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status-react/patches/js_realm.hpp

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////////////////////////////////////////////////////////////////////////////
//
// Copyright 2016 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
#pragma once
#include <cctype>
#include <list>
#include <map>
#include "js_class.hpp"
#include "js_types.hpp"
#include "js_util.hpp"
#include "js_realm_object.hpp"
#include "js_list.hpp"
#include "js_results.hpp"
#include "js_schema.hpp"
#include "js_observable.hpp"
#if REALM_ENABLE_SYNC
#include "js_sync.hpp"
#include "sync/sync_config.hpp"
#include "sync/sync_manager.hpp"
#endif
#include "shared_realm.hpp"
#include "binding_context.hpp"
#include "object_accessor.hpp"
#include "platform.hpp"
#include "results.hpp"
#include <realm/disable_sync_to_disk.hpp>
namespace realm {
namespace js {
static std::string normalize_realm_path(std::string path) {
#if defined(WIN32) && WIN32
if (path.size() > 1 && path[0] != '\\' && path[1] != ':') {
path = default_realm_file_directory() + "\\" + path;
}
std::replace(path.begin(), path.end(), '/', '\\');
#else
if (path.size() && path[0] != '/' && path[0] != '.') {
path = default_realm_file_directory() + "/" + path;
}
#endif
return path;
}
template<typename T>
class RealmClass;
template<typename T>
class RealmDelegate : public BindingContext {
public:
using GlobalContextType = typename T::GlobalContext;
using FunctionType = typename T::Function;
using ObjectType = typename T::Object;
using ValueType = typename T::Value;
using Value = js::Value<T>;
using ObjectDefaultsMap = typename Schema<T>::ObjectDefaultsMap;
using ConstructorMap = typename Schema<T>::ConstructorMap;
virtual void did_change(std::vector<ObserverState> const& observers, std::vector<void*> const& invalidated, bool version_changed) {
notify("change");
}
virtual void schema_did_change(realm::Schema const& schema) {
schema_notify("schema", schema);
}
RealmDelegate(std::weak_ptr<realm::Realm> realm, GlobalContextType ctx) : m_context(ctx), m_realm(realm) {}
~RealmDelegate() {
// All protected values need to be unprotected while the context is retained.
m_defaults.clear();
m_constructors.clear();
m_notifications.clear();
m_schema_notifications.clear();
}
void add_notification(FunctionType notification) {
for (auto &handler : m_notifications) {
if (handler == notification) {
return;
}
}
m_notifications.emplace_back(m_context, notification);
}
void remove_notification(FunctionType notification) {
for (auto iter = m_notifications.begin(); iter != m_notifications.end(); ++iter) {
if (*iter == notification) {
m_notifications.erase(iter);
return;
}
}
}
void remove_all_notifications() {
m_notifications.clear();
}
void add_schema_notification(FunctionType notification) {
SharedRealm realm = m_realm.lock();
realm->read_group(); // to get the schema change handler going
for (auto &handler : m_schema_notifications) {
if (handler == notification) {
return;
}
}
m_schema_notifications.emplace_back(m_context, notification);
}
void remove_schema_notification(FunctionType notification) {
for (auto iter = m_schema_notifications.begin(); iter != m_schema_notifications.end(); ++iter) {
if (*iter == notification) {
m_schema_notifications.erase(iter);
return;
}
}
}
void remove_all_schema_notifications() {
m_schema_notifications.clear();
}
ObjectDefaultsMap m_defaults;
ConstructorMap m_constructors;
private:
Protected<GlobalContextType> m_context;
std::list<Protected<FunctionType>> m_notifications;
std::list<Protected<FunctionType>> m_schema_notifications;
std::weak_ptr<realm::Realm> m_realm;
void notify(const char *notification_name) {
HANDLESCOPE
SharedRealm realm = m_realm.lock();
if (!realm) {
throw std::runtime_error("Realm no longer exists");
}
ObjectType realm_object = create_object<T, RealmClass<T>>(m_context, new SharedRealm(realm));
ValueType arguments[] = {realm_object, Value::from_string(m_context, notification_name)};
std::list<Protected<FunctionType>> notifications_copy(m_notifications);
for (auto &callback : notifications_copy) {
Function<T>::callback(m_context, callback, realm_object, 2, arguments);
}
}
void schema_notify(const char *notification_name, realm::Schema const& schema) {
HANDLESCOPE
SharedRealm realm = m_realm.lock();
if (!realm) {
throw std::runtime_error("Realm no longer exists");
}
ObjectType realm_object = create_object<T, RealmClass<T>>(m_context, new SharedRealm(realm));
ObjectType schema_object = Schema<T>::object_for_schema(m_context, schema);
ValueType arguments[] = {realm_object, Value::from_string(m_context, notification_name), schema_object};
std::list<Protected<FunctionType>> notifications_copy(m_schema_notifications);
for (auto &callback : notifications_copy) {
Function<T>::callback(m_context, callback, realm_object, 3, arguments);
}
}
friend class RealmClass<T>;
};
std::string default_path();
void set_default_path(std::string path);
void delete_all_realms();
