fix: NewRemoteReview param struct, atomic review+orphan movie delete

crates/domain/tests/testing/in_memory_store_test.rs

@@ -517,3 +517,61 @@ async fn saving_a_watch_event_records_its_events() {
     assert_eq!(store.rows_in("watch_events"), 1);
     assert_eq!(store.recorded_events().len(), 1);
 }
+
+#[tokio::test]
+async fn deleting_the_last_review_removes_the_movie_and_records_both_events() {
+    let store = InMemoryStore::new();
+    let (movie, user_id) = seed_movie_with_dependents(&store, true).await;
+    let review = store
+        .get_all_reviews_for_user(&user_id)
+        .await
+        .unwrap()
+        .remove(0);
+
+    store
+        .delete_review_and_orphaned_movie(
+            review.id(),
+            movie.id(),
+            &[domain::events::DomainEvent::ReviewDeleted {
+                review_id: review.id().clone(),
+                user_id: user_id.clone(),
+            }],
+            &[movie_deleted(&movie)],
+        )
+        .await
+        .unwrap();
+
+    assert_eq!(store.review_count(), 0);
+    assert_eq!(store.movie_count(), 0);
+    assert_eq!(store.recorded_events().len(), 2);
+}
+
+#[tokio::test]
+async fn deleting_a_review_while_another_remains_keeps_the_movie_and_records_one_event() {
+    let store = InMemoryStore::new();
+    let (movie, user_id) = seed_movie_with_dependents(&store, true).await;
+    let review = store
+        .get_all_reviews_for_user(&user_id)
+        .await
+        .unwrap()
+        .remove(0);
+    let other = test_review(movie.id(), &UserId::generate(), 3);
+    store.save_review(&other, &[]).await.unwrap();
+
+    store
+        .delete_review_and_orphaned_movie(
+            review.id(),
+            movie.id(),
+            &[domain::events::DomainEvent::ReviewDeleted {
+                review_id: review.id().clone(),
+                user_id: user_id.clone(),
+            }],
+            &[movie_deleted(&movie)],
+        )
+        .await
+        .unwrap();
+
+    assert_eq!(store.review_count(), 1);
+    assert_eq!(store.movie_count(), 1);
+    assert_eq!(store.recorded_events().len(), 1);
+}