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/*
* Copyright (C) 2021 KeePassXC Team <team@keepassxc.org>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "DatabaseSettingsWidgetMaintenance.h"
#include "ui_DatabaseSettingsWidgetMaintenance.h"
#include "core/Group.h"
#include "core/Metadata.h"
#include "gui/IconModels.h"
#include "gui/MessageBox.h"
DatabaseSettingsWidgetMaintenance::DatabaseSettingsWidgetMaintenance(QWidget* parent)
: DatabaseSettingsWidget(parent)
, m_ui(new Ui::DatabaseSettingsWidgetMaintenance())
, m_customIconModel(new CustomIconModel(this))
, m_deletionDecision(MessageBox::NoButton)
{
m_ui->setupUi(this);
m_ui->customIconsView->setModel(m_customIconModel);
connect(m_ui->deleteButton, SIGNAL(clicked()), SLOT(removeCustomIcon()));
connect(m_ui->purgeButton, SIGNAL(clicked()), SLOT(purgeUnusedCustomIcons()));
connect(m_ui->customIconsView->selectionModel(),
SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
this,
SLOT(selectionChanged()));
}
DatabaseSettingsWidgetMaintenance::~DatabaseSettingsWidgetMaintenance()
{
}
void DatabaseSettingsWidgetMaintenance::populateIcons(QSharedPointer<Database> db)
{
m_customIconModel->setIcons(db->metadata()->customIconsPixmaps(IconSize::Default),
db->metadata()->customIconsOrder());
m_ui->deleteButton->setEnabled(false);
}
void DatabaseSettingsWidgetMaintenance::initialize()
{
auto database = DatabaseSettingsWidget::getDatabase();
if (!database) {
return;
}
populateIcons(database);
}
void DatabaseSettingsWidgetMaintenance::selectionChanged()
{
QList<QModelIndex> indexes = m_ui->customIconsView->selectionModel()->selectedIndexes();
if (indexes.isEmpty()) {
m_ui->deleteButton->setEnabled(false);
} else {
m_ui->deleteButton->setEnabled(true);
}
}
void DatabaseSettingsWidgetMaintenance::removeCustomIcon()
{
auto database = DatabaseSettingsWidget::getDatabase();
if (!database) {
return;
}
m_deletionDecision = MessageBox::NoButton;
QList<QModelIndex> indexes = m_ui->customIconsView->selectionModel()->selectedIndexes();
for (auto index : indexes) {
removeSingleCustomIcon(database, index);
}
populateIcons(database);
}
void DatabaseSettingsWidgetMaintenance::removeSingleCustomIcon(QSharedPointer<Database> database, QModelIndex index)
{
QUuid iconUuid = m_customIconModel->uuidFromIndex(index);
const QList<Entry*> allEntries = database->rootGroup()->entriesRecursive(true);
QList<Entry*> entriesWithSelectedIcon;
QList<Entry*> historicEntriesWithSelectedIcon;
for (Entry* entry : allEntries) {
if (iconUuid == entry->iconUuid()) {
// Check if this is a history entry (no assigned group)
if (!entry->group()) {
historicEntriesWithSelectedIcon << entry;
} else {
entriesWithSelectedIcon << entry;
}
}
}
const QList<Group*> allGroups = database->rootGroup()->groupsRecursive(true);
QList<Group*> groupsWithSameIcon;
for (Group* group : allGroups) {
if (iconUuid == group->iconUuid()) {
groupsWithSameIcon << group;
}
}
int iconUseCount = entriesWithSelectedIcon.size() + groupsWithSameIcon.size();
if (iconUseCount > 0) {
if (m_deletionDecision == MessageBox::NoButton) {
m_deletionDecision = MessageBox::question(
this,
tr("Confirm Deletion"),
tr("At least one of the selected icons is currently in use by at least one entry or group. "
"The icons of all affected entries and groups will be replaced by the default icon. "
"Are you sure you want to delete icons that are currently in use?"),
MessageBox::Delete | MessageBox::Skip,
MessageBox::Skip);
}
if (m_deletionDecision == MessageBox::Skip) {
// Early out, nothing is changed
return;
} else {
// Revert matched entries to the default entry icon
for (Entry* entry : asConst(entriesWithSelectedIcon)) {
entry->setIcon(Entry::DefaultIconNumber);
}
// Revert matched groups to the default group icon
for (Group* group : asConst(groupsWithSameIcon)) {
group->setIcon(Group::DefaultIconNumber);
}
}
}
// Remove the icon from history entries
for (Entry* entry : asConst(historicEntriesWithSelectedIcon)) {
entry->setUpdateTimeinfo(false);
entry->setIcon(0);
entry->setUpdateTimeinfo(true);
}
// Remove the icon from the database
database->metadata()->removeCustomIcon(iconUuid);
}
void DatabaseSettingsWidgetMaintenance::purgeUnusedCustomIcons()
{
auto database = DatabaseSettingsWidget::getDatabase();
if (!database) {
return;
}
QList<Entry*> historyEntries;
QSet<QUuid> historicIcons;
QSet<QUuid> iconsInUse;
const QList<Entry*> allEntries = database->rootGroup()->entriesRecursive(true);
for (Entry* entry : allEntries) {
if (!entry->group()) {
// Icons exclusively in use by historic entries (no
// group assigned) are also purged from the database
historyEntries << entry;
historicIcons << entry->iconUuid();
} else {
iconsInUse << entry->iconUuid();
}
}
const QList<Group*> allGroups = database->rootGroup()->groupsRecursive(true);
for (Group* group : allGroups) {
iconsInUse.insert(group->iconUuid());
}
int purgeCounter = 0;
QList<QUuid> customIcons = database->metadata()->customIconsOrder();
for (QUuid iconUuid : customIcons) {
if (iconsInUse.contains(iconUuid)) {
continue;
}
if (historicIcons.contains(iconUuid)) {
// Remove the icon from history entries using this icon
for (Entry* historicEntry : asConst(historyEntries)) {
if (historicEntry->iconUuid() != iconUuid) {
continue;
}
historicEntry->setUpdateTimeinfo(false);
historicEntry->setIcon(0);
historicEntry->setUpdateTimeinfo(true);
}
}
++purgeCounter;
database->metadata()->removeCustomIcon(iconUuid);
}
if (0 == purgeCounter) {
MessageBox::information(this,
tr("Custom Icons Are In Use"),
tr("All custom icons are in use by at least one entry or group."),
MessageBox::Ok);
return;
}
populateIcons(database);
MessageBox::information(
this, tr("Purged Unused Icons"), tr("Purged %n icon(s) from the database.", "", purgeCounter), MessageBox::Ok);
}
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