public void AddCategory(ShopItemCategory category)
{
ShopItemCategory existingCategory = _context.Categories.FirstOrDefault(c => c.Id == category.Id);
if (existingCategory != null)
{
throw new DuplicateCategoryException("Duplicate label id: {id}");
}
_context.Categories.Add(category);
_context.SaveChanges();
}
public bool RemoveCategory(Guid categoryId)
{
ShopItemCategory categoryToRemove = _context.Categories.FirstOrDefault(c => c.Id == categoryId);
if (categoryToRemove == null)
{
return(false);
}
_context.Categories.Remove(categoryToRemove);
_context.SaveChanges();
return(true);
}
public void UpdateCategory(ShopItemCategory category)
{
_context.Entry(category).State = EntityState.Modified;
_context.SaveChanges();
}
public ShopItemCategory GetCategoryById(Guid id)
{
ShopItemCategory category = _context.Categories.FirstOrDefault(c => c.Id == id);
return(category);
}
public ShopItemCategory GetCategoryByName(string name)
{
ShopItemCategory category = _context.Categories.FirstOrDefault(c => c.Name == name);
return(category);
}
public List <ShopItem> GetFilteredByCategory(ShopItemCategory category)
{
List <ShopItem> items = _context.Items.Where(i => i.Categories.Any(c => c.Id == category.Id)).ToList();
return(items);
}
