public function divideTeam($team, $min, $max, $boolit, $compID)
{
$len = count($team);
$numTeam = $len / $min;
$totalTeam = array();
//$team = array_flip($team);
//return $team;
if ($boolit) {
$a = array_keys($team);
} else {
$a = $team;
}
//print_r($a);
while (count($a) >= $min) {
$t = array();
while (count($t) < $min) {
array_push($t, array_pop($a));
$a = array_reverse($a);
}
array_push($totalTeam, $t);
}
if (count($a) > 0 && count($totalTeam) > 0) {
$i = 0;
foreach ($a as $b) {
array_push($totalTeam[$i % count($totalTeam)], $b);
$i = $i + 1;
}
}
$unsorted = array();
$teamteam = array();
//return $totalTeam;
foreach ($totalTeam as $c) {
if (count($c) > $max) {
while (count($c) > $max) {
print_r($c);
array_push($unsorted, array_pop($c));
}
array_push($teamteam, $c);
} else {
array_push($teamteam, $c);
}
}
if (count($teamteam) > 0) {
foreach ($teamteam as $t) {
team::create(['competition' => $compID, 'teamName' => 'Unnamed Team']);
$val = \DB::select(\DB::raw('(SELECT max(teamID) as i FROM team)'));
$teamID = $val[0]->i;
foreach ($t as $s) {
//print_r($s);
//print_r(',');
team_contents::create(['teamID' => $teamID, 'studentID' => $s]);
\DB::table('student_competition')->where('studentID', '=', $s)->delete();
}
}
}
if (count($totalTeam == 0)) {
return $a;
}
return $unsorted;
}
public function generateTeam(Request $request)
{
//DB::table('team_contents')->truncate();
$min = $request->get('min');
$max = $request->get('max');
$compId = $request->get('comp');
$students_p = \DB::table('student_competition')->join('student_preferences', 'student_competition.studentID', '=', 'student_preferences.id')->select('student_competition.studentID', 'student_preferences.python', 'student_preferences.java', 'student_preferences.c', 'student_preferences.teamStyle')->where('student_competition.compID', '=', $compId)->get();
$students_c = student_classes::all();
$std_j = array();
$std_p = array();
$std_c = array();
$std_u = array();
foreach ($students_p as $a) {
if ($a->java > $a->python and $a->java > $a->c) {
$std_j[$a->studentID] = $a->java;
} elseif ($a->python > $a->c and $a->python > $a->c) {
$std_p[$a->studentID] = $a->python;
} elseif ($a->c > $a->python and $a->c > $a->java) {
$std_c[$a->studentID] = $a->c;
} else {
$std_u[$a->studentID] = $a->c;
}
}
foreach ($students_c as $c) {
if (array_key_exists($c->studentID, $std_j)) {
$std_j[$c->studentID] = $std_j[$c->studentID] + $c->classID;
}
if (array_key_exists($c->studentID, $std_p)) {
$std_p[$c->studentID] = $std_p[$c->studentID] + $c->classID;
}
if (array_key_exists($c->studentID, $std_c)) {
$std_c[$c->studentID] = $std_c[$c->studentID] + $c->classID;
}
if (array_key_exists($c->studentID, $std_u)) {
$std_u[$c->studentID] = $std_u[$c->studentID] + $c->classID;
}
}
asort($std_j);
asort($std_c);
asort($std_p);
asort($std_u);
$unsorted = array();
//return $this->divideTeam($std_j, $min, $max);
//return count($std_p) + count($std_c) + count($std_p) + count($std_u);
// return $unsorted + $this->divideTeam($std_u, $min, $max, true, $compId);
//$unsorted = $unsorted + $this->divideTeam($std_j, $min, $max, true, $compId);
//print_r($unsorted);
//$unsorted = $unsorted + $this->divideTeam($std_c, $min, $max, true, $compId);
//print_r($unsorted);
//$unsorted = $unsorted + $this->divideTeam($std_p, $min, $max, true, $compId);
//print_r($unsorted);
//$unsorted = $unsorted + $this->divideTeam($std_u, $min, $max, true, $compId);
$ss = array();
$ss = $std_c + $std_j + $std_p + $std_u;
$ss = array_keys($ss);
shuffle($ss);
$totteam = array();
while (count($ss) > 0) {
$a = array();
while (count($a) < $min) {
array_push($a, array_pop($ss));
}
array_push($totteam, $a);
}
//print_r($totteam);
$notAdded = array();
$added = array();
foreach ($totteam as $t) {
$test = false;
foreach ($t as $g) {
if ($g == null) {
$test = true;
break;
}
}
if ($test) {
array_push($notAdded, $t);
} else {
array_push($added, $t);
}
}
$i = 0;
if ($min != $max) {
if (count($notAdded) > 0) {
foreach ($notAdded[0] as $nA) {
if ($nA != null) {
while ($i < count($added[$i])) {
if (count($added[$i]) < $max) {
array_shift($notAdded[0]);
array_push($added[$i], $nA);
//array_push($finalAdd, $a);
$i++;
break;
}
$i++;
break;
}
} else {
array_shift($notAdded[0]);
}
}
}
}
$notAdded = $notAdded[0];
$stdc = count($notAdded);
//return $notAdded;
foreach ($added as $t) {
team::create(['competition' => $compId, 'teamName' => 'Unnamed Team']);
$val = \DB::select(\DB::raw('(SELECT max(teamID) as i FROM team)'));
$teamID = $val[0]->i;
foreach ($t as $s) {
//print_r($s);
//print_r(',');
team_contents::create(['teamID' => $teamID, 'studentID' => $s]);
\DB::table('student_competition')->where('studentID', '=', $s)->delete();
}
}
$teams = team::all();
$competitions = competition::all();
$compID = array();
$compName = array();
$teamnames = array();
foreach ($competitions as $c) {
array_push($compID, $c->compID);
array_push($compName, $c->compName);
}
foreach ($teams as $t) {
array_push($teamnames, $t->teamName);
}
return view('admin', compact('teamnames', 'compID', 'compName', 'notAdded'));
}
public function divideTeamone($ss, $min, $max, $compId)
{
if ($ss == null || count($ss) == 0) {
return array();
}
$tt = array_chunk($ss, $min);
$end = null;
if (count(end($tt)) < $min) {
$end = array_pop($tt);
}
if ($end != null) {
for ($i = 0; $i < count($tt); $i++) {
while (count($tt[$i]) < $max) {
if (count($end) == 0) {
break;
}
array_push($tt[$i], array_pop($end));
}
}
}
foreach ($tt as $t) {
team::create(['competition' => $compId, 'teamName' => 'Unnamed Team']);
$val = \DB::select(\DB::raw('(SELECT max(teamID) as i FROM team)'));
$teamID = $val[0]->i;
foreach ($t as $s) {
team_contents::create(['teamID' => $teamID, 'studentID' => $s]);
\DB::table('student_competition')->where('studentID', '=', $s)->where('compID', '=', $compId)->delete();
}
}
if ($end == null) {
$end = array();
}
return $end;
}
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');
}
public function run()
{
DB::table('team')->delete();
team::create(['teamName' => 'Flying Circus', 'competition' => '1']);
team::create(['teamName' => 'Bladed Maze', 'competition' => '1']);
team::create(['teamName' => 'Random Namers', 'competition' => '2']);
team::create(['teamName' => 'Team 404', 'competition' => '2']);
team::create(['teamName' => 'Out of Time', 'competition' => '3']);
team::create(['teamName' => 'Seedy Fellows', 'competition' => '3']);
}