103 lines
3.0 KiB
C#
103 lines
3.0 KiB
C#
using Contracts.BindingModels;
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using Contracts.Converters;
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using Contracts.ViewModels;
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using DataModels.Models;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Text;
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using System.Threading.Tasks;
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namespace DatabaseImplement.Models
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{
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public class Sell : ISell
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{
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public Guid Id { get; set; }
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public DateTime DateSell { get; set; }
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public Guid? UserId { get; set; }
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private Dictionary<Guid, (IProduct, int)>? _sellProducts = null;
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public virtual User? User { get; set; }
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[DataMember]
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[NotMapped]
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public Dictionary<Guid, (IProduct, int)> PurchaseProducts
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{
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get
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{
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if (_sellProducts == null)
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{
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_sellProducts = Products.ToDictionary(e => e.ProductId, e => (e.Product as IProduct, e.Count));
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}
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return _sellProducts;
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}
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set { }
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}
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[ForeignKey("SellId")]
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public virtual List<SellProducts> Products { get; set; } = new();
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public static Sell Create(Database context, SellBindingModel model)
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{
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return new Sell()
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{
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Id = model.Id,
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DateSell = model.DateSell,
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UserId = model.UserId,
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};
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}
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public SellBindingModel GetBindingModel => new()
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{
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Id = Id,
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DateSell = DateSell,
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UserId = UserId,
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};
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public SellViewModel GetViewModel => new()
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{
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Id = Id,
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DateSell = DateSell,
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UserId = UserId,
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};
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public static Sell ToSellFromView(SellViewModel model, Sell sell) => new()
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{
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Id = model.Id,
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DateSell = model.DateSell
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};
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public static Sell ToSellFromBinding(SellBindingModel model, Sell sell) => new()
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{
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Id = model.Id,
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DateSell = model.DateSell,
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};
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public void Update(SellBindingModel model)
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{
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if (model is null)
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{
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throw new ArgumentNullException("Update user: binding model is null");
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}
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DateSell = model.DateSell;
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UserId = model.UserId;
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}
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public void UpdateProducts(Database context, SellBindingModel model)
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{
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var sellProducts = context.SellProducts.Where(rec =>
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rec.Id == model.Id).ToList();
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if (sellProducts != null && sellProducts.Count > 0)
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{ // удалили те, которых нет в модели
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context.SellProducts.RemoveRange(sellProducts.Where(rec
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=> !model.SellProducts.ContainsKey(rec.ProductId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateProduct in sellProducts)
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{
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updateProduct.Count = model.SellProducts[updateProduct.ProductId].Item2;
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model.SellProducts.Remove(updateProduct.ProductId);
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}
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context.SaveChanges();
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}
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}
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}
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}
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