void clear_test_state();
template<typename T>
class RealmClass : public ClassDefinition<T, SharedRealm, ObservableClass<T>> {
using GlobalContextType = typename T::GlobalContext;
using ContextType = typename T::Context;
using FunctionType = typename T::Function;
using ObjectType = typename T::Object;
using ValueType = typename T::Value;
using Arguments = js::Arguments<T>;
using String = js::String<T>;
using Object = js::Object<T>;
using Value = js::Value<T>;
using ReturnValue = js::ReturnValue<T>;
using NativeAccessor = realm::js::NativeAccessor<T>;
public:
using ObjectDefaultsMap = typename Schema<T>::ObjectDefaultsMap;
using ConstructorMap = typename Schema<T>::ConstructorMap;
using WaitHandler = void(std::error_code);
using ProgressHandler = void(uint64_t transferred_bytes, uint64_t transferrable_bytes);
static FunctionType create_constructor(ContextType);
// methods
static void objects(ContextType, ObjectType, Arguments, ReturnValue &);
static void object_for_primary_key(ContextType, ObjectType, Arguments, ReturnValue &);
static void create(ContextType, ObjectType, Arguments, ReturnValue &);
static void delete_one(ContextType, ObjectType, Arguments, ReturnValue &);
static void delete_all(ContextType, ObjectType, Arguments, ReturnValue &);
static void write(ContextType, ObjectType, Arguments, ReturnValue &);
static void begin_transaction(ContextType, ObjectType, Arguments, ReturnValue&);
static void commit_transaction(ContextType, ObjectType, Arguments, ReturnValue&);
static void cancel_transaction(ContextType, ObjectType, Arguments, ReturnValue&);
static void add_listener(ContextType, ObjectType, Arguments, ReturnValue &);
static void wait_for_download_completion(ContextType, ObjectType, Arguments, ReturnValue &);
static void remove_listener(ContextType, ObjectType, Arguments, ReturnValue &);
static void remove_all_listeners(ContextType, ObjectType, Arguments, ReturnValue &);
static void close(ContextType, ObjectType, Arguments, ReturnValue &);
static void compact(ContextType, ObjectType, Arguments, ReturnValue &);
static void writeCopyTo(ContextType, ObjectType, Arguments, ReturnValue &);
static void delete_model(ContextType, ObjectType, Arguments, ReturnValue &);
static void object_for_object_id(ContextType, ObjectType, Arguments, ReturnValue&);
static void privileges(ContextType, ObjectType, Arguments, ReturnValue&);
// properties
static void get_empty(ContextType, ObjectType, ReturnValue &);
static void get_path(ContextType, ObjectType, ReturnValue &);
static void get_schema_version(ContextType, ObjectType, ReturnValue &);
static void get_schema(ContextType, ObjectType, ReturnValue &);
static void get_in_memory(ContextType, ObjectType, ReturnValue &);
static void get_read_only(ContextType, ObjectType, ReturnValue &);
static void get_is_in_transaction(ContextType, ObjectType, ReturnValue &);
static void get_is_closed(ContextType, ObjectType, ReturnValue &);
#if REALM_ENABLE_SYNC
static void get_sync_session(ContextType, ObjectType, ReturnValue &);
#endif
// static methods
static void constructor(ContextType, ObjectType, size_t, const ValueType[]);
static SharedRealm create_shared_realm(ContextType, realm::Realm::Config, bool, ObjectDefaultsMap &&, ConstructorMap &&);
static void schema_version(ContextType, ObjectType, Arguments, ReturnValue &);
static void clear_test_state(ContextType, ObjectType, Arguments, ReturnValue &);
static void copy_bundled_realm_files(ContextType, ObjectType, Arguments, ReturnValue &);
static void delete_file(ContextType, ObjectType, Arguments, ReturnValue &);
// static properties
static void get_default_path(ContextType, ObjectType, ReturnValue &);
static void set_default_path(ContextType, ObjectType, ValueType value);
std::string const name = "Realm";
MethodMap<T> const static_methods = {
{"schemaVersion", wrap<schema_version>},
{"clearTestState", wrap<clear_test_state>},
{"copyBundledRealmFiles", wrap<copy_bundled_realm_files>},
{"deleteFile", wrap<delete_file>},
};
PropertyMap<T> const static_properties = {
{"defaultPath", {wrap<get_default_path>, wrap<set_default_path>}},
};
MethodMap<T> const methods = {
{"objects", wrap<objects>},
{"objectForPrimaryKey", wrap<object_for_primary_key>},
{"create", wrap<create>},
{"delete", wrap<delete_one>},
{"deleteAll", wrap<delete_all>},
{"write", wrap<write>},
{"beginTransaction", wrap<begin_transaction>},
{"commitTransaction", wrap<commit_transaction>},
{"cancelTransaction", wrap<cancel_transaction>},
{"addListener", wrap<add_listener>},
{"removeListener", wrap<remove_listener>},
{"removeAllListeners", wrap<remove_all_listeners>},
{"close", wrap<close>},
{"compact", wrap<compact>},
{"writeCopyTo", wrap<writeCopyTo>},
{"deleteModel", wrap<delete_model>},
{"privileges", wrap<privileges>},
{"_objectForObjectId", wrap<object_for_object_id>},
#if REALM_ENABLE_SYNC
{"_waitForDownload", wrap<wait_for_download_completion>},
#endif
};
PropertyMap<T> const properties = {
