JezK

Edit File: Result.php

<?php

class Result extends AppModel
{
    public $validationDomain = 'validation';
    public $useTable = "exam_results";
    public $belongsTo = array('Exam' => array('className' => 'exams',
        'order' => array('Result.start_time' => 'desc')));

public function userSubject($id)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $userSubject = $ExamStat->find('all', array('fields' => array('DISTINCT(Subject.id)', 'Subject.subject_name'),
            'joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner',
                'conditions' => array('ExamStat.question_id=Question.id')),
                array('table' => 'subjects', 'alias' => 'Subject', 'type' => 'Inner',
                    'conditions' => array('Question.subject_id=Subject.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id)));
        return $userSubject;
    }

public function userSubjectMarks($id, $subjectId, $sumField, $examId)
    {
        $limit = 0;
        $ExamQuestion = ClassRegistry::init('ExamQuestion');
        $ExamStat = ClassRegistry::init('ExamStat');
        $ExamMaxquestion = ClassRegistry::init('ExamMaxquestion');
        $ExamStat->virtualFields = array('total_marks' => "SUM(ExamStat.$sumField)");
        $examMaxQuestionArr = $ExamMaxquestion->find('first', array('fields' => array('ExamMaxquestion.subject_id', 'ExamMaxquestion.max_question'), 'conditions' => array('ExamMaxquestion.exam_id' => $examId, 'ExamMaxquestion.subject_id' => $subjectId)));
        if ($examMaxQuestionArr && $examMaxQuestionArr['ExamMaxquestion']['max_question'] != 0 && $sumField == "marks") {
            $quesNo = $examMaxQuestionArr['ExamMaxquestion']['max_question'];
            $subjectId = $examMaxQuestionArr['ExamMaxquestion']['subject_id'];
            $limit = ' LIMIT ' . $quesNo;
            $ExamStat->virtualFields = array();
            $ExamStat->virtualFields = array('total_marks' => 'SELECT SUM(`marks`) FROM (SELECT `Question`.`marks` FROM `exam_stats` AS `ExamStat` Inner JOIN `questions` AS `Question` ON (`ExamStat`.`question_id`=`Question`.`id`) WHERE `ExamStat`.`exam_result_id`=' . $id . ' AND `Question`.`subject_id`=' . $subjectId . $limit . ') subquery');
            $totalMarksArr = $ExamStat->find('first', array('fields' => array('total_marks')));
            $userSubjectMarks = $totalMarksArr['ExamStat']['total_marks'];
            $ExamStat->virtualFields = array();
        } else {
            $userSubject = $ExamStat->find('first', array('fields' => array('total_marks'),
                'joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner',
                    'conditions' => array('ExamStat.question_id=Question.id')),
                    array('table' => 'subjects', 'alias' => 'Subject', 'type' => 'Inner',
                        'conditions' => array('Question.subject_id=Subject.id'))),
                'conditions' => array('ExamStat.exam_result_id' => $id, 'Subject.id' => $subjectId)));
            $userSubjectMarks = $userSubject['ExamStat']['total_marks'];
        }
        return $userSubjectMarks;
    }

public function userSubjectQuestion($id, $subjectId, $examId)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $ExamMaxquestion = ClassRegistry::init('ExamMaxquestion');
        $examMaxQuestionArr = $ExamMaxquestion->find('first', array('fields' => array('ExamMaxquestion.subject_id', 'ExamMaxquestion.max_question'), 'conditions' => array('ExamMaxquestion.exam_id' => $examId, 'ExamMaxquestion.subject_id' => $subjectId)));
        if ($examMaxQuestionArr && $examMaxQuestionArr['ExamMaxquestion']['max_question'] != 0) {
            $userSubjectQuestion = $examMaxQuestionArr['ExamMaxquestion']['max_question'];
        } else {
            $userSubjectQuestion = $ExamStat->find('count', array('joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id'))),
                'conditions' => array('ExamStat.exam_result_id' => $id, 'Question.subject_id' => $subjectId)));
        }
        return $userSubjectQuestion;
    }

