120 lines
4.2 KiB
C#
120 lines
4.2 KiB
C#
using Contracts.BindingModels;
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using Contracts.ViewModels;
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using DataModels.Enums;
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using DataModels.Models;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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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 Supply : ISupply
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{
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public Guid Id { get; set; }
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[Required]
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public string Name { get; set; } = string.Empty;
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[Required]
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public double Price { get; set; }
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[Required]
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public Guid SupplierId { get; set; }
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[Required]
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public DateTime Date { get; set; }
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[Required]
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public SupplyStatus Status { get; set; } = SupplyStatus.Pending;
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private Dictionary<Guid, (IProduct, int)>? _supplyProducts = null;
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[NotMapped]
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public Dictionary<Guid, (IProduct, int)> SupplyProducts
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{
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get
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{
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if (_supplyProducts == null)
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{
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_supplyProducts = Products
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.ToDictionary(recPC => recPC.Id, recPC =>
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(recPC.Product as IProduct, recPC.Count));
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}
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return _supplyProducts;
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}
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}
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[ForeignKey("SupplyId")]
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public virtual List<SupplyProduct> Products { get; set; } = new();
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public virtual Supplier Supplier { get; set; }
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public static Supply Create(Database context, SupplyBindingModel model)
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{
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return new Supply()
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{
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Id = model.Id,
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Name = model.Name,
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Price = model.Price,
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Date = model.Date,
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SupplierId = model.SupplierId,
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Products = model.SupplyProducts.Select(x => new
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SupplyProduct
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{
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Product = context.Products.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList(),
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Status = SupplyStatus.Pending,
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};
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}
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public void Update(SupplyBindingModel model)
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{
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Name = model.Name;
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Price = model.Price;
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}
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public SupplyViewModel GetViewModel
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{
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get
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{
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var context = new Database();
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return new()
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{
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Id = Id,
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Name = Name,
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Price = Price,
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Products = SupplyProducts,
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Date = Date,
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Status = Status,
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SupplierName = context.Suppliers.FirstOrDefault(x => x.Id == Id)?.Name ?? string.Empty,
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};
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}
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}
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public void UpdateProducts(Database context, SupplyBindingModel model)
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{
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var supplyProducts = context.SupplyProducts.Where(rec =>
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rec.Id == model.Id).ToList();
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if (supplyProducts != null && supplyProducts.Count > 0)
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{ // удалили те, которых нет в модели
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context.SupplyProducts.RemoveRange(supplyProducts.Where(rec
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=> !model.SupplyProducts.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 supplyProducts)
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{
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updateProduct.Count = model.SupplyProducts[updateProduct.ProductId].Item2;
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model.SupplyProducts.Remove(updateProduct.ProductId);
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}
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context.SaveChanges();
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}
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var supply = context.Supplies.First(x => x.Id == Id);
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foreach (var pc in model.SupplyProducts)
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{
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context.SupplyProducts.Add(new SupplyProduct
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{
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Supply = supply,
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Product = context.Products.First(x => x.Id == pc.Key),
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Count = pc.Value.Item2
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});
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context.SaveChanges();
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}
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_supplyProducts = null;
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}
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}
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}
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