{"empty", {wrap<get_empty>, nullptr}},
{"path", {wrap<get_path>, nullptr}},
{"schemaVersion", {wrap<get_schema_version>, nullptr}},
{"schema", {wrap<get_schema>, nullptr}},
{"inMemory", {wrap<get_in_memory>, nullptr}},
{"readOnly", {wrap<get_read_only>, nullptr}},
{"isInTransaction", {wrap<get_is_in_transaction>, nullptr}},
{"isClosed", {wrap<get_is_closed>, nullptr}},
#if REALM_ENABLE_SYNC
{"syncSession", {wrap<get_sync_session>, nullptr}},
#endif
};
private:
static void handleRealmFileException(ContextType ctx, realm::Realm::Config config, const RealmFileException& ex) {
switch (ex.kind()) {
case RealmFileException::Kind::IncompatibleSyncedRealm: {
ObjectType configuration = Object::create_empty(ctx);
Object::set_property(ctx, configuration, "path", Value::from_string(ctx, ex.path()));
Object::set_property(ctx, configuration, "readOnly", Value::from_boolean(ctx, true));
if (!config.encryption_key.empty()) {
Object::set_property(ctx, configuration, "encryption_key", Value::from_binary(ctx, BinaryData(&config.encryption_key[0], 64)));
}
ObjectType object = Object::create_empty(ctx);
Object::set_property(ctx, object, "name", Value::from_string(ctx, "IncompatibleSyncedRealmError"));
Object::set_property(ctx, object, "configuration", configuration);
throw Exception<T>(ctx, object);
}
default:
throw;
}
}
static std::string validated_notification_name(ContextType ctx, const ValueType &value) {
std::string name = Value::validated_to_string(ctx, value, "notification name");
if (name == "change" || name == "schema") {
return name;
}
throw std::runtime_error("Only the 'change' and 'schema' notification names are supported.");
}
static const ObjectSchema& validated_object_schema_for_value(ContextType ctx, const SharedRealm &realm, const ValueType &value) {
std::string object_type;
if (Value::is_constructor(ctx, value)) {
FunctionType constructor = Value::to_constructor(ctx, value);
auto delegate = get_delegate<T>(realm.get());
for (auto &pair : delegate->m_constructors) {
if (FunctionType(pair.second) == constructor) {
object_type = pair.first;
break;
}
}
if (object_type.empty()) {
throw std::runtime_error("Constructor was not registered in the schema for this Realm");
}
}
else {
object_type = Value::validated_to_string(ctx, value, "objectType");
if (object_type.empty()) {
throw std::runtime_error("objectType cannot be empty");
}
}
auto &schema = realm->schema();
auto object_schema = schema.find(object_type);
if (object_schema == schema.end()) {
throw std::runtime_error("Object type '" + object_type + "' not found in schema.");
}
return *object_schema;
}
};
template<typename T>
inline typename T::Function RealmClass<T>::create_constructor(ContextType ctx) {
FunctionType realm_constructor = ObjectWrap<T, RealmClass<T>>::create_constructor(ctx);
FunctionType collection_constructor = ObjectWrap<T, CollectionClass<T>>::create_constructor(ctx);
FunctionType list_constructor = ObjectWrap<T, ListClass<T>>::create_constructor(ctx);
FunctionType results_constructor = ObjectWrap<T, ResultsClass<T>>::create_constructor(ctx);
FunctionType realm_object_constructor = ObjectWrap<T, RealmObjectClass<T>>::create_constructor(ctx);
PropertyAttributes attributes = ReadOnly | DontEnum | DontDelete;
Object::set_property(ctx, realm_constructor, "Collection", collection_constructor, attributes);
Object::set_property(ctx, realm_constructor, "List", list_constructor, attributes);
Object::set_property(ctx, realm_constructor, "Results", results_constructor, attributes);
Object::set_property(ctx, realm_constructor, "Object", realm_object_constructor, attributes);
#if REALM_ENABLE_SYNC
FunctionType sync_constructor = SyncClass<T>::create_constructor(ctx);
Object::set_property(ctx, realm_constructor, "Sync", sync_constructor, attributes);
#endif
if (getenv("REALM_DISABLE_SYNC_TO_DISK")) {
realm::disable_sync_to_disk();
}
Object::set_global(ctx, "Realm", realm_constructor);
return realm_constructor;
}
static inline void convert_outdated_datetime_columns(const SharedRealm &realm) {
realm::util::Optional<int> old_file_format_version = realm->file_format_upgraded_from_version();
if (old_file_format_version && old_file_format_version < 5) {
// any versions earlier than file format 5 are stored as milliseconds and need to be converted to the new format
for (auto& object_schema : realm->schema()) {
auto table = ObjectStore::table_for_object_type(realm->read_group(), object_schema.name);
for (auto& property : object_schema.persisted_properties) {
if (property.type == realm::PropertyType::Date) {
if (!realm->is_in_transaction()) {
realm->begin_transaction();
}
for (size_t row_index = 0; row_index < table->size(); row_index++) {
if (table->is_null(property.table_column, row_index)) {
continue;
}
auto milliseconds = table->get_timestamp(property.table_column, row_index).get_seconds();
table->set_timestamp(property.table_column, row_index, Timestamp(milliseconds / 1000, (milliseconds % 1000) * 1000000));
}
}
}
