CourseWork/University/UniversityBusinessLogic/BusinessLogics/PlanOfStudyLogic.cs

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C#
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using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UniversityContracts.BindingModels;
using UniversityContracts.BusinessLogicsContracts;
using UniversityContracts.SearchModels;
using UniversityContracts.StorageContracts;
using UniversityContracts.ViewModels;
namespace UniversityBusinessLogic.BusinessLogics
{
public class PlanOfStudyLogic : IPlanOfStudyLogic
{
private readonly ILogger _logger;
private readonly IPlanOfStudyStorage _planOfStudyStorage;
public PlanOfStudyLogic(ILogger<StudentLogic> logger, IPlanOfStudyStorage
planOfStudyStorage)
{
_logger = logger;
_planOfStudyStorage = planOfStudyStorage;
}
public List<PlanOfStudyViewModel>? ReadList(PlanOfStudySearchModel? model)
{
_logger.LogInformation("ReadList. Profile: {Profile}.Id:{Id} ",
model?.Profile, model?.Id);
var list = model == null ? _planOfStudyStorage.GetFullList() :
_planOfStudyStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public PlanOfStudyViewModel? ReadElement(PlanOfStudySearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. Profile:{Profile}.Id:{Id}",
model.Profile, model.Id);
var element = _planOfStudyStorage.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(PlanOfStudyBindingModel model)
{
CheckModel(model);
if (_planOfStudyStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(PlanOfStudyBindingModel model)
{
CheckModel(model);
if (_planOfStudyStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(PlanOfStudyBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_planOfStudyStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
private void CheckModel(PlanOfStudyBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.Profile))
{
throw new ArgumentNullException("Нет названия профиля",
nameof(model.Profile));
}
if (string.IsNullOrEmpty(model.FormOfStudy))
{
throw new ArgumentNullException("Не указана форма обучения", nameof(model.FormOfStudy));
}
_logger.LogInformation("Student. Profile:{Profile}.FormOfStudy:{FormOfStudy}. Id: {Id}",
model.Profile, model.FormOfStudy, model.Id);
var element = _planOfStudyStorage.GetElement(new PlanOfStudySearchModel
{
Profile = model.Profile
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Данный план обучения уже существует");
}
}
}
}