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/*
* Copyright (C) 2014 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 "resourcefacade.h"
#include "resourceconfig.h"
#include "query.h"
#include "definitions.h"
#include "storage.h"
#include <QDir>
ResourceFacade::ResourceFacade(const QByteArray &) : Sink::StoreFacade<Sink::ApplicationDomain::SinkResource>()
{
}
ResourceFacade::~ResourceFacade()
{
}
KAsync::Job<void> ResourceFacade::create(const Sink::ApplicationDomain::SinkResource &resource)
{
return KAsync::start<void>([resource, this]() {
const QByteArray type = resource.getProperty("type").toByteArray();
const QByteArray providedIdentifier = resource.getProperty("identifier").toByteArray();
// It is currently a requirement that the resource starts with the type
const QByteArray identifier = providedIdentifier.isEmpty() ? ResourceConfig::newIdentifier(type) : providedIdentifier;
ResourceConfig::addResource(identifier, type);
auto changedProperties = resource.changedProperties();
changedProperties.removeOne("identifier");
changedProperties.removeOne("type");
if (!changedProperties.isEmpty()) {
// We have some configuration values
QMap<QByteArray, QVariant> configurationValues;
for (const auto &property : changedProperties) {
configurationValues.insert(property, resource.getProperty(property));
}
ResourceConfig::configureResource(identifier, configurationValues);
}
});
}
KAsync::Job<void> ResourceFacade::modify(const Sink::ApplicationDomain::SinkResource &resource)
{
return KAsync::start<void>([resource, this]() {
const QByteArray identifier = resource.identifier();
if (identifier.isEmpty()) {
Warning() << "We need an \"identifier\" property to identify the resource to configure.";
return;
}
auto changedProperties = resource.changedProperties();
changedProperties.removeOne("identifier");
changedProperties.removeOne("type");
if (!changedProperties.isEmpty()) {
// We have some configuration values
QMap<QByteArray, QVariant> configurationValues;
for (const auto &property : changedProperties) {
configurationValues.insert(property, resource.getProperty(property));
}
ResourceConfig::configureResource(identifier, configurationValues);
}
});
}
KAsync::Job<void> ResourceFacade::remove(const Sink::ApplicationDomain::SinkResource &resource)
{
return KAsync::start<void>([resource, this]() {
const QByteArray identifier = resource.identifier();
if (identifier.isEmpty()) {
Warning() << "We need an \"identifier\" property to identify the resource to configure";
return;
}
ResourceConfig::removeResource(identifier);
// TODO shutdown resource, or use the resource process with a --remove option to cleanup (so we can take advantage of the file locking)
QDir dir(Sink::storageLocation());
for (const auto &folder : dir.entryList(QStringList() << identifier + "*")) {
Sink::Storage(Sink::storageLocation(), folder, Sink::Storage::ReadWrite).removeFromDisk();
}
});
}
QPair<KAsync::Job<void>, typename Sink::ResultEmitter<Sink::ApplicationDomain::SinkResource::Ptr>::Ptr> ResourceFacade::load(const Sink::Query &query)
{
auto resultProvider = new Sink::ResultProvider<typename Sink::ApplicationDomain::SinkResource::Ptr>();
auto emitter = resultProvider->emitter();
resultProvider->setFetcher([](const QSharedPointer<Sink::ApplicationDomain::SinkResource> &) {});
resultProvider->onDone([resultProvider]() { delete resultProvider; });
auto job = KAsync::start<void>([query, resultProvider]() {
const auto configuredResources = ResourceConfig::getResources();
for (const auto &res : configuredResources.keys()) {
const auto type = configuredResources.value(res);
if (!query.propertyFilter.contains("type") || query.propertyFilter.value("type").toByteArray() == type) {
auto resource = Sink::ApplicationDomain::SinkResource::Ptr::create("", res, 0, QSharedPointer<Sink::ApplicationDomain::MemoryBufferAdaptor>::create());
resource->setProperty("type", type);
resultProvider->add(resource);
}
}
// TODO initialResultSetComplete should be implicit
resultProvider->initialResultSetComplete(Sink::ApplicationDomain::SinkResource::Ptr());
resultProvider->complete();
});
return qMakePair(job, emitter);
}
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