public int Create(string code, string name, int universityId, int createdBy)
{
if (_lectureRepository.Table.Any(x =>
(x.LectureCode == code || x.LectureName == name) && x.LectureUniversityIdFk == universityId))
{
throw new LectureAlreadyExistsException();
}
if (!_userRepository.Table.Any(x =>
x.UserUniversityIdFk == universityId && x.UserIdPk == createdBy))
{
throw new UserNotFoundException();
}
var lecture = new LectureEntity
{
LectureCode = code,
LectureName = name,
LectureUniversityIdFk = universityId,
LectureCreatedByIdFk = createdBy
};
_lectureRepository.Insert(lecture);
_lectureRepository.SaveAll();
return(lecture.LectureIdPk);
}
private static LectureVm ToLectureVm(LectureEntity l)
{
var vm = new LectureVm()
{
FullText = WebUtility.HtmlEncode(l.FullText),
Id = l.Id,
Keywords = l.ImportantWords?.Split(',', StringSplitOptions.RemoveEmptyEntries).ToList(),
Summary = WebUtility.HtmlEncode(l.Summary),
Title = l.Title,
UploadDate = l.UploadTime
};
if (vm.Keywords == null || string.IsNullOrEmpty(vm.FullText))
{
return(vm);
}
vm.FullText = vm.FullText.Replace("\n", "</p><p>");
foreach (var keyword in vm.Keywords)
{
vm.FullText =
vm.FullText.Replace(keyword, "<span class='text-danger font-weight-bold'>" + keyword + "</span>");
if (!string.IsNullOrEmpty(vm.Summary))
{
vm.Summary =
vm.Summary.Replace(keyword,
"<span class='text-danger font-weight-bold'>" + keyword + "</span>");
}
}
return(vm);
}
public async Task UploadLecture(UploadLectureVm vm, IFormFile file, ClaimsPrincipal userClaims)
{
var user = await _userManager.GetUserAsync(userClaims);
if (user == null)
{
return;
}
var lecture = new LectureEntity()
{
Id = Guid.NewGuid(),
Title = vm.Title,
UploadTime = DateTime.Now,
User = user,
UserId = user.Id
};
var transcript = await _azureService.GetAudioTranscript(file);
lecture.FullText = transcript;
if (lecture.FullText == null)
{
return;
}
IEnumerable <string> keyPhrases = await _azureService.GetImportantWords(lecture.FullText);
lecture.ImportantWords = string.Join(',', keyPhrases);
var summary = await _summarizeService.GetSummary(lecture.FullText);
lecture.Summary = summary;
if (string.IsNullOrEmpty(summary))
{
lecture.Summary = lecture.FullText;
}
await _context.Lectures.AddAsync(lecture);
await _context.SaveChangesAsync();
}
