Merge branch 'ditto-retroactive-policies' into 'main'

add cleanup script (apply policy to events created before it applied)

Closes #232

See merge request soapbox-pub/ditto!590

scripts/db-policy.ts

@@ -0,0 +1,19 @@
+import { policyWorker } from '@/workers/policy.ts';
+import { Storages } from '@/storages.ts';
+
+const db = await Storages.db();
+let count = 0;
+
+for await (const msg of db.req([{}])) {
+  const [type, , event] = msg;
+  if (type === 'EOSE') console.log('EOSE');
+  if (type !== 'EVENT') continue;
+  const [, , ok] = await policyWorker.call(event, AbortSignal.timeout(5000));
+  if (!ok) {
+    await db.remove([{ ids: [event.id] }]);
+    count += 1;
+  }
+}
+
+console.log(`Cleaned up ${count} events from the db.`);
+Deno.exit(0);