public IActionResult Index([Bind(include: "Name, NavigateBackMonth, NavigateBackYear")] CategoryViewModel cat)
{
// if the modelstate is okay and the category doesn't already exist
// add it to the database
if (ModelState.IsValid)
{
// take the user input, create a category with user's identity
var category = new Category
{
Name = cat.Name,
User = User.Identity.Name.ToString()
};
if (!_categories.Exists(category))
{
_categories.Add(category);
_categories.Commit();
return(RedirectToAction("Index", new
{
month = cat.NavigateBackMonth,
year = cat.NavigateBackYear
}));
}
return(RedirectToAction("Index", new
{
err = "Category already exists",
month = cat.NavigateBackMonth,
year = cat.NavigateBackYear
}));
}
// otherwise, redirect back to the form, and send the error message
return(RedirectToAction("Index", new
{
err = "Category names must be between 5 and 50 characters long, and can only contain letters, numbers and spaces",
month = cat.NavigateBackMonth,
year = cat.NavigateBackYear
}));
}
