public function update($id, Requests\EditProfileRequest $request)
{
$requestArray = $request->all();
$teamStyle = \App\userPreferredTeamStyle::where('userID', $id);
$teamStyle->update(['teamStyle' => $requestArray['teamStyles']]);
$language = \App\userKnownLanguages::where('userID', $id);
$language->update(['languageName' => $requestArray['languages']]);
\App\userCourseTaken::where('userID', $id)->delete();
if (array_key_exists('course261', $requestArray)) {
\App\userCourseTaken::create(['userID' => $id, 'courseCode' => 261]);
}
if (array_key_exists('course262', $requestArray)) {
\App\userCourseTaken::create(['userID' => $id, 'courseCode' => 262]);
}
if (array_key_exists('course306', $requestArray)) {
\App\userCourseTaken::create(['userID' => $id, 'courseCode' => 306]);
}
if (array_key_exists('course406', $requestArray)) {
\App\userCourseTaken::create(['userID' => $id, 'courseCode' => 406]);
}
return redirect('/home');
}
public function redoAssignments(Requests\RedoTeamAssignmentRequest $request)
{
$minTeamSize = $request->all()['min'];
$maxTeamSize = $request->all()['max'];
// Return to teams page if form was empty
if ($minTeamSize == "" || $maxTeamSize == "") {
return redirect('/teams');
}
// max must be greater than min for team assignments to work
if (!($minTeamSize < $maxTeamSize)) {
return redirect('/teams');
}
// Create array of student IDs
$studentIDs = \App\User::leftJoin('UserRole', 'users.id', '=', 'UserRole.userID')->where('role', 'student')->get()->pluck('id')->toArray();
// max must be less than the number of students
if (!($minTeamSize <= count($studentIDs))) {
return redirect('/teams');
}
// Sort students by the number of courses they have taken.
$sortedStudentIDs = array();
for ($i = 0; $i <= 4; $i++) {
foreach ($studentIDs as $studentID) {
$coursesTaken = \App\userCourseTaken::where('userID', $studentID)->get()->toArray();
if (count($coursesTaken) == $i) {
array_push($sortedStudentIDs, $studentID);
}
}
}
// Create an array to store the appropriate number of teams
$teams = array();
$maxNumberOfTeams = floor(count($studentIDs) / $minTeamSize);
$teams = array_fill(0, $maxNumberOfTeams, array_fill(0, $maxTeamSize, -1));
// Place each student in a team using the following priorities:
// - 1 - try to place student in team with matching language and team style
// - 2 - try to place student in team with matching language
// - 3 - try to place student in a brand new team
// - 4 - try to place student in a team with matching team style
// - 5 - place the student anywhere
foreach ($sortedStudentIDs as $studentID) {
$studentPlaced = false;
$studentLanguage = \App\userKnownLanguages::where('userID', $studentID)->get()->pluck('languageName')->toArray()[0];
$studentStyle = \App\userPreferredTeamStyle::where('userID', $studentID)->get()->pluck('teamStyle')->toArray()[0];
// language + team style
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][0] == -1) {
continue;
}
$teamLanguage = \App\userKnownLanguages::where('userID', $teams[$team][0])->get()->pluck('languageName')->toArray()[0];
$teamStyle = \App\userPreferredTeamStyle::where('userID', $teams[$team][0])->get()->pluck('teamStyle')->toArray()[0];
if ($studentLanguage == $teamLanguage && $studentStyle == $teamStyle) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1) {
$studentPlaced = true;
$teams[$team][$slot] = $studentID;
break;
}
}
if ($studentPlaced) {
break;
}
}
}
if ($studentPlaced) {
continue;
}
// language
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][0] == -1) {
continue;
}
$teamLanguage = \App\userKnownLanguages::where('userID', $teams[$team][0])->get()->pluck('languageName')->toArray()[0];
if ($studentLanguage == $teamLanguage) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1) {
$studentPlaced = true;
$teams[$team][$slot] = $studentID;
break;
}
}
if ($studentPlaced) {
break;
}
}
}