public function userSubjectStatusQuestion($id, $subjectId, $quesStatus)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $userSubjectQuestion = $ExamStat->find('count', array('joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id, 'Question.subject_id' => $subjectId, 'ques_status' => $quesStatus)));
        return $userSubjectQuestion;
    }

public function userMarks($id)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $ExamStat->virtualFields = array('total_marks' => "SUM(ExamStat.marks)");
        $userSubject = $ExamStat->find('first', array('fields' => array('total_marks'),
            'conditions' => array('ExamStat.exam_result_id' => $id)));
        $userSubjectMarks = $userSubject['ExamStat']['total_marks'];
        return $userSubjectMarks;
    }

public function userSubjectScore($id, $subjectId, $quesStatus)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $ExamStat->virtualFields = array('total_marks' => "SUM(ExamStat.marks_obtained)");
        $userSubject = $ExamStat->find('first', array('fields' => array('total_marks'), 'joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id, 'Question.subject_id' => $subjectId, 'ques_status' => $quesStatus)));
        $userSubjectMarks = $userSubject['ExamStat']['total_marks'];
        return $userSubjectMarks;
    }

public function userSubjectUnattemptedQuestions($id, $subjectId)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $userSubjectQuestion = $ExamStat->find('count', array('joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id, 'Question.subject_id' => $subjectId, 'answered' => 0)));
        return $userSubjectQuestion;
    }

public function userSubjectUnattemptedMarks($id, $subjectId)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $ExamStat->virtualFields = array('left_marks' => 'SUM(ExamStat.marks)');
        $leftQuestionArr = $ExamStat->find('first', array('joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id, 'Question.subject_id' => $subjectId, 'answered' => 0)));
        $ExamStat->virtualFields = array('');
        $unattemptedMarks = $leftQuestionArr['ExamStat']['left_marks'];
        if ($unattemptedMarks == NULL)
            $unattemptedMarks = "0";
        return $unattemptedMarks;
    }

public function userSubjectTime($id, $subjectId)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $ExamStat->virtualFields = array('total_time_taken' => 'SUM(ExamStat.time_taken)');
        $userSubject = $ExamStat->find('first', array('fields' => array('total_time_taken'),
            'joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id, 'Question.subject_id' => $subjectId)));
        $ExamStat->virtualFields = array();
        if ($userSubject) {
            $userSubjectTime = $userSubject['ExamStat']['total_time_taken'];
        } else {
            $userSubjectTime = null;
        }
        return $userSubjectTime;
    }

public function userMarksheet($id)
    {
        $ExamResult = ClassRegistry::init('ExamResult');
        $examResultArr = $ExamResult->find('first', array('fields' => array('ExamResult.exam_id'), 'conditions' => array('ExamResult.id' => $id)));
        $examId = $examResultArr['ExamResult']['exam_id'];
        $userSubject = $this->userSubject($id);
        $userMarksheet = array();
        $grandTotalMarks = 0;
        $grandObtainedMarks = 0;
        $grandTotalQuestion = 0;
        $grandTimeTaken = 0;
        $totalCorrectQuestion = 0;
        $totalIncorrectQuestion = 0;
        $totalMarksScored = 0;
        $totalNegativeMarks = 0;
        $totalUnattemptedQuestion = 0;
        $totalUnattemptedQuestionMarks = 0;
        foreach ($userSubject as $k => $subjectValue) {
            $totalMarks = $this->userSubjectMarks($id, $subjectValue['Subject']['id'], 'marks', $examId);
            $obtainedMarks = $this->userSubjectMarks($id, $subjectValue['Subject']['id'], 'marks_obtained', $examId);
            $totalQuestion = $this->userSubjectQuestion($id, $subjectValue['Subject']['id'], $examId);
            $allMarks = $this->userMarks($id);
            $marksScored = $this->userSubjectScore($id, $subjectValue['Subject']['id'], 'R');
            if ($marksScored == "")
                $marksScored = 0;
            $negativeMarks = str_replace("-", "", $this->userSubjectScore($id, $subjectValue['Subject']['id'], 'W'));
            if ($negativeMarks == "")
                $negativeMarks = 0;
            $correctQuestion = $this->userSubjectStatusQuestion($id, $subjectValue['Subject']['id'], 'R');
            $incorrectQuestion = $this->userSubjectStatusQuestion($id, $subjectValue['Subject']['id'], 'W');
            $unattemptedQuestion = $this->userSubjectUnattemptedQuestions($id, $subjectValue['Subject']['id']);
            $unattemptedQuestionMarks = $this->userSubjectUnattemptedMarks($id, $subjectValue['Subject']['id']);
            if ($unattemptedQuestionMarks == "")
                $unattemptedQuestionMarks = 0;
            $timeTaken = $this->userSubjectTime($id, $subjectValue['Subject']['id']);
            $marksWeightage = CakeNumber::precision(($totalMarks * 100) / $allMarks, 2);
            $grandTotalMarks = CakeNumber::precision($grandTotalMarks + $totalMarks, 2);
            $grandObtainedMarks = CakeNumber::precision($grandObtainedMarks + $obtainedMarks, 2);
            $grandTotalQuestion = $grandTotalQuestion + $totalQuestion;
            $grandTimeTaken = $grandTimeTaken + $timeTaken;
            $percent = CakeNumber::precision(($obtainedMarks * 100) / $totalMarks, 2);

