private void btnRequest_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(combCourseName.Text)) //check if anything necessary is null
{
MessageBox.Show("Please select a course for the session.");
}
else if (string.IsNullOrWhiteSpace(combHours.Text) || string.IsNullOrWhiteSpace(combMins.Text))
{
MessageBox.Show("Please input values for the hours and minutes dropdown boxes");
}
else if (((Convert.ToInt32(combHours.Text) * 4 + (Convert.ToInt32(combMins.Text) / 15)) == 0) || //check that the appointment is between 15 minutes and 3 hours
((Convert.ToInt32(combHours.Text) * 4 + (Convert.ToInt32(combMins.Text) / 15)) > 12))
{
MessageBox.Show("Please input values for the hours and minutes that are between a length of 15 minutes and 3 hours");
}
else
{
bool weekly = cbxWeekly.Checked; //get whether this is weekly
DateTime start = DateTime.Now; //set start to now
TutorMasterDBEntities4 db = new TutorMasterDBEntities4(); //connect to database
string classCode = (from row in db.Classes where combCourseName.Text == row.ClassName select row.ClassCode).First(); //get the class code
var approvedTutorIds = (from row in db.StudentClasses.AsEnumerable() where classCode == row.ClassCode select row.ID).ToList(); //get all of the approved tutors
if (approvedTutorIds.Count() == 0)
{
MessageBox.Show("There are currently no tutors approved to tutor this course. Sorry.");
}
else
{
List <Commitment> tuteeCommits = (from stucmt in db.StudentCommitments.AsEnumerable() //get the tutee commitments
where stucmt.ID == id
join cmt in db.Commitments.AsEnumerable() on stucmt.CmtID equals cmt.CmtID
select cmt).ToList();
int sessionLength = Convert.ToInt32(combHours.Text) * 4 + (Convert.ToInt32(combMins.Text) / 15); //get the number of 15 minute time blocks of the session
SortsAndSearches.QuickSort(ref tuteeCommits, tuteeCommits.Count()); //sort the tutee commit list
checkMax(ref tuteeCommits); //check if there are any 3 hour time blocks
removeNotOpens(ref tuteeCommits, start, weekly); //remove the commitments that are not open
if (tuteeCommits.Count == 0)
{
MessageBox.Show("You currently have no available slots, please add some availability before attempting to schedule a session of this length");
}
else
{
List <string> tuteeValidSlots = getValidSlots(ref tuteeCommits, sessionLength); //get the tutee's valid time slots for the length of the session we're looking for
bool done = false;
for (int i = 0; i < approvedTutorIds.Count(); i++) //go through each tutor in the approved tutor list
{
if (approvedTutorIds[i] != id) //don't let a tutor tutor him/herself
{
var tutorFirstName = (from row in db.Users.AsEnumerable() where row.ID == approvedTutorIds[i] select row.FirstName).First();
var tutorLastName = (from row in db.Users.AsEnumerable() where row.ID == approvedTutorIds[i] select row.LastName).First();
List <TutorMaster.Commitment> tutorCommits = (from stucmt in db.StudentCommitments.AsEnumerable() //get the tutor's commitments
where stucmt.ID == approvedTutorIds[i]
join cmt in db.Commitments.AsEnumerable() on stucmt.CmtID equals cmt.CmtID
select cmt).ToList();
SortsAndSearches.QuickSort(ref tutorCommits, tutorCommits.Count()); //sort them
checkMax(ref tutorCommits); //check for 3 tutoring blocks
removeNotOpens(ref tutorCommits, start, weekly); //remove the not opens
List <string> tutorValidSlots = getValidSlots(ref tutorCommits, sessionLength); //get the valid time slots for the tutors
for (int j = 0; j < tutorValidSlots.Count(); j++) //iterate through the valid tutor time slots
{
if (SortsAndSearches.BinarySearch(tuteeValidSlots, tutorValidSlots[j])) //see if the tutorvalid slot is in the tutee list
{ //if it is, ask the user if they'd this appointment
DialogResult choice = MessageBox.Show("You have been matched with " + tutorFirstName + " " + tutorLastName +
" for a time at: " + tutorValidSlots[j].Split(',')[0] + " - " + tutorValidSlots[j].Split(',')[1], "You've got a match!", MessageBoxButtons.YesNo);
if (choice == DialogResult.Yes) //if they say yes, get their ids and add the commitments to their schedules
{
int tutorId = Convert.ToInt32(approvedTutorIds[i]);
int tuteeId = Convert.ToInt32(id);
addCommits(tutorValidSlots[j], tutorId, tuteeId, tutorCommits, tuteeCommits, classCode, db, weekly, sessionLength);
done = true;
break;
}
else if (choice == DialogResult.No) //if no, break out of this loop and repeat the same process with another approved tutor if there is one
{
break;
}
}
}
