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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/plus_addresses/webdata/plus_address_sync_bridge.h"
#include <algorithm>
#include <memory>
#include <optional>
#include "base/check.h"
#include "base/notreached.h"
#include "components/affiliations/core/browser/affiliation_utils.h"
#include "components/plus_addresses/plus_address_types.h"
#include "components/plus_addresses/webdata/plus_address_sync_util.h"
#include "components/plus_addresses/webdata/plus_address_table.h"
#include "components/sync/base/data_type.h"
#include "components/sync/model/client_tag_based_data_type_processor.h"
#include "components/sync/model/entity_change.h"
#include "components/sync/model/in_memory_metadata_change_list.h"
#include "components/sync/model/mutable_data_batch.h"
#include "components/sync/model/sync_metadata_store_change_list.h"
#include "components/sync/protocol/entity_data.h"
#include "components/webdata/common/web_database.h"
#include "components/webdata/common/web_database_backend.h"
#include "sql/transaction.h"
namespace plus_addresses {
PlusAddressSyncBridge::PlusAddressSyncBridge(
std::unique_ptr<syncer::DataTypeLocalChangeProcessor> change_processor,
scoped_refptr<WebDatabaseBackend> db_backend,
DataChangedBySyncCallback notify_data_changed_by_sync)
: DataTypeSyncBridge(std::move(change_processor)),
db_backend_(std::move(db_backend)),
notify_data_changed_by_sync_(std::move(notify_data_changed_by_sync)) {
CHECK(db_backend_);
// Initializing the database from disk can fail.
if (!db_backend_->database()) {
DataTypeSyncBridge::change_processor()->ReportError(
{FROM_HERE, "Failed to initialize database."});
return;
}
CHECK(GetPlusAddressTable());
// Load metadata and start syncing.
auto metadata = std::make_unique<syncer::MetadataBatch>();
if (!GetPlusAddressTable()->GetAllSyncMetadata(syncer::PLUS_ADDRESS,
*metadata)) {
DataTypeSyncBridge::change_processor()->ReportError(
{FROM_HERE, "Failed to read PLUS_ADDRESS metadata."});
return;
}
DataTypeSyncBridge::change_processor()->ModelReadyToSync(std::move(metadata));
}
PlusAddressSyncBridge::~PlusAddressSyncBridge() = default;
std::unique_ptr<syncer::MetadataChangeList>
PlusAddressSyncBridge::CreateMetadataChangeList() {
return std::make_unique<syncer::InMemoryMetadataChangeList>();
}
std::optional<syncer::ModelError> PlusAddressSyncBridge::MergeFullSyncData(
std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
syncer::EntityChangeList entity_data) {
// Since PLUS_ADDRESS is read-only, merging local and sync data is the same as
// applying changes from sync locally.
return ApplyIncrementalSyncChanges(std::move(metadata_change_list),
std::move(entity_data));
}
std::optional<syncer::ModelError>
PlusAddressSyncBridge::ApplyIncrementalSyncChanges(
std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
syncer::EntityChangeList entity_changes) {
sql::Transaction transaction(db_backend_->database()->GetSQLConnection());
if (!transaction.Begin()) {
return syncer::ModelError(FROM_HERE, "Failed to begin transaction.");
}
std::vector<PlusAddressDataChange> profile_changes;
for (const std::unique_ptr<syncer::EntityChange>& change : entity_changes) {
switch (change->type()) {
case syncer::EntityChange::ACTION_ADD:
case syncer::EntityChange::ACTION_UPDATE: {
std::optional<PlusProfile> existing_profile =
GetPlusAddressTable()->GetPlusProfileForId(change->storage_key());
PlusProfile profile = PlusProfileFromEntityData(change->data());
if (!GetPlusAddressTable()->AddOrUpdatePlusProfile(profile)) {
return syncer::ModelError(
FROM_HERE, "Failed to add/update profile in database.");
}
// When a plus address entry is updated, `profile_changes` will contain
// both a REMOVE and ADD change for the old and new profiles
// respectively.