$userMarksheet[$k]['Subject']['name'] = $subjectValue['Subject']['subject_name'];
            $userMarksheet[$k]['Subject']['total_marks'] = $totalMarks;
            $userMarksheet[$k]['Subject']['obtained_marks'] = $obtainedMarks;
            $userMarksheet[$k]['Subject']['marks_scored'] = $marksScored;
            $userMarksheet[$k]['Subject']['negative_marks'] = $negativeMarks;
            $userMarksheet[$k]['Subject']['percent'] = $percent;
            $userMarksheet[$k]['Subject']['total_question'] = $totalQuestion;
            $userMarksheet[$k]['Subject']['marks_weightage'] = $marksWeightage;
            $userMarksheet[$k]['Subject']['time_taken'] = $timeTaken;
            $userMarksheet[$k]['Subject']['correct_question'] = $correctQuestion;
            $userMarksheet[$k]['Subject']['incorrect_question'] = $incorrectQuestion;
            $userMarksheet[$k]['Subject']['unattempted_question'] = $unattemptedQuestion;
            $userMarksheet[$k]['Subject']['unattempted_question_marks'] = $unattemptedQuestionMarks;
            $totalUnattemptedQuestionMarks = CakeNumber::precision($totalUnattemptedQuestionMarks + $unattemptedQuestionMarks, 2);
            $totalCorrectQuestion = $totalCorrectQuestion + $correctQuestion;
            $totalIncorrectQuestion = $totalIncorrectQuestion + $incorrectQuestion;
            $totalMarksScored = CakeNumber::precision($totalMarksScored + $marksScored, 2);
            $totalNegativeMarks = CakeNumber::precision($totalNegativeMarks + $negativeMarks, 2);
            $totalUnattemptedQuestion = $totalUnattemptedQuestion + $unattemptedQuestion;

}
        if ($grandTotalMarks == 0)
            $grandPercent = 0;
        else
            $grandPercent = $percent = CakeNumber::precision(($grandObtainedMarks * 100) / $grandTotalMarks, 2);
        $userMarksheet['total']['Subject'] = array('name' => __('Grand Total'), 'total_marks' => $grandTotalMarks, 'obtained_marks' => $grandObtainedMarks,
            'percent' => $grandPercent, 'total_question' => $grandTotalQuestion, 'marks_weightage' => 100, 'time_taken' => $grandTimeTaken,
            'correct_question' => $totalCorrectQuestion, 'incorrect_question' => $totalIncorrectQuestion, 'marks_scored' => $totalMarksScored,
            'negative_marks' => $totalNegativeMarks, 'unattempted_question' => $totalUnattemptedQuestion, 'unattempted_question_marks' => $totalUnattemptedQuestionMarks);
        return $userMarksheet;
    }

