void
Database::writeNotification(bool single_line)
{
StoragePtr homepage = m_Storages[IDX_HOMEPAGE];
std::string filename = ConfigurationFindscholarships::instance()->pathDatabase() + currentDateTime();
if (single_line)
{
filename = filename + ".single";
}
else
{
filename = filename + ".multiple";
}
std::ofstream file_notification(filename.c_str());
if (file_notification.is_open())
{
Storage::const_iterator beg = homepage->begin();
Storage::const_iterator end = homepage->end();
end--;
for (Storage::const_iterator it = end; it != beg; it--)
{
DatePtr deadline = it->first;
const DataEntry& data = it->second;
if (data.isNew())
{
if (single_line)
{
file_notification << data.getTitle().getSingleLineNotification(deadline) << std::endl << std::endl;
}
else
{
file_notification << data.getTitle().getMultipleLineNotification(deadline) << std::endl << std::endl;
}
}
}
DatePtr deadline = beg->first;
const DataEntry& data = beg->second;
if (data.isNew())
{
if (single_line)
{
file_notification << data.getTitle().getSingleLineNotification(deadline) << std::endl << std::endl;
}
else
{
file_notification << data.getTitle().getMultipleLineNotification(deadline) << std::endl << std::endl;
}
}
}
else
{
DBGERR(__FUNCTION__ << ": Cannot open file \"" << filename << "\" for writing!")
}
}
inline void directory_changes::async_get_one(ptr_observer<observer<element_type>> receiver)
{
assert(!receiver_);
receiver_ = receiver.get();
assert(immovable);
immovable->read_dispatcher.post(
[this]
{
DWORD received = 0;
std::array<char, 0x10000> buffer;
DWORD const actions = FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_LAST_WRITE |
FILE_NOTIFY_CHANGE_DIR_NAME | FILE_NOTIFY_CHANGE_CREATION |
FILE_NOTIFY_CHANGE_ATTRIBUTES;
if (!ReadDirectoryChangesW(watch_file.get(), buffer.data(), static_cast<DWORD>(buffer.size()),
is_recursive, actions, &received, nullptr, nullptr))
{
// TODO: handle ERROR_NOTIFY_ENUM_DIR (overflow of event queue)
return;
}
std::vector<file_notification> notifications;
for (char *next_event = buffer.data();;)
{
FILE_NOTIFY_INFORMATION const ¬ification =
reinterpret_cast<FILE_NOTIFY_INFORMATION const &>(*next_event);
relative_path name(notification.FileName + 0,
notification.FileName + (notification.FileNameLength / sizeof(WCHAR)));
notifications.emplace_back(file_notification(notification.Action, std::move(name)));
if (0 == notification.NextEntryOffset)
{
break;
}
next_event += notification.NextEntryOffset;
}
Si::exchange(this->receiver_, nullptr)->got_element(std::move(notifications));
});
}
