ISEbd-21_Pyatkin_I.A_Precas.../PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/Models/Reinforced.cs

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C#
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using PrecastConcretePlantDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using PrecastConcretePlantContracts.BindingModels;
using PrecastConcretePlantContracts.ViewModels;
namespace PrecastConcretePlantDatabaseImplement.Models
{
public class Reinforced : IReinforcedModel
{
public int Id { get; set; }
[Required]
public string ReinforcedName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>? _ReinforcedComponents =
null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> ReinforcedComponents
{
get
{
if (_ReinforcedComponents == null)
{
_ReinforcedComponents = Components
.ToDictionary(recPC => recPC.ComponentId, recPC =>
(recPC.Component as IComponentModel, recPC.Count));
}
return _ReinforcedComponents;
}
}
[ForeignKey("ReinforcedId")]
public virtual List<ReinforcedComponent> Components { get; set; } = new();
[ForeignKey("ReinforcedId")]
public virtual List<Order> Orders { get; set; } = new();
public static Reinforced Create(PrecastConcretePlantDataBase context,
ReinforcedBindingModel model)
{
return new Reinforced()
{
Id = model.Id,
ReinforcedName = model.ReinforcedName,
Price = model.Price,
Components = model.ReinforcedComponents.Select(x => new
ReinforcedComponent
{
Component = context.Components.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(ReinforcedBindingModel model)
{
ReinforcedName = model.ReinforcedName;
Price = model.Price;
}
public ReinforcedViewModel GetViewModel => new()
{
Id = Id,
ReinforcedName = ReinforcedName,
Price = Price,
ReinforcedComponents = ReinforcedComponents
};
public void UpdateComponents(PrecastConcretePlantDataBase context,
ReinforcedBindingModel model)
{
var ReinforcedComponents = context.ReinforcedComponents.Where(rec =>
rec.ReinforcedId == model.Id).ToList();
if (ReinforcedComponents != null && ReinforcedComponents.Count > 0)
{
context.ReinforcedComponents.RemoveRange(ReinforcedComponents.Where(rec
=> !model.ReinforcedComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
foreach (var updateComponent in ReinforcedComponents)
{
updateComponent.Count =
model.ReinforcedComponents[updateComponent.ComponentId].Item2;
model.ReinforcedComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var Reinforced = context.Reinforceds.First(x => x.Id == Id);
foreach (var pc in model.ReinforcedComponents)
{
context.ReinforcedComponents.Add(new ReinforcedComponent
{
Reinforced = Reinforced,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_ReinforcedComponents = null;
}
}
}