PIbd-21_Anisin_R.S._CourseW.../TravelAgency/TravelAgencyBusinessLogic/BusinessLogics/ExcursionGroupLogic.cs
2024-04-29 19:16:39 +04:00

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using Microsoft.Extensions.Logging;
using TravelAgencyContracts.BindingModels;
using TravelAgencyContracts.BusinessLogicsContracts;
using TravelAgencyContracts.SearchModels;
using TravelAgencyContracts.StoragesContracts;
using TravelAgencyContracts.ViewModels;
namespace TravelAgencyBusinessLogic.BusinessLogics
{
public class ExcursionGroupLogic : IExcursionGroupLogic
{
private readonly ILogger _logger;
private readonly IExcursionGroupStorage _excursionGroupStorage;
public ExcursionGroupLogic(ILogger<ExcursionGroupLogic> logger, IExcursionGroupStorage excursionGroupStorage)
{
_logger = logger;
_excursionGroupStorage = excursionGroupStorage;
}
public List<ExcursionGroupViewModel>? ReadList(ExcursionGroupSearchModel? model)
{
_logger.LogInformation("ReadList. Id: {Id}, ExcursionGroupName: {ExcursionGroupName}, UserId: {UserId}, GuideId: {GuideId}.", model?.Id, model?.ExcursionGroupName, model?.UserId, model?.GuideId);
var list = (model == null) ? _excursionGroupStorage.GetFullList() : _excursionGroupStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count: {Count}", list.Count);
return list;
}
public ExcursionGroupViewModel? ReadElement(ExcursionGroupSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. ExcursionGroup id: {Id}, ExcursionGroup name: {ExcursionGroupName}", model?.Id, model?.ExcursionGroupName);
var element = _excursionGroupStorage.GetElement(model!);
if (element == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
_logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
return element;
}
public bool Create(ExcursionGroupBindingModel model)
{
CheckModel(model);
if (_excursionGroupStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(ExcursionGroupBindingModel model)
{
CheckModel(model);
if (_excursionGroupStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(ExcursionGroupBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id: {Id}", model.Id);
if (_excursionGroupStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
private void CheckModel(ExcursionGroupBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.ExcursionGroupName))
{
throw new ArgumentNullException("Нет названия группы", nameof(model.ExcursionGroupName));
}
if (model.ParticipantsAmount <= 0)
{
throw new ArgumentNullException("Количество участников быть больше 0", nameof(model.ParticipantsAmount));
}
if (model.UserId <= 0)
{
throw new ArgumentNullException("Некорректный идентификатор пользователя", nameof(model.UserId));
}
_logger.LogInformation("ExcursionGroup. Id: {id}, ExcursionGroupName: {ExcursionGroupName}, ParticipantsAmount: {ParticipantsAmount}, UserId: {UserId}", model.Id, model.ExcursionGroupName, model.ParticipantsAmount, model.UserId);
var element = _excursionGroupStorage.GetElement(new ExcursionGroupSearchModel
{
ExcursionGroupName = model.ExcursionGroupName
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Группа с таким названием уже есть");
}
}
}
}