PIbd-23_Elatomtsev_L.K._Con.../Confectionery/ConfectioneryDatabaseImplement/Models/Pastry.cs
2024-04-10 11:44:57 +04:00

97 lines
3.5 KiB
C#

using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.ViewModels;
using ConfectioneryDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace ConfectioneryDatabaseImplement.Models
{
public class Pastry : IPastryModel
{
public int Id { get; set; }
[Required]
public string PastryName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>?
_pastryComponents = null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> PastryComponents
{
get
{
if (_pastryComponents == null)
{
_pastryComponents = Components
.ToDictionary(recPC => recPC.ComponentId, recPC =>
(recPC.Component as IComponentModel, recPC.Count));
}
return _pastryComponents;
}
}
[ForeignKey("PastryId")]
public virtual List<PastryComponent> Components { get; set; } = new();
[ForeignKey("PastryId")]
public virtual List<Order> Orders { get; set; } = new();
public static Pastry Create(ConfectioneryDatabase context,
PastryBindingModel model)
{
return new Pastry()
{
Id = model.Id,
PastryName = model.PastryName,
Price = model.Price,
Components = model.PastryComponents.Select(x =>
new PastryComponent
{
Component = context.Components.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(PastryBindingModel model)
{
PastryName = model.PastryName;
Price = model.Price;
}
public PastryViewModel GetViewModel => new()
{
Id = Id,
PastryName = PastryName,
Price = Price,
PastryComponents = PastryComponents
};
public void UpdateComponents(ConfectioneryDatabase context,
PastryBindingModel model)
{
var pastryComponents = context.PastryComponents
.Where(rec => rec.PastryId == model.Id).ToList();
if (pastryComponents != null && pastryComponents.Count > 0)
{
context.PastryComponents.RemoveRange(pastryComponents
.Where(rec => !model.PastryComponents
.ContainsKey(rec.ComponentId)));
context.SaveChanges();
foreach (var updateComponent in pastryComponents)
{
updateComponent.Count = model
.PastryComponents[updateComponent.ComponentId].Item2;
model.PastryComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var pastry = context.Pastries.First(x => x.Id == Id);
foreach (var pc in model.PastryComponents)
{
context.PastryComponents.Add(new PastryComponent
{
Pastry = pastry,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_pastryComponents = null;
}
}
}