public function getQuiz() { return Model_Quiz_Quiz::fromID($this->quizquiz_id); }
/** * This action is the quiz shell. * It ensures permissions, creates new attempts etc etc. * * @author Ben Evans */ public function attemptAction() { Model_Shell_Debug::getInstance()->log("User Entered the Attempt Action"); $identity = Zend_Auth::getInstance()->getIdentity(); $username = $identity->username; $auth_model = Model_Auth_General::getAuthModel(); /* Before we do anything, test to make sure we've passed a VALID QUIZ which WE ARE ENTITLED to sit. */ $quiz_id = $this->_getParam("quiz"); if (is_null($quiz_id)) { throw new Exception("No quiz was passed. Cannot continue."); } $vQuiz = Model_Quiz_Quiz::fromID($quiz_id); if ($vQuiz == null) { throw new Exception("Quiz ID passed was invalid. Cannot continue."); } $mFinished = false; $mMarking = false; //Permissions if ($auth_model->userInGroup($username, $vQuiz->getPermissions_group()) && $vQuiz->getOpen_date() <= strtotime("now")) { //Have we run out of attempts? $vAttempts = Model_Quiz_QuizAttempt::getAllFromUser($username, $vQuiz); if (sizeof($vAttempts) >= $vQuiz->getMax_attempts()) { //It is possible that we're on our last attempt, and that it's "in progress"...check $bInProgress = false; foreach ($vAttempts as $vAttempt) { if ($vAttempt->getDate_finished() == null) { $bInProgress = true; } } if (!$bInProgress) { throw new Exception("You've exceeded your maximum attempts for this quiz. Cannot continue"); } } } else { if (!$this->view->is_admin) { throw new Exception("Insufficient Permissions to take this quiz / Quiz not open yet"); } $vAttempts = Model_Quiz_QuizAttempt::getAllFromUser($username, $vQuiz); } /* Ok. We're allowed to TAKE the quiz. Are we resuming, or starting a new one? */ $mQuizAttempt = null; if (is_array($vAttempts)) { foreach ($vAttempts as $vAttempt) { if ($vAttempt->getDate_finished() == null) { $mQuizAttempt = $vAttempt; break; } } //End Foreach } //End If if ($mQuizAttempt == null) { $mQuizAttempt = Model_Quiz_QuizAttempt::fromScratch(strtotime("now"), $vQuiz, $username); } /* Calculate the total questions needed for this quiz */ $vTCs = $vQuiz->getTestedConcepts(); $vTotalQuestions = 0; foreach ($vTCs as $vTC) { $vTotalQuestions = $vTotalQuestions + $vTC->getNumber_tested(); } /* We have our quizAttempt ready to go. Now we look to see if we're resuming a question or not */ $mQuestionAttempt = $mQuizAttempt->getLastIncompleteQuestion(); if (is_object($mQuestionAttempt) && !$mQuestionAttempt->isValid()) { $mQuestionAttempt->destroy(); // Remove the Question attempt (Database was reinitialised or something) $mQuestionAttempt = null; } if ($mQuestionAttempt != null) { /* Are we getting an ANSWER for this question? */ if (array_key_exists("marking", $_POST) && $_POST['marking'] == "1") { /* Mark it */ $mMarking = true; } /* If we reach here, the page has probably been refreshed. We just re-display the last question */ } else { /* Have we finished this quiz? */ if ($mQuizAttempt->getQuestionAttemptCount() >= $vTotalQuestions) { //Close this attempt and display a result later on down the page $mQuizAttempt->setDate_finished(strtotime("now")); //Calculate and store the final score $mQuizAttempt->setTotal_score($mQuizAttempt->getTotal_score()); $mFinished = true; } else { /* QuizAttempt isn't finished... Fetch a questionBase */ $vQuestionBase = Model_Shell_QuestionChooser::select_next_question($mQuizAttempt, true); /* Make a GeneratedQuestion */ $vCounter = 0; //Make sure we don't get any fluke no-text answers while ($vCounter < 3) { Model_Shell_Debug::getInstance()->log("vQuestionBase: " . isset($vQuestionBase)); Model_Shell_Debug::getInstance()->log("Generating... from " . $vQuestionBase->getXml()); $vGen = Model_Quiz_GeneratedQuestion::fromQuestionBase($vQuestionBase); if ($vGen->getCorrect_answer() != "" && $vGen->getCorrect_answer() != "\r\n") { break; } else { $vGen->remove(); } $vCounter++; } if ($vGen->getCorrect_answer() == "" || $vGen->getCorrect_answer() == "\r\n") { throw new Exception("Error. While generating a question for you, blank answers appeared > 3 times. This should never happen. Either try to refresh this page, or consult your lecturer..."); } /* Make a QuestionAttempt */ $mQuestionAttempt = Model_Quiz_QuestionAttempt::fromScratch($vQuestionBase, strtotime("now"), strtotime("now"), $mQuizAttempt, $vGen); } //End-if_finished_quizAttempt } // Pass all relevant information to the view $this->view->quiz = $vQuiz; $this->view->question_attempt = $mQuestionAttempt; $this->view->finished = $mFinished; $this->view->marking = $mMarking; $this->view->mQuizAttempt = $mQuizAttempt; $this->view->vTotalQuestions = $vTotalQuestions; }
