140 lines
4.4 KiB
C#
140 lines
4.4 KiB
C#
using IceCreamShopContracts.BindingModels;
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using IceCreamShopContracts.SearchModels;
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using IceCreamShopContracts.StoragesContracts;
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using IceCreamShopContracts.ViewModels;
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using IceCreamShopDataModels.Models;
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using IceCreamShopListImplement.Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace IceCreamShopListImplement.Implements
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{
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public class ShopStorage : IShopStorage
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{
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private readonly DataListSingleton _source;
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public ShopStorage()
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{
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_source = DataListSingleton.GetInstance();
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}
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public List<ShopViewModel> GetFullList()
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{
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var result = new List<ShopViewModel>();
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foreach (var shop in _source.Shops)
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{
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result.Add(shop.GetViewModel);
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}
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return result;
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}
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public List<ShopViewModel> GetFilteredList(ShopSearchModel
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model)
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{
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var result = new List<ShopViewModel>();
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if (string.IsNullOrEmpty(model.Name))
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{
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return result;
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}
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foreach (var shop in _source.Shops)
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{
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if (shop.ShopName.Contains(model.Name))
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{
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result.Add(shop.GetViewModel);
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}
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}
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return result;
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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.Name) && !model.Id.HasValue)
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{
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return null;
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}
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foreach (var shop in _source.Shops)
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{
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if ((!string.IsNullOrEmpty(model.Name) &&
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shop.ShopName == model.Name) ||
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(model.Id.HasValue && shop.Id == model.Id))
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{
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return shop.GetViewModel;
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}
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}
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return null;
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}
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public ShopViewModel? Insert(ShopBindingModel model)
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{
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model.Id = 1;
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foreach (var shop in _source.Shops)
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{
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if (model.Id <= shop.Id)
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{
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model.Id = shop.Id + 1;
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}
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}
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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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return newShop.GetViewModel;
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}
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public ShopViewModel? Update(ShopBindingModel model)
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{
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foreach (var shop in _source.Shops)
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{
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if (shop.Id == model.Id)
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{
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shop.Update(model);
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return shop.GetViewModel;
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}
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}
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return null;
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}
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public ShopViewModel? Delete(ShopBindingModel model)
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{
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for (int i = 0; i < _source.Shops.Count; ++i)
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{
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if (_source.Shops[i].Id == model.Id)
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{
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var element = _source.Shops[i];
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_source.Shops.RemoveAt(i);
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return element.GetViewModel;
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}
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}
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return null;
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}
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public bool SupplyIceCream(ShopSearchModel model, IIceCreamModel iceCream, int count) {
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if (model == null)
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throw new ArgumentNullException(nameof(model));
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if (iceCream == null)
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throw new ArgumentNullException(nameof(iceCream));
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if (count <= 0)
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throw new ArgumentNullException("Количество должно быть положительным числом");
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ShopViewModel curModel = GetElement(model);
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if(curModel == null)
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throw new ArgumentNullException(nameof(curModel));
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if (curModel.ShopIceCreams.TryGetValue(iceCream.Id, out var pair))
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{
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curModel.ShopIceCreams[iceCream.Id] = (pair.Item1, pair.Item2 + count);
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}
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else
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{
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curModel.ShopIceCreams.Add(iceCream.Id, (iceCream, count));
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}
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Update(new()
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{
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Id = curModel.Id,
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ShopName = curModel.ShopName,
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DateOpen = curModel.DateOpen,
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Address = curModel.Address,
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ShopIceCreams = curModel.ShopIceCreams,
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});
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return true;
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}
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}
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}
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