/// <summary>Categories.</summary>
        /// <param name="id">          The identifier.</param>
        /// <param name="categoryName">Name of the category.</param>
        /// <param name="description"> The description.</param>
        /// <param name="picture">     The picture.</param>
        /// <returns>A Category.</returns>
		public static Category Category(int id, string categoryName, string description, byte[] picture)
		{
			Category category = new Category();
			category.Id = id;
			category.CategoryName = categoryName;
			category.Description = description;
			category.Picture = picture;
			return category;
		}
		public static CategoryDto ToCategoryDto(Category model)
		{
			return new CategoryDto {
				CategoryName = model.CategoryName,
				Description = model.Description,
				Id = model.Id,
				Picture = model.Picture,
			};
		}