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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
* Copyright (C) 2015 Christian Mollekopf <chrigi_1@fastmail.fm>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "resourcefactory.h"
#include "facade.h"
#include "entitybuffer.h"
#include "pipeline.h"
#include "dummycalendar_generated.h"
#include "mail_generated.h"
#include "queuedcommand_generated.h"
#include "createentity_generated.h"
#include "domainadaptor.h"
#include "commands.h"
#include "index.h"
#include "log.h"
#include "domain/event.h"
#include "domain/mail.h"
#include "dummystore.h"
#include "definitions.h"
#include "facadefactory.h"
#include <QDate>
//This is the resources entity type, and not the domain type
#define ENTITY_TYPE_EVENT "event"
#define ENTITY_TYPE_MAIL "mail"
#define ENTITY_TYPE_FOLDER "folder"
/**
* Index types:
* * uid - property
*
* * Property can be:
* * fixed value like uid
* * fixed value where we want to do smaller/greater-than comparisons. (like start date)
* * range indexes like what date range an event affects.
* * group indexes like tree hierarchies as nested sets
*/
template<typename DomainType>
class IndexUpdater : public Akonadi2::Preprocessor {
public:
IndexUpdater(const QByteArray &index, const QByteArray &type)
:mIndexIdentifier(index),
mBufferType(type)
{
}
void newEntity(const QByteArray &uid, qint64 revision, const Akonadi2::ApplicationDomain::BufferAdaptor &newEntity, Akonadi2::Storage::Transaction &transaction) Q_DECL_OVERRIDE
{
Akonadi2::ApplicationDomain::TypeImplementation<DomainType>::index(uid, newEntity, transaction);
add(newEntity.getProperty("remoteId"), uid, transaction);
}
void modifiedEntity(const QByteArray &uid, qint64 revision, const Akonadi2::ApplicationDomain::BufferAdaptor &oldEntity, const Akonadi2::ApplicationDomain::BufferAdaptor &newEntity, Akonadi2::Storage::Transaction &transaction) Q_DECL_OVERRIDE
{
Akonadi2::ApplicationDomain::TypeImplementation<DomainType>::removeIndex(uid, oldEntity, transaction);
Akonadi2::ApplicationDomain::TypeImplementation<DomainType>::index(uid, newEntity, transaction);
remove(oldEntity.getProperty("remoteId"), uid, transaction);
add(newEntity.getProperty("remoteId"), uid, transaction);
}
void deletedEntity(const QByteArray &uid, qint64 revision, const Akonadi2::ApplicationDomain::BufferAdaptor &oldEntity, Akonadi2::Storage::Transaction &transaction) Q_DECL_OVERRIDE
{
Akonadi2::ApplicationDomain::TypeImplementation<DomainType>::removeIndex(uid, oldEntity, transaction);
remove(oldEntity.getProperty("remoteId"), uid, transaction);
}
private:
void add(const QVariant &value, const QByteArray &uid, Akonadi2::Storage::Transaction &transaction)
{
if (value.isValid()) {
Index(mIndexIdentifier, transaction).add(value.toByteArray(), uid);
}
}
void remove(const QVariant &value, const QByteArray &uid, Akonadi2::Storage::Transaction &transaction)
{
Index(mIndexIdentifier, transaction).remove(value.toByteArray(), uid);
}
QByteArray mIndexIdentifier;
QByteArray mBufferType;
};
DummyResource::DummyResource(const QByteArray &instanceIdentifier, const QSharedPointer<Akonadi2::Pipeline> &pipeline)
: Akonadi2::GenericResource(instanceIdentifier, pipeline)
{
{
auto eventFactory = QSharedPointer<DummyEventAdaptorFactory>::create();
auto eventIndexer = new IndexUpdater<Akonadi2::ApplicationDomain::Event>("event.index.rid", ENTITY_TYPE_EVENT);
mPipeline->setPreprocessors(ENTITY_TYPE_EVENT, QVector<Akonadi2::Preprocessor*>() << eventIndexer);
mPipeline->setAdaptorFactory(ENTITY_TYPE_EVENT, eventFactory);
}
{
auto mailFactory = QSharedPointer<DummyMailAdaptorFactory>::create();
auto mailIndexer = new IndexUpdater<Akonadi2::ApplicationDomain::Mail>("mail.index.rid", ENTITY_TYPE_MAIL);
mPipeline->setPreprocessors(ENTITY_TYPE_MAIL, QVector<Akonadi2::Preprocessor*>() << mailIndexer);
mPipeline->setAdaptorFactory(ENTITY_TYPE_MAIL, mailFactory);
}
{
auto folderFactory = QSharedPointer<DummyFolderAdaptorFactory>::create();
auto folderIndexer = new IndexUpdater<Akonadi2::ApplicationDomain::Folder>("folder.index.rid", ENTITY_TYPE_FOLDER);
mPipeline->setPreprocessors(ENTITY_TYPE_FOLDER, QVector<Akonadi2::Preprocessor*>() << folderIndexer);
mPipeline->setAdaptorFactory(ENTITY_TYPE_FOLDER, folderFactory);
}
}
void DummyResource::createEvent(const QByteArray &ridBuffer, const QMap<QString, QVariant> &data, flatbuffers::FlatBufferBuilder &entityFbb)
{
//Map the source format to the buffer format (which happens to be an exact copy here)
auto summary = m_fbb.CreateString(data.value("summary").toString().toStdString());
auto rid = m_fbb.CreateString(std::string(ridBuffer.constData(), ridBuffer.size()));
auto description = m_fbb.CreateString(std::string(ridBuffer.constData(), ridBuffer.size()));
static uint8_t rawData[100];
