private async Task UpdateArticle(ArticleEditDto articleDto)
{
var article = FromDtoToModel(articleDto);
// Get the associations that already exist for this article.
// This would include both squads and the club association.
var clubArticles = await _articlesRepository.GetClubAssociationsForArticleId(articleDto.Id);
var squadArticles = await _articlesRepository.GetSquadAssociationsForArticleId(articleDto.Id);
var instructions = CreateArticleAssociationInstructions(articleDto, clubArticles, squadArticles);
var articlesTo = ExtractArticleCollectionsFor(instructions);
await _articlesRepository.UpdateWithAssociations(
article, articlesTo.CreateForClub, articlesTo.DeleteForClub,
articlesTo.CreateForSquad, articlesTo.DeleteForSquad);
}
