public IActionResult EnrollPromote(EnrollPromoteRequest request)
{
EnrollPromoteResponse output = _service.Promote(request);
if (output != null)
{
return(Ok(output));
}
else
{
return(BadRequest("Bad request!!!"));
}
}
public EnrollPromoteResponse Promote(EnrollPromoteRequest request)
{
EnrollPromoteResponse response = null;
using (var connection = new SqlConnection("Data Source=db-mssql;Initial Catalog=s19088;Integrated Security=True"))
using (var command = new SqlCommand())
{
command.Connection = connection;
connection.Open();
var transaction = connection.BeginTransaction();
command.Transaction = transaction;
try
{
command.CommandText = "Execute PromoteStudents @nazwa, @semestr";
command.Parameters.AddWithValue("nazwa", request.StudiesName);
command.Parameters.AddWithValue("semestr", request.Semester);
var dr = command.ExecuteReader();//tu tak samo jak w poprzedniej metodzie
if (!dr.Read())
{
transaction.Rollback();
return(response);
}
int semestr = (int)dr["Semester"];
int idStudy = (int)dr["IdStudy"];
int IdEnrollment = (int)dr["IdEnrollment"];
System.DateTime date = (System.DateTime)dr["StartDate"];
transaction.Commit();
response = new EnrollPromoteResponse();
response.Semester = semestr;
response.StudiesName = request.StudiesName;
}
catch (SqlException ex)
{
transaction.Rollback();
}
return(response);
}
}
public EnrollPromoteResponse PromoteStudent(EnrollPromoteRequest request)
{
var response = new EnrollPromoteResponse();
using (var con = new SqlConnection(connection))
{
using (var com = new SqlCommand())
{
con.Open();
com.Connection = con;
com.CommandText = "SELECT * FROM Enrollment JOIN Studies ON enrollment.IdStudy=studies.IdStudy WHERE Name = @name AND Semester=@semester";
com.Parameters.AddWithValue("@name", request.Studies);
com.Parameters.AddWithValue("@semester", request.Semester);
var dr = com.ExecuteReader();
if (!dr.Read())
{
throw new NotImplementedException("Nie znaleziono danych");
}
dr.Close();
com.CommandType = System.Data.CommandType.StoredProcedure;
com.CommandText = "PromoteStudents";
com.Parameters.Clear();
com.Parameters.AddWithValue("@Studies", request.Studies);
com.Parameters.AddWithValue("@Semester", request.Semester);
com.ExecuteNonQuery();
}
}
response.Studies = request.Studies;
response.Semester = request.Semester + 1;
return(response);
}