Case_accounting/CaseAccounting/CaseAccountingDataBaseImplement/Models/Deal.cs
2023-05-19 18:09:36 +04:00

128 lines
3.8 KiB
C#

using CaseAccountingContracts.BindingModels;
using CaseAccountingContracts.ViewModels;
using CaseAccountingDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CaseAccountingDataBaseImplement.Models
{
public class Deal : IDealModel
{
public int Id { get; set; }
[Required]
public string Subject { get; set; } = string.Empty;
[Required]
public string Responsibilities { get; set; } = string.Empty;
[Required]
public DateTime Date { get; set; }
[Required]
public int UserId { get; set; }
public virtual User User { get; set; } = new();
[ForeignKey("DealId")]
public virtual List<CaseDeal> CaseDeals { get; set; } = new();
private Dictionary<int, ICaseModel>? _cases;
[NotMapped]
public Dictionary<int, ICaseModel> Cases
{
get
{
if (_cases == null)
{
_cases = CaseDeals.ToDictionary(
x => x.CaseId, x => x.Case as ICaseModel);
}
return _cases;
}
}
[ForeignKey("DealId")]
public virtual List<DealContract> Contracts { get; set; } = new();
public static Deal? Create(CaseAccountingDatabase context, DealBindingModel? model)
{
if (model == null)
{
return null;
}
return new Deal()
{
Id = model.Id,
Subject = model.Subject,
Responsibilities = model.Responsibilities,
Date = model.Date,
UserId = model.UserId,
User = context.Users.FirstOrDefault(x => x.Id == model.UserId) ?? throw new Exception("User не существует"),
CaseDeals = model.Cases.Select(x => new CaseDeal
{
Case = context.Cases.First(y => y.Id == x.Key)
}).ToList()
};
}
public void Update(DealBindingModel? model)
{
if (model == null)
{
return;
}
Subject = model.Subject;
Responsibilities = model.Responsibilities;
Date = model.Date;
}
public void UpdateCases(CaseAccountingDatabase context, DealBindingModel model)
{
var dealCases = context.CaseDeals
.Where(x => x.DealId == model.Id)
.ToList();
if (dealCases != null)
{
context.CaseDeals
.RemoveRange(dealCases
.Where(x => !model.Cases
.ContainsKey(x.CaseId))
);
context.SaveChanges();
var deal = context.Deals
.First(x => x.Id == Id);
foreach (var dc in dealCases)
{
model.Cases.Remove(dc.CaseId);
}
foreach (var dc in model.Cases)
{
context.CaseDeals.Add(new CaseDeal
{
Deal = deal,
Case = context.Cases.First(x => x.Id == dc.Key),
});
context.SaveChanges();
}
_cases = null;
}
}
public DealViewModel GetViewModel => new()
{
Id = Id,
Subject = Subject,
Responsibilities = Responsibilities,
Date = Date,
UserId = UserId
};
}
}