/// <summary>
/// Добавляет к аннотации загруженный файл
/// </summary>
/// <param name="eduAnnotation"></param>
/// <param name="uploadedFile"></param>
/// <returns></returns>
public async Task <EduAnnotation> UpdateEduAnnotationAsync(EduAnnotation eduAnnotation, IFormFile uploadedFile)
{
if (eduAnnotation == null || uploadedFile == null)
{
return(null);
}
FileModel fileModel = await _fileModelRepository.UploadEduAnnotationAsync(uploadedFile);
if (eduAnnotation.FileModelId != 0)
{
await _fileModelRepository.RemoveFileAsync(eduAnnotation.FileModelId);
}
eduAnnotation.FileModel = fileModel;
eduAnnotation.FileModelId = fileModel.Id;
if (eduAnnotation.EduAnnotationId == 0)
{
await _context.EduAnnotations.AddAsync(eduAnnotation);
}
await _context.SaveChangesAsync();
return(eduAnnotation);
}
/// <summary>
/// Удаляет аннотацию
/// </summary>
/// <param name="eduAnnotation"></param>
/// <returns></returns>
public async Task RemoveEduAnnotationAsync(EduAnnotation eduAnnotation)
{
_context.EduAnnotations.Remove(eduAnnotation);
await _fileModelRepository.RemoveFileAsync(eduAnnotation.FileModelId);
await _context.SaveChangesAsync();
}