PIbd-23-Yunusov-N.N.-CarRep.../CarRepairShop/CarRepairShopFileImplement/Implements/ShopStorage.cs

120 lines
4.0 KiB
C#

using CarRepairShopContracts.BindingModels;
using CarRepairShopContracts.SearchModels;
using CarRepairShopContracts.StoragesContracts;
using CarRepairShopContracts.ViewModels;
using CarRepairShopDataModels.Models;
using CarRepairShopFileImplement.Models;
namespace CarRepairShopFileImplement.Implements
{
public class ShopStorage : IShopStorage
{
private readonly DataFileSingleton _source;
public ShopStorage()
{
_source = DataFileSingleton.GetInstance();
}
public List<ShopViewModel> GetFullList()
{
return _source.Shops.Select(x => x.GetViewModel).ToList();
}
public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name))
{
return new();
}
return _source.Shops.Where(x => x.ShopName.Contains(model.Name)).Select(x => x.GetViewModel).ToList(); ;
}
public ShopViewModel? GetElement(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
{
return null;
}
return _source.Shops.FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && x.ShopName == model.Name) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
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 component = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
if (component == null)
{
return null;
}
component.Update(model);
_source.SaveShops();
return component.GetViewModel;
}
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 bool CheckAvailability(int repairId, int count)
{
count -= _source.Shops.Select(x => x.ShopRepairs.Select(y => (y.Value.Item1.Id == repairId ? y.Value.Item2 : 0)).Sum()).Sum();
return count <= 0;
}
public bool SellRepairs(IRepairModel model, int count)
{
var neededRepair = _source.Repairs.FirstOrDefault(x => x.Id == model.Id);
if (neededRepair == null || !CheckAvailability(neededRepair.Id, count))
{
return false;
}
for (int i = 0; i < _source.Shops.Count; i++)
{
var shop = _source.Shops[i];
var repairs = shop.ShopRepairs;
foreach (var repair in repairs.Where(x => x.Value.Item1.Id == neededRepair.Id))
{
var min = Math.Min(repair.Value.Item2, count);
repairs[repair.Value.Item1.Id] = (repair.Value.Item1, repair.Value.Item2 - min);
count -= min;
if (count <= 0)
{
break;
}
}
shop.Update(new ShopBindingModel
{
Id = shop.Id,
ShopName = shop.ShopName,
Address = shop.Address,
DateOpen = shop.DateOpen,
MaxCapacity = shop.MaxCapacity,
ShopRepairs = repairs
});
}
_source.SaveShops();
return true;
}
}
}