126 lines
4.1 KiB
C#
126 lines
4.1 KiB
C#
using SushiBarContracts.BindingModel;
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using SushiBarContracts.SearchModel;
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using SushiBarContracts.StoragesContracts;
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using SushiBarContracts.ViewModels;
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using SushiBarDataModels.Models;
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using SushiBarFileImplement.Models;
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namespace SushiBarFileImplement.Implements
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{
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public class ShopStorage : IShopStorage
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{
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private readonly DataFileSingleton _source;
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public ShopStorage()
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{
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_source = DataFileSingleton.GetInstance();
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}
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public List<ShopViewModel> GetFullList()
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{
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return _source.Shops.Select(x => x.GetViewModel).ToList();
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}
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public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
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{
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if (string.IsNullOrEmpty(model.ShopName))
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{
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return new();
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}
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return _source.Shops.Where(x => x.ShopName.Contains(model.ShopName)).Select(x => x.GetViewModel).ToList();
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}
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public ShopViewModel? GetElement(ShopSearchModel model)
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{
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if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
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{
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return null;
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}
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return _source.Shops.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ShopName) && x.ShopName == model.ShopName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
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}
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public ShopViewModel? Insert(ShopBindingModel model)
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{
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model.Id = _source.Shops.Count > 0 ? _source.Shops.Max(x => x.Id) + 1 : 1;
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var newShop = Shop.Create(model);
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if (newShop == null)
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{
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return null;
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}
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_source.Shops.Add(newShop);
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_source.SaveShops();
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return newShop.GetViewModel;
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}
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public ShopViewModel? Update(ShopBindingModel model)
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{
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var component = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
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if (component == null)
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{
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return null;
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}
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component.Update(model);
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_source.SaveShops();
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return component.GetViewModel;
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}
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public ShopViewModel? Delete(ShopBindingModel model)
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{
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var element = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
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if (element != null)
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{
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_source.Shops.Remove(element);
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_source.SaveShops();
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return element.GetViewModel;
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}
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return null;
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}
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public bool CheckCountSushi(ISushiModel model, int count)
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{
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int store = _source.Shops.Select(x => x.ShopSushis.Select(y =>
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(y.Value.Item1.Id == model.Id ? y.Value.Item2 : 0)).Sum()).Sum();
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return store >= count;
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}
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public bool SellSushis(ISushiModel model, int count)
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{
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var sushi = _source.Sushis.FirstOrDefault(x => x.Id == model.Id);
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if (sushi == null || !CheckCountSushi(model, count))
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{
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throw new ArgumentNullException("Такого количества суш нет, продать столько низя ");
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}
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foreach (var shop in _source.Shops)
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{
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var sushis = shop.ShopSushis;
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foreach (var elem in sushis.Where(x => x.Value.Item1.Id == sushi.Id))
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{
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var selling = Math.Min(elem.Value.Item2, count);
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sushis[elem.Value.Item1.Id] = (elem.Value.Item1, elem.Value.Item2 - selling);
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count -= selling;
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if (count <= 0)
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{
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break;
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}
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}
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shop.Update(new ShopBindingModel
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{
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Id = model.Id,
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ShopName = shop.ShopName,
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Address = shop.Address,
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DateOpening = shop.DateOpening,
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ShopSushis = sushis,
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MaxCountSushis = shop.MaxCountSushis
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});
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}
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_source.SaveShops();
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return true;
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}
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}
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}
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