public async Task <bool> Handle(ArticleUpdate request, CancellationToken cancellationToken)
{
new ArticleUpdateValidator().ValidateAndThrow(request);
var article = await DB.ArticlesOfUser(request.UserId)
.Where(a => a.Id == request.Id)
.Select(a => new
{
Article = a,
a.ArticleCollection,
})
.SingleOrDefaultAsync(cancellationToken: cancellationToken);
if (article is null)
{
return(false);
}
var normalisedRequestText = request.Text?.Normalize();
article.Article.Name = request.Name?.Trim().Normalize() ?? article.Article.Name;
article.Article.Text = normalisedRequestText ?? article.Article.Text;
article.Article.ConlluDocument =
normalisedRequestText is null ?
article.Article.ConlluDocument :
await ConlluService.ToConlluDocument(article.ArticleCollection.LanguageCode, normalisedRequestText);
article.ArticleCollection.UpdatedAt = Clock.GetCurrentInstant();
return(true);
}
public async Task <ArticleViewModel> Handle(ArticleCreate request, CancellationToken cancellationToken)
{
new ArticleCreateValidator().ValidateAndThrow(request);
var articleCollectionQuery =
DB.ArticleCollectionsOfUser(request.UserId)
.Where(ac => ac.Id == request.ArticleCollectionId);
var articleCollection =
await articleCollectionQuery.SingleAsync(cancellationToken);
var lastArticleOrderInCollection =
await articleCollectionQuery
.SelectMany(ac => ac.Articles)
.OrderByDescending(a => a.Order)
.Select(a => a.Order)
.FirstOrDefaultAsync(cancellationToken);
var now = Clock.GetCurrentInstant();
articleCollection.UpdatedAt = now;
var normalisedText = request.Text.Normalize();
var article = new Article
{
Id = Guid.NewGuid(),
ArticleCollectionId = articleCollection.Id,
// It's fine to start from 1 as we don't really care the exact number.
Order = lastArticleOrderInCollection + 1,
Name = request.Name.Trim().Normalize(),
Text = normalisedText,
ConlluDocument = await ConlluService.ToConlluDocument(articleCollection.LanguageCode, normalisedText),
CreatedAt = now,
UpdatedAt = now,
};
await DB.Unsafe.AddAsync(article, cancellationToken);
var vm = Mapper.Map <ArticleViewModel>(article);
// FIXME: Find a better way to not do this hack.
vm.ReadingProgress = new();
return(vm);
}