File indexing completed on 2024-05-05 05:48:52

 /*
     SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
     SPDX-FileCopyrightText: 2016-2018 Andrius Štikonas <andrius@stikonas.eu>
     SPDX-FileCopyrightText: 2016 Teo Mrnjavac <teo@kde.org>
     SPDX-FileCopyrightText: 2018 Caio Jordão Carvalho <caiojcarvalho@gmail.com>
 
     SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 #include "ops/removevolumegroupoperation.h"
 #include "jobs/removevolumegroupjob.h"
 
 #include "core/lvmdevice.h"
 #include "core/partition.h"
 #include "core/partitiontable.h"
 #include "core/volumemanagerdevice.h"
 
 #include <QString>
 
 #include <KLocalizedString>
 
 /** Creates a new RemoveVolumeGroupOperation.
 */
 RemoveVolumeGroupOperation::RemoveVolumeGroupOperation(VolumeManagerDevice& d) :
     Operation(),
     m_RemoveVolumeGroupJob(new RemoveVolumeGroupJob(d)),
     m_Device(d),
     m_PartitionTable(nullptr)
 {
     addJob(removeVolumeGroupJob());
 }
 
 QString RemoveVolumeGroupOperation::description() const
 {
     return xi18nc("@info/plain", "Remove a LVM volume group.");
 }
 
 void RemoveVolumeGroupOperation::preview()
 {
     m_PartitionTable = device().partitionTable();
 
     if (device().type() == Device::Type::LVM_Device) {
         LvmDevice& lvm = static_cast<LvmDevice&>(device());
 
         LvmDevice::s_OrphanPVs << lvm.physicalVolumes();
     }
 
     device().setPartitionTable(new PartitionTable(PartitionTable::vmd, 0, device().totalLogical() - 1));
 }
 
 void RemoveVolumeGroupOperation::undo()
 {
     if (device().type() == Device::Type::LVM_Device) {
         LvmDevice& lvm = static_cast<LvmDevice&>(device());
 
         const QVector<const Partition*> constOrphanList = LvmDevice::s_OrphanPVs;
 
         for (const Partition* p : constOrphanList)
             if (lvm.physicalVolumes().contains(p))
                 LvmDevice::s_OrphanPVs.removeAll(p);
     }
 
     device().setPartitionTable(m_PartitionTable);
 }
 
 /** Check if Volume Group can be safely removed
  *
  *  @param dev VolumeManagerDevice with initialized partitions
  *  @return true if there are no LVM partitions.
  */
 bool RemoveVolumeGroupOperation::isRemovable(const VolumeManagerDevice* dev)
 {
     // TODO: allow removal when LVs are inactive.
     if (dev->type() == Device::Type::LVM_Device) {
         if (dev->partitionTable()->children().count() == 0) // This is necessary to prevent a crash during applying of operations
             return true;
         else if (dev->partitionTable()->children().count() > 1)
             return false;
         else
             if (dev->partitionTable()->children().first()->fileSystem().type() == FileSystem::Type::Unknown)
                 return true;
     }
 
     return false;
 }