public IActionResult GetSortedArticles([FromQuery] GetArticlesList query)
{
var all = ArticleService.GetAllArticles()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted)
.ToList();
var articles = GetFullArticles(query);
return(Ok(new ArticlesListResponse
{
Data = articles,
PageSize = query.PageSize,
CurrentPage = query.PageNumber,
SortBy = query.SortBy,
OrderBy = query.OrderBy,
TotalPages = (int)Math.Ceiling(all.Count / (double)query.PageSize),
TotalItems = all.Count
}));
}
private List <ArticleViewModel> GetFullArticles(GetArticlesList query)
{
var isLoggedIn = false;
User user = null;
if (User.Identity.Name != null)
{
user = UserService.Get(long.Parse(User.Identity.Name));
if (user != null)
{
isLoggedIn = true;
}
}
var result = new List <ArticleViewModel>();
var articles = new List <Article>();
if (query.OrderBy == OrderBy.ASC)
{
switch (query.SortBy)
{
case ArticlesSort.Comments:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderBy(x => ArticleCommentService.GetArticleCommentsCount(x))
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
case ArticlesSort.Likes:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderBy(x => ArticleLikeService.GetArticleLikesCount(x))
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
case ArticlesSort.Date:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderBy(x => x.Date)
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
default:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderBy(x => x.Date)
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
}
}
else
{
switch (query.SortBy)
{
case ArticlesSort.Comments:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderByDescending(x => ArticleCommentService.GetArticleCommentsCount(x))
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
case ArticlesSort.Likes:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderByDescending(x => ArticleLikeService.GetArticleLikesCount(x))
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
case ArticlesSort.Date:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderByDescending(x => x.Date)
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
default:
{
articles.AddRange(ArticleService.GetAll()
.Where(article => article.ModerationStatus == ArticleModerationStatus.Accepted).ToList()
.OrderByDescending(x => x.Date)
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToList());
break;
}
}
}
articles.ForEach(article =>
{
var likes = ArticleLikeService.GetAll()
.Where(x => x.Article == article)
.ToList();
var comments = ArticleCommentService.GetAll()
.Where(x => x.Article == article)
.ToList();
var isLiked = false;
if (isLoggedIn)
{
if (likes.FirstOrDefault(x => x.Author == user) != null)
{
isLiked = true;
}
}
var articleViewModel = new ArticleViewModel(article, likes, comments, isLiked);
articleViewModel.Author.Rating = ReviewService.GetSpecialistRating(article.Author);
result.Add(articleViewModel);
});
return(result);
}
