LibWeb/IDB: Implement IDBObjectStore::add_or_put

Author: https://github.com/stelar7
Commit: a06cec7a3c
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4317
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/kennethmyhra ✅

Libraries/LibWeb/IndexedDB/IDBObjectStore.cpp

@@ -222,4 +222,99 @@ WebIDL::ExceptionOr<void> IDBObjectStore::delete_index(String const& name)
     return {};
 }
 
+// https://w3c.github.io/IndexedDB/#add-or-put
+WebIDL::ExceptionOr<GC::Ref<IDBRequest>> IDBObjectStore::add_or_put(GC::Ref<IDBObjectStore> handle, JS::Value value, Optional<JS::Value> const& key, bool no_overwrite)
+{
+    auto& realm = this->realm();
+
+    // 1. Let transaction be handle’s transaction.
+    auto transaction = handle->transaction();
+
+    // 2. Let store be handle’s object store.
+    auto& store = *handle->store();
+
+    // FIXME: 3. If store has been deleted, throw an "InvalidStateError" DOMException.
+
+    // 4. If transaction’s state is not active, then throw a "TransactionInactiveError" DOMException.
+    if (transaction->state() != IDBTransaction::TransactionState::Active)
+        return WebIDL::TransactionInactiveError::create(realm, "Transaction is not active while running add/put"_string);
+
+    // 5. If transaction is a read-only transaction, throw a "ReadOnlyError" DOMException.
+    if (transaction->is_readonly())
+        return WebIDL::ReadOnlyError::create(realm, "Transaction is read-only"_string);
+
+    auto key_was_given = key.has_value() && key != JS::js_undefined();
+
+    // 6. If store uses in-line keys and key was given, throw a "DataError" DOMException.
+    if (store.uses_inline_keys() && key_was_given)
+        return WebIDL::DataError::create(realm, "Store uses in-line keys and key was given"_string);
+
+    // 7. If store uses out-of-line keys and has no key generator and key was not given, throw a "DataError" DOMException.
+    if (store.uses_out_of_line_keys() && !store.key_generator().has_value() && !key_was_given)
+        return WebIDL::DataError::create(realm, "Store uses out-of-line keys and has no key generator and key was not given"_string);
+
+    GC::Ptr<Key> key_value;
+    // 8. If key was given, then:
+    if (key_was_given) {
+        // 1. Let r be the result of converting a value to a key with key. Rethrow any exceptions.
+        auto maybe_key = TRY(convert_a_value_to_a_key(realm, key.value()));
+        // 2. If r is invalid, throw a "DataError" DOMException.
+        if (maybe_key.is_error())
+            return WebIDL::DataError::create(realm, "Key is invalid"_string);
+
+        // 3. Let key be r.
+        key_value = maybe_key.release_value();
+    }
+
+    // 9. Let targetRealm be a user-agent defined Realm.
+    auto& target_realm = realm;
+
+    // 10. Let clone be a clone of value in targetRealm during transaction. Rethrow any exceptions.
+    auto clone = TRY(clone_in_realm(target_realm, value, transaction));
+
+    // 11. If store uses in-line keys, then:
+    if (store.uses_inline_keys()) {
+        // 1. Let kpk be the result of extracting a key from a value using a key path with clone and store’s key path. Rethrow any exceptions.
+        auto maybe_kpk = TRY(extract_a_key_from_a_value_using_a_key_path(realm, clone, store.key_path().value()));
+
+        // 2. If kpk is invalid, throw a "DataError" DOMException.
+        if (maybe_kpk.is_error())
+            return WebIDL::DataError::create(realm, "Key path is invalid"_string);
+
+        // 3. If kpk is not failure, let key be kpk.
+        if (!maybe_kpk.is_error()) {
+            key_value = maybe_kpk.release_value();
+        }
+
+        // 4. Otherwise (kpk is failure):
+        else {
+            // 1. If store does not have a key generator, throw a "DataError" DOMException.
+            if (!store.key_generator().has_value())
+                return WebIDL::DataError::create(realm, "Store does not have a key generator"_string);
+
+            // 2. Otherwise, if check that a key could be injected into a value with clone and store’s key path return false, throw a "DataError" DOMException.
+            if (!check_that_a_key_could_be_injected_into_a_value(realm, clone, store.key_path().value()))
+                return WebIDL::DataError::create(realm, "Key could not be injected into value"_string);
+        }
+    }
+
+    // 12. Let operation be an algorithm to run store a record into an object store with store, clone, key, and no-overwrite flag.
+    auto operation = GC::Function<WebIDL::ExceptionOr<JS::Value>()>::create(realm.heap(), [&realm, &store, clone, key_value, no_overwrite] -> WebIDL::ExceptionOr<JS::Value> {
+        auto maybe_key = store_a_record_into_an_object_store(realm, store, clone, key_value, no_overwrite);
+        if (maybe_key.is_error())
+            return maybe_key.release_error();
+
+        auto optional_key = maybe_key.release_value();
+        if (optional_key == nullptr)
+            return JS::js_undefined();
+
+        return convert_a_key_to_a_value(realm, GC::Ref(*optional_key));
+    });
+
+    // 13. Return the result (an IDBRequest) of running asynchronously execute a request with handle and operation.
+    auto result = asynchronously_execute_a_request(realm, handle, operation);
+    dbgln_if(IDB_DEBUG, "Executing request for add/put with uuid {}", result->uuid());
+    return result;
+}
+
 }