WSJT-X/models/FoxLog.cpp

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#include "FoxLog.hpp"
#include <stdexcept>
#include <utility>
#include <QString>
#include <QDateTime>
#include <QSqlDatabase>
#include <QSqlTableModel>
#include <QSqlRecord>
#include <QSqlError>
#include <QSqlQuery>
#include <QDebug>
#include "qt_db_helpers.hpp"
#include "pimpl_impl.hpp"
class FoxLog::impl final
: public QSqlTableModel
{
public:
impl ();
QSqlQuery mutable dupe_query_;
};
FoxLog::impl::impl ()
{
if (!database ().tables ().contains ("fox_log"))
{
QSqlQuery query;
SQL_error_check (query, static_cast<bool (QSqlQuery::*) (QString const&)> (&QSqlQuery::exec),
"CREATE TABLE fox_log ("
" id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
" \"when\" DATETIME NOT NULL,"
" call VARCHAR(20) NOT NULL,"
" grid VARCHAR(4),"
" report_sent VARCHAR(3),"
" report_rcvd VARCHAR(3),"
" band VARCHAR(6) NOT NULL,"
" CONSTRAINT no_dupes UNIQUE (call, band)"
")");
}
SQL_error_check (dupe_query_, &QSqlQuery::prepare,
"SELECT COUNT(*) FROM fox_log WHERE call = :call AND band = :band");
setEditStrategy (QSqlTableModel::OnFieldChange);
setTable ("fox_log");
setHeaderData (fieldIndex ("when"), Qt::Horizontal, tr ("Date & Time(UTC)"));
setHeaderData (fieldIndex ("call"), Qt::Horizontal, tr ("Call"));
setHeaderData (fieldIndex ("grid"), Qt::Horizontal, tr ("Grid"));
setHeaderData (fieldIndex ("report_sent"), Qt::Horizontal, tr ("Sent"));
setHeaderData (fieldIndex ("report_rcvd"), Qt::Horizontal, tr ("Rcvd"));
setHeaderData (fieldIndex ("band"), Qt::Horizontal, tr ("Band"));
// This descending order by time is important, it makes the view
// place the latest row at the top, without this the model/view
// interactions are both sluggish and unhelpful.
setSort (fieldIndex ("when"), Qt::DescendingOrder);
SQL_error_check (*this, &QSqlTableModel::select);
}
FoxLog::FoxLog ()
{
}
FoxLog::~FoxLog ()
{
}
QSqlTableModel * FoxLog::model ()
{
return &*m_;
}
namespace
{
void set_value_maybe_null (QSqlRecord& record, QString const& name, QString const& value)
{
if (value.size ())
{
record.setValue (name, value);
}
else
{
record.setNull (name);
}
}
}
bool FoxLog::add_QSO (QDateTime const& when, QString const& call, QString const& grid
, QString const& report_sent, QString const& report_received
, QString const& band)
{
auto record = m_->record ();
if (!when.isNull ())
{
record.setValue ("when", when.toMSecsSinceEpoch () / 1000);
}
else
{
record.setNull ("when");
}
set_value_maybe_null (record, "call", call);
set_value_maybe_null (record, "grid", grid);
set_value_maybe_null (record, "report_sent", report_sent);
set_value_maybe_null (record, "report_rcvd", report_received);
set_value_maybe_null (record, "band", band);
if (m_->isDirty ())
{
m_->revert (); // discard any uncommitted changes
}
m_->setEditStrategy (QSqlTableModel::OnManualSubmit);
ConditionalTransaction transaction {*m_};
auto ok = m_->insertRecord (-1, record);
if (ok)
{
ok = transaction.submit (false);
}
m_->setEditStrategy (QSqlTableModel::OnFieldChange);
return ok;
}
bool FoxLog::dupe (QString const& call, QString const& band) const
{
m_->dupe_query_.bindValue (":call", call);
m_->dupe_query_.bindValue (":band", band);
SQL_error_check (m_->dupe_query_, static_cast<bool (QSqlQuery::*) ()> (&QSqlQuery::exec));
m_->dupe_query_.next ();
return m_->dupe_query_.value (0).toInt ();
}
void FoxLog::reset ()
{
if (m_->rowCount ())
{
m_->setEditStrategy (QSqlTableModel::OnManualSubmit);
ConditionalTransaction transaction {*m_};
SQL_error_check (*m_, &QSqlTableModel::removeRows, 0, m_->rowCount (), QModelIndex {});
transaction.submit ();
m_->select (); // to refresh views
m_->setEditStrategy (QSqlTableModel::OnFieldChange);
}
}