public void Add(TeacherSubjectRelationDTO relation)
{
if (relation == null)
{
throw new ValidationException("Связь не найдена", "");
}
TeacherSubjectRelation addingRelation =
AutoMap <TeacherSubjectRelationDTO, TeacherSubjectRelation>
.Map(relation);
Database.TeacherSubjectRelations.Add(addingRelation);
Database.Commit();
}
public TeacherSubjectRelation ValidateTeacherSubjectRelation(int?relationId)
{
if (relationId == null || relationId == 0)
{
throw new ValidationException("Задан неверный Id связи.", "");
}
TeacherSubjectRelation findingRelation =
_database.TeacherSubjectRelations
.GetById((int)relationId);
try
{
return(ValidateTeacherSubjectRelation(findingRelation));
}
catch (ValidationException)
{
throw;
}
}
public TeacherSubjectRelation ValidateTeacherSubjectRelation(TeacherSubjectRelation relation) =>
relation ?? throw new ValidationException("Связь не найдена", "");