Add support for formatting existing partitions

closes #24

src/modules/partition/CMakeLists.txt

@@ -26,8 +26,9 @@ calamares_add_plugin( partition
         CreatePartitionJob.cpp
         CreatePartitionTableJob.cpp
         DeletePartitionJob.cpp
-        EditExistingPartitionDialog.cpp
         DeviceModel.cpp
+        EditExistingPartitionDialog.cpp
+        FormatPartitionJob.cpp
         PartitionCoreModule.cpp
         PartitionInfo.cpp
         PartitionJob.cpp

src/modules/partition/FormatPartitionJob.cpp

@@ -0,0 +1,99 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Aurélien Gâteau <agateau@kde.org>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <FormatPartitionJob.h>
+
+#include <utils/Logger.h>
+
+// CalaPM
+#include <backend/corebackend.h>
+#include <backend/corebackendmanager.h>
+#include <backend/corebackenddevice.h>
+#include <backend/corebackendpartition.h>
+#include <backend/corebackendpartitiontable.h>
+#include <core/device.h>
+#include <core/partition.h>
+#include <core/partitiontable.h>
+#include <fs/filesystem.h>
+#include <util/report.h>
+
+// Qt
+#include <QScopedPointer>
+
+FormatPartitionJob::FormatPartitionJob( Device* device, Partition* partition )
+    : PartitionJob( partition )
+    , m_device( device )
+{
+}
+
+QString
+FormatPartitionJob::prettyName() const
+{
+    return tr( "Format partition %1 (file system: %2, size: %3 MB) on %4." )
+        .arg( m_partition->partitionPath() )
+        .arg( m_partition->fileSystem().name() )
+        .arg( m_partition->capacity() / 1024 / 1024 )
+        .arg( m_device->name() );
+}
+
+Calamares::JobResult
+FormatPartitionJob::exec()
+{
+    Report report( 0 );
+    QString partitionPath = m_partition->partitionPath();
+    QString message = tr( "The installer failed to format partition %1 on disk '%2'." ).arg( partitionPath, m_device->name() );
+
+    CoreBackend* backend = CoreBackendManager::self()->backend();
+    QScopedPointer<CoreBackendDevice> backendDevice( backend->openDevice( m_device->deviceNode() ) );
+    if ( !backendDevice.data() )
+    {
+        return Calamares::JobResult::error(
+                   message,
+                   tr( "Could not open device '%1'." ).arg( m_device->deviceNode() )
+               );
+    }
+
+    QScopedPointer<CoreBackendPartitionTable> backendPartitionTable( backendDevice->openPartitionTable() );
+    if ( !backendPartitionTable.data() )
+    {
+        return Calamares::JobResult::error(
+                   message,
+                   tr( "Could not open partition table." )
+               );
+    }
+
+    FileSystem& fs = m_partition->fileSystem();
+    if ( !fs.create( report, partitionPath ) )
+    {
+        return Calamares::JobResult::error(
+                   tr( "The installer failed to create file system on partition %1." ).arg( partitionPath ),
+                   report.toText()
+               );
+    }
+
+    if ( !backendPartitionTable->setPartitionSystemType( report, *m_partition ) )
+    {
+        return Calamares::JobResult::error(
+                   tr( "The installer failed to update partition table on disk '%1'." ).arg( m_device->name() ),
+                   report.toText()
+               );
+    }
+
+    backendPartitionTable->commit();
+    return Calamares::JobResult::ok();
+}

src/modules/partition/FormatPartitionJob.h

@@ -0,0 +1,45 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Aurélien Gâteau <agateau@kde.org>
+ *
+ *   Calamares 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 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FORMATPARTITIONJOB_H
+#define FORMATPARTITIONJOB_H
+
+#include <PartitionJob.h>
+
+class Device;
+class Partition;
+class FileSystem;
+
+class FormatPartitionJob : public PartitionJob
+{
+    Q_OBJECT
+public:
+    FormatPartitionJob( Device* device, Partition* partition );
+    QString prettyName() const override;
+    Calamares::JobResult exec() override;
+
+    Device* device() const
+    {
+        return m_device;
+    }
+
+private:
+    Device* m_device;
+};
+
+#endif /* FORMATPARTITIONJOB_H */

src/modules/partition/PartitionCoreModule.cpp

@@ -21,6 +21,7 @@
 #include <CreatePartitionJob.h>
 #include <CreatePartitionTableJob.h>
 #include <DeletePartitionJob.h>
+#include <FormatPartitionJob.h>
 #include <DeviceModel.h>
 #include <PartitionInfo.h>
 #include <PartitionModel.h>
@@ -277,6 +278,13 @@ PartitionCoreModule::deletePartition( Device* device, Partition* partition )
 void
 PartitionCoreModule::formatPartition( Device* device, Partition* partition )
 {
+    auto deviceInfo = infoForDevice( device );
+    Q_ASSERT( deviceInfo );
+
+    FormatPartitionJob* job = new FormatPartitionJob( device, partition );
+    deviceInfo->jobs << Calamares::job_ptr( job );
+
+    refresh( device );
 }
 
 QList< Calamares::job_ptr >