public function userSectionQuestion($id, $exam_id, $type, $studentId)
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $subjectNameArr = $ExamStat->find('all', array(
            'fields' => array('Subject.id', 'Subject.subject_name'),
            'joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner', 'conditions' => array('ExamStat.question_id=Question.id')),
                array('table' => 'subjects', 'alias' => 'Subject', 'type' => 'Inner', 'conditions' => array('Question.subject_id=Subject.id'))),
            'conditions' => array('ExamStat.exam_result_id' => $id, 'ExamStat.student_id' => $studentId, 'closed' => 1),
            'group' => array('Question.subject_id'),
            'order' => array('ExamStat.ques_no asc')));
        foreach ($subjectNameArr as $value) {
            $userSectionQuestion[$value['Subject']['subject_name']] = $ExamStat->find('all', array('fields' => array('ExamStat.ques_no', 'ExamStat.opened', 'ExamStat.answered', 'ExamStat.review', 'ExamStat.bookmark'),
                'joins' => array(array('table' => 'questions', 'alias' => 'Question', 'type' => 'Inner',
                    'conditions' => array('ExamStat.question_id=Question.id'))),
                'conditions' => array('ExamStat.exam_result_id' => $id, 'ExamStat.student_id' => $studentId, 'Question.subject_id' => $value['Subject']['id'], 'closed' => 1),
                'order' => array('ExamStat.ques_no asc')));
        }
        return $userSectionQuestion;
    }

public function getSubject($id)
    {
        $ExamQuestion = ClassRegistry::init('ExamQuestion');
        $subjectDetail = $ExamQuestion->find('all', array(
            'fields' => array('DISTINCT(Subject.id)', 'Subject.subject_name'),
            'joins' => array(array('table' => 'questions', 'type' => 'Inner', 'alias' => 'Question',
                'conditions' => array('Question.id=ExamQuestion.question_id')),
                array('table' => 'subjects', 'type' => 'Inner', 'alias' => 'Subject',
                    'conditions' => array('Subject.id=Question.subject_id'))),
            'conditions' => array('ExamQuestion.exam_id' => $id),
            'order' => 'Subject.subject_name asc'));
        return $subjectDetail;
    }

public function getPrepSubject($id)
    {
        $ExamPrep = ClassRegistry::init('ExamPrep');
        $subjectDetail = $ExamPrep->find('all', array(
            'fields' => array('Subject.id', 'Subject.subject_name', 'ExamPrep.subject_id', 'ExamPrep.ques_no', 'ExamPrep.type', 'ExamPrep.level'),
            'joins' => array(array('table' => 'subjects', 'type' => 'Inner', 'alias' => 'Subject',
                'conditions' => array('Subject.id=ExamPrep.subject_id'))),
            'conditions' => array('ExamPrep.exam_id' => $id),
            'order' => 'Subject.subject_name asc'));
        return $subjectDetail;
    }

public function userExamQuestion($id, $studentId, $bookmark = 'N')
    {
        $ExamStat = ClassRegistry::init('ExamStat');
        $Question = ClassRegistry::init('Question');
        $Question->bindModel(array('hasMany' => array('QuestionsLang' => array('order' => 'QuestionsLang.language_id asc'))));
        $Question->bindModel(array('belongsTo' => array('Subject', 'Qtype', 'Diff', 'Passage')));
        $ExamStat->bindModel(array('belongsTo' => array('Question', 'Exam')));
        $cond = array();
        if ($bookmark == "Y") {
            $cond = array('ExamStat.bookmark' => 'Y');
        }
        $userExamQuestion = $ExamStat->find('all', array('recursive' => 2,
            'conditions' => array('ExamStat.exam_result_id' => $id, 'ExamStat.student_id' => $studentId, $cond),
            'order' => array('ExamStat.ques_no asc')));
        $ExamStat->unbindModel(array());
        $ExamStat->unbindModel(array());
        return $userExamQuestion;
    }
}