auto attachment = Akonadi2::EntityBuffer::appendAsVector(m_fbb, rawData, 100);
auto builder = DummyCalendar::DummyEventBuilder(m_fbb);
builder.add_summary(summary);
builder.add_remoteId(rid);
builder.add_description(description);
builder.add_attachment(attachment);
auto buffer = builder.Finish();
DummyCalendar::FinishDummyEventBuffer(m_fbb, buffer);
Akonadi2::EntityBuffer::assembleEntityBuffer(entityFbb, 0, 0, m_fbb.GetBufferPointer(), m_fbb.GetSize(), 0, 0);
}
void DummyResource::createMail(const QByteArray &ridBuffer, const QMap<QString, QVariant> &data, flatbuffers::FlatBufferBuilder &entityFbb)
{
//Map the source format to the buffer format (which happens to be an exact copy here)
auto subject = m_fbb.CreateString(data.value("subject").toString().toStdString());
auto sender = m_fbb.CreateString(data.value("sender").toString().toStdString());
auto senderName = m_fbb.CreateString(data.value("senderName").toString().toStdString());
auto date = m_fbb.CreateString(data.value("date").toDate().toString().toStdString());
auto folder = m_fbb.CreateString(std::string("inbox"));
auto builder = Akonadi2::ApplicationDomain::Buffer::MailBuilder(m_fbb);
builder.add_subject(subject);
builder.add_sender(sender);
builder.add_senderName(senderName);
builder.add_unread(data.value("unread").toBool());
builder.add_important(data.value("important").toBool());
builder.add_date(date);
builder.add_folder(folder);
auto buffer = builder.Finish();
Akonadi2::ApplicationDomain::Buffer::FinishMailBuffer(m_fbb, buffer);
Akonadi2::EntityBuffer::assembleEntityBuffer(entityFbb, 0, 0, 0, 0, m_fbb.GetBufferPointer(), m_fbb.GetSize());
}
void DummyResource::synchronize(const QString &bufferType, const QMap<QString, QMap<QString, QVariant> > &data, Akonadi2::Storage::Transaction &transaction, std::function<void(const QByteArray &ridBuffer, const QMap<QString, QVariant> &data, flatbuffers::FlatBufferBuilder &entityFbb)> createEntity)
{
Index uidIndex("index.uid", transaction);
for (auto it = data.constBegin(); it != data.constEnd(); it++) {
bool isNew = true;
uidIndex.lookup(it.key().toLatin1(), [&](const QByteArray &value) {
isNew = false;
},
[](const Index::Error &error) {
if (error.code != Index::IndexNotAvailable) {
Warning() << "Error in uid index: " << error.message;
}
});
if (isNew) {
m_fbb.Clear();
flatbuffers::FlatBufferBuilder entityFbb;
createEntity(it.key().toUtf8(), it.value(), entityFbb);
flatbuffers::FlatBufferBuilder fbb;
//This is the resource type and not the domain type
auto type = fbb.CreateString(bufferType.toStdString());
auto delta = Akonadi2::EntityBuffer::appendAsVector(fbb, entityFbb.GetBufferPointer(), entityFbb.GetSize());
auto location = Akonadi2::Commands::CreateCreateEntity(fbb, type, delta);
Akonadi2::Commands::FinishCreateEntityBuffer(fbb, location);
enqueueCommand(mSynchronizerQueue, Akonadi2::Commands::CreateEntityCommand, QByteArray::fromRawData(reinterpret_cast<char const *>(fbb.GetBufferPointer()), fbb.GetSize()));
} else { //modification
//TODO diff and create modification if necessary
}
}
//TODO find items to remove
}
KAsync::Job<void> DummyResource::synchronizeWithSource()
{
Log() << " Synchronizing";
return KAsync::start<void>([this](KAsync::Future<void> &f) {
auto transaction = Akonadi2::Storage(Akonadi2::storageLocation(), mResourceInstanceIdentifier, Akonadi2::Storage::ReadOnly).createTransaction(Akonadi2::Storage::ReadOnly);
synchronize(ENTITY_TYPE_EVENT, DummyStore::instance().events(), transaction, [this](const QByteArray &ridBuffer, const QMap<QString, QVariant> &data, flatbuffers::FlatBufferBuilder &entityFbb) {
createEvent(ridBuffer, data, entityFbb);
});
synchronize(ENTITY_TYPE_MAIL, DummyStore::instance().mails(), transaction, [this](const QByteArray &ridBuffer, const QMap<QString, QVariant> &data, flatbuffers::FlatBufferBuilder &entityFbb) {
createMail(ridBuffer, data, entityFbb);
});
f.setFinished();
});
}
void DummyResource::removeFromDisk(const QByteArray &instanceIdentifier)
{
GenericResource::removeFromDisk(instanceIdentifier);
Akonadi2::Storage(Akonadi2::storageLocation(), instanceIdentifier + ".event.index.uid", Akonadi2::Storage::ReadWrite).removeFromDisk();
}
DummyResourceFactory::DummyResourceFactory(QObject *parent)
: Akonadi2::ResourceFactory(parent)
{
}
Akonadi2::Resource *DummyResourceFactory::createResource(const QByteArray &instanceIdentifier)
{
return new DummyResource(instanceIdentifier);
}
void DummyResourceFactory::registerFacades(Akonadi2::FacadeFactory &factory)
{
factory.registerFacade<Akonadi2::ApplicationDomain::Event, DummyResourceFacade>(PLUGIN_NAME);
factory.registerFacade<Akonadi2::ApplicationDomain::Mail, DummyResourceMailFacade>(PLUGIN_NAME);
factory.registerFacade<Akonadi2::ApplicationDomain::Folder, DummyResourceFolderFacade>(PLUGIN_NAME);
}
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