RuslanAnisin/PIbd-21_Anisin_R.S._CarRepairShop
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PIbd-21. Anisin R.S. Lab work 03 #4

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RuslanAnisin wants to merge 2 commits from lab3 into lab2
pull from: lab3
merge into: RuslanAnisin:lab2
Conversation 0 Commits 2 Files Changed 15 +16 -16
2 changed files with 16 additions and 16 deletions
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Showing only changes of commit 8740bec214 - Show all commits

10
CarRepairShop/CarRepairShopDatabaseImplement/Implements/RepairStorage.cs
View File

@ -70,16 +70,16 @@ namespace CarRepairShopDatabaseImplement.Implements
using var transaction = context.Database.BeginTransaction();
try
{
var product = context.Repairs.FirstOrDefault(rec => rec.Id == model.Id);
if (product == null)
var repair = context.Repairs.FirstOrDefault(rec => rec.Id == model.Id);
if (repair == null)
{
return null;
}
product.Update(model);
repair.Update(model);
context.SaveChanges();
product.UpdateComponents(context, model);
repair.UpdateComponents(context, model);
transaction.Commit();
return product.GetViewModel;
return repair.GetViewModel;
}
catch
{

22
CarRepairShop/CarRepairShopDatabaseImplement/Models/Repair.cs
View File

@ -16,19 +16,19 @@ namespace CarRepairShopDatabaseImplement.Models
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>? _productComponents = null;
private Dictionary<int, (IComponentModel, int)>? _repairComponents = null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> RepairComponents
{
get
{
if (_productComponents == null)
if (_repairComponents == null)
{
_productComponents = Components
_repairComponents = Components
.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
}
return _productComponents;
return _repairComponents;
}
}
@ -69,31 +69,31 @@ namespace CarRepairShopDatabaseImplement.Models
public void UpdateComponents(CarRepairShopDatabase context, RepairBindingModel model)
{
var productComponents = context.RepairComponents.Where(rec => rec.RepairId == model.Id).ToList();
if (productComponents != null && productComponents.Count > 0)
var repairComponents = context.RepairComponents.Where(rec => rec.RepairId == model.Id).ToList();
if (repairComponents != null && repairComponents.Count > 0)
{ // удалили те, которых нет в модели
context.RepairComponents.RemoveRange(productComponents.Where(rec => !model.RepairComponents.ContainsKey(rec.ComponentId)));
context.RepairComponents.RemoveRange(repairComponents.Where(rec => !model.RepairComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
// обновили количество у существующих записей
foreach (var updateComponent in productComponents)
foreach (var updateComponent in repairComponents)
{
updateComponent.Count = model.RepairComponents[updateComponent.ComponentId].Item2;
model.RepairComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var product = context.Repairs.First(x => x.Id == Id);
var repair = context.Repairs.First(x => x.Id == Id);
foreach (var pc in model.RepairComponents)
{
context.RepairComponents.Add(new RepairComponent
{
Repair = product,
Repair = repair,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_productComponents = null;
_repairComponents = null;
}
}
}