if (realm->is_in_transaction()) {
realm->commit_transaction();
}
}
}
}
template<typename T>
void RealmClass<T>::constructor(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[]) {
realm::Realm::Config config;
ObjectDefaultsMap defaults;
ConstructorMap constructors;
bool schema_updated = false;
if (argc == 0) {
config.path = default_path();
}
else if (argc == 1) {
ValueType value = arguments[0];
if (Value::is_string(ctx, value)) {
config.path = Value::validated_to_string(ctx, value, "path");
}
else if (Value::is_object(ctx, value)) {
ObjectType object = Value::validated_to_object(ctx, value);
static const String encryption_key_string = "encryptionKey";
ValueType encryption_key_value = Object::get_property(ctx, object, encryption_key_string);
if (!Value::is_undefined(ctx, encryption_key_value)) {
auto encryption_key = Value::validated_to_binary(ctx, encryption_key_value, "encryptionKey");
config.encryption_key.assign(encryption_key.data(), encryption_key.data() + encryption_key.size());
}
#if REALM_ENABLE_SYNC
SyncClass<T>::populate_sync_config(ctx, Value::validated_to_object(ctx, Object::get_global(ctx, "Realm")), object, config);
#endif
static const String path_string = "path";
ValueType path_value = Object::get_property(ctx, object, path_string);
if (!Value::is_undefined(ctx, path_value)) {
config.path = Value::validated_to_string(ctx, path_value, "path");
}
else if (config.path.empty()) {
config.path = js::default_path();
}
static const String in_memory_string = "inMemory";
ValueType in_memory_value = Object::get_property(ctx, object, in_memory_string);
if (!Value::is_undefined(ctx, in_memory_value) && Value::validated_to_boolean(ctx, in_memory_value, "inMemory")) {
config.in_memory = true;
}
static const String read_only_string = "readOnly";
ValueType read_only_value = Object::get_property(ctx, object, read_only_string);
if (!Value::is_undefined(ctx, read_only_value) && Value::validated_to_boolean(ctx, read_only_value, "readOnly")) {
config.schema_mode = SchemaMode::Immutable;
}
static const String delete_realm_if_migration_needed_string = "deleteRealmIfMigrationNeeded";
ValueType delete_realm_if_migration_needed_value = Object::get_property(ctx, object, delete_realm_if_migration_needed_string);
if (!Value::is_undefined(ctx, delete_realm_if_migration_needed_value) && Value::validated_to_boolean(ctx, delete_realm_if_migration_needed_value, "deleteRealmIfMigrationNeeded")) {
if (config.schema_mode == SchemaMode::Immutable) {
throw std::invalid_argument("Cannot set 'deleteRealmIfMigrationNeeded' when 'readOnly' is set.");
}
config.schema_mode = SchemaMode::ResetFile;
}
static const String schema_string = "schema";
ValueType schema_value = Object::get_property(ctx, object, schema_string);
if (!Value::is_undefined(ctx, schema_value)) {
ObjectType schema_object = Value::validated_to_array(ctx, schema_value, "schema");
config.schema.emplace(Schema<T>::parse_schema(ctx, schema_object, defaults, constructors));
schema_updated = true;
}
static const String schema_version_string = "schemaVersion";
ValueType version_value = Object::get_property(ctx, object, schema_version_string);
if (!Value::is_undefined(ctx, version_value)) {
config.schema_version = Value::validated_to_number(ctx, version_value, "schemaVersion");
}
else if (schema_updated) {
config.schema_version = 0;
}
static const String compact_on_launch_string = "shouldCompactOnLaunch";
ValueType compact_value = Object::get_property(ctx, object, compact_on_launch_string);
if (!Value::is_undefined(ctx, compact_value)) {
if (config.schema_mode == SchemaMode::Immutable) {
throw std::invalid_argument("Cannot set 'shouldCompactOnLaunch' when 'readOnly' is set.");
}
FunctionType should_compact_on_launch_function = Value::validated_to_function(ctx, compact_value, "shouldCompactOnLaunch");
config.should_compact_on_launch_function = [=](uint64_t total_bytes, uint64_t used_bytes) {
ValueType arguments[2] = {
Value::from_number(ctx, total_bytes),
Value::from_number(ctx, used_bytes)
};
ValueType should_compact = Function<T>::callback(ctx, should_compact_on_launch_function, this_object, 2, arguments);
return Value::to_boolean(ctx, should_compact);
};
}
static const String migration_string = "migration";
ValueType migration_value = Object::get_property(ctx, object, migration_string);
if (!Value::is_undefined(ctx, migration_value)) {
FunctionType migration_function = Value::validated_to_function(ctx, migration_value, "migration");
if (config.schema_mode == SchemaMode::ResetFile) {
throw std::invalid_argument("Cannot include 'migration' when 'deleteRealmIfMigrationNeeded' is set.");
}
config.migration_function = [=](SharedRealm old_realm, SharedRealm realm, realm::Schema&) {
auto old_realm_ptr = new SharedRealm(old_realm);
auto realm_ptr = new SharedRealm(realm);
ValueType arguments[2] = {
create_object<T, RealmClass<T>>(ctx, old_realm_ptr),
create_object<T, RealmClass<T>>(ctx, realm_ptr)
};
try {
Function<T>::call(ctx, migration_function, 2, arguments);