if (done) //if they picked this tutor and we're done, break out of this large for loop
{
break;
}
}
}
if (!done) //if we go through every tutor and do not pick one, put the message up
{
MessageBox.Show("There are no more tutors that meet your request requirements.");
}
}
StudentMain g = new StudentMain(id); //return to student main
g.Show();
this.Dispose();
}
}
}
//Match Function and it's helpers
private void MatchTimes(ComboBox TutBox, ComboBox ClsBox)
{
TutorMasterDBEntities4 db = new TutorMasterDBEntities4();
lvAvailableTimes.Items.Clear();
lvAvailableTimes.Hide();
//a. Name of Tutor, use it to find their ID
int TutID = tutorIDs[TutBox.SelectedIndex];
//b. Length of tutoring session in minutes
int length = Convert.ToInt32(combStartHour.Text) * 4 + (Convert.ToInt32(combStartMinute.Text) / 15);
//c. whether it is weekly
bool weekly = cbxWeekly.Checked;
//d. tutee ID (ACCID), use to match the availiblity
int TuteeID = ACCID;
DateTime start = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 0, 0, 0);
string classCode = (from row in db.Classes where row.ClassName == ClsBox.Text select row.ClassCode).First();
List <Commitment> tuteeCommits = (from stucmt in db.StudentCommitments.AsEnumerable() // create a list of tutee's commitments
where stucmt.ID == TuteeID
join cmt in db.Commitments.AsEnumerable() on stucmt.CmtID equals cmt.CmtID
select cmt).ToList();
SortsAndSearches.QuickSort(ref tuteeCommits, tuteeCommits.Count()); //sort the tutee commits so that they are in chronological order
checkMax(ref tuteeCommits);
removeNotOpens(ref tuteeCommits, start, weekly); //remove all the things that are not open
if (tuteeCommits.Count == 0) //If the tuttee doesn't have any compatible availibility then give a pop up box to let them know
{
MessageBox.Show("You currently have no available slots, please add some availability before attempting to schedule a session of this length");
}
else
{
List <string> tuteeValidSlots = getValidSlots(ref tuteeCommits, length); //this is returning 0 for some reason
List <TutorMaster.Commitment> tutorCommits = (from stucmt in db.StudentCommitments.AsEnumerable() //This creates a list of all the tutor commitments.
where stucmt.ID == TutID
join cmt in db.Commitments.AsEnumerable() on stucmt.CmtID equals cmt.CmtID
select cmt).ToList();
SortsAndSearches.QuickSort(ref tutorCommits, tutorCommits.Count()); //sort it so we can use it
checkMax(ref tutorCommits);
removeNotOpens(ref tutorCommits, start, weekly); //remove the occupied commitments
List <string> tutorValidSlots = getValidSlots(ref tutorCommits, length); //create a list of all the valid tutor slots
int numMatches = 0;
lvAvailableTimes.Show();
for (int j = 0; j < tutorValidSlots.Count(); j++) //iterate through all the available tutor slots
{
if (SortsAndSearches.BinarySearch(tuteeValidSlots, tutorValidSlots[j]))
{
//add all the slots to the tutor availibility timeslot
ListViewItem item = new ListViewItem(new string[] { tutorValidSlots[j].Split(',')[0], tutorValidSlots[j].Split(',')[1] });
lvAvailableTimes.Items.Add(item);//adds the time slot to the combo box
numMatches++;
}
}
if (numMatches == 0)
{
MessageBox.Show("This Tutor has no matching availibility.");
}
btnSendRequest.Click += (sender, e) => btnSendRequest_Click(sender, e, tutorValidSlots, TutID, TuteeID, tutorCommits, tuteeCommits, classCode, db, weekly, length);
}
}
public static bool weeklyAndFound(Commitment commit, List <DateTime> searchList)
{//this function checks if a commitment is weekly and found in the commitment list
return(commit.Weekly == true && SortsAndSearches.BinarySearch(searchList, Convert.ToDateTime(commit.StartTime)));
}
private void loadMatchingTimeSlots()
{
TutorMasterDBEntities4 db = new TutorMasterDBEntities4();
bool weekly = cbWeekly.Checked;
if (rememberStudIDs.Count == 0) //if there are no valid students, print this message
{
MessageBox.Show("There are currently no students available for this course");
}
else
{
DateTime start = DateTime.Now;
string classCode = (from row in db.Classes where cbxClasses.Text == row.ClassName select row.ClassCode).First(); //get the classcode
int sessionLength = Convert.ToInt32(cbxHour.Text) * 4 + (Convert.ToInt32(cbxMinutes.Text) / 15); //calculate session length from the hour and minute dropdowns
if (sessionLength > 12 || sessionLength == 0) //make sure the length is of the appropriate size
{
MessageBox.Show("Please pick a session legnth between 15 minutes and 3 hours.");
}
else
{
