From ef492409892eedb85d7555002eebebe3f046b873 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Tue, 15 Dec 2015 13:41:29 +0100
Subject: Avoid duplication accross resource implementations

---
 common/genericresource.cpp |  6 ++++
 common/genericresource.h   |  3 ++
 common/indexupdater.h      | 87 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 96 insertions(+)
 create mode 100644 common/indexupdater.h

(limited to 'common')

diff --git a/common/genericresource.cpp b/common/genericresource.cpp
index 3655a63..4250a02 100644
--- a/common/genericresource.cpp
+++ b/common/genericresource.cpp
@@ -285,6 +285,12 @@ GenericResource::~GenericResource()
     delete mSourceChangeReplay;
 }
 
+void GenericResource::addType(const QByteArray &type, DomainTypeAdaptorFactoryInterface::Ptr factory, const QVector<Akonadi2::Preprocessor*> &preprocessors)
+{
+    mPipeline->setPreprocessors(type, preprocessors);
+    mPipeline->setAdaptorFactory(type, factory);
+}
+
 KAsync::Job<void> GenericResource::replay(const QByteArray &type, const QByteArray &key, const QByteArray &value)
 {
     return KAsync::null<void>();
diff --git a/common/genericresource.h b/common/genericresource.h
index f756273..82c8a49 100644
--- a/common/genericresource.h
+++ b/common/genericresource.h
@@ -23,6 +23,7 @@
 #include <resource.h>
 #include <messagequeue.h>
 #include <flatbuffers/flatbuffers.h>
+#include <domainadaptor.h>
 #include <QTimer>
 
 class Processor;
@@ -31,6 +32,7 @@ class ChangeReplay;
 namespace Akonadi2
 {
 class Pipeline;
+class Preprocessor;
 
 /**
  * Generic Resource implementation.
@@ -54,6 +56,7 @@ private Q_SLOTS:
     void updateLowerBoundRevision();
 
 protected:
+    void addType(const QByteArray &type, DomainTypeAdaptorFactoryInterface::Ptr factory, const QVector<Akonadi2::Preprocessor*> &preprocessors);
     virtual KAsync::Job<void> replay(const QByteArray &type, const QByteArray &key, const QByteArray &value);
     void onProcessorError(int errorCode, const QString &errorMessage);
     void enqueueCommand(MessageQueue &mq, int commandId, const QByteArray &data);
diff --git a/common/indexupdater.h b/common/indexupdater.h
new file mode 100644
index 0000000..48144e6
--- /dev/null
+++ b/common/indexupdater.h
@@ -0,0 +1,87 @@
+/*
+ *   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.
+ */
+#pragma once
+
+#include <pipeline.h>
+#include <index.h>
+
+class IndexUpdater : public Akonadi2::Preprocessor {
+public:
+    IndexUpdater(const QByteArray &index, const QByteArray &type, const QByteArray &property)
+        :mIndexIdentifier(index),
+        mBufferType(type),
+        mProperty(property)
+    {
+
+    }
+
+    void newEntity(const QByteArray &uid, qint64 revision, const Akonadi2::ApplicationDomain::BufferAdaptor &newEntity, Akonadi2::Storage::Transaction &transaction) Q_DECL_OVERRIDE
+    {
+        add(newEntity.getProperty(mProperty), 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
+    {
+        remove(oldEntity.getProperty(mProperty), uid, transaction);
+        add(newEntity.getProperty(mProperty), uid, transaction);
+    }
+
+    void deletedEntity(const QByteArray &uid, qint64 revision, const Akonadi2::ApplicationDomain::BufferAdaptor &oldEntity, Akonadi2::Storage::Transaction &transaction) Q_DECL_OVERRIDE
+    {
+        remove(oldEntity.getProperty(mProperty), 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)
+    {
+        //TODO hide notfound error
+        Index(mIndexIdentifier, transaction).remove(value.toByteArray(), uid);
+    }
+
+    QByteArray mIndexIdentifier;
+    QByteArray mBufferType;
+    QByteArray mProperty;
+};
+
+template<typename DomainType>
+class DefaultIndexUpdater : public Akonadi2::Preprocessor {
+public:
+    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);
+    }
+
+    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);
+    }
+
+    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);
+    }
+};
-- 
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