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// Copyright (c) 2011-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <qt/recentrequeststablemodel.h>
#include <qt/bitcoinunits.h>
#include <qt/guiutil.h>
#include <qt/optionsmodel.h>
#include <qt/walletmodel.h>
#include <clientversion.h>
#include <interfaces/wallet.h>
#include <key_io.h>
#include <streams.h>
#include <util/string.h>
#include <utility>
#include <QLatin1Char>
#include <QLatin1String>
RecentRequestsTableModel::RecentRequestsTableModel(WalletModel *parent) :
QAbstractTableModel(parent), walletModel(parent)
{
// Load entries from wallet
for (const std::string& request : parent->wallet().getAddressReceiveRequests()) {
addNewRequest(request);
}
/* These columns must match the indices in the ColumnIndex enumeration */
columns << tr("Date") << tr("Label") << tr("Message") << getAmountTitle();
connect(walletModel->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &RecentRequestsTableModel::updateDisplayUnit);
}
RecentRequestsTableModel::~RecentRequestsTableModel() = default;
int RecentRequestsTableModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid()) {
return 0;
}
return list.length();
}
int RecentRequestsTableModel::columnCount(const QModelIndex &parent) const
{
if (parent.isValid()) {
return 0;
}
return columns.length();
}
QVariant RecentRequestsTableModel::data(const QModelIndex &index, int role) const
{
if(!index.isValid() || index.row() >= list.length())
return QVariant();
if(role == Qt::DisplayRole || role == Qt::EditRole)
{
const RecentRequestEntry *rec = &list[index.row()];
switch(index.column())
{
case Date:
return GUIUtil::dateTimeStr(rec->date);
case Label:
if(rec->recipient.label.isEmpty() && role == Qt::DisplayRole)
{
return tr("(no label)");
}
else
{
return rec->recipient.label;
}
case Message:
if(rec->recipient.message.isEmpty() && role == Qt::DisplayRole)
{
return tr("(no message)");
}
else
{
return rec->recipient.message;
}
case Amount:
if (rec->recipient.amount == 0 && role == Qt::DisplayRole)
return tr("(no amount requested)");
else if (role == Qt::EditRole)
return BitcoinUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), rec->recipient.amount, false, BitcoinUnits::SeparatorStyle::NEVER);
else
return BitcoinUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), rec->recipient.amount);
}
}
else if (role == Qt::TextAlignmentRole)
{
if (index.column() == Amount)
return (int)(Qt::AlignRight|Qt::AlignVCenter);
}
return QVariant();
}
bool RecentRequestsTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
return true;
}
QVariant RecentRequestsTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if(orientation == Qt::Horizontal)
{
if(role == Qt::DisplayRole && section < columns.size())
{
return columns[section];
}
}
return QVariant();
}
/** Updates the column title to "Amount (DisplayUnit)" and emits headerDataChanged() signal for table headers to react. */
void RecentRequestsTableModel::updateAmountColumnTitle()
{
columns[Amount] = getAmountTitle();
Q_EMIT headerDataChanged(Qt::Horizontal,Amount,Amount);
}
/** Gets title for amount column including current display unit if optionsModel reference available. */
QString RecentRequestsTableModel::getAmountTitle()
{
if (!walletModel->getOptionsModel()) return {};
return tr("Requested") +
QLatin1String(" (") +
BitcoinUnits::shortName(this->walletModel->getOptionsModel()->getDisplayUnit()) +
QLatin1Char(')');
}
QModelIndex RecentRequestsTableModel::index(int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(parent);
return createIndex(row, column);
}
bool RecentRequestsTableModel::removeRows(int row, int count, const QModelIndex &parent)
{
Q_UNUSED(parent);
if(count > 0 && row >= 0 && (row+count) <= list.size())
{
for (int i = 0; i < count; ++i)
{
const RecentRequestEntry* rec = &list[row+i];
if (!walletModel->wallet().setAddressReceiveRequest(DecodeDestination(rec->recipient.address.toStdString()), ToString(rec->id), ""))
return false;
}
beginRemoveRows(parent, row, row + count - 1);
list.erase(list.begin() + row, list.begin() + row + count);
endRemoveRows();
return true;
} else {
return false;
}
}
Qt::ItemFlags RecentRequestsTableModel::flags(const QModelIndex &index) const
{
return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
}
// called when adding a request from the GUI
void RecentRequestsTableModel::addNewRequest(const SendCoinsRecipient &recipient)
{
RecentRequestEntry newEntry;
newEntry.id = ++nReceiveRequestsMaxId;
newEntry.date = QDateTime::currentDateTime();
newEntry.recipient = recipient;
CDataStream ss(SER_DISK, CLIENT_VERSION);
ss << newEntry;
if (!walletModel->wallet().setAddressReceiveRequest(DecodeDestination(recipient.address.toStdString()), ToString(newEntry.id), ss.str()))
return;
addNewRequest(newEntry);
}
// called from ctor when loading from wallet
void RecentRequestsTableModel::addNewRequest(const std::string &recipient)
{
std::vector<uint8_t> data(recipient.begin(), recipient.end());
CDataStream ss(data, SER_DISK, CLIENT_VERSION);
RecentRequestEntry entry;
ss >> entry;
if (entry.id == 0) // should not happen
return;
if (entry.id > nReceiveRequestsMaxId)
nReceiveRequestsMaxId = entry.id;
addNewRequest(entry);
}
// actually add to table in GUI
void RecentRequestsTableModel::addNewRequest(RecentRequestEntry &recipient)
{
beginInsertRows(QModelIndex(), 0, 0);
list.prepend(recipient);
endInsertRows();
}
void RecentRequestsTableModel::sort(int column, Qt::SortOrder order)
{
std::sort(list.begin(), list.end(), RecentRequestEntryLessThan(column, order));
Q_EMIT dataChanged(index(0, 0, QModelIndex()), index(list.size() - 1, NUMBER_OF_COLUMNS - 1, QModelIndex()));
}
void RecentRequestsTableModel::updateDisplayUnit()
{
updateAmountColumnTitle();
}
bool RecentRequestEntryLessThan::operator()(const RecentRequestEntry& left, const RecentRequestEntry& right) const
{
const RecentRequestEntry* pLeft = &left;
const RecentRequestEntry* pRight = &right;
if (order == Qt::DescendingOrder)
std::swap(pLeft, pRight);
switch(column)
{
case RecentRequestsTableModel::Date:
return pLeft->date.toSecsSinceEpoch() < pRight->date.toSecsSinceEpoch();
case RecentRequestsTableModel::Label:
return pLeft->recipient.label < pRight->recipient.label;
case RecentRequestsTableModel::Message:
return pLeft->recipient.message < pRight->recipient.message;
case RecentRequestsTableModel::Amount:
return pLeft->recipient.amount < pRight->recipient.amount;
default:
return pLeft->id < pRight->id;
}
}
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