//(INSERT) Veri Tabanına veri eklemimizisağlayan method
public void InsertStudentCourseData(StudentCourse scoreList)
{
_command.CommandType = CommandType.StoredProcedure;
_command.CommandText = "sp_InsertStudentScore";
_command.Parameters.Clear();
_command.Parameters.AddWithValue("@course", scoreList.Course);
_command.Parameters.AddWithValue("@studentNumber", scoreList.StudentNumber);
_command.Parameters.AddWithValue("@midterm1", scoreList.Midterm1);
_command.Parameters.AddWithValue("@midterm2", scoreList.Midterm2);
_command.Parameters.AddWithValue("@midterm3", scoreList.Midterm3);
_command.Parameters.AddWithValue("@final", scoreList.Final);
try
{
if (_command.Connection.State == ConnectionState.Closed)
{
_command.Connection.Open();
}
_command.ExecuteNonQuery();
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter(path + @"\errors.txt", true))
{
writer.WriteLine("DB Ado Insert Hata Mesajı {0}", ex.Message);
writer.Close();
}
}
finally
{
_command.Connection.Close();
}
}
//(GETALLDATA)Veri Tabanından bütün Nesnelerimizi getirmemizi sağlayan method
public List <StudentCourse> GetAllStudentCourseData()
{
List <StudentCourse> studentList = new List <StudentCourse>();
_command.CommandText = "sp_GetAllStudentScore";
_command.CommandType = CommandType.StoredProcedure;
_command.Parameters.Clear();
try
{
if (_command.Connection.State == System.Data.ConnectionState.Closed)
{
_command.Connection.Open();
}
SqlDataReader reader = _command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
StudentCourse studentCou = new StudentCourse();
studentCou.ID = (int)reader[0];
studentCou.Course = Convert.ToString(reader[1]);
studentCou.StudentNumber = Convert.ToString(reader[2]);
studentCou.Midterm1 = Convert.ToString(reader[3]);
studentCou.Midterm2 = Convert.ToString(reader[4]);
studentCou.Midterm3 = Convert.ToString(reader[5]);
studentCou.Final = Convert.ToString(reader[6]);
studentList.Add(studentCou);
}
}
else
{
return(studentList);
}
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter(path + @"\errors.txt", true))
{
writer.WriteLine("DB Ado GetAll Hata Mesajı {0}", ex.Message);
writer.Close();
}
}
finally
{
_command.Connection.Close();
}
return(studentList);
}
//(GETONEDATA)Veri Tabanından id'ye göre bir tane Nesne getirmemizi sağlayan method
public StudentCourse GetOneStudentCourseData(int id)
{
_command.CommandType = CommandType.StoredProcedure;
_command.CommandText = "sp_GetStudentScore";
_command.Parameters.Clear();
_command.Parameters.AddWithValue("@id", id);
StudentCourse courseScore = new StudentCourse();
try
{
if (_command.Connection.State == ConnectionState.Closed)
{
_command.Connection.Open();
}
SqlDataReader reader = _command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
courseScore.ID = (int)reader[0];
courseScore.Course = reader[1].ToString();
courseScore.StudentNumber = reader[2].ToString();
courseScore.Midterm1 = reader[3].ToString();
courseScore.Midterm2 = reader[4].ToString();
courseScore.Midterm3 = reader[5].ToString();
courseScore.Final = reader[6].ToString();
}
}
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter(path + @"\errors.txt", true))
{
writer.WriteLine("DB Ado Get Hata Mesajı {0}", ex.Message);
writer.Close();
}
}
finally
{
_command.Connection.Close();
}
return(courseScore);
}
//Veri Tabanı ve CSV'den gelen verileri karşılaştıran ve çoklananlardan yeni
//gelen datayı güncelleyip diğerlerini DB'ye ekleyen method.
private void CompareWithMultipleScores(List <StudentCourse> csvScoreList)
{
try
{
List <StudentCourse> allStudentsScores = GetAllStudentCourseData();
//Burada yeni gelen CSV dosyamız ve Database'den gelen Datalar karşılaştırılarak
//Dersismi ve OkulNumarası aynı ise yeni gelen data yı Update yapmasını sağladım.
//Update yaptıktan sonra Csv Listesinden Sildim.
foreach (StudentCourse csvScoreItem in csvScoreList.ToList())
{
foreach (StudentCourse dataScoreItem in allStudentsScores)
{
if (csvScoreItem.Course == dataScoreItem.Course && csvScoreItem.StudentNumber == dataScoreItem.StudentNumber)
{
StudentCourse getStudentScore = GetOneStudentCourseData((int)dataScoreItem.ID);
getStudentScore.ID = dataScoreItem.ID;
getStudentScore.Course = csvScoreItem.Course;
getStudentScore.StudentNumber = csvScoreItem.StudentNumber;
getStudentScore.Midterm1 = csvScoreItem.Midterm1;
getStudentScore.Midterm2 = csvScoreItem.Midterm2;
getStudentScore.Midterm3 = csvScoreItem.Midterm3;
getStudentScore.Final = csvScoreItem.Final;
UpdateStudentCourseData(getStudentScore);
csvScoreList.Remove(csvScoreItem);
}
}
}
//Update Yapılanlar silindikten sonra temiz olan veriyi teker teker DB'ye ekledim.
foreach (var singleCsvItem in csvScoreList.ToList())
{
InsertStudentCourseData(singleCsvItem);
}
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter(path + @"\errors.txt", true))
{
writer.WriteLine("CompareWith Hata Mesajı {0}", ex.Message);
writer.Close();
}
}
}
//Dosyamız Oluştuğu an bütün işlemleri yapan ana Method.
public void FileCreated()
{
try
{
foreach (var file in Directory.GetFiles(path))
{
if (Path.GetExtension(file) != ".csv")
{
continue;
}
DataTable dataTable = CsvFileDataTable(file, ",");
List <StudentCourse> stuCourseList = new List <StudentCourse>();
foreach (DataRow item in dataTable.Rows)
{
StudentCourse stCourse = new StudentCourse();
stCourse.Course = item[0].ToString();
stCourse.StudentNumber = item[1].ToString();
stCourse.Midterm1 = item[2].ToString();
stCourse.Midterm2 = item[3].ToString();
stCourse.Midterm3 = item[4].ToString();
stCourse.Final = item[5].ToString();
stuCourseList.Add(stCourse);
}
CompareWithMultipleScores(stuCourseList);
System.IO.File.Delete(file);
}
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter(@"\errors.txt", true))
{
writer.WriteLine("CSV FileWatch Hata Mesajı {0}", ex.Message);
writer.Close();
}
}
}
