protected void ButtonAddCategory_Click(object sender, EventArgs e)
{
if (!CanAddCategory())
{
ErrorSuccessNotifier.AddWarningMessage("Only admins can add categories");
return;
}
var context = new ApplicationDbContext();
string newCatName = this.TextBoxNewCategory.Text;
if (string.IsNullOrWhiteSpace(newCatName))
{
ErrorSuccessNotifier.AddErrorMessage("Please enter category name");
return;
}
else if (context.Categories.FirstOrDefault(c => c.Name == newCatName) != null)
{
ErrorSuccessNotifier.AddErrorMessage("Category with this name already exist");
return;
}
else
{
Models.Category cat = new Models.Category()
{
Name = newCatName
};
context.Categories.Add(cat);
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Category added");
}
}
protected void ButtonVoteDown_Click(object sender, EventArgs e)
{
if (this.Context.User.Identity.IsAuthenticated)
{
string currentUserId = this.GetCurrentUserId();
var currentArticle = this.GetCurrentArticle();
if (currentArticle != null)
{
bool hasVoted = this.HasVoted(currentArticle, currentUserId);
if (hasVoted)
{
ErrorSuccessNotifier.AddWarningMessage("You cannot vote twice on one article.");
}
else
{
var like = new NewsSite.Web.Models.Like
{
Value = -1,
UserId = currentUserId
};
currentArticle.Likes.Add(like);
this.db.SaveChanges();
this.CalculateLikeValue(currentArticle);
}
}
else
{
Response.Redirect("~/");
}
}
}
