public List<Teacher> GetAllTeachers()
{
List<Teacher> teachers = new List<Teacher>();
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Person";
dbCon = new DbConnection();
comm.Connection = dbCon.GetConnection();
comm.Connection.Open();
comm.CommandType = CommandType.Text;
SqlDataReader dr = comm.ExecuteReader();
while (dr.Read())
{
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();
teachers.Add(teacher);
}
}
comm.Connection.Close();
return teachers;
}
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 Teacher GetTeacher(Person p)
{
comm = new SqlCommand();
comm.CommandText = "SELECT * FROM Teacher 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)
{
Teacher teacher = new Teacher();
teacher.Id = p.Id;
teacher.Name = p.Name;
teacher.Password = p.Password;
teacher.Phone = p.Phone;
teacher.UserName = p.UserName;
teacher.UserType = p.UserType;
teacher.Subject = Convert.ToString(dr["subject"]);
return teacher;
}
else
{
comm.Connection.Close();
return null;
}
}
public Object GetPerson(int id)
{
Person p = new Person();
p.Id = id;
PersonDb logDb = new PersonDb();
return logDb.GetPerson(p);
}
private Person BuildPerson(SqlDataReader dr)
{
Person pers = null;
try
{
pers = new Person();
pers.Id = Convert.ToInt32(dr["pid"]);
pers.Name = dr["name"].ToString();
pers.Phone = dr["phone"].ToString();
pers.Email = dr["email"].ToString();
pers.UserType = Convert.ToInt32(dr["userType"]);
if (pers.UserType == 1)
{
pers.Subject = dr["subject"].ToString();
}
else
{
pers.Grade = dr["grade"].ToString();
}
}
catch
{
throw;
}
return pers;
}
public Person Login(string UserName, string Password)
{
Person p = new Person();
p.UserName = UserName;
p.Password = Password;
PersonDb logDb = new PersonDb();
return logDb.Login(p);
}
public Person Login(string user, string password)
{
Person pers = new Person();
pers.User = user;
pers.Password = password;
persDb = new PersonDb();
return persDb.Login(pers);
}
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 Person Login(Person p)
{
string w = "username = '******' AND password = '******'";
Person pers = this.SingleWhere(w, false);
return pers;
}