}
catch (...) {
old_realm->close();
old_realm_ptr->reset();
realm_ptr->reset();
throw;
}
old_realm->close();
old_realm_ptr->reset();
realm_ptr->reset();
};
}
static const String cache_string = "_cache";
ValueType cache_value = Object::get_property(ctx, object, cache_string);
if (!Value::is_undefined(ctx, cache_value)) {
config.cache = Value::validated_to_boolean(ctx, cache_value, "_cache");
}
static const String automatic_change_notifications_string = "_automaticChangeNotifications";
ValueType automatic_change_notifications_value = Object::get_property(ctx, object, automatic_change_notifications_string);
if (!Value::is_undefined(ctx, automatic_change_notifications_value)) {
config.automatic_change_notifications = Value::validated_to_boolean(ctx, automatic_change_notifications_value, "_automaticChangeNotifications");
}
static const String disable_format_upgrade_string = "disableFormatUpgrade";
ValueType disable_format_upgrade_value = Object::get_property(ctx, object, disable_format_upgrade_string);
if (!Value::is_undefined(ctx, disable_format_upgrade_value)) {
config.disable_format_upgrade = Value::validated_to_boolean(ctx, disable_format_upgrade_value, "disableFormatUpgrade");
}
}
}
else {
throw std::runtime_error("Invalid arguments when constructing 'Realm'");
}
config.path = normalize_realm_path(config.path);
ensure_directory_exists_for_file(config.path);
auto realm = create_shared_realm(ctx, config, schema_updated, std::move(defaults), std::move(constructors));
// Fix for datetime -> timestamp conversion
convert_outdated_datetime_columns(realm);
set_internal<T, RealmClass<T>>(this_object, new SharedRealm(realm));
}
template<typename T>
SharedRealm RealmClass<T>::create_shared_realm(ContextType ctx, realm::Realm::Config config, bool schema_updated,
ObjectDefaultsMap&& defaults, ConstructorMap&& constructors) {
config.execution_context = Context<T>::get_execution_context_id(ctx);
SharedRealm realm;
try {
realm = realm::Realm::get_shared_realm(config);
}
catch (const RealmFileException& ex) {
handleRealmFileException(ctx, config, ex);
}
#if REALM_ENABLE_SYNC
auto schema = realm->schema();
if (realm->is_partial() && schema.empty() && config.cache) {
throw std::invalid_argument("Query-based sync requires a schema.");
}
#endif
GlobalContextType global_context = Context<T>::get_global_context(ctx);
if (!realm->m_binding_context) {
realm->m_binding_context.reset(new RealmDelegate<T>(realm, global_context));
}
RealmDelegate<T> *js_binding_context = dynamic_cast<RealmDelegate<T> *>(realm->m_binding_context.get());
REALM_ASSERT(js_binding_context);
REALM_ASSERT(js_binding_context->m_context == global_context);
// If a new schema was provided, then use its defaults and constructors.
if (schema_updated) {
js_binding_context->m_defaults = std::move(defaults);
js_binding_context->m_constructors = std::move(constructors);
}
return realm;
}
template<typename T>
void RealmClass<T>::schema_version(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(2);
realm::Realm::Config config;
config.path = normalize_realm_path(Value::validated_to_string(ctx, args[0]));
if (args.count == 2) {
auto encryption_key = Value::validated_to_binary(ctx, args[1], "encryptionKey");
config.encryption_key.assign(encryption_key.data(), encryption_key.data() + encryption_key.size());
}
auto version = realm::Realm::get_schema_version(config);
if (version == ObjectStore::NotVersioned) {
return_value.set(-1);
}
else {
return_value.set((double)version);
}
}
template<typename T>
void RealmClass<T>::clear_test_state(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
js::clear_test_state();
}
template<typename T>
void RealmClass<T>::copy_bundled_realm_files(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
realm::copy_bundled_realm_files();
}
template<typename T>
void RealmClass<T>::delete_file(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
ValueType value = args[0];
if (!Value::is_object(ctx, value)) {
throw std::runtime_error("Invalid argument, expected a Realm configuration object");
}
ObjectType object = Value::validated_to_object(ctx, value);
realm::Realm::Config config;
static const String path_string = "path";
ValueType path_value = Object::get_property(ctx, object, path_string);
if (!Value::is_undefined(ctx, path_value)) {
config.path = Value::validated_to_string(ctx, path_value, "path");
}
else if (config.path.empty()) {
config.path = js::default_path();
}
config.path = normalize_realm_path(config.path);
std::string realm_file_path = config.path;
realm::remove_file(realm_file_path);
realm::remove_file(realm_file_path + ".lock");
realm::remove_file(realm_file_path + ".note");
realm::remove_directory(realm_file_path + ".management");
}
template<typename T>
void RealmClass<T>::delete_model(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
ValueType value = args[0];
SharedRealm& realm = *get_internal<T, RealmClass<T>>(this_object);
