/// <summary>
/// Обновляет задание СДО
/// </summary>
/// <param name="lmsTask"></param>
/// <param name="uploadedFile"></param>
/// <returns></returns>
public async Task UpdateLmsTaskAsync(LmsTask lmsTask, IFormFile uploadedFile)
{
if (lmsTask == null)
{
return;
}
if (uploadedFile != null)
{
if (lmsTask.LmsTaskJpgId != null)
{
if (lmsTask.LmsTaskJpg == null)
{
lmsTask.LmsTaskJpg = await _fileModelRepository.GetFileModelAsync(lmsTask.LmsTaskJpgId);
}
await _fileModelRepository.ReloadFileAsync(lmsTask.LmsTaskJpg, uploadedFile);
}
else
{
FileModel newFileModel = await _fileModelRepository.UploadLmsTaskJpg(uploadedFile);
if (newFileModel == null)
{
return;
}
lmsTask.LmsTaskJpgId = newFileModel.Id;
}
}
_context.LmsTasks.Update(lmsTask);
await _context.SaveChangesAsync();
}
/// <summary>
/// Добавляет к заданию СДО дисциплину
/// </summary>
/// <param name="lmsTask"></param>
/// <param name="disciplineNameId"></param>
/// <returns></returns>
public async Task AddLmsTaskDisciplineName(LmsTask lmsTask, int disciplineNameId)
{
foreach (var lmsTaskDisciplineName in lmsTask.LmsTaskDisciplineNames)
{
if (lmsTaskDisciplineName.DisciplineNameId == disciplineNameId)
{
return;
}
}
var newLmsTaskDisciplineName = new LmsTaskDisciplineName
{
DisciplineNameId = disciplineNameId
};
newLmsTaskDisciplineName.DisciplineName = await _context.DisciplineNames.SingleOrDefaultAsync(dn => dn.DisciplineNameId == disciplineNameId);
lmsTask.LmsTaskDisciplineNames.Add(newLmsTaskDisciplineName);
await _context.SaveChangesAsync();
}
/// <summary>
/// Добавляет новое задание в базу заданий СДО
/// </summary>
/// <param name="lmsTask"></param>
/// <param name="uploadedFile"></param>
/// <returns></returns>
public async Task AddLmsTask(LmsTask lmsTask, IFormFile uploadedFile)
{
if (lmsTask == null)
{
return;
}
if (uploadedFile != null)
{
FileModel newFileModel = await _fileModelRepository.UploadLmsTaskJpg(uploadedFile);
if (newFileModel == null)
{
return;
}
lmsTask.LmsTaskJpgId = newFileModel.Id;
}
_context.LmsTasks.Add(lmsTask);
await _context.SaveChangesAsync();
}
/// <summary>
/// Удаляет задание СДО
/// </summary>
/// <param name="lmsTask"></param>
/// <returns></returns>
public async Task RemoveLmsTaskAsync(LmsTask lmsTask)
{
if (lmsTask.LmsTaskAnswers != null)
{
foreach (var lmsTaskAnswer in lmsTask.LmsTaskAnswers)
{
if (lmsTaskAnswer.FileModelId != null)
{
if (lmsTaskAnswer.FileModel != null)
{
await _fileModelRepository.RemoveFileModelAsync(lmsTaskAnswer.FileModel);
}
else
{
await _fileModelRepository.RemoveFileAsync(lmsTaskAnswer.FileModelId);
}
}
}
}
if (lmsTask.LmsTaskJpgId != null)
{
if (lmsTask.LmsTaskJpg != null)
{
await _fileModelRepository.RemoveFileModelAsync(lmsTask.LmsTaskJpg);
}
else
{
await _fileModelRepository.RemoveFileAsync(lmsTask.LmsTaskJpgId);
}
}
_context.LmsTasks.Remove(lmsTask);
await _context.SaveChangesAsync();
}