List <TutorMaster.Commitment> studentCommits = (from stucmt in db.StudentCommitments.AsEnumerable()
where stucmt.ID == id
join cmt in db.Commitments.AsEnumerable() on stucmt.CmtID equals cmt.CmtID
select cmt).ToList(); //get all of the signed in student's commitments
SortsAndSearches.QuickSort(ref studentCommits, studentCommits.Count); //sort them
removeNotOpens(ref studentCommits, start, weekly); //remove the not opens
if (studentCommits.Count == 0) //if the student we are signed in on has no open slots, print this message
{
MessageBox.Show("The student you are trying to create an appointment for currently has no open time slots with which to make an appointment.");
}
else
{
List <string> studentValidSlots = getValidSlots(ref studentCommits, sessionLength); //get all the slots of the appropriate length
int partnerId = rememberStudIDs[cbxStudents.SelectedIndex]; //get the chosen partner id
List <TutorMaster.Commitment> partnerCommits = (from stucmt in db.StudentCommitments.AsEnumerable()
where stucmt.ID == partnerId
join cmt in db.Commitments.AsEnumerable() on stucmt.CmtID equals cmt.CmtID
select cmt).ToList();
SortsAndSearches.QuickSort(ref partnerCommits, partnerCommits.Count); //sort the partner's commitments
removeNotOpens(ref partnerCommits, start, weekly); //remove the not opens
if (partnerCommits.Count == 0) //make sure they have some open available time
{
MessageBox.Show("The chosen partner currently has no open time slots with which to make an appointment.");
}
else
{
List <string> tuteeValidSlots = getValidSlots(ref partnerCommits, sessionLength); //get every possible valid slot
for (int c = 0; c < studentValidSlots.Count(); c++)
{
if (SortsAndSearches.BinarySearch(tuteeValidSlots, studentValidSlots[c])) //look for overlaps and then add them to the listview
{
lvTimeMatches.Items.Add(new ListViewItem(new string[] { studentValidSlots[c].Split(',')[0], studentValidSlots[c].Split(',')[1] }));
}
}
}
}
}
}
}
private void deleteAvail(bool week)
{
TutorMasterDBEntities4 db = new TutorMasterDBEntities4(); //connect to the database
List <Commitment> cmtList = (from stucmt in db.StudentCommitments //get the student's commitments
where stucmt.ID == id
join cmt in db.Commitments on stucmt.CmtID equals cmt.CmtID
select cmt).ToList();
SortsAndSearches.QuickSort(ref cmtList, cmtList.Count()); //sort the list by DateTime
List <DateTime> searchList = new List <DateTime>();
searchList = getStartTimes(); //get the starttimes from the listview
if (week)
{
for (int i = 0; i < cmtList.Count(); i++)
{
if (SortsAndSearches.BinarySearch(searchList, Convert.ToDateTime(cmtList[i].StartTime)))
{
if (cmtList[i].Weekly == true)
{ //ask the user if they want to delete the weekly commitment through the end of the semester
DateTime endSemes = new DateTime(2017, 5, 1, 0, 0, 0); //get end of semester
DateTime weekForward = Convert.ToDateTime(cmtList[i].StartTime).AddDays(7); //go a week forward
while (DateTimeMethods.endOfSemesIsLater(endSemes, weekForward)) //if the end of the semester is later than our commitment start Time
{ //run a binary search
bool found = false;
int first = 0;
int last = cmtList.Count() - 1;
while (first <= last && !found)
{
int midpoint = (first + last) / 2;
if (DateTimeMethods.sameTime(cmtList[midpoint], weekForward)) //if commitment time and weekforward time are the same
{
if (cmtList[midpoint].Open == true) //and if the midpoint commitment is open
{
db.Commitments.DeleteObject(cmtList[midpoint]); //delete the commitment from the database
cmtList.Remove(cmtList[midpoint]); //remove it from the commit list as well
db.SaveChanges();
}
found = true; //say we found what we were looking for
break; //break out of the search
}
else
{
if (DateTimeMethods.forwardEarlierThanStart(weekForward, cmtList[midpoint]))
{
last = midpoint - 1;
}
else
{
first = midpoint + 1;
}
}
}
weekForward = weekForward.AddDays(7);
}
}
searchList.Remove(Convert.ToDateTime(cmtList[i].StartTime));
db.Commitments.DeleteObject(cmtList[i]);
i--;
db.SaveChanges();
}
}
MessageBox.Show("The checked 15 minute time blocks have been removed from your availability until the end of the semster.");
}
else
{
for (int i = 0; i < cmtList.Count(); i++)
{
if (SortsAndSearches.BinarySearch(searchList, Convert.ToDateTime(cmtList[i].StartTime)))
{
searchList.Remove(Convert.ToDateTime(cmtList[i].StartTime));
db.Commitments.DeleteObject(cmtList[i]);
i--;
db.SaveChanges();
}
}
MessageBox.Show("Only the checked 15 minute time blocks have been removed from your availability.");
}
}