public async Task <IActionResult> Create(CategoriesAndSubCategoriesViewModel model)
{
if (ModelState.IsValid)
{
var doesSubCategoryExists = _db.SubCategory.Include(s => s.Category).Where(s => s.Name == model.SubCategory.Name && s.Category.Id == model.SubCategory.CategoryId);
if (doesSubCategoryExists.Count() > 0)
{
//Error
StatusMessage = "Error: Sub Category exists under " + doesSubCategoryExists.First().Category.Name + " category. Please use another name.";
}
else
{
_db.SubCategory.Add(model.SubCategory);
await _db.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
CategoriesAndSubCategoriesViewModel modelVM = new CategoriesAndSubCategoriesViewModel()
{
CategoriesList = await _db.Category.ToListAsync(),
SubCategory = model.SubCategory,
SubCategoriesList = await _db.SubCategory.OrderBy(p => p.Name).Select(p => p.Name).ToListAsync(),
StatusMessage = StatusMessage
};
return(View(modelVM));
}
// GET - Create
public async Task <IActionResult> Create()
{
CategoriesAndSubCategoriesViewModel model = new CategoriesAndSubCategoriesViewModel()
{
CategoriesList = await _db.Category.ToListAsync(),
SubCategory = new SubCategory(),
SubCategoriesList = await _db.SubCategory.OrderBy(s => s.Name).Select(s => s.Name).Distinct().ToListAsync(),
};
return(View(model));
}
// GET - Edit
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var subCategory = await _db.SubCategory.SingleOrDefaultAsync(s => s.Id == id);
if (subCategory == null)
{
return(NotFound());
}
CategoriesAndSubCategoriesViewModel model = new CategoriesAndSubCategoriesViewModel()
{
CategoriesList = await _db.Category.ToListAsync(),
SubCategory = subCategory,
SubCategoriesList = await _db.SubCategory.OrderBy(s => s.Name).Select(s => s.Name).Distinct().ToListAsync(),
};
return(View(model));
}
