/// <summary>
/// Добавление учебного занятия в журнал
/// </summary>
/// <param name="elGradebook"></param>
/// <returns></returns>
public async Task AddElGradebookLessonAsync(ElGradebookLesson elGradebook)
{
if (elGradebook == null)
{
throw new ArgumentNullException();
}
if (elGradebook.ElGradebookId == 0)
{
throw new Exception("Не указан УИД электронного журнала!");
}
_context.Add(elGradebook);
await _context.SaveChangesAsync();
}
/// <summary>
/// Добавление в занятие электронного журнала списка студентов
/// </summary>
/// <param name="elGradebookLesson"></param>
/// <param name="elGradebookGroupStudents"></param>
/// <returns></returns>
public async Task AddElGradebookLessonMarksAsync(ElGradebookLesson elGradebookLesson, List <ElGradebookGroupStudent> elGradebookGroupStudents)
{
foreach (var student in elGradebookGroupStudents)
{
elGradebookLesson.ElGradebookLessonMarks.Add(
new ElGradebookLessonMark
{
ElGradebookGroupStudentId = student.ElGradebookGroupStudentId,
ElGradebookLessonAttendanceTypeId = 1
}
);
}
await _context.SaveChangesAsync();
}
/// <summary>
/// Обновляет учебное занятие
/// </summary>
/// <param name="elGradebookLesson"></param>
/// <returns></returns>
public async Task UpdateElGradebookLessonAsync(ElGradebookLesson elGradebookLesson)
{
if (elGradebookLesson == null)
{
throw new Exception("elGradebookLesson = null");
}
var entry = await GetElGradebookLessonAsync(elGradebookLesson.ElGradebookLessonId);
if (entry == null)
{
throw new KeyNotFoundException($"Объект типа ElGradebookLesson с ElGradebookLessonId = {elGradebookLesson.ElGradebookLessonId} не найден!");
}
if (entry.Date != elGradebookLesson.Date)
{
entry.Date = elGradebookLesson.Date;
}
if (entry.ElGradebookLessonTypeId != elGradebookLesson.ElGradebookLessonTypeId)
{
entry.ElGradebookLessonTypeId = elGradebookLesson.ElGradebookLessonTypeId;
}
if (entry.HoursNumber != elGradebookLesson.HoursNumber)
{
entry.HoursNumber = elGradebookLesson.HoursNumber;
}
if (entry.LessonTheme != elGradebookLesson.LessonTheme)
{
entry.LessonTheme = elGradebookLesson.LessonTheme;
}
await _context.SaveChangesAsync();
}
/// <summary>
/// Удаление учебного занятия из журнала
/// </summary>
/// <param name="elGradebookLesson"></param>
/// <returns></returns>
public async Task RemoveElGradebookLessonAsync(ElGradebookLesson elGradebookLesson)
{
_context.Remove(elGradebookLesson);
await _context.SaveChangesAsync();
}