bool Engine::ValidateEpisodeNumber(anime::Episode& episode,
const anime::Item& anime_item,
const MatchOptions& match_options,
bool redirect) const {
if (episode.elements().empty(anitomy::kElementEpisodeNumber)) {
if (anime_item.GetEpisodeCount() == 1)
return true; // Single-episode anime can do without an episode number
if (episode.file_extension().empty())
return true; // It's a batch release
}
auto range = episode.episode_number_range();
if (range.second > 0 && // We need this to be able to redirect episode 0
range.second <= anime_item.GetEpisodeCount()) {
return true; // Episode number is within range
}
if (match_options.allow_sequels) {
int destination_id = anime::ID_UNKNOWN;
std::pair<int, int> destination_range;
if (SearchEpisodeRedirection(anime_item.GetId(), range,
destination_id, destination_range)) {
if (redirect) {
LOG(LevelDebug, L"Redirection: " +
ToWstr(anime_item.GetId()) + L":" +
anime::GetEpisodeRange(episode) + L" -> " +
ToWstr(destination_id) + L":" +
anime::GetEpisodeRange(destination_range));
episode.anime_id = destination_id;
episode.set_episode_number_range(destination_range);
}
return true; // Redirection available
}
}
if (!anime::IsValidEpisodeCount(anime_item.GetEpisodeCount()))
return true; // Episode count is unknown, so anything goes
return false; // Episode number is out of range
}
int SortListByEpisodeCount(const anime::Item& item1, const anime::Item& item2) {
return CompareValues<int>(item1.GetEpisodeCount(), item2.GetEpisodeCount());
}