if (existing_profile) {
profile_changes.emplace_back(PlusAddressDataChange::Type::kRemove,
std::move(*existing_profile));
}
profile_changes.emplace_back(PlusAddressDataChange::Type::kAdd,
std::move(profile));
break;
}
case syncer::EntityChange::ACTION_DELETE: {
std::optional<PlusProfile> profile =
GetPlusAddressTable()->GetPlusProfileForId(change->storage_key());
if (!GetPlusAddressTable()->RemovePlusProfile(change->storage_key())) {
return syncer::ModelError(FROM_HERE,
"Failed to remove profile in database.");
}
if (profile) {
profile_changes.emplace_back(PlusAddressDataChange::Type::kRemove,
std::move(*profile));
}
break;
}
}
}
if (auto error = TransferMetadataChanges(std::move(metadata_change_list))) {
return error;
}
if (!transaction.Commit()) {
return syncer::ModelError(FROM_HERE, "Failed to commit transaction.");
}
notify_data_changed_by_sync_.Run(std::move(profile_changes));
return std::nullopt;
}
void PlusAddressSyncBridge::ApplyDisableSyncChanges(
std::unique_ptr<syncer::MetadataChangeList> delete_metadata_change_list) {
sql::Transaction transaction(db_backend_->database()->GetSQLConnection());
if (!transaction.Begin()) {
change_processor()->ReportError(
{FROM_HERE, "Failed to begin transaction."});
}
std::vector<PlusAddressDataChange> profile_changes;
for (PlusProfile& profile : GetPlusAddressTable()->GetPlusProfiles()) {
profile_changes.emplace_back(PlusAddressDataChange::Type::kRemove,
std::move(profile));
}
if (!GetPlusAddressTable()->ClearPlusProfiles()) {
change_processor()->ReportError(
{FROM_HERE, "Failed to remove profiles from database."});
return;
}
// `TransferMetadataChanges()` returns an optional<ModelError>.
if (TransferMetadataChanges(std::move(delete_metadata_change_list))) {
// The error was already reported to the change processor.
return;
}
if (!transaction.Commit()) {
change_processor()->ReportError(
{FROM_HERE, "Failed to commit transaction."});
return;
}
notify_data_changed_by_sync_.Run(std::move(profile_changes));
}
std::unique_ptr<syncer::DataBatch> PlusAddressSyncBridge::GetDataForCommit(
StorageKeyList storage_keys) {
// PLUS_ADDRESS is read-only, so `GetDataForCommit()` is not needed.
NOTREACHED();
}
std::unique_ptr<syncer::DataBatch>
PlusAddressSyncBridge::GetAllDataForDebugging() {
auto batch = std::make_unique<syncer::MutableDataBatch>();
for (const PlusProfile& profile : GetPlusAddressTable()->GetPlusProfiles()) {
auto entity = std::make_unique<syncer::EntityData>(
EntityDataFromPlusProfile(profile));
std::string storage_key = GetStorageKey(*entity);
batch->Put(storage_key, std::move(entity));
}
return batch;
}
bool PlusAddressSyncBridge::IsEntityDataValid(
const syncer::EntityData& entity_data) const {
CHECK(entity_data.specifics.has_plus_address());
const sync_pb::PlusAddressSpecifics& plus_address =
entity_data.specifics.plus_address();
if (!plus_address.has_profile_id()) {
return false;
}
return affiliations::FacetURI::FromPotentiallyInvalidSpec(
plus_address.facet())
.is_valid();
}
std::string PlusAddressSyncBridge::GetClientTag(
const syncer::EntityData& entity_data) const {
return GetStorageKey(entity_data);
}
std::string PlusAddressSyncBridge::GetStorageKey(
const syncer::EntityData& entity_data) const {
return entity_data.specifics.plus_address().profile_id();
}
PlusAddressTable* PlusAddressSyncBridge::GetPlusAddressTable() {
return PlusAddressTable::FromWebDatabase(db_backend_->database());
}
std::optional<syncer::ModelError>
PlusAddressSyncBridge::TransferMetadataChanges(
std::unique_ptr<syncer::MetadataChangeList> metadata_change_list) {
syncer::SyncMetadataStoreChangeList sync_metadata_store_change_list(
GetPlusAddressTable(), syncer::PLUS_ADDRESS,
base::BindRepeating(&syncer::DataTypeLocalChangeProcessor::ReportError,
change_processor()->GetWeakPtr()));
static_cast<syncer::InMemoryMetadataChangeList*>(metadata_change_list.get())
->TransferChangesTo(&sync_metadata_store_change_list);
return change_processor()->GetError();
}
} // namespace plus_addresses
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