95 lines
3.6 KiB
C#
95 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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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 AircraftPlantContracts.BindingModels;
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using AircraftPlantContracts.ViewModels;
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using AircraftPlantDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace AircraftPlantDatabaseImplement.Models
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{
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public class Plane : IPlaneModel
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{
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public int Id { get; set; }
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[Required]
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public string PlaneName { 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)>? _planeComponents = null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> PlaneComponents
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{
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get
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{
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if (_planeComponents == null)
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{
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_planeComponents = Components
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.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
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}
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return _planeComponents;
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}
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}
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[ForeignKey("PlaneId")]
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public virtual List<PlaneComponent> Components { get; set; } = new();
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[ForeignKey("PlaneId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Plane Create(AircraftPlantDatabase context, PlaneBindingModel model)
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{
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return new Plane()
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{
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Id = model.Id,
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PlaneName = model.PlaneName,
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Price = model.Price,
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Components = model.PlaneComponents.Select(x => new PlaneComponent
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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(PlaneBindingModel model)
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{
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PlaneName = model.PlaneName;
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Price = model.Price;
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}
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public PlaneViewModel GetViewModel => new()
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{
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Id = Id,
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PlaneName = PlaneName,
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Price = Price,
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PlaneComponents = PlaneComponents
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};
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public void UpdateComponents(AircraftPlantDatabase context, PlaneBindingModel model)
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{
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var planeComponents = context.PlaneComponents.Where(rec => rec.PlaneId == model.Id).ToList();
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if (planeComponents != null && planeComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.PlaneComponents.RemoveRange(planeComponents.Where(rec => !model.PlaneComponents.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 planeComponents)
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{
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updateComponent.Count = model.PlaneComponents[updateComponent.ComponentId].Item2;
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model.PlaneComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var plane = context.Planes.First(x => x.Id == Id);
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foreach (var pc in model.PlaneComponents)
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{
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context.PlaneComponents.Add(new PlaneComponent
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{
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Plane = plane,
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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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_planeComponents = null;
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}
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}
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}
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