package org.ovirt.engine.ui.uicommonweb.models.storage;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.ovirt.engine.core.common.action.RemoveDiskSnapshotsParameters;
import org.ovirt.engine.core.common.action.VdcActionParametersBase;
import org.ovirt.engine.core.common.action.VdcActionType;
import org.ovirt.engine.core.common.businessentities.StorageDomain;
import org.ovirt.engine.core.common.businessentities.storage.DiskImage;
import org.ovirt.engine.core.common.businessentities.storage.ImageStatus;
import org.ovirt.engine.core.common.queries.IdQueryParameters;
import org.ovirt.engine.core.common.queries.VdcQueryType;
import org.ovirt.engine.core.compat.Guid;
import org.ovirt.engine.ui.frontend.Frontend;
import org.ovirt.engine.ui.uicommonweb.UICommand;
import org.ovirt.engine.ui.uicommonweb.help.HelpTag;
import org.ovirt.engine.ui.uicommonweb.models.ConfirmationModel;
import org.ovirt.engine.ui.uicommonweb.models.SearchableListModel;
import org.ovirt.engine.ui.uicompat.ConstantsManager;
public class StorageSnapshotListModel extends SearchableListModel<StorageDomain, DiskImage> {
private UICommand removeCommand;
public UICommand getRemoveCommand() {
return removeCommand;
}
private void setRemoveCommand(UICommand value) {
removeCommand = value;
}
public StorageSnapshotListModel() {
setTitle(ConstantsManager.getInstance().getConstants().snapshotsTitle());
setHelpTag(HelpTag.snapshots);
setHashName("snapshots"); //$NON-NLS-1$
setRemoveCommand(new UICommand("Remove", this)); //$NON-NLS-1$
updateActionAvailability();
}
@Override
protected void onEntityChanged() {
super.onEntityChanged();
getSearchCommand().execute();
}
@Override
protected void onSelectedItemChanged() {
super.onSelectedItemChanged();
updateActionAvailability();
}
@Override
protected void selectedItemsChanged() {
super.selectedItemsChanged();
updateActionAvailability();
}
@Override
public void search() {
if (getEntity() != null) {
super.search();
}
else {
setItems(null);
}
}
public void cancel() {
setWindow(null);
}
@Override
protected void syncSearch() {
if (getEntity() == null) {
return;
}
super.syncSearch();
IdQueryParameters parameters = new IdQueryParameters(getEntity().getId());
parameters.setRefresh(getIsQueryFirstTime());
Frontend.getInstance().runQuery(VdcQueryType.GetAllDiskSnapshotsByStorageDomainId, parameters,
new SetSortedItemsAsyncQuery(Comparator.comparingDouble(DiskImage::getActualSize).reversed()));
}
private void updateActionAvailability() {
List<DiskImage> disks = getSelectedItems() != null ? getSelectedItems() : new ArrayList<DiskImage>();
getRemoveCommand().setIsExecutionAllowed(disks.size() > 0 && isRemoveCommandAvailable(disks));
}
private boolean isRemoveCommandAvailable(List<DiskImage> disks) {
for (DiskImage disk : disks) {
boolean isImageLocked = disk.getImageStatus() == ImageStatus.LOCKED;
boolean isTemplateType = disk.getVmEntityType().isTemplateType();
if (isImageLocked || isTemplateType) {
return false;
}
}
return true;
}
private void remove() {
if (getWindow() != null) {
return;
}
ConfirmationModel model = new ConfirmationModel();
setWindow(model);
model.setTitle(ConstantsManager.getInstance().getConstants().removeDisksTitle());
model.setHelpTag(HelpTag.remove_disk_snapshot);
model.setHashName("remove_disk_snapshot"); //$NON-NLS-1$
model.getLatch().setIsAvailable(false);
ArrayList<String> items = new ArrayList<>();
for (Object item : getSelectedItems()) {
DiskImage disk = (DiskImage) item;
items.add(ConstantsManager.getInstance().getMessages().diskSnapshotLabel(
disk.getDiskAlias(), disk.getVmSnapshotDescription()));
}
model.setItems(items);
UICommand onRemoveCommand = UICommand.createDefaultOkUiCommand("OnRemove", this); //$NON-NLS-1$
model.getCommands().add(onRemoveCommand);
UICommand cancelCommand = UICommand.createCancelUiCommand("Cancel", this); //$NON-NLS-1$
model.getCommands().add(cancelCommand);
}
private void onRemove() {
ConfirmationModel model = (ConfirmationModel) getWindow();
ArrayList<VdcActionParametersBase> paramerterList = new ArrayList<>();
Map<Guid, List<Guid>> diskImageIdsMap = groupImageIdsByDiskId(getSelectedItems());
for (List<Guid> imageIds : diskImageIdsMap.values()) {
RemoveDiskSnapshotsParameters parameters = new RemoveDiskSnapshotsParameters(new ArrayList<>(imageIds));
paramerterList.add(parameters);
}
model.startProgress();
Frontend.getInstance().runMultipleAction(VdcActionType.RemoveDiskSnapshots, paramerterList,
result -> {
StorageSnapshotListModel localModel = (StorageSnapshotListModel) result.getState();
localModel.stopProgress();
cancel();
},
this);
}
private Map<Guid, List<Guid>> groupImageIdsByDiskId(List<DiskImage> diskImages) {
Map<Guid, List<Guid>> diskImagesMap = new HashMap<>();
for (DiskImage diskImage: diskImages) {
List<Guid> images = diskImagesMap.get(diskImage.getId());
if (images != null) {
images.add(diskImage.getImageId());
}
else {
diskImagesMap.put(diskImage.getId(), new ArrayList(Arrays.asList(diskImage.getImageId())));
}
}
return diskImagesMap;
}
@Override
public void executeCommand(UICommand command) {
super.executeCommand(command);
if (command == getRemoveCommand()) {
remove();
}
else if ("OnRemove".equals(command.getName())) { //$NON-NLS-1$
onRemove();
}
else if ("Cancel".equals(command.getName())) { //$NON-NLS-1$
cancel();
}
}
@Override
protected String getListName() {
return "StorageSnapshotListModel"; //$NON-NLS-1$
}
}