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#include "migration.hpp"
#include "options/options.hpp"
#include "compat/util.hpp"
#include <QString>
#include <QSettings>
#include <QDebug>
#include <memory>
namespace migrations {
namespace detail {
void migrator::register_migration(migration* m)
{
migrations().push_back(m);
}
migrator::vec& migrator::migrations()
{
static vec ret;
return ret;
}
QString migrator::last_migration_time()
{
QString ret;
std::shared_ptr<QSettings> s(options::group::ini_file());
s->beginGroup("migrations");
ret = s->value("last-migration-at", "19700101_00").toString();
s->endGroup();
return ret;
}
QString migrator::time_after_migrations()
{
const vec list = sorted_migrations();
if (list.size() == 0u)
return QStringLiteral("19700101_00");
QString ret = list[list.size() - 1]->unique_date();
ret += QStringLiteral("~");
return ret;
}
void migrator::set_last_migration_time(const QString& val)
{
std::shared_ptr<QSettings> s(options::group::ini_file());
s->beginGroup("migrations");
s->setValue("last-migration-at", val);
s->endGroup();
}
migrator::vec migrator::sorted_migrations()
{
vec list(migrations());
std::sort(list.begin(), list.end(), [](const mm x, const mm y) { return x->unique_date() < y->unique_date(); });
return list;
}
std::vector<QString> migrator::run()
{
vec migrations = sorted_migrations();
vstr done;
const QString last_migration = last_migration_time();
for (migration* m_ : migrations)
{
migration& m(*m_);
const QString date = m.unique_date();
if (date <= last_migration)
continue;
if (m.should_run())
{
m.run();
done.push_back(m.name());
}
}
mark_config_as_not_needing_migration();
if (done.size())
{
for (const QString& name : done)
{
const QByteArray data = name.toUtf8();
qDebug() << "migrate:" << data.constData();
}
}
return done;
}
}
migration::migration() {}
migration::~migration() {}
} // ns
std::vector<QString> run_migrations()
{
return migrations::detail::migrator::run();
}
void mark_config_as_not_needing_migration()
{
using m = migrations::detail::migrator;
m::mark_config_as_not_needing_migration();
}
void migrations::detail::migrator::mark_config_as_not_needing_migration()
{
set_last_migration_time(time_after_migrations());
}
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