// Construct the database and update it
public courseDatabase(ref userDatabase userDB)
{
this.crsLst = new List <course>();
string line;
System.IO.StreamReader input = new System.IO.StreamReader(@"..\..\courseDB.in");
while ((line = input.ReadLine()) != null)
{
string code = line.Substring(0, 10).Trim();
string title = line.Substring(11, 15).Trim();
string instructor = line.Substring(27, 10).Trim().ToLower();
string credit = line.Substring(38, 4).Trim();
int seats = Convert.ToInt32(line.Substring(43, 3).Trim());
int num_time_blocks = int.Parse(line.Substring(47, 1).Trim());
int index = 49;
List <string> BlockLst = new List <string>();
for (int i = 0; i < num_time_blocks; i++)
{
string time_block = line.Substring(index, 5);
BlockLst.Add(time_block);
index += 6;
}
course crs = new course(code, title, instructor, credit, seats, num_time_blocks, BlockLst);
crsLst.Add(crs);
faculty courseFac = userDB.getFaculty(instructor.Trim());
courseFac.nextSemesterCourses.Add(crs);
}
input.Close();
}
public facMainpage(string username, userDatabase usrDB, courseDatabase crsDB)
{
InitializeComponent();
this.usrDB = usrDB;
this.crsDB = crsDB;
fac = usrDB.getFaculty(username);
// Change texts
welcome.Text += fac.fname + " " + fac.lname;
// Create all the tables
createCrsLst();
createFacSch();
createAdviseeLst();
// Auto complete
foreach (course crs in crsDB.getCourseList())
{
crsIDBox.AutoCompleteCustomSource.Add(crs.crsID);
}
// Clear selection of tables
facSch.ClearSelection();
adviseeLst.ClearSelection();
}
// Change the database
public void removeCrs(string crsID, string filepath, ref userDatabase usrDB)
{
// Remove the course from the offering
course removedCrs = getCourse(crsID);
crsLst.Remove(removedCrs);
// Remove the course from students' schedule
List <student> enrolledStdLst = removedCrs.getStudents();
foreach (student std in enrolledStdLst)
{
std.dropCrsFromNext(removedCrs);
}
// Remove the course from faculties' schedule
faculty fac = usrDB.getFaculty(removedCrs.instructor);
fac.removeCrsFromNext(removedCrs);
////Updates the coursedb.in file to remove the removed course from it
//string[] courseLines = File.ReadAllLines(filepath);
//string[] newCourseLinesArr;
//List<string> newCourseLines = new List<string>();
//foreach (string courseString in courseLines)
//{
// string courseID = courseString.Substring(0, 10).Trim();
// //string courseID = courseString.Substring(4, 10);
// if (courseID == removedCrs.crsID.Trim())
// continue; // Skip the iteration if the course is being deleted
// else
// newCourseLines.Add(courseString);
// newCourseLinesArr = newCourseLines.ToArray();
// File.WriteAllLines(filepath, newCourseLinesArr);
//}
}