setExerciseInfoFromAikenText()

Complexity

Conditions	32
Paths	324

Size

Total Lines	111
Code Lines	75

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function setExerciseInfoFromAikenText($aikenText, &$exerciseInfo)
{
    $detect = mb_detect_encoding($aikenText, 'ASCII', true);
    if ('ASCII' === $detect) {
        $data = explode("\n", $aikenText);
    } else {
        if (false !== stripos($aikenText, "\x0D") || false !== stripos($aikenText, "\r\n")) {
            $text = str_ireplace(["\x0D", "\r\n"], "\n", $aikenText); // Removes ^M char from win files.
            $data = explode("\n\n", $text);
        } else {
            $data = explode("\n", $aikenText);
        }
    }

    $questionIndex = 0;
    $answersArray = [];
    foreach ($data as $line => $info) {
        $info = trim($info);
        if (empty($info)) {
            continue;
        }

        //make sure it is transformed from iso-8859-1 to utf-8 if in that form
        if (!mb_check_encoding($info, 'utf-8') && mb_check_encoding($info, 'iso-8859-1')) {
            $info = utf8_encode($info);
        }
        $exerciseInfo['question'][$questionIndex]['type'] = 'MCUA';

        if (preg_match('/^([A-Za-z])(\)|\.)\s(.*)/', $info, $matches)) {
            //adding one of the possible answers
            $exerciseInfo['question'][$questionIndex]['answer'][]['value'] = $matches[3];
            $answersArray[] = $matches[1];
        } elseif (preg_match('/^ANSWER:\s?([A-Z])\s?/', $info, $matches)) {
            //the correct answers
            $correctAnswerIndex = array_search($matches[1], $answersArray);
            $exerciseInfo['question'][$questionIndex]['correct_answers'][] = $correctAnswerIndex + 1;
            //weight for correct answer
            $exerciseInfo['question'][$questionIndex]['weighting'][$correctAnswerIndex] = 1;
            $next = $line + 1;

            if (isset($data[$next]) && false !== strpos($data[$next], 'ANSWER_EXPLANATION:')) {
                continue;
            }

            if (isset($data[$next]) && false !== strpos($data[$next], 'DESCRIPTION:')) {
                continue;
            }

            // Check if next has score, otherwise loop too next question.
            if (isset($data[$next]) && false === strpos($data[$next], 'SCORE:')) {
                $answersArray = [];
                $questionIndex++;
                continue;
            }
        } elseif (preg_match('/^SCORE:\s?(.*)/', $info, $matches)) {
            $exerciseInfo['question'][$questionIndex]['score'] = (float) $matches[1];
            $answersArray = [];
            $questionIndex++;
            continue;
        } elseif (preg_match('/^DESCRIPTION:\s?(.*)/', $info, $matches)) {
            $exerciseInfo['question'][$questionIndex]['description'] = $matches[1];
            $next = $line + 1;

            if (isset($data[$next]) && false !== strpos($data[$next], 'ANSWER_EXPLANATION:')) {
                continue;
            }
            // Check if next has score, otherwise loop too next question.
            if (isset($data[$next]) && false === strpos($data[$next], 'SCORE:')) {
                $answersArray = [];
                $questionIndex++;
                continue;
            }
        } elseif (preg_match('/^ANSWER_EXPLANATION:\s?(.*)/', $info, $matches)) {
            // Comment of correct answer
            $correctAnswerIndex = array_search($matches[1], $answersArray);
            $exerciseInfo['question'][$questionIndex]['feedback'] = $matches[1];
            $next = $line + 1;
            // Check if next has score, otherwise loop too next question.
            if (isset($data[$next]) && false === strpos($data[$next], 'SCORE:')) {
                $answersArray = [];
                $questionIndex++;
                continue;
            }
        } elseif (preg_match('/^TEXTO_CORRECTA:\s?(.*)/', $info, $matches)) {
            //Comment of correct answer (Spanish e-ducativa format)
            $correctAnswerIndex = array_search($matches[1], $answersArray);
            $exerciseInfo['question'][$questionIndex]['feedback'] = $matches[1];
        } elseif (preg_match('/^T:\s?(.*)/', $info, $matches)) {
            //Question Title
            $correctAnswerIndex = array_search($matches[1], $answersArray);
            $exerciseInfo['question'][$questionIndex]['title'] = $matches[1];
        } elseif (preg_match('/^TAGS:\s?([A-Z])\s?/', $info, $matches)) {
            //TAGS for chamilo >= 1.10
            $exerciseInfo['question'][$questionIndex]['answer_tags'] = explode(',', $matches[1]);
        } elseif (preg_match('/^ETIQUETAS:\s?([A-Z])\s?/', $info, $matches)) {
            //TAGS for chamilo >= 1.10 (Spanish e-ducativa format)
            $exerciseInfo['question'][$questionIndex]['answer_tags'] = explode(',', $matches[1]);
        } else {
            if (empty($exerciseInfo['question'][$questionIndex]['title'])) {
                $exerciseInfo['question'][$questionIndex]['title'] = $info;
            }
        }
    }

    $totalQuestions = count($exerciseInfo['question']);
    $totalWeight = (int) $exerciseInfo['total_weight'];
    foreach ($exerciseInfo['question'] as $key => $question) {
        if (!isset($exerciseInfo['question'][$key]['weighting'])) {
            continue;
        }
        $exerciseInfo['question'][$key]['weighting'][current(array_keys($exerciseInfo['question'][$key]['weighting']))] = $totalWeight / $totalQuestions;
    }