std::string model_name = Value::validated_to_string(ctx, value, "deleteModel");
ObjectStore::delete_data_for_object(realm->read_group(), model_name);
}
template<typename T>
void RealmClass<T>::get_default_path(ContextType ctx, ObjectType object, ReturnValue &return_value) {
return_value.set(realm::js::default_path());
}
template<typename T>
void RealmClass<T>::set_default_path(ContextType ctx, ObjectType object, ValueType value) {
js::set_default_path(Value::validated_to_string(ctx, value, "defaultPath"));
}
template<typename T>
void RealmClass<T>::get_empty(ContextType ctx, ObjectType object, ReturnValue &return_value) {
SharedRealm& realm = *get_internal<T, RealmClass<T>>(object);
bool is_empty = ObjectStore::is_empty(realm->read_group());
return_value.set(is_empty);
}
template<typename T>
void RealmClass<T>::get_path(ContextType ctx, ObjectType object, ReturnValue &return_value) {
std::string path = get_internal<T, RealmClass<T>>(object)->get()->config().path;
return_value.set(path);
}
template<typename T>
void RealmClass<T>::get_schema_version(ContextType ctx, ObjectType object, ReturnValue &return_value) {
double version = get_internal<T, RealmClass<T>>(object)->get()->schema_version();
return_value.set(version);
}
template<typename T>
void RealmClass<T>::get_schema(ContextType ctx, ObjectType object, ReturnValue &return_value) {
auto& schema = get_internal<T, RealmClass<T>>(object)->get()->schema();
return_value.set(Schema<T>::object_for_schema(ctx, schema));
}
template<typename T>
void RealmClass<T>::get_in_memory(ContextType ctx, ObjectType object, ReturnValue &return_value) {
return_value.set(get_internal<T, RealmClass<T>>(object)->get()->config().in_memory);
}
template<typename T>
void RealmClass<T>::get_read_only(ContextType ctx, ObjectType object, ReturnValue &return_value) {
return_value.set(get_internal<T, RealmClass<T>>(object)->get()->config().immutable());
}
template<typename T>
void RealmClass<T>::get_is_in_transaction(ContextType ctx, ObjectType object, ReturnValue &return_value) {
return_value.set(get_internal<T, RealmClass<T>>(object)->get()->is_in_transaction());
}
template<typename T>
void RealmClass<T>::get_is_closed(ContextType ctx, ObjectType object, ReturnValue &return_value) {
return_value.set(get_internal<T, RealmClass<T>>(object)->get()->is_closed());
}
#if REALM_ENABLE_SYNC
template<typename T>
void RealmClass<T>::get_sync_session(ContextType ctx, ObjectType object, ReturnValue &return_value) {
auto realm = *get_internal<T, RealmClass<T>>(object);
if (std::shared_ptr<SyncSession> session = SyncManager::shared().get_existing_active_session(realm->config().path)) {
return_value.set(create_object<T, SessionClass<T>>(ctx, new WeakSession(session)));
} else {
return_value.set_null();
}
}
#endif
#if REALM_ENABLE_SYNC
template<typename T>
void RealmClass<T>::wait_for_download_completion(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(2);
auto callback_function = Value::validated_to_function(ctx, args[0 + (args.count == 2)]);
ValueType session_callback = Value::from_null(ctx);
if (args.count == 2) {
session_callback = Value::validated_to_function(ctx, args[0]);
}
auto realm = *get_internal<T, RealmClass<T>>(this_object);
auto* sync_config = realm->config().sync_config.get();
if (!sync_config) {
throw std::logic_error("_waitForDownload can only be used on a synchronized Realm.");
}
Protected<FunctionType> protected_callback(ctx, callback_function);
Protected<ObjectType> protected_this(ctx, this_object);
Protected<typename T::GlobalContext> protected_ctx(Context<T>::get_global_context(ctx));
std::shared_ptr<SyncUser> user = sync_config->user;
if (user && user->state() != SyncUser::State::Error) {
if (auto session = user->session_for_on_disk_path(realm->config().path)) {
if (!Value::is_null(ctx, session_callback)) {
FunctionType session_callback_func = Value::to_function(ctx, session_callback);
auto syncSession = create_object<T, SessionClass<T>>(ctx, new WeakSession(session));
ValueType callback_arguments[1];
callback_arguments[0] = syncSession;
Function<T>::callback(protected_ctx, session_callback_func, typename T::Object(), 1, callback_arguments);
}
EventLoopDispatcher<WaitHandler> wait_handler([=](std::error_code error_code) {
HANDLESCOPE
if (!error_code) {
//success
Function<T>::callback(protected_ctx, protected_callback, typename T::Object(), 0, nullptr);
}
else {
//fail
ObjectType object = Object::create_empty(protected_ctx);
Object::set_property(protected_ctx, object, "message", Value::from_string(protected_ctx, error_code.message()));
Object::set_property(protected_ctx, object, "errorCode", Value::from_number(protected_ctx, error_code.value()));
ValueType callback_arguments[1];
callback_arguments[0] = object;
Function<T>::callback(protected_ctx, protected_callback, typename T::Object(), 1, callback_arguments);
}
// Ensure that the session remains alive until the callback has had an opportunity to reopen the Realm
// with the appropriate schema.
