X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=modules%2Fsurvey%2Fsurvey.inc.php;h=c96a44d565f53a501b40d80be5ef07b6f6612157;hb=63331d9bdeca8d8d6b0cabd028705f69c7ba4440;hp=c50cc12eb6461f5d89330452987621b27a33df5b;hpb=e85e121558a37e06cbf2099843588a6e5e5c267a;p=platal.git diff --git a/modules/survey/survey.inc.php b/modules/survey/survey.inc.php index c50cc12..c96a44d 100644 --- a/modules/survey/survey.inc.php +++ b/modules/survey/survey.inc.php @@ -1,6 +1,6 @@ "sondage ouvert à tout le monde, anonyme", - self::MODE_XANON => "sondage restreint aux polytechniciens, anonyme", - self::MODE_XIDENT => "sondage restreint aux polytechniciens, non anonyme"); - private static $shortModes = array(self::MODE_ALL => "tout le monde, anonyme", - self::MODE_XANON => "polytechniciens, anonyme", - self::MODE_XIDENT => "polytechniciens, non anonyme"); + private $fetchQuestions = true; + public $questions = array(); - public static function getModes($long = true) { - return ($long)? self::$longModes : self::$shortModes; - } - - private static $types = array('text' => 'Texte court', - 'textarea' => 'Texte long', - 'num' => 'Numérique', - 'radio' => 'Choix multiples (une réponse)', - 'checkbox' => 'Choix multiples (plusieurs réponses)', - 'radiotable' => 'Questions multiples à choix multiples (une réponse)', - 'checkboxtable' => 'Questions multiples à choix mutliples (plusieurs réponses)'); - - public static function getTypes() - { - return self::$types; - } - - public static function isType($t) - { - return array_key_exists($t, self::$types); - } - // }}} - - // {{{ properties, constructor and basic methods - private $id; - private $title; - private $description; - private $end; - private $mode; - private $promos; - private $valid; - private $questions; - - public function __construct($args, $id = -1, $valid = false, $questions = null) - { - $this->update($args); - $this->id = $id; - $this->valid = $valid; - $this->questions = ($questions == null)? array() : $questions; - } - - public function update($args) - { - $this->title = $args['title']; - $this->description = $args['description']; - $this->end = $args['end']; - $this->mode = (isset($args['mode']))? $args['mode'] : self::MODE_ALL; - if ($this->mode == self::MODE_ALL) { - $args['promos'] = ''; - } - $this->promos = ($args['promos'] == '' || preg_match('#^(\d{4}-?|(\d{4})?-\d{4})(,(\d{4}-?|(\d{4})?-\d{4}))*$#', $args['promos']))? $args['promos'] : '#'; - } - // }}} - - // {{{ functions to access general information - public function isMode($mode) + public function __construct() { - return ($this->mode == $mode); + parent::__construct('surveys'); + $this->registerFieldValidator('shortname', 'ShortNameFieldValidator'); + $this->registerFieldFormatter('voters', 'JSonFieldFormatter'); + $this->registerFieldFormatter('viewers', 'JSonFieldFormatter'); } - public function checkPromo($promo) + protected function postFetch() { - if ($this->promos == '') { + if (!$this->fetchQuestions) { return true; } - $promos = explode(',', $this->promos); - foreach ($promos as $p) { - if ((preg_match('#^\d{4}$#', $p) && $p == $promo) || - (preg_match('#^\d{4}-$#', $p) && intval(substr($p, 0, 4)) <= $promo) || - (preg_match('#^-\d{4}$#', $p) && intval(substr($p, 1)) >= $promo) || - (preg_match('#^\d{4}-\d{4}$#', $p) && intval(substr($p, 0, 4)) <= $promo && intval(substr($p, 5)) >= $promo)) { - return true; - } - } - return false; - } - - public function isValid() - { - return $this->valid; - } - - public function isEnded() - { - return (strtotime($this->end) - time() <= 0); - } - - public function getTitle() - { - return $this->title; - } - // }}} - - // {{{ function toArray() : converts a question (or the whole survey) to array, with results if the survey is ended - public function toArray($i = 'all') - { - if ($i != 'all' && $i != 'root') { // if a specific question is requested, then just returns this question converted to array - $i = intval($i); - if (array_key_exists($i, $this->questions)) { - return $this->questions[$i]->toArray(); + $selector = new SurveyQuestion($this); + $selector->sid = $this->id; + + $stack = array(); + foreach ($selector as $question) { + $question = $question->typedInstance(); + if (is_null($question->parent)) { + $this->addQuestion($question); } else { - return null; - } - } else { // else returns the root converted to array in any case - $a = array('title' => $this->title, - 'description' => $this->description, - 'end' => $this->end, - 'mode' => $this->mode, - 'promos' => $this->promos, - 'valid' => $this->valid, - 'type' => 'root'); - if ($this->id != -1) { - $a['id'] = $this->id; - } - if ($this->isEnded()) { // if the survey is ended, then adds here the number of votes - $sql = 'SELECT COUNT(id) - FROM survey_votes - WHERE survey_id={?};'; - $tot = XDB::query($sql, $this->id); - $a['votes'] = $tot->fetchOneCell(); - } - if ($i == 'all' && count($this->questions) > 0) { // if the whole survey is requested, then returns all the questions converted to array - $qArr = array(); - for ($k = 0; $k < count($this->questions); $k++) { - $q = $this->questions[$k]->toArray(); - $q['id'] = $k; - if ($this->isEnded()) { // if the survey is ended, then adds here the results of this question - $q['result'] = $this->questions[$k]->getResultArray($this->id, $k); - } - $qArr[$k] = $q; + $pos = count($stack) - 1; + while ($stack[$pos]->qid != $question->parent) { + --$pos; + array_pop($stack); } - $a['questions'] = $qArr; + Platal::assert(count($stack) > 0, "Invalid question structure"); + Platal::assert($stack[$pos] instanceof SurveyQuestionContainer, "Invalid question type"); + $stack[$pos]->addQuestion($question); } - return $a; + array_push($stack, $question); } + return true; } - // }}} - // {{{ function toCSV() : builds a CSV file containing all the results of the survey - public function toCSV($sep = ',', $enc = '"', $asep='|') + protected function postSave() { - $nbq = count($this->questions); - //require_once dirname(__FILE__) . '/../../classes/varstream.php'; - VarStream::init(); - global $csv_output; - $csv_output = ''; - $csv = fopen('var://csv_output', 'w'); - $line = ($this->isMode(self::MODE_XIDENT))? array('id', 'Nom', 'Prenom', 'Promo') : array('id'); - $qids = array(); - for ($qid = 0; $qid < $nbq; $qid++) { - $qids[$qid] = count($line); // stores the first id of a question (in case of questions with subquestions) - array_splice($line, count($line), 0, $this->questions[$qid]->getCSVColumns()); // the first line contains the questions - } - $nbf = count($line); - $users = array(); - if ($this->isMode(self::MODE_XIDENT)) { // if the mode is non anonymous - $sql = 'SELECT v.id AS vid, a.nom, a.prenom, a.promo - FROM survey_votes AS v - INNER JOIN auth_user_md5 AS a - ON a.user_id=v.user_id - WHERE v.survey_id={?} - ORDER BY vid ASC;'; - $res = XDB::iterator($sql, $this->id); // retrieves all users data - for ($u = $res->next(); $u != null; $u = $res->next()) { - $users[$u['vid']] = array('nom' => $u['nom'], 'prenom' => $u['prenom'], 'promo' => $u['promo']); - } - } - $sql = 'SELECT v.id AS vid, a.question_id AS qid, a.answer AS answer - FROM survey_votes AS v - LEFT JOIN survey_answers AS a - ON a.vote_id=v.id - WHERE v.survey_id={?} - ORDER BY vid ASC, qid ASC, answer ASC;'; - $res = XDB::iterator($sql, $this->id); // retrieves all answers from database - $cur = $res->next(); - $vid = -1; - $vid_ = 0; - while ($cur != null) { - if ($vid != $cur['vid']) { // if the vote id changes, then starts a new line - fputcsv($csv, $line, $sep, $enc); // stores the former line into $csv_output - $vid = $cur['vid']; - $line = array_fill(0, $nbf, ''); // creates an array full of empty string - $line[0] = $vid_; // the first field is a 'clean' vote id (not the one stored in database) - if ($this->isMode(self::MODE_XIDENT)) { // if the mode is non anonymous - if (array_key_exists($vid, $users) && is_array($users[$vid])) { // and if the user data can be found - $line[1] = $users[$vid]['nom']; // adds the user data (in the first fields of the line) - $line[2] = $users[$vid]['prenom']; - $line[3] = $users[$vid]['promo']; - } - } - $vid_++; - } - $ans = $this->questions[$cur['qid']]->formatAnswer($cur['answer']); // formats the current answer - if (!is_null($ans)) { - if (is_array($ans)) { - $fid = $qids[$cur['qid']] + $ans['id']; // computes the field id - $a = $ans['answer']; - } else { - $fid = $qids[$cur['qid']]; - $a = $ans; - } - if ($line[$fid] != '') { // if this field already contains something - $line[$fid] .