127 lines
3.6 KiB
C#
127 lines
3.6 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 Microsoft.Extensions.Logging;
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namespace HotelBusinessLogic.BusinessLogics
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{
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public class LunchLogic : ILunchLogic
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{
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private readonly ILogger _logger;
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private readonly ILunchStorage _lunchStorage;
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public LunchLogic(ILogger<LunchLogic> logger, ILunchStorage lunchStorage)
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{
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_logger = logger;
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_lunchStorage = lunchStorage;
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}
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public List<LunchViewModel>? ReadList(LunchSearchModel? model)
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{
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_logger.LogInformation("ReadList. LunchName:{LunchName}.Id:{ Id}", model?.LunchName, model?.Id);
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var list = model == null ? _lunchStorage.GetFullList() : _lunchStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList return null list");
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return null;
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}
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_logger.LogInformation("ReadList. Count:{Count}", list.Count);
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return list;
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}
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public LunchViewModel? ReadElement(LunchSearchModel 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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_logger.LogInformation("ReadElement. LunchName:{LunchName}.Id:{Id}", model.LunchName, model.Id);
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var element = _lunchStorage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement element not found");
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return null;
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}
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_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
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return element;
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}
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public bool Create(LunchBindingModel model)
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{
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CheckModel(model);
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if (_lunchStorage.Insert(model) == null)
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{
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_logger.LogWarning("Insert operation failed");
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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(LunchBindingModel model)
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{
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CheckModel(model);
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if (_lunchStorage.Update(model) == null)
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{
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_logger.LogWarning("Update operation failed");
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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(LunchBindingModel model)
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{
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CheckModel(model, false);
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_logger.LogInformation("Delete. Id:{Id}", model.Id);
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if (_lunchStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete operation failed");
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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(LunchBindingModel 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 (string.IsNullOrEmpty(model.LunchName))
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{
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throw new ArgumentNullException("Нет имени обеда", nameof(model.LunchName));
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}
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if (model.LunchPrice < 0)
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{
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throw new ArgumentNullException("Стоимость обеда не может быть меньше 0", nameof(model.LunchPrice));
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}
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_logger.LogInformation("Lunch. LunchName:{LunchName}.LunchPrice:{ LunchPrice}. Id: { Id}", model.LunchName, model.LunchPrice, model.Id);
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}
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}
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}
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