(void)session;
});
session->wait_for_download_completion(std::move(wait_handler));
return;
}
}
ObjectType object = Object::create_empty(protected_ctx);
Object::set_property(protected_ctx, object, "message",
Value::from_string(protected_ctx, "Cannot asynchronously open synced Realm because the associated session previously experienced a fatal error"));
Object::set_property(protected_ctx, object, "errorCode", Value::from_number(protected_ctx, 1));
ValueType callback_arguments[1];
callback_arguments[0] = object;
Function<T>::callback(protected_ctx, protected_callback, protected_this, 1, callback_arguments);
}
#endif
template<typename T>
void RealmClass<T>::objects(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
auto& object_schema = validated_object_schema_for_value(ctx, realm, args[0]);
return_value.set(ResultsClass<T>::create_instance(ctx, realm, object_schema.name));
}
template<typename T>
void RealmClass<T>::object_for_primary_key(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(2);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
std::string object_type;
auto &object_schema = validated_object_schema_for_value(ctx, realm, args[0]);
NativeAccessor accessor(ctx, realm, object_schema);
auto realm_object = realm::Object::get_for_primary_key(accessor, realm, object_schema, args[1]);
if (realm_object.is_valid()) {
return_value.set(RealmObjectClass<T>::create_instance(ctx, std::move(realm_object)));
}
else {
return_value.set_undefined();
}
}
template<typename T>
void RealmClass<T>::create(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(3);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->verify_open();
auto &object_schema = validated_object_schema_for_value(ctx, realm, args[0]);
ObjectType object = Value::validated_to_object(ctx, args[1], "properties");
if (Value::is_array(ctx, args[1])) {
object = Schema<T>::dict_for_property_array(ctx, object_schema, object);
}
bool update = false;
if (args.count == 3) {
update = Value::validated_to_boolean(ctx, args[2], "update");
}
NativeAccessor accessor(ctx, realm, object_schema);
auto realm_object = realm::Object::create<ValueType>(accessor, realm, object_schema, object, update);
return_value.set(RealmObjectClass<T>::create_instance(ctx, std::move(realm_object)));
}
template<typename T>
void RealmClass<T>::delete_one(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->verify_open();
if (!realm->is_in_transaction()) {
throw std::runtime_error("Can only delete objects within a transaction.");
}
ObjectType arg = Value::validated_to_object(ctx, args[0], "object");
if (Object::template is_instance<RealmObjectClass<T>>(ctx, arg)) {
auto object = get_internal<T, RealmObjectClass<T>>(arg);
if (!object->is_valid()) {
throw std::runtime_error("Object is invalid. Either it has been previously deleted or the Realm it belongs to has been closed.");
}
realm::TableRef table = ObjectStore::table_for_object_type(realm->read_group(), object->get_object_schema().name);
table->move_last_over(object->row().get_index());
}
else if (Value::is_array(ctx, arg)) {
uint32_t length = Object::validated_get_length(ctx, arg);
for (uint32_t i = length; i--;) {
ObjectType object = Object::validated_get_object(ctx, arg, i);
if (!Object::template is_instance<RealmObjectClass<T>>(ctx, object)) {
throw std::runtime_error("Argument to 'delete' must be a Realm object or a collection of Realm objects.");
}
auto realm_object = get_internal<T, RealmObjectClass<T>>(object);
realm::TableRef table = ObjectStore::table_for_object_type(realm->read_group(), realm_object->get_object_schema().name);
table->move_last_over(realm_object->row().get_index());
}
}
else if (Object::template is_instance<ResultsClass<T>>(ctx, arg)) {
auto results = get_internal<T, ResultsClass<T>>(arg);
results->clear();
}
else if (Object::template is_instance<ListClass<T>>(ctx, arg)) {
auto list = get_internal<T, ListClass<T>>(arg);
list->delete_all();
}
else {
throw std::runtime_error("Argument to 'delete' must be a Realm object or a collection of Realm objects.");
}
}
template<typename T>
void RealmClass<T>::delete_all(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->verify_open();
if (!realm->is_in_transaction()) {
throw std::runtime_error("Can only delete objects within a transaction.");
}
for (auto objectSchema : realm->schema()) {
auto table = ObjectStore::table_for_object_type(realm->read_group(), objectSchema.name);
if (realm->is_partial()) {
realm::Results(realm, *table).clear();
}
else {
table->clear();
}
}
}
template<typename T>
void RealmClass<T>::write(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
FunctionType callback = Value::validated_to_function(ctx, args[0]);
realm->begin_transaction();
try {
Function<T>::call(ctx, callback, this_object, 0, nullptr);
}
catch (...) {
realm->cancel_transaction();
throw;
}
realm->commit_transaction();
}
template<typename T>
void RealmClass<T>::begin_transaction(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->begin_transaction();
}
template<typename T>
void RealmClass<T>::commit_transaction(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->commit_transaction();
}
template<typename T>
void RealmClass<T>::cancel_transaction(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->cancel_transaction();
}
template<typename T>
void RealmClass<T>::add_listener(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(2);
auto name = validated_notification_name(ctx, args[0]);
auto callback = Value::validated_to_function(ctx, args[1]);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->verify_open();
if (name == "change") {
get_delegate<T>(realm.get())->add_notification(callback);
}
else {
get_delegate<T>(realm.get())->add_schema_notification(callback);
}
}
template<typename T>
void RealmClass<T>::remove_listener(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(2);
