public Child GetChild(Person p)
{
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Child WHERE pid=(@pid)";
comm.Parameters.AddWithValue("pid", p.Id);
dbCon = new DbConnection();
comm.Connection = dbCon.GetConnection();
comm.Connection.Open();
comm.CommandType = CommandType.Text;
SqlDataReader dr = comm.ExecuteReader();
if (dr.Read() && dr.HasRows)
{
Child child = new Child();
child.Email = p.Email;
child.Id = p.Id;
child.Name = p.Name;
child.Password = p.Password;
child.Phone = p.Phone;
child.UserName = p.UserName;
child.UserType = p.UserType;
child.Grade = dr["grade"].ToString();
return child;
}
else
{
comm.Connection.Close();
return null;
}
}
public Object GetPerson(Person p)
{
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Person WHERE pid=(@personId)";
comm.Parameters.AddWithValue("personId", p.Id);
dbCon = new DbConnection();
comm.Connection = dbCon.GetConnection();
comm.Connection.Open();
comm.CommandType = CommandType.Text;
SqlDataReader dr = comm.ExecuteReader();
if (dr.Read() && dr.HasRows)
{
Person pers = new Person();
pers.UserType = Convert.ToInt32(dr["userType"]);
if (pers.UserType == 1)
{
Teacher teacher = new Teacher();
teacher.Id = Convert.ToInt32(dr["pid"]);
teacher.Name = dr["name"].ToString();
teacher.Email = dr["email"].ToString();
teacher.Phone = dr["phone"].ToString();
teacher.Subject = dr["subject"].ToString();
comm.Connection.Close();
return teacher;
}
else
{
Child child = new Child();
child.Id = Convert.ToInt32(dr["pid"]);
child.Name = dr["name"].ToString();
child.Email = dr["email"].ToString();
child.Phone = dr["phone"].ToString();
child.Grade = dr["grade"].ToString();
comm.Connection.Close();
return child;
}
}
else
{
comm.Connection.Close();
return null;
}
}
public List<Homework> GetAllHomeworksByChildId(int childId)
{
List<Homework> hwList = new List<Homework>();
try
{
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Homework WHERE childId = " + childId;
dbCon = new DbConnection();
comm.Connection = dbCon.GetConnection();
comm.Connection.Open();
comm.CommandType = CommandType.Text;
SqlDataReader dr = comm.ExecuteReader();
while (dr.Read())
{
Homework hw = new Homework();
hw.DiskName = dr["diskName"].ToString();
hw.Date = Convert.ToDateTime(dr["date"]);
Child child = new Child();
child.Id = Convert.ToInt32(dr["childId"]);
hw.Child = child;
hwList.Add(hw);
}
}
catch (Exception)
{
throw;
}
finally
{
comm.Connection.Close();
}
return hwList;
}
public ListForObjects GetAllHomeworksById(int assignmentId)
{
ListForObjects homeworkList = new ListForObjects();
try
{
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Homework WHERE assignmentId = " + assignmentId;
dbCon = new DbConnection();
comm.Connection = dbCon.GetConnection();
comm.Connection.Open();
comm.CommandType = CommandType.Text;
SqlDataReader dr = comm.ExecuteReader();
while (dr.Read())
{
Homework h = new Homework();
h.Id = Convert.ToInt32(dr["hid"]);
Assignment a = new Assignment();
a.Id = Convert.ToInt32(dr["assignmentId"]);
h.Assignment = a;
Child c = new Child();
c.Id = Convert.ToInt32(dr["childId"]);
h.Child = c;
h.Date = Convert.ToDateTime(dr["date"]);
h.DiskName = Convert.ToString(dr["diskName"]);
homeworkList.AddObj(h);
}
}
catch (Exception)
{
throw;
}
finally
{
comm.Connection.Close();
}
return homeworkList;
}
public Homework GetHomeworkById(int id)
{
try
{
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Homework WHERE hid = " + id;
dbCon = new DbConnection();
comm.Connection = dbCon.GetConnection();
comm.Connection.Open();
comm.CommandType = CommandType.Text;
SqlDataReader dr = comm.ExecuteReader();
while (dr.Read())
{
Homework h = new Homework();
h.Id = Convert.ToInt32(dr["hid"]);
Assignment a = new Assignment();
a.Id = Convert.ToInt32(dr["aid"]);
h.Assignment = a;
Child c = new Child();
c.Id = Convert.ToInt32(dr["childId"]);
h.Child = c;
h.Date = Convert.ToDateTime(dr["date"]);
h.DiskName = Convert.ToString(dr["diskName"]);
return h;
}
}
catch (Exception)
{
throw;
}
finally
{
comm.Connection.Close();
}
return null;
}
