117 lines
4.1 KiB
C#
117 lines
4.1 KiB
C#
using RestaurantContracts.BindingModels;
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using RestaurantContracts.ViewModels;
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using RestaurantDataModels.Models;
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using System;
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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.Text;
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using System.Threading.Tasks;
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namespace RestaurantDatabaseImplement.Models
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{
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public class Component : IComponentModel
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{
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[Required]
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public string Name { get; private set; } = string.Empty;
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[Required]
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public int Price { get; private set; }
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[Required]
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public int Count { get; private set; }
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private Dictionary<int, (IProviderModel, int, DateTime)>? _componentProviders = null;
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[NotMapped]
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public Dictionary<int, (IProviderModel, int, DateTime)> ComponentProviders
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{
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get
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{
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if (_componentProviders == null)
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{
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_componentProviders = Providers.ToDictionary(recPC => recPC.ProviderId, recPC =>
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(recPC.Provider as IProviderModel, recPC.Count, recPC.Date));
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}
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return _componentProviders;
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}
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}
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[ForeignKey("ComponentId")]
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public virtual List<ComponentProvider> Providers { get; set; } = new();
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public int Id { get; private set; }
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[ForeignKey("ComponentId")]
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public virtual List<ProductComponent> ProductComponents { get; set; } = new();
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public static Component? Create(RestaurantDatabase context, ComponentBindingModel? model)
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{
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if (model == null)
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{
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return null;
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}
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return new Component()
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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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Count = model.Count,
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Providers = model.ComponentProviders.Select(x => new ComponentProvider
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{
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Provider = context.Providers.First(y => y.Id == x.Key),
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Count = x.Value.Item2,
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Date = x.Value.Item3
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}).ToList()
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};
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}
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public void Update(ComponentBindingModel? model)
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{
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Name = model.Name;
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Price = model.Price;
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Count = model.Count;
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}
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public ComponentViewModel GetViewModel => 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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Count = Count,
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ComponentProviders = ComponentProviders,
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};
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public void UpdateComponents(RestaurantDatabase context, ComponentBindingModel model)
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{
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var ComponentProviders = context.ComponentProviders.Where(rec => rec.ComponentId == model.Id).ToList();
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if (ComponentProviders != null && ComponentProviders.Count > 0)
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{ // удалили те, которых нет в модели
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context.ComponentProviders.RemoveRange(ComponentProviders.Where(rec => !model.ComponentProviders.ContainsKey(rec.ProviderId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateComponent in ComponentProviders)
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{
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updateComponent.Count = model.ComponentProviders[updateComponent.ProviderId].Item2;
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model.ComponentProviders.Remove(updateComponent.ProviderId);
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}
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context.SaveChanges();
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}
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var Component = context.Components.First(x => x.Id == Id);
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foreach (var pc in model.ComponentProviders)
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{
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context.ComponentProviders.Add(new ComponentProvider
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{
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Component = Component,
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Provider = context.Providers.First(x => x.Id == pc.Key),
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Count = pc.Value.Item2,
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Date = pc.Value.Item3 // ??????
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});
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context.SaveChanges();
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}
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_componentProviders = null;
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}
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}
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}
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