ISEbd-21_Putilin_P.A._Preca.../PrecastConcretePlant/PrecastConcretePlantFileImplement/ShopStorage.cs
2023-04-26 10:19:14 +04:00

108 lines
3.3 KiB
C#

using PrecastConcretePlantContracts.BindingModels;
using PrecastConcretePlantContracts.SearchModels;
using PrecastConcretePlantContracts.StoragesContract;
using PrecastConcretePlantContracts.ViewModels;
using PrecastConcretePlantDataModels.Models;
namespace PrecastConcretePlantFileImplement
{
public class ShopStorage : IShopStorage
{
private readonly DataFileSingleton _source;
public ShopStorage()
{
_source = DataFileSingleton.GetInstance();
}
public ShopViewModel? Delete(ShopBindingModel model)
{
var element = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
_source.Shops.Remove(element);
_source.SaveShops();
return element.GetViewModel;
}
return null;
}
public ShopViewModel? GetElement(ShopSearchModel model)
{
if (!model.Id.HasValue)
{
return null;
}
return _source.Shops.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
}
public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name))
{
return new();
}
return _source.Shops
.Select(x => x.GetViewModel)
.Where(x => x.Name.Contains(model.Name ?? string.Empty))
.ToList();
}
public List<ShopViewModel> GetFullList()
{
return _source.Shops
.Select(shop => shop.GetViewModel)
.ToList();
}
public ShopViewModel? Insert(ShopBindingModel model)
{
model.Id = _source.Shops.Count > 0 ? _source.Shops.Max(x => x.Id) + 1 : 1;
var newShop = Shop.Create(model);
if (newShop == null)
{
return null;
}
_source.Shops.Add(newShop);
_source.SaveShops();
return newShop.GetViewModel;
}
public ShopViewModel? Update(ShopBindingModel model)
{
var shop = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
if (shop == null)
{
return null;
}
shop.Update(model);
_source.SaveShops();
return shop.GetViewModel;
}
public bool SellReinforceds(IReinforcedModel reinforced, int needCount)
{
var resultCount = _source.Shops
.Select(shop => shop.Reinforceds
.FirstOrDefault(x => x.Key == reinforced.Id).Value.Item2)
.Sum();
if (resultCount < needCount)
{
return false;
}
foreach (var shop in _source.Shops.Where(shop => shop.Reinforceds.ContainsKey(reinforced.Id)))
{
var tuple = shop.Reinforceds[reinforced.Id];
var diff = Math.Min(tuple.Item2, needCount);
shop.Reinforceds[reinforced.Id] = (tuple.Item1, tuple.Item2 - diff);
needCount -= diff;
if (needCount <= 0)
{
return true;
}
}
return true;
}
}
}