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/*
* SPDX-FileCopyrightText: 2012 Jonathan Thomas <echidnaman@kubuntu.org>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "TransactionModel.h"
// Qt includes
#include <KLocalizedString>
#include <QDebug>
#include <QMetaProperty>
// Own includes
#include "libdiscover_debug.h"
#include "resources/AbstractResource.h"
Q_GLOBAL_STATIC(TransactionModel, globalTransactionModel)
TransactionModel *TransactionModel::global()
{
return globalTransactionModel;
}
TransactionModel::TransactionModel(QObject *parent)
: QAbstractListModel(parent)
{
connect(this, &QAbstractItemModel::rowsInserted, this, &TransactionModel::countChanged);
connect(this, &QAbstractItemModel::rowsRemoved, this, &TransactionModel::countChanged);
connect(this, &TransactionModel::countChanged, this, &TransactionModel::progressChanged);
}
QHash<int, QByteArray> TransactionModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[TransactionRoleRole] = "transactionRole";
roles[TransactionStatusRole] = "status";
roles[CancellableRole] = "cancellable";
roles[ProgressRole] = "progress";
roles[StatusTextRole] = "statusText";
roles[ResourceRole] = "resource";
roles[TransactionRole] = "transaction";
return roles;
}
int TransactionModel::rowCount(const QModelIndex &parent) const
{
// Root element parents all children
if (!parent.isValid()) {
return m_transactions.size();
}
// Child elements have no children themselves
return 0;
}
QVariant TransactionModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
Transaction *transaction = m_transactions[index.row()];
switch (role) {
case TransactionRoleRole:
return transaction->role();
case TransactionStatusRole:
return transaction->status();
case CancellableRole:
return transaction->isCancellable();
case ProgressRole:
return transaction->progress();
case StatusTextRole:
switch (transaction->status()) {
case Transaction::SetupStatus:
return i18nc("@info:status", "Starting");
case Transaction::QueuedStatus:
return i18nc("@info:status", "Waiting");
case Transaction::DownloadingStatus:
return i18nc("@info:status", "Downloading");
case Transaction::CommittingStatus:
switch (transaction->role()) {
case Transaction::InstallRole:
return i18nc("@info:status", "Installing");
case Transaction::RemoveRole:
return i18nc("@info:status", "Removing");
case Transaction::ChangeAddonsRole:
return i18nc("@info:status", "Changing Addons");
}
break;
case Transaction::DoneStatus:
return i18nc("@info:status", "Done");
case Transaction::DoneWithErrorStatus:
return i18nc("@info:status", "Failed");
case Transaction::CancelledStatus:
return i18nc("@info:status", "Cancelled");
}
break;
case TransactionRole:
return QVariant::fromValue<QObject *>(transaction);
case ResourceRole:
return QVariant::fromValue<QObject *>(transaction->resource());
}
return QVariant();
}
Transaction *TransactionModel::transactionFromResource(AbstractResource *resource) const
{
for (const auto transaction : std::as_const(m_transactions)) {
if (transaction->resource() == resource) {
return transaction;
}
}
return nullptr;
}
QModelIndex TransactionModel::indexOf(Transaction *transaction) const
{
int row = m_transactions.indexOf(transaction);
QModelIndex ret = index(row);
Q_ASSERT(!transaction || ret.isValid());
return ret;
}
QModelIndex TransactionModel::indexOf(AbstractResource *resource) const
{
Transaction *transaction = transactionFromResource(resource);
return indexOf(transaction);
}
void TransactionModel::addTransaction(Transaction *transaction)
{
if (!transaction) {
return;
}
if (m_transactions.contains(transaction)) {
return;
}
if (m_transactions.isEmpty()) {
Q_EMIT startingFirstTransaction();
}
int before = m_transactions.size();
beginInsertRows(QModelIndex(), before, before + 1);
m_transactions.append(transaction);
if (before == 0) { // Should emit before count changes
Q_EMIT mainTransactionTextChanged();
}
endInsertRows();
connect(transaction, &Transaction::statusChanged, this, [this, transaction]() {
transactionChanged(transaction, StatusTextRole);
});
connect(transaction, &Transaction::cancellableChanged, this, [this, transaction]() {
transactionChanged(transaction, CancellableRole);
});
connect(transaction, &Transaction::progressChanged, this, [this, transaction]() {
transactionChanged(transaction, ProgressRole);
Q_EMIT progressChanged();
});
Q_EMIT transactionAdded(transaction);
}
void TransactionModel::removeTransaction(Transaction *transaction)
{
Q_ASSERT(transaction);
transaction->deleteLater();
int index = m_transactions.indexOf(transaction);
if (index < 0) {
qCWarning(LIBDISCOVER_LOG) << "transaction not part of the model" << transaction;
return;
}
disconnect(transaction, nullptr, this, nullptr);
beginRemoveRows(QModelIndex(), index, index);
m_transactions.removeAt(index);
endRemoveRows();
Q_EMIT transactionRemoved(transaction);
if (m_transactions.isEmpty()) {
Q_EMIT lastTransactionFinished();
}
if (index == 0) {
Q_EMIT mainTransactionTextChanged();
}
}
void TransactionModel::transactionChanged(Transaction *transaction, int role)
{
QModelIndex index = indexOf(transaction);
Q_EMIT dataChanged(index, index, {role});
}
int TransactionModel::progress() const
{
int sum = 0;
int count = 0;
for (const auto transaction : std::as_const(m_transactions)) {
if (transaction->isActive() && transaction->isVisible()) {
sum += transaction->progress();
++count;
}
}
return count == 0 ? 0 : sum / count;
}
QString TransactionModel::mainTransactionText() const
{
return m_transactions.isEmpty() ? QString() : m_transactions.constFirst()->name();
}
#include "moc_TransactionModel.cpp"
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