107 lines
3.6 KiB
C#
107 lines
3.6 KiB
C#
using JewelryStoreDataModels.Models;
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using JewelryStoreContracts.ViewModels;
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using JewelryStoreContracts.BindingModels;
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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.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace JewelryStoreDatabaseImplement.Models
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{
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public class Jewel : IJewelModel
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{
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public int Id { get; set; }
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[Required]
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public string JewelName { get; set; } = string.Empty;
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[Required]
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public double Price { get; set; }
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private Dictionary<int, (IComponentModel, int)>? _jewelComponents = null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> JewelComponents
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{
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get
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{
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if (_jewelComponents == null)
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{
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_jewelComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
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}
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return _jewelComponents;
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}
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}
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[ForeignKey("JewelId")]
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public virtual List<JewelComponent> Components { get; set; } = new();
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[ForeignKey("JewelId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Jewel Create(JewelryStoreDataBase context, JewelBindingModel model)
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{
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return new Jewel()
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{
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Id = model.Id,
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JewelName = model.JewelName,
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Price = model.Price,
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Components = model.JewelComponents.Select(x => new JewelComponent
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{
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Component = context.Components.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(JewelBindingModel model)
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{
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JewelName = model.JewelName;
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Price = model.Price;
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}
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public JewelViewModel GetViewModel => new()
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{
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Id = Id,
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JewelName = JewelName,
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Price = Price,
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JewelComponents = JewelComponents
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};
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public void UpdateComponents(JewelryStoreDataBase context, JewelBindingModel model)
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{
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var jewelComponents = context.JewelComponents.Where(rec => rec.JewelId == model.Id).ToList();
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if (jewelComponents != null && jewelComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.JewelComponents.RemoveRange(jewelComponents.Where(rec => !model.JewelComponents.ContainsKey(rec.ComponentId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateComponent in jewelComponents)
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{
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updateComponent.Count = model.JewelComponents[updateComponent.ComponentId].Item2;
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model.JewelComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var jewel = context.Jewels.First(x => x.Id == Id);
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foreach (var pc in model.JewelComponents)
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{
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context.JewelComponents.Add(new JewelComponent
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{
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Jewel = jewel,
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Component = context.Components.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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_jewelComponents = null;
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}
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}
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}
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