95 lines
3.6 KiB
C#
95 lines
3.6 KiB
C#
using PizzeriaDataModels.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.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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using PizzeriaContracts.BindingModels;
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using PizzeriaContracts.ViewModels;
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namespace PizzeriaDatabaseImplement.Models
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{
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public class Pizza : IPizzaModel
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{
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public int Id { get; set; }
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[Required]
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public string PizzaName { 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)>? _PizzaComponents = null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> PizzaComponents
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{
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get
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{
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if (_PizzaComponents == null)
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{
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_PizzaComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
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}
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return _PizzaComponents;
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}
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}
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[ForeignKey("PizzaId")]
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public virtual List<PizzaComponent> Components { get; set; } = new();
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[ForeignKey("PizzaId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Pizza Create(PizzeriaDatabase context, PizzaBindingModel model)
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{
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return new Pizza()
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{
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Id = model.Id,
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PizzaName = model.PizzaName,
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Price = model.Price,
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Components = model.PizzaComponents.Select(x => new PizzaComponent
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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(PizzaBindingModel model)
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{
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PizzaName = model.PizzaName;
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Price = model.Price;
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}
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public PizzaViewModel GetViewModel => new()
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{
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Id = Id,
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PizzaName = PizzaName,
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Price = Price,
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PizzaComponents = PizzaComponents
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};
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public void UpdateComponents(PizzeriaDatabase context, PizzaBindingModel model)
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{
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var PizzaComponents = context.PizzaComponents.Where(rec => rec.PizzaId == model.Id).ToList();
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if (PizzaComponents != null && PizzaComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.PizzaComponents.RemoveRange(PizzaComponents.Where(rec => !model.PizzaComponents.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 PizzaComponents)
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{
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updateComponent.Count = model.PizzaComponents[updateComponent.ComponentId].Item2;
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model.PizzaComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var Pizza = context.Pizzas.First(x => x.Id == Id);
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foreach (var pc in model.PizzaComponents)
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{
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context.PizzaComponents.Add(new PizzaComponent
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{
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Pizza = Pizza,
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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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_PizzaComponents = null;
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}
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}
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}
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