if ($studentPlaced) {
continue;
}
// new team
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][0] == -1) {
$studentPlaced = true;
$teams[$team][0] = $studentID;
break;
}
}
if ($studentPlaced) {
continue;
}
// team style
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][0] == -1) {
continue;
}
$teamStyle = \App\userPreferredTeamStyle::where('userID', $teams[$team][0])->get()->pluck('teamStyle')->toArray()[0];
if ($studentStyle == $teamStyle) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1) {
$studentPlaced = true;
$teams[$team][$slot] = $studentID;
break;
}
}
if ($studentPlaced) {
break;
}
}
}
if ($studentPlaced) {
continue;
}
// place anywhere
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][count($teams[$team]) - 1] == -1) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1) {
$teams[$team][$slot] = $studentID;
break;
}
}
break;
}
}
}
// Locate any teams that are too small
$studentsRemaining = array();
$invalidTeams = array();
for ($team = 0; $team < count($teams); $team++) {
$studentsInCurrentTeam = array();
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1 && $slot < $minTeamSize) {
$studentsRemaining = array_merge($studentsRemaining, $studentsInCurrentTeam);
array_push($invalidTeams, $team);
break;
}
array_push($studentsInCurrentTeam, $teams[$team][$slot]);
}
}
// Determine if students in small teams can be moved to other teams
$spotsRemaining = 0;
for ($team = 0; $team < count($teams); $team++) {
if (!in_array($team, $invalidTeams)) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1) {
$spotsRemaining++;
}
}
}
}
// Rearrange students by removing teams that are too small
if ($spotsRemaining >= count($studentsRemaining) && count($studentsRemaining) > 0) {
for ($team = 0; $team < count($teams); $team++) {
if (in_array($team, $invalidTeams)) {
$teams[$team] = array_fill(0, $maxTeamSize, -1);
}
}
foreach ($studentsRemaining as $studentID) {
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][count($teams[$team]) - 1] == -1 && $teams[$team][0] != -1) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] == -1) {
$teams[$team][$slot] = $studentID;
break;
}
}
break;
}
}
}
} else {
if (count($studentsRemaining) > 0) {
foreach ($invalidTeams as $invalidTeam) {
$teamValid = false;
while (!$teamValid) {
$teamValid = true;
$studentToMove = -1;
// Find a student to add, and remove them from their old team
for ($team = 0; $team < count($teams); $team++) {
if (!in_array($team, $invalidTeams) && $teams[$team][$minTeamSize] != -1) {
for ($slot = $maxTeamSize - 1; $slot >= 0; $slot--) {
if ($teams[$team][$slot] != -1) {
$studentToMove = $teams[$team][$slot];
$teams[$team][$slot] = -1;
}
if ($studentToMove != -1) {
break;
}
}
}
if ($studentToMove != -1) {
break;
}
}
// Add the student to the smaller team
for ($slot = 0; $slot < $maxTeamSize; $slot++) {
if ($teams[$invalidTeam][$slot] == -1) {
$teams[$invalidTeam][$slot] = $studentToMove;
if ($slot == $minTeamSize - 1) {
$teamValid = true;
}
break;
}
}
}
}
}
}
// Remove empty teams from array
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][0] == -1) {
unset($teams[$team]);
}
}
$teams = array_values($teams);
// Delete and recreate teams
\App\userTeamAssociation::truncate();
\App\team::truncate();
for ($team = 0; $team < count($teams); $team++) {
if ($teams[$team][0] != -1) {
$teamName = 'Team ' . ($team + 1);
$teamLanguage = \App\userKnownLanguages::where('userID', $teams[$team][0])->get()->pluck('languageName')->toArray()[0];
\App\team::create(['teamName' => $teamName, 'language' => $teamLanguage]);
}
}
// Create new team associations
for ($team = 0; $team < count($teams); $team++) {
for ($slot = 0; $slot < count($teams[$team]); $slot++) {
if ($teams[$team][$slot] != -1) {
\App\userTeamAssociation::create(['userID' => $teams[$team][$slot], 'teamID' => $team + 1]);
}
}
}
return redirect('/teams');
}