protected function findQuiz($quiz_id) { if (is_null($quiz_id)) { throw new Exception("No quiz was passed. Cannot continue."); } $quiz = Model_Quiz_Quiz::fromID($quiz_id); if ($quiz == null) { throw new Exception("Quiz ID passed was invalid. Cannot continue."); } return $quiz; }
function hasPendingPrerequisite($username) { $prereq = $this->getPrerequisite(); if (!$prereq) { return false; } $prereq_question = Model_Quiz_Quiz::fromID($prereq); // have the user attempted the prerequisites? $attempt = Model_Quiz_QuizAttempt::fromQuizAndUser($prereq, $username); if (!$attempt) { return true; //prerequisite has not even been attempted } // if yes, of all the attempts, has the best score passed the quiz requirement? if ($attempt->getDate_finished()) { $best_attempt = Model_Quiz_QuizAttempt::getHighestMarkQuiz($username, $prereq_question); return !$best_attempt->hasPassedQuiz(); } return true; /* if ($attempt->getDate_finished()==null){ $vQuizStatus = Model_Quiz_Quiz::QUIZ_INPROGRESS; if($vQuiz->getClose_date() < strtotime("now")){ echo "\t\t<td>In Progress (Late)</td>\n"; } else{ echo "\t\t<td>In Progress</td>\n"; } }else{ $vQuizStatus = Model_Quiz_Quiz::QUIZ_COMPLETED; echo "\t\t<td>Completed</td>\n"; } */ }
/** * This shows the results of an individual quiz, * It works by going through all the People in the Quizzes * primary Active Directory group, and then seeing if their * account has an attempt associated with it. */ public function resultsquizAction() { $quiz_id = $this->_getParam("quiz_id"); if (!isset($quiz_id)) { throw new Exception("No Quiz Identifier Passed", 3000); } $quiz = Model_Quiz_Quiz::fromID($quiz_id); if (is_null($quiz) || $quiz === false) { throw new Exception("Invalid Quiz Identifier", 3000); } // Pass the quiz (for general information) $this->view->quiz = $quiz; // Start By Populating an array with the Group information $results = array(); $group_members = Model_Auth_ActiveDirectory::getUsersFromGroup($quiz->getPermissions_group()); foreach ($group_members as $gm) { $results[$gm] = array(); } unset($group_members); // At this point, we have an array with keys being the username foreach ($results as $name => &$result) { // Get the User's First and Last Name $details = Model_Auth_ActiveDirectory::getUserDetails($name); $result['first_name'] = $details['first_name']; $result['last_name'] = $details['last_name']; $result['username'] = $name; //Get the verdict / best score... $vHighest = Model_Quiz_QuizAttempt::getHighestMarkQuiz($name, $quiz); // Will be null if not completed, Model_Quiz_QuizAttempt otherwise if (!is_null($vHighest)) { // Get their finish date $result['completion_date'] = $vHighest->getDate_finished(); //Is this 'highest' attempt still in progress? if ($vHighest->getDate_finished() == null) { $result['verdict'] = "<span class='orange'>In Progress</span>"; } else { // Completed //Did they pass/fail? if ($vHighest->getTotal_score() / $quiz->getTotalQuestions() * 100 >= $quiz->getPercentage_pass()) { $result['verdict'] = "<span class='green'>PASS</span>"; } else { $result['verdict'] = "<span class='red'>FAIL</span>"; } } // Best Score $result['best_score'] = $vHighest->getTotal_score(); // Attempts $result['attempts'] = sizeof(Model_Quiz_QuizAttempt::getAllFromUser($name, $quiz)); } } $this->view->results = $results; }
public static function getAll($vOrder = false) { $db = Zend_Registry::get("db"); $vReturn = array(); $sql = "SELECT * FROM quiz"; if ($vOrder) { $sql .= " ORDER BY close_date"; } //echo "SQL: $sql<br/>"; $result = $db->query($sql); $rows = $result->fetchAll(); foreach ($rows as $row) { $vReturn[] = Model_Quiz_Quiz::fromID($row['quiz_id']); } return $vReturn; }