public async Task <IActionResult> GetByCategory([FromRoute] string category, int page = 1, int pageSize = 5)
{
Tuple <int, List <Article> > articles = await _articlesService.GetArticlesByCategory(category, pageSize, page);
return(StatusCodeAndDtoWrapper.BuildSuccess(ArticleListDtoResponse.Build(articles.Item2,
"/by_category/{category}", page, pageSize, articles.Item1)));
}