= $asep; // then adds a separator before adding the new answer - } - $line[$fid] .= $a; // adds the current answer to the correct field - } - $cur = $res->next(); // gets next answer - } - fputcsv($csv, $line, $sep, $enc); // stores the last line into $csv_output - return $csv_output; - } - // }}} + $questions = array(); + $selector = new SurveyQuestion($this); + $selector->sid = $this->id; + $selector->delete(); - // {{{ function factory($type, $args) : builds a question according to the given type - public function factory($t, $args) - { - switch ($t) { - case 'text': - return new SurveyText($args); - case 'textarea': - return new SurveyTextarea($args); - case 'num': - return new SurveyNum($args); - case 'radio': - return new SurveyRadio($args); - case 'checkbox': - return new SurveyCheckbox($args); - case 'radiotable': - return new SurveyRadioTable($args); - case 'checkboxtable': - return new SurveyCheckboxTable($args); - default: - return null; + $this->reassignQuestionIds(); + foreach ($this->questions as $question) { + $question->sid = $this->id; + $question->insert(); } } - // }}} - // {{{ questions manipulation functions - public function addQuestion($i, $c) + public function addQuestion(SurveyQuestion $question, $pos = null) { - $i = intval($i); - if ($this->valid || $i > count($this->questions)) { - return false; + $question->parent = null; + if (is_null($pos)) { + $this->questions[] = $question; } else { - array_splice($this->questions, $i, 0, array($c)); - return true; + array_splice($this->questions, $pos, 0, $question); } } - public function delQuestion($i) + public function newQuestion($type, $pos = null) { - $i = intval($i); - if ($this->valid || !array_key_exists($i, $this->questions)) { - return false; - } else { - array_splice($this->questions, $i, 1); - return true; - } + $question = SurveyQuestion::instanceForType($this, $type); + $this->addQuestion($question, $pos); + return $question; } - public function editQuestion($i, $a) + public function reassignQuestionIds() { - if ($i == 'root') { - $this->update($a); - } else { - $i = intval($i); - if ($this->valid ||!array_key_exists($i, $this->questions)) { - return false; + $id = 0; + foreach ($this->questions as $question) { + $question->qid = $id; + if ($question instanceof SurveyQuestionContainer) { + $id = $question->reassignQuestionIds(); } else { - $this->questions[$i]->update($a); + $id++; } } - return true; - } - // }}} - - // {{{ function checkSyntax() : checks syntax of the questions (currently the root only) before storing the survey in database - private static $errorMessages = array( - "datepassed" => "la date de fin de sondage est déjà dépassée : vous devez préciser une date future", - "promoformat" => "les restrictions à certaines promotions sont mal formattées" - ); - - public function checkSyntax() - { - $rArr = array(); - // checks that the end date given is not already passed - // (unless the survey has already been validated : an admin can have a validated survey expired) - if (!$this->valid && $this->isEnded()) { - $rArr[] = array('question' => 'root', 'error' => self::$errorMessages["datepassed"]); - } - if ($this->promos != '' && !preg_match('#^(\d{4}-?|(\d{4})?-\d{4})(,(\d{4}-?|(\d{4})?-\d{4}))*$#', $this->promos)) { - $rArr[] = array('question' => 'root', 'error' => self::$errorMessages["promoformat"]); - } - return (empty($rArr))? null : $rArr; + return $id; } - // }}} - // {{{ functions that manipulate surveys in database - // {{{ static function retrieveList() : gets the list of available survey (current, old and not validated surveys) - public static function retrieveList($type, $tpl = true) + public function export() { - switch ($type