CourseWork/University/UniversityBusinessLogic/BusinessLogics/PlanOfStudyLogic.cs

123 lines
4.5 KiB
C#
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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));
}
if (model.UserId < 0)
{
throw new ArgumentNullException("Некорректный идентификатор пользователя", nameof(model.UserId));
}
_logger.LogInformation("Student. Profile:{Profile}.FormOfStudy:{FormOfStudy}. UserId: {UserId}. Id: {Id}",
model.Profile, model.FormOfStudy, model.UserId, 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");
}
}
}
}