public async Task <IActionResult> Index(
[Bind(Prefix = "id")] int ncIndex = 0, [Bind(Prefix = "otherId")] int nsIndex = 0)
{
var user = await _userRepo.ReadAsync(User.Identity.Name);
if (ncIndex < 0)
{
ncIndex = 0;
}
if (ncIndex >= user.NewsCategories.Count)
{
ncIndex = user.NewsCategories.Count - 1;
}
var newsCategory = user.GetNewsCategoryByIndex(ncIndex);
if (nsIndex < 0)
{
nsIndex = 0;
}
if (nsIndex >= newsCategory.NewsSources.Count)
{
nsIndex = newsCategory.NewsSources.Count - 1;
}
var newsSource = newsCategory.GetNewsSourceByIndex(nsIndex);
string newsSourceName = "No news source!";
ICollection <NewsArticleVM> articles = new List <NewsArticleVM>();
if (newsSource != null)
{
newsSourceName = newsSource.Name;
articles = await _newsApi.ReadArticlesAsync(newsSourceName, user.Language);
}
int ncNextIndex = ncIndex + 1;
if (ncNextIndex >= user.NewsCategories.Count)
{
ncNextIndex = 0;
}
int nsNextIndex = nsIndex + 1;
if (nsNextIndex >= newsCategory.NewsSources.Count)
{
nsNextIndex = 0;
}
var vm = new HomeIndexVM
{
NCIndex = ncIndex,
NSIndex = nsIndex,
NCNextIndex = ncNextIndex,
NSNextIndex = nsNextIndex,
NewsCategoryName = newsCategory.Name,
NewsSourceName = newsSourceName,
Articles = articles
};
return(View(vm));
}