rssguard/src/librssguard/services/standard/standardcategory.cpp
2021-06-18 13:42:31 +02:00

103 lines
3.2 KiB
C++

// For license of this file, see <project-root-folder>/LICENSE.md.
#include "services/standard/standardcategory.h"
#include "core/feedsmodel.h"
#include "database/databasequeries.h"
#include "definitions/definitions.h"
#include "exceptions/applicationexception.h"
#include "gui/feedmessageviewer.h"
#include "gui/feedsview.h"
#include "miscellaneous/iconfactory.h"
#include "miscellaneous/settings.h"
#include "miscellaneous/textfactory.h"
#include "services/abstract/gui/formcategorydetails.h"
#include "services/standard/standardfeed.h"
#include "services/standard/standardserviceroot.h"
#include <QPointer>
StandardCategory::StandardCategory(RootItem* parent_item) : Category(parent_item) {}
StandardServiceRoot* StandardCategory::serviceRoot() const {
return qobject_cast<StandardServiceRoot*>(getParentServiceRoot());
}
Qt::ItemFlags StandardCategory::additionalFlags() const {
return Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
}
bool StandardCategory::performDragDropChange(RootItem* target_item) {
QSqlDatabase database = qApp->database()->driver()->connection(metaObject()->className());
try {
DatabaseQueries::createOverwriteCategory(database, this, getParentServiceRoot()->accountId(), target_item->id());
serviceRoot()->requestItemReassignment(this, target_item);
return true;
}
catch (const ApplicationException& ex) {
qCriticalNN << LOGSEC_DB
<< "Cannot overwrite category:"
<< QUOTE_W_SPACE_DOT(ex.message());
qApp->showGuiMessage(Notification::Event::GeneralEvent,
tr("Error"),
tr("Cannot save data for category, detailed information was logged via debug log."),
QSystemTrayIcon::MessageIcon::Critical,
true);
return false;
}
}
bool StandardCategory::canBeEdited() const {
return true;
}
bool StandardCategory::canBeDeleted() const {
return true;
}
bool StandardCategory::editViaGui() {
QScopedPointer<FormCategoryDetails> form_pointer(new FormCategoryDetails(serviceRoot(),
nullptr,
qApp->mainFormWidget()));
form_pointer->addEditCategory(this);
return false;
}
bool StandardCategory::deleteViaGui() {
if (removeItself()) {
serviceRoot()->requestItemRemoval(this);
return true;
}
else {
return false;
}
}
bool StandardCategory::removeItself() {
bool children_removed = true;
// Remove all child items (feeds and categories)
// from the database.
auto chi = childItems();
for (RootItem* child : qAsConst(chi)) {
if (child->kind() == RootItem::Kind::Category) {
children_removed &= dynamic_cast<StandardCategory*>(child)->removeItself();
}
else if (child->kind() == RootItem::Kind::Feed) {
children_removed &= dynamic_cast<StandardFeed*>(child)->removeItself();
}
}
if (children_removed) {
// Children are removed, remove this standard category too.
QSqlDatabase database = qApp->database()->driver()->connection(metaObject()->className());
return DatabaseQueries::deleteCategory(database, id());
}
else {
return false;
}
}