PIAPS_CW/DatabaseImplement/Models/Sale.cs

using Contracts.BindingModels;
using Contracts.ViewModels;
using DataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static System.Runtime.InteropServices.JavaScript.JSType;
using System.Xml.Linq;

namespace DatabaseImplement.Models
{
    public class Sale : ISale
    {
        [Required]
        public Guid Id { get; set; }
        [Required]
        public string Name { get; set; }
        public string? Category { get; set; }
        [Required]
        public string Description { get; set; } = string.Empty;
        [Required] 
        public string FullDescription { get; set; } = string.Empty;
        [Required]
        public int Value { get; set; }
        [Required]
        public DateTime Start { get; set; }
        [Required]
        public DateTime End { get; set; }

        [ForeignKey("SaleId")]
        public ICollection<Product> Products { get; set; } = new List<Product>();
        public SaleBindingModel GetBindingModel() => new()
        {
            Id = Id,
            Category = Category,
            Description = Description,
            FullDescription = FullDescription,
            Name = Name,
            Value = Value,
            Start = Start,
            End = End
        };

        public static Sale ToSaleFromView(SaleBindingModel model, Sale sale) => new()
        {
            Id = model.Id,
            Category = model.Category,
            Description = model.Description,
            FullDescription = model.FullDescription,
            Name = model.Name,
            Value = model.Value,
            Start = model.Start,
            End = model.End
        };

        public static Sale ToProductFromBinding(SaleBindingModel model, Sale sale) => new()
        {
            Id = model.Id,
            Category = model.Category,
            Description = model.Description,
            FullDescription = model.FullDescription,
            Name = model.Name,
            Value = model.Value,
            Start = model.Start,
            End = model.End
        };

        public static Sale Create(Database context, SaleBindingModel model)
        {
            return new Sale()
            {
                Id = model.Id,
                Category = model.Category,
                Description = model.Description,
                FullDescription = model.FullDescription,
                Name = model.Name,
                Value = model.Value,
                Start = model.Start,
                End = model.End
            };
        }


        public void Update(SaleBindingModel model)
        {
            if (model is null)
            {
                throw new ArgumentNullException("Update product: binding model is null");
            }

            Category = model.Category;
            Description = model.Description;
            FullDescription = model.FullDescription;
            Name = model.Name;
            Value = model.Value;
            Start = model.Start;
            End = model.End;
        }
        public SaleViewModel GetViewModel
        {
            get
            {
                var context = new Database();
                return new()
                {
                    Id = Id,
                    Category = Category,
                    Description = Description,
                    FullDescription = FullDescription,
                    Name = Name,
                    Value = Value,
                    Start = Start,
                    End = End
                };
            }
        }
    }
}