public async Task <Character> CreateAsync(ICreateCharacterModel createModel)
{
List <Episode> episodes = await _episodeRepository.GetAllByOrDefaultAsync(x => createModel.Episodes.Contains(x.Name));
List <Character> friends = await _characterRepository.GetAllByOrDefaultAsync(x => createModel.Friends.Contains(x.Name));
return(new Character()
{
Name = createModel.Name,
Friends = friends.Select(x => new CharacterFriend()
{
FriendCharacterId = x.Id
}).ToList(),
Episodes = episodes.Select(x => new CharacterEpisode()
{
EpisodeId = x.Id
}).ToList()
});
}
private async Task SetCharacterEpisodesAsync(Character characterToUpdate, List <string> episodes)
{
List <Episode> episodesToAssign = await _episodeRepository.GetAllByOrDefaultAsync(x => episodes.Contains(x.Name));
HashSet <int> episodesToAssignIds = episodesToAssign.Select(x => x.Id).ToHashSet();
List <CharacterEpisode>?episodesToRemove
= characterToUpdate.Episodes.Where(x => !episodesToAssignIds.Contains(x.EpisodeId)).ToList();
List <CharacterEpisode>?episodesToAdd = episodesToAssignIds.Where(x => !characterToUpdate.Episodes.Any(y => y.EpisodeId == x))
.Select(episodeId => new CharacterEpisode()
{
CharacterId = characterToUpdate.Id,
EpisodeId = episodeId
}).ToList();
episodesToRemove.ForEach(x => characterToUpdate.Episodes.Remove(x));
episodesToAdd.ForEach(x => characterToUpdate.Episodes.Add(x));
}