auto name = validated_notification_name(ctx, args[0]);
auto callback = Value::validated_to_function(ctx, args[1]);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->verify_open();
if (name == "change") {
get_delegate<T>(realm.get())->remove_notification(callback);
}
else {
get_delegate<T>(realm.get())->remove_schema_notification(callback);
}
}
template<typename T>
void RealmClass<T>::remove_all_listeners(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
std::string name = "change";
if (args.count) {
name = validated_notification_name(ctx, args[0]);
}
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->verify_open();
if (name == "change") {
get_delegate<T>(realm.get())->remove_all_notifications();
}
else {
get_delegate<T>(realm.get())->remove_all_schema_notifications();
}
}
template<typename T>
void RealmClass<T>::close(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
realm->close();
}
template<typename T>
void RealmClass<T>::compact(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(0);
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
if (realm->is_in_transaction()) {
throw std::runtime_error("Cannot compact a Realm within a transaction.");
}
return_value.set(realm->compact());
}
template<typename T>
void RealmClass<T>::writeCopyTo(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(2);
if (args.count == 0) {
throw std::runtime_error("At least path has to be provided for 'writeCopyTo'");
}
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
ValueType pathValue = args[0];
if (!Value::is_string(ctx, pathValue)) {
throw std::runtime_error("Argument to 'writeCopyTo' must be a String.");
}
std::string path = Value::validated_to_string(ctx, pathValue);
if (args.count == 1) {
BinaryData empty_encryption_key;
realm->write_copy(path, empty_encryption_key);
return;
}
// enryption key is specified
ValueType encryption_key_arg = args[1];
if (!Value::is_binary(ctx, encryption_key_arg)) {
throw std::runtime_error("Encryption key for 'writeCopyTo' must be a Binary.");
}
auto encryption_key = Value::validated_to_binary(ctx, encryption_key_arg);
realm->write_copy(path, encryption_key.get());
}
template<typename T>
void RealmClass<T>::object_for_object_id(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue& return_value) {
args.validate_count(2);
#if REALM_ENABLE_SYNC
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
if (!sync::has_object_ids(realm->read_group()))
throw std::logic_error("Realm._objectForObjectId() can only be used with synced Realms.");
auto& object_schema = validated_object_schema_for_value(ctx, realm, args[0]);
std::string object_id_string = Value::validated_to_string(ctx, args[1]);
auto object_id = sync::ObjectID::from_string(object_id_string);
const Group& group = realm->read_group();
size_t ndx = sync::row_for_object_id(group, *ObjectStore::table_for_object_type(group, object_schema.name), object_id);
if (ndx != realm::npos) {
return_value.set(RealmObjectClass<T>::create_instance(ctx, realm::Object(realm, object_schema.name, ndx)));
}
#else
throw std::logic_error("Realm._objectForObjectId() can only be used with synced Realms.");
#endif // REALM_ENABLE_SYNC
}
template<typename T>
void RealmClass<T>::privileges(ContextType ctx, ObjectType this_object, Arguments args, ReturnValue &return_value) {
args.validate_maximum(1);
using Privilege = realm::ComputedPrivileges;
auto has_privilege = [](Privilege actual, Privilege expected) {
return (static_cast<int>(actual) & static_cast<int>(expected)) == static_cast<int>(expected);
};
SharedRealm realm = *get_internal<T, RealmClass<T>>(this_object);
if (args.count == 0) {
auto p = realm->get_privileges();
ObjectType object = Object::create_empty(ctx);
Object::set_property(ctx, object, "read", Value::from_boolean(ctx, has_privilege(p, Privilege::Read)));
Object::set_property(ctx, object, "update", Value::from_boolean(ctx,has_privilege(p, Privilege::Update)));
Object::set_property(ctx, object, "modifySchema", Value::from_boolean(ctx, has_privilege(p, Privilege::ModifySchema)));
Object::set_property(ctx, object, "setPermissions", Value::from_boolean(ctx, has_privilege(p, Privilege::SetPermissions)));
return_value.set(object);
return;
}
if (Value::is_object(ctx, args[0])) {
auto arg = Value::to_object(ctx, args[0]);
if (Object::template is_instance<RealmObjectClass<T>>(ctx, arg)) {
auto obj = get_internal<T, RealmObjectClass<T>>(arg);
auto p = realm->get_privileges(obj->row());
ObjectType object = Object::create_empty(ctx);
Object::set_property(ctx, object, "read", Value::from_boolean(ctx, has_privilege(p, Privilege::Read)));
Object::set_property(ctx, object, "update", Value::from_boolean(ctx,has_privilege(p, Privilege::Update)));
Object::set_property(ctx, object, "delete", Value::from_boolean(ctx,has_privilege(p, Privilege::Delete)));
Object::set_property(ctx, object, "setPermissions", Value::from_boolean(ctx, has_privilege(p, Privilege::SetPermissions)));
return_value.set(object);
return;
}
}
auto& object_schema = validated_object_schema_for_value(ctx, realm, args[0]);
auto p = realm->get_privileges(object_schema.name);
ObjectType object = Object::create_empty(ctx);
Object::set_property(ctx, object, "read", Value::from_boolean(ctx, has_privilege(p, Privilege::Read)));
Object::set_property(ctx, object, "update", Value::from_boolean(ctx,has_privilege(p, Privilege::Update)));
Object::set_property(ctx, object, "create", Value::from_boolean(ctx, has_privilege(p, Privilege::Create)));
Object::set_property(ctx, object, "subscribe", Value::from_boolean(ctx, has_privilege(p, Privilege::Query)));
Object::set_property(ctx, object, "setPermissions", Value::from_boolean(ctx, has_privilege(p, Privilege::SetPermissions)));
return_value.set(object);
}
} // js
} // realm
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