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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sync/api/sync_data.h"
#include <stdint.h>
#include <algorithm>
#include <ostream>
#include "base/json/json_writer.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "sync/internal_api/public/attachments/attachment_service_proxy.h"
#include "sync/internal_api/public/base/model_type.h"
#include "sync/internal_api/public/base_node.h"
#include "sync/protocol/proto_value_conversions.h"
#include "sync/protocol/sync.pb.h"
namespace {
sync_pb::AttachmentIdProto IdToProto(
const syncer::AttachmentId& attachment_id) {
return attachment_id.GetProto();
}
syncer::AttachmentId ProtoToId(const sync_pb::AttachmentIdProto& proto) {
return syncer::AttachmentId::CreateFromProto(proto);
}
// Return true iff |attachment_ids| contains duplicates.
bool ContainsDuplicateAttachments(
const syncer::AttachmentIdList& attachment_ids) {
syncer::AttachmentIdSet id_set;
id_set.insert(attachment_ids.begin(), attachment_ids.end());
return id_set.size() != attachment_ids.size();
}
} // namespace
namespace syncer {
void SyncData::ImmutableSyncEntityTraits::InitializeWrapper(Wrapper* wrapper) {
*wrapper = new sync_pb::SyncEntity();
}
void SyncData::ImmutableSyncEntityTraits::DestroyWrapper(Wrapper* wrapper) {
delete *wrapper;
}
const sync_pb::SyncEntity& SyncData::ImmutableSyncEntityTraits::Unwrap(
const Wrapper& wrapper) {
return *wrapper;
}
sync_pb::SyncEntity* SyncData::ImmutableSyncEntityTraits::UnwrapMutable(
Wrapper* wrapper) {
return *wrapper;
}
void SyncData::ImmutableSyncEntityTraits::Swap(sync_pb::SyncEntity* t1,
sync_pb::SyncEntity* t2) {
t1->Swap(t2);
}
SyncData::SyncData() : id_(kInvalidId), is_valid_(false) {}
SyncData::SyncData(int64_t id,
sync_pb::SyncEntity* entity,
const base::Time& remote_modification_time,
const syncer::AttachmentServiceProxy& attachment_service)
: id_(id),
remote_modification_time_(remote_modification_time),
immutable_entity_(entity),
attachment_service_(attachment_service),
is_valid_(true) {}
SyncData::SyncData(const SyncData& other) = default;
SyncData::~SyncData() {}
// Static.
SyncData SyncData::CreateLocalDelete(const std::string& sync_tag,
ModelType datatype) {
sync_pb::EntitySpecifics specifics;
AddDefaultFieldValue(datatype, &specifics);
return CreateLocalData(sync_tag, std::string(), specifics);
}
// Static.
SyncData SyncData::CreateLocalData(const std::string& sync_tag,
const std::string& non_unique_title,
const sync_pb::EntitySpecifics& specifics) {
syncer::AttachmentIdList attachment_ids;
return CreateLocalDataWithAttachments(
sync_tag, non_unique_title, specifics, attachment_ids);
}
// Static.
SyncData SyncData::CreateLocalDataWithAttachments(
const std::string& sync_tag,
const std::string& non_unique_title,
const sync_pb::EntitySpecifics& specifics,
const AttachmentIdList& attachment_ids) {
DCHECK(!ContainsDuplicateAttachments(attachment_ids));
sync_pb::SyncEntity entity;
entity.set_client_defined_unique_tag(sync_tag);
entity.set_non_unique_name(non_unique_title);
entity.mutable_specifics()->CopyFrom(specifics);
std::transform(attachment_ids.begin(),
attachment_ids.end(),
RepeatedFieldBackInserter(entity.mutable_attachment_id()),
IdToProto);
return SyncData(kInvalidId,
&entity,
base::Time(),
AttachmentServiceProxy());
}
// Static.
SyncData SyncData::CreateRemoteData(
int64_t id,
const sync_pb::EntitySpecifics& specifics,
const base::Time& modification_time,
const AttachmentIdList& attachment_ids,
const AttachmentServiceProxy& attachment_service) {
DCHECK_NE(id, kInvalidId);
sync_pb::SyncEntity entity;
entity.mutable_specifics()->CopyFrom(specifics);
std::transform(attachment_ids.begin(),
attachment_ids.end(),
RepeatedFieldBackInserter(entity.mutable_attachment_id()),
IdToProto);
return SyncData(id, &entity, modification_time, attachment_service);
}
bool SyncData::IsValid() const { return is_valid_; }
const sync_pb::EntitySpecifics& SyncData::GetSpecifics() const {
return immutable_entity_.Get().specifics();
}
ModelType SyncData::GetDataType() const {
return GetModelTypeFromSpecifics(GetSpecifics());
}
const std::string& SyncData::GetTitle() const {
// TODO(zea): set this for data coming from the syncer too.
DCHECK(immutable_entity_.Get().has_non_unique_name());
return immutable_entity_.Get().non_unique_name();
}
bool SyncData::IsLocal() const { return id_ == kInvalidId; }
std::string SyncData::ToString() const {
if (!IsValid())
return "<Invalid SyncData>";
std::string type = ModelTypeToString(GetDataType());
std::string specifics;
base::JSONWriter::WriteWithOptions(*EntitySpecificsToValue(GetSpecifics()),
base::JSONWriter::OPTIONS_PRETTY_PRINT,
&specifics);
if (IsLocal()) {
SyncDataLocal sync_data_local(*this);
return "{ isLocal: true, type: " + type + ", tag: " +
sync_data_local.GetTag() + ", title: " + GetTitle() +
", specifics: " + specifics + "}";
}
SyncDataRemote sync_data_remote(*this);
std::string id = base::Int64ToString(sync_data_remote.GetId());
return "{ isLocal: false, type: " + type + ", specifics: " + specifics +
", id: " + id + "}";
}
void PrintTo(const SyncData& sync_data, std::ostream* os) {
*os << sync_data.ToString();
}
AttachmentIdList SyncData::GetAttachmentIds() const {
AttachmentIdList result;
const sync_pb::SyncEntity& entity = immutable_entity_.Get();
std::transform(entity.attachment_id().begin(),
entity.attachment_id().end(),
std::back_inserter(result),
ProtoToId);
return result;
}
SyncDataLocal::SyncDataLocal(const SyncData& sync_data) : SyncData(sync_data) {
DCHECK(sync_data.IsLocal());
}
SyncDataLocal::~SyncDataLocal() {}
const std::string& SyncDataLocal::GetTag() const {
return immutable_entity_.Get().client_defined_unique_tag();
}
SyncDataRemote::SyncDataRemote(const SyncData& sync_data)
: SyncData(sync_data) {
DCHECK(!sync_data.IsLocal());
}
SyncDataRemote::~SyncDataRemote() {}
const base::Time& SyncDataRemote::GetModifiedTime() const {
return remote_modification_time_;
}
int64_t SyncDataRemote::GetId() const {
return id_;
}
void SyncDataRemote::GetOrDownloadAttachments(
const AttachmentIdList& attachment_ids,
const AttachmentService::GetOrDownloadCallback& callback) {
attachment_service_.GetOrDownloadAttachments(attachment_ids, callback);
}
} // namespace syncer
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