107 lines
3.0 KiB
C#
107 lines
3.0 KiB
C#
using RestaurantContracts.BindingModels;
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using RestaurantContracts.BusinessLogicsContracts;
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using RestaurantContracts.SearchModels;
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using RestaurantContracts.StoragesContracts;
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using RestaurantContracts.ViewModels;
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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 RestaurantBusinessLogic.BusinessLogics
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{
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public class OrderLogic : IOrderLogic
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{
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private readonly IOrderStorage _orderStorage;
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public OrderLogic(IOrderStorage orderStorage)
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{
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_orderStorage = orderStorage;
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}
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public bool Create(OrderBindingModel model)
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{
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CheckModel(model);
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if (_orderStorage.Insert(model) == null)
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{
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return false;
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}
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return true;
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}
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public bool Delete(OrderBindingModel model)
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{
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CheckModel(model, false);
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if (_orderStorage.Delete(model) == null)
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{
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return false;
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}
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return true;
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}
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public OrderViewModel? ReadElement(OrderSearchModel model)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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var element = _orderStorage.GetElement(model);
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if (element == null)
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{
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return null;
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}
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return element;
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}
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public List<OrderViewModel>? ReadList(OrderSearchModel? model)
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{
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var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
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if (list == null)
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{
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return null;
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}
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return list;
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}
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public bool Update(OrderBindingModel model)
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{
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CheckModel(model);
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if (_orderStorage.Update(model) == null)
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{
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return false;
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}
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return true;
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}
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private void CheckModel(OrderBindingModel model, bool withParams = true)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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if (!withParams)
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{
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return;
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Нет цены у заказа", nameof(model.Price));
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}
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if (model.Date != null)
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{
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throw new ArgumentNullException("Нет даты у заказа", nameof(model.Date));
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}
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var element = _orderStorage.GetElement(new OrderSearchModel
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{
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ClientId = model.ClientId,
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Date = model.Date,
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});
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Заказ с таким номером уже есть");
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}
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}
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}
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}
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