public function classConceptHistoryAction()
{
$config = $this->getDI()->getShared('config');
if (!isset($_GET["p"])) {
die("No history saver password provided.");
}
if ($_GET["p"] != $config->historySaverPassword) {
die("Invalid history saver password provided.");
}
// We want to time this
$startTime = microtime(true);
$raw = false;
$debug = false;
$classHelper = new ClassHelper();
$masteryHelper = new MasteryHelper();
$allConcepts = MappingHelper::allConcepts();
$studentIds = $classHelper->allStudents();
//$studentIds = ["John Logie Baird"];
foreach ($allConcepts as $concept) {
$classHelper = new ClassHelper();
$masteryHelper = new MasteryHelper();
$studentIds = $classHelper->allStudents();
$sum = 0;
foreach ($studentIds as $student) {
$sum += $masteryHelper->calculateUniqueVideoPercentageForConcept($student, $concept);
}
$avg = $sum / count($studentIds);
echo $avg;
$lecNum = $concept["Lecture Number"];
$lastHistory = ClassConceptHistory::findFirst(["concept_id = {$lecNum}", "order" => "time_stored DESC"]);
if (date("Y-m-d") == date("Y-m-d", strtotime($lastHistory->time_stored))) {
echo " History already saved today for concept #{$lecNum}\n";
continue;
}
$scoreSum = 0;
$scoreCount = 0;
// Check if it's a concept in the future
$today = strtotime("today");
$includeZero = true;
if (strtotime($concept["Date"]) > $today) {
$includeZero = false;
}
// Calculate concept score for each student
foreach ($studentIds as $studentId) {
// Calculate score
$score = $masteryHelper->calculateConceptMasteryScore($studentId, $concept["Lecture Number"], $debug);
// Add score
if ($score == 0) {
if ($includeZero) {
$scoreCount++;
}
} else {
$scoreCount++;
$scoreSum += $score;
}
}
// Calculate average
$average = $scoreSum / $scoreCount;
// Store concept average
$conceptHistory = new ClassConceptHistory();
$conceptHistory->concept_id = $concept["Lecture Number"];
$conceptHistory->average_mastery = $average;
$conceptHistory->videopercentage = $avg;
if ($conceptHistory->create() == false) {
echo "*** Error saving concept history for {$concept}\n";
} else {
}
}
// Print total time taken
$endTime = microtime(true);
echo "Execution time: " . ($endTime - $startTime) . " seconds\n";
}
public function masteryGraphAction($scope = 'all', $groupingId = '', $debug = false)
{
$this->view->disable();
// Get our context (this takes care of starting the session, too)
$context = $this->getDI()->getShared('ltiContext');
if (!$context->valid) {
echo '[{"error":"Invalid lti context"}]';
return;
}
$result = [];
// Get the list of concepts for the given scope and grouping ID
$concepts = [];
switch ($scope) {
case "unit":
// Filter based on unit
$concepts = MappingHelper::conceptsInUnit($groupingId);
break;
default:
// All concepts
$concepts = MappingHelper::allConcepts();
break;
}
$masteryHelper = new MasteryHelper();
foreach ($concepts as $c) {
$score = $masteryHelper::calculateConceptMasteryScore($context->getUserName(), $c["Lecture Number"], $debug);
if ($debug) {
echo "Concept mapping info\n";
print_r($c);
}
$result[] = ["id" => $c["Lecture Number"], "display" => $c["Concept Title"], "score" => $score, "unit" => $c["Unit Number"]];
}
echo json_encode($result);
}
public function conceptsAction($scope = 'all', $groupingId = '', $debug = false)
{
$this->view->disable();
// Get our context (this takes care of starting the session, too)
$context = $this->getDI()->getShared('ltiContext');
if (!$context->valid) {
echo '[{"error":"Invalid lti context"}]';
return;
}
$result = [];
// Get the list of concepts for the given scope and grouping ID
$concepts = [];
switch ($scope) {
case "concept":
// Get a specific concept
$conceptId = $groupingId;
$concepts = array_filter(MappingHelper::allConcepts(), function ($concept) use($conceptId) {
return $concept["Lecture Number"] == $conceptId;
});
break;
case "unit":
// Filter based on unit
$concepts = MappingHelper::conceptsInUnit($groupingId);
break;
default:
// All concepts
$concepts = MappingHelper::allConcepts();
break;
}
$masteryHelper = new MasteryHelper();
foreach ($concepts as $c) {
$score = $masteryHelper::calculateConceptMasteryScore($context->getUserName(), $c["Lecture Number"], $debug);
$videoPercentage = $masteryHelper::calculateUniqueVideoPercentageForConcept($context->getUserName(), $c["Lecture Number"], $debug);
//$score = rand(0,100) / 10;
//$videoPercentage = rand(0,100);
if ($debug) {
echo "Concept mapping info\n";
print_r($c);
}
$result[] = ["id" => $c["Lecture Number"], "title" => $c["Concept Title"], "masteryScore" => $score, "videoPercentage" => $videoPercentage, "unit" => $c["Unit Number"]];
}
echo json_encode($result);
}
public function resourcesAction()
{
$this->tag->setTitle('Course Resources | Student Dashboard');
$this->view->pageTitle = 'Course Resources | Student Dashboard';
// Get our context (this takes care of starting the session, too)
$context = $this->getDI()->getShared('ltiContext');
// Get list of concepts
$conceptsMapping = MappingHelper::allConcepts();
$concepts = [];
$resources = [];
// Get list of resources for each concept
foreach ($conceptsMapping as $c) {
// Formatting for view
$concepts[] = ["id" => $c["Lecture Number"], "title" => $c["Concept Title"], "date" => $c["Date"]];
// Get resources for each of the concepts
$conceptId = $c["Lecture Number"];
$resourceLists[$conceptId] = MappingHelper::resourcesForConcept($conceptId);
// Get videos for each of the concepts
$videos = MappingHelper::videosForConcept($conceptId);
// Format videos to be the same format as ayamel links from the resources.csv mapping
foreach ($videos as $video) {
$resourceLists[$conceptId][] = ["Lecture Number" => $video["Lecture Number"], "Resource Type" => "ayamel", "Resource Title" => $video["Video Title"], "Resource Link" => $video["Video ID"], "Resource Tracking Number" => $video["Video ID"]];
}
}
// Figure out which concept to position the list at (based on the current day)
$currentConceptID = $conceptsMapping[0]["Date"];
// This is assuming that every concept has a date, and that they are listed in concepts.csv in chronological non-descending order
// Find the first concept that's past today, and then use the previous concept
$today = strtotime("today");
foreach ($conceptsMapping as $concept) {
if (strtotime($concept["Date"]) > $today) {
break;
} else {
$currentConceptID = $concept["Lecture Number"];
// If this concept has a date of today, then stop
if (strtotime($concept["Date"]) == $today) {
break;
}
}
}
$this->view->concepts = $concepts;
$this->view->resources = $resourceLists;
$this->view->currentConceptID = $currentConceptID;
}
