public List <StudentCertificateDTO> FindStudentCertificatesByAuthor(int authorUserId)
{
try
{
return(StudentCertificatesViewRepository.GetMany(x => x.AuthorUserId == authorUserId).Select(x => x.Entity2StudentCertificateDto()).ToList());
}
catch (Exception ex)
{
Logger.Error("FindStudentCertificatesByAuthor " + authorUserId, CurrentUserId, ex, CommonEnums.LoggerObjectTypes.Certificate);
return(new List <StudentCertificateDTO>());
}
}
public StudentCertificateDTO GetStudentCertificate(Guid studentCertId)
{
try
{
return(StudentCertificatesViewRepository.Get(x => x.StudentCertificateId == studentCertId).Entity2StudentCertificateDto());
}
catch (Exception ex)
{
Logger.Error("GetStudentCertificate by id " + studentCertId, studentCertId, ex, CommonEnums.LoggerObjectTypes.Certificate);
return(new StudentCertificateDTO {
IsValid = false, Message = FormatError(ex)
});
}
}
public StudentCertificateDTO GetStudentCertificate(string key)
{
try
{
var decrypted = _encryptionServices.DecryptText(key);
var keys = decrypted.Split(Convert.ToChar(KEY_SEPARATOR));
if (keys.Count() != 3)
{
Logger.Warn("GetStudentCertificate by key " + key + ":: keys missing with count " + keys.Count(), CommonEnums.LoggerObjectTypes.Certificate);
return(new StudentCertificateDTO {
IsValid = false, Message = "Certificate not found"
});
}
Guid sid;
int userId;
int certid;
if (!Guid.TryParse(keys[0], out sid) || !int.TryParse(keys[1], out userId) || !int.TryParse(keys[2], out certid))
{
Logger.Warn("GetStudentCertificate by key " + key + ":: key not parsed", CommonEnums.LoggerObjectTypes.Certificate);
return(new StudentCertificateDTO {
IsValid = false, Message = "Certificate not found"
});
}
var certificate = StudentCertificatesViewRepository.Get(x => x.StudentCertificateId == sid && x.StudentUserId == userId && x.CertificateId == certid);
if (certificate == null)
{
Logger.Warn("GetStudentCertificate by key " + key + ":: student certificate not found", CommonEnums.LoggerObjectTypes.Certificate);
return(new StudentCertificateDTO {
IsValid = false, Message = "Certificate not found"
});
}
return(certificate.Entity2StudentCertificateDto());
}
catch (Exception ex)
{
Logger.Error("GetStudentCertificate by key " + key, null, ex, CommonEnums.LoggerObjectTypes.Certificate);
return(new StudentCertificateDTO {
IsValid = false, Message = "Certificate not found"
});
}
}
public StudentCertificateDTO GetStudentCertificate(int courseId, int userId)
{
try
{
var studentCertificate = StudentCertificatesViewRepository.Get(x => x.CourseId == courseId && x.StudentUserId == userId);
if (studentCertificate != null)
{
return(studentCertificate.Entity2StudentCertificateDto());
}
var certificateEntity = CertificateRepository.GetMany(x => x.CourseId == courseId).First();
if (certificateEntity == null)
{
Logger.Warn("GetStudentCertificate for course " + courseId + ":: certificate entity not found", CommonEnums.LoggerObjectTypes.Quiz);
return(new StudentCertificateDTO {
IsValid = false, Message = "certificate entity not found"
});
}
var studentCertificateEntity = certificateEntity.CertificateEntity2StudentCertificateEntity(userId);
StudentCertificatesRepository.Add(studentCertificateEntity);
string error;
return(StudentCertificatesRepository.UnitOfWork.CommitAndRefreshChanges(out error) ?
StudentCertificatesViewRepository.Get(x => x.CourseId == courseId && x.StudentUserId == userId).Entity2StudentCertificateDto() :
new StudentCertificateDTO {
IsValid = false, Message = error
});
}
catch (Exception ex)
{
Logger.Error("GetStudentCertificate for course " + courseId, userId, ex, CommonEnums.LoggerObjectTypes.Certificate);
return(new StudentCertificateDTO {
IsValid = false, Message = FormatError(ex)
});
}
}
