128 lines
3.7 KiB
C#
128 lines
3.7 KiB
C#
using HotelContracts.BindingModels;
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using HotelContracts.BusinessLogicsContracts;
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using HotelContracts.SearchModels;
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using HotelContracts.StoragesContracts;
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using HotelContracts.ViewModels;
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using HotelDataModels.Enums;
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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 HotelBusinessLogic.BusinessLogics
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{
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public class BookingLogic : IBookingLogic
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{
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private readonly IBookingStorage _bookingStorage;
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public BookingLogic(IBookingStorage bookingStorage)
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{
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_bookingStorage = bookingStorage;
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}
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public BookingViewModel? ReadElement(BookingSearchModel 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 = _bookingStorage.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<BookingViewModel>? ReadList(BookingSearchModel? model)
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{
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var list = model == null ? _bookingStorage.GetFullList() : _bookingStorage.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 Create(BookingBindingModel model)
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{
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CheckModel(model);
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if (_bookingStorage.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(BookingBindingModel model)
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{
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CheckModel(model, false);
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if (_bookingStorage.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 bool Update(BookingBindingModel model)
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{
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CheckModel(model);
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if (_bookingStorage.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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public bool TakeBookingInWork(BookingBindingModel model)
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{
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return ChangeStatus(model, AcceptanceStatus.Обработка);
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}
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public bool FinishBooking(BookingBindingModel model)
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{
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return ChangeStatus(model, AcceptanceStatus.Принимается);
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}
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public bool DeliveryBooking(BookingBindingModel model)
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{
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return ChangeStatus(model, AcceptanceStatus.Принят);
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}
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private void CheckModel(BookingBindingModel 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.RoomId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор комнаты", nameof(model.RoomId));
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}
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if (model.ClientId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор клиента", nameof(model.ClientId));
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}
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}
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private bool ChangeStatus(BookingBindingModel model, AcceptanceStatus newStatus)
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{
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CheckModel(model, false);
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if (model.Status + 1 != newStatus)
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{
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return false;
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}
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model.Status = newStatus;
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if (_bookingStorage.Update(model) == null)
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{
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model.Status--;
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return false;
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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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