INDEX IF NOT EXISTS posts_public_idx ON posts(visibility, hidden, created_at DESC);
 CREATE INDEX IF NOT EXISTS sync_jobs_idx ON sync_jobs(status, run_after);
+CREATE INDEX IF NOT EXISTS notifications_user_idx ON notifications(user_id, read_at, created_at DESC);
 CREATE UNIQUE INDEX IF NOT EXISTS source_remote_identity_unique ON sources(base_url, remote_user) WHERE remote_user IS NOT NULL;
 CREATE TABLE IF NOT EXISTS schema_migrations (
   version INTEGER PRIMARY KEY, applied_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
@@ -77,6 +95,7 @@ applyColumnMigration(4, "sources", "disabled_at", "ALTER TABLE sources ADD COLUM
 applyColumnMigration(5, "sync_jobs", "trigger", "ALTER TABLE sync_jobs ADD COLUMN trigger TEXT NOT NULL DEFAULT 'manual'");
 applyColumnMigration(6, "sync_jobs", "started_at", "ALTER TABLE sync_jobs ADD COLUMN started_at TEXT");
 applyColumnMigration(7, "sync_jobs", "finished_at", "ALTER TABLE sync_jobs ADD COLUMN finished_at TEXT");
+db.prepare("INSERT OR IGNORE INTO schema_migrations(version) VALUES(8)").run();
 
 const admin = process.env.ADMIN_USERNAME;
 const adminPassword = process.env.ADMIN_PASSWORD;

lib/notifications.ts

@@ -0,0 +1,6 @@
+import { db } from "@/lib/db";
+
+export function notify(userId: number, actorId: number, postId: number, type: "comment" | "reaction", message: string) {
+  if (userId === actorId) return;
+  db.prepare("INSERT INTO notifications(user_id,actor_id,post_id,type,message) VALUES(?,?,?,?,?)").run(userId, actorId, postId, type, message);
+}