public ObservableCollection<Student> GetStaffSupervisions(Researcher researcher)
{
if (researcher is Staff)
{
var staff = researcher as Staff;
return new ObservableCollection<Student>(staff.Supervisions);
}
return new ObservableCollection<Student>();
}
public IEnumerable<Publication> FetchBasicPublicationDetails(Researcher r)
{
var publications = new List<Publication>();
MySqlDataReader rdr = null;
try
{
conn.Open();
MySqlCommand cmd = new MySqlCommand("select p.* from publication p join researcher_publication rp on p.doi=rp.doi where rp.researcher_id=?id order by year desc, title", conn);
cmd.Parameters.AddWithValue("id", r.Id);
rdr = cmd.ExecuteReader();
while (rdr.Read())
{
publications.Add(new Publication
{
DOI = rdr.GetString(0),
Title = rdr.GetString(1),
Authors = rdr.GetString(2),
Year = rdr.GetString(3),
Type = (OutputType)Enum.Parse(typeof(OutputType), rdr.GetString(4)),
CiteAs = rdr.GetString(5),
Available = rdr.GetDateTime(6)
});
}
}
catch (MySqlException e)
{
throw new Exception("loading staff", e);
}
finally
{
if (rdr != null)
{
rdr.Close();
}
if (conn != null)
{
conn.Close();
}
}
return publications;
}
public Researcher CompleteResearcherDetails(Researcher r)
{
return null;
}
private void PopulateResearcher(MySqlDataReader rdr, Researcher researcher)
{
researcher.Id = rdr.GetInt32("id");
researcher.GivenName = rdr.GetString("given_name");
researcher.FamilyName = rdr.GetString("family_name");
researcher.Title = rdr.GetString("title");
researcher.Unit = rdr.GetString("unit");
researcher.Campus = rdr.GetString("campus");
researcher.PhotoUrl = rdr.GetString("photo");
researcher.Email = rdr.GetString("email");
researcher.utas_start = rdr.GetDateTime("utas_start");
researcher.current_start = rdr.GetDateTime("current_start");
}
public Researcher FetchFullResearcherDetails(Researcher researcher)
{
MySqlDataReader rdr = null;
bool isEmpty = true;
try
{
conn.Open();
MySqlCommand cmd = new MySqlCommand("select * from researcher where id=?id", conn);
cmd.Parameters.AddWithValue("id", researcher.Id);
using (rdr = cmd.ExecuteReader())
{
if (rdr.Read())
{
if (researcher is Student)
{
var student = researcher as Student;
student.Degree = rdr.GetString("degree");
student.Supervisor = new Staff { Id = rdr.GetInt32("supervisor_id") };
}
else
{
var staff = researcher as Staff;
staff.currentLevel = (EmploymentLevel)Enum.Parse(typeof(EmploymentLevel), rdr.GetString("level"));
}
PopulateResearcher(rdr, researcher);
isEmpty = false;
}
}
if (isEmpty) return null;
if (researcher is Student)
{
var student = researcher as Student;
cmd = new MySqlCommand("select * from researcher where id=?id", conn);
cmd.Parameters.AddWithValue("id", student.Supervisor.Id);
using (rdr = cmd.ExecuteReader())
{
if (rdr.Read())
{
PopulateStaff(rdr, student.Supervisor);
}
}
}
else
{
var staff = researcher as Staff;
cmd = new MySqlCommand("select * from researcher where supervisor_id=?id", conn);
cmd.Parameters.AddWithValue("id", staff.Id);
using (rdr = cmd.ExecuteReader())
{
staff.Supervisions.Clear();
while (rdr.Read())
{
var student = new Student();
PopulateStudent(rdr, student);
student.Supervisor = staff;
staff.Supervisions.Add(student);
}
}
}
cmd = new MySqlCommand("select * from position where id=?id order by start", conn);
cmd.Parameters.AddWithValue("id", researcher.Id);
using (rdr = cmd.ExecuteReader())
{
researcher.AllPositions.Clear();
while (rdr.Read())
{
researcher.AllPositions.Add(new Position
{
Level = (EmploymentLevel)Enum.Parse(typeof(EmploymentLevel), rdr.GetString("level")),
start = rdr.IsDBNull(rdr.GetOrdinal("start")) ? (DateTime?)null : rdr.GetDateTime("start"),
end = rdr.IsDBNull(rdr.GetOrdinal("end")) ? (DateTime?)null : rdr.GetDateTime("end")
});
}
}
cmd = new MySqlCommand("select p.* from publication p join researcher_publication rp on p.doi=rp.doi where rp.researcher_id=?id order by year desc, title", conn);
cmd.Parameters.AddWithValue("id", researcher.Id);
using (rdr = cmd.ExecuteReader())
{
researcher.AllPublications.Clear();
while (rdr.Read())
{
var id = rdr.GetString(4);
researcher.AllPublications.Add(new Publication
{
DOI = rdr.GetString(0),
Title = rdr.GetString(1),
Authors = rdr.GetString(2),
Year = rdr.GetString(3),
Type = (OutputType)Enum.Parse(typeof(OutputType), rdr.GetString(4)),
CiteAs = rdr.GetString(5),
Available = rdr.GetDateTime(6),
Age = DateTime.Now.Subtract(rdr.GetDateTime(6)).Days.ToString() + " Days"
});
}
}
}
catch (MySqlException e)
{
throw new Exception("loading staff", e);
}
finally
{
if (rdr != null)
{
rdr.Close();
}
if (conn != null)
{
conn.Close();
}
}
return researcher;
}
public Researcher LoadReseacherDetails(Researcher researcher)
{
if (researcher == null) return null;
return adapter.FetchFullResearcherDetails(researcher);
}
public ObservableCollection<dynamic> GetCumulativeCount(Researcher researcher)
{
if (researcher == null) return new ObservableCollection<dynamic>();
var cumulativeCount = researcher.AllPublications.GroupBy(x => x.Year).Select(x => new { year = x.FirstOrDefault().Year, count = x.Count() }).OrderBy(x=>x.year);
return new ObservableCollection<dynamic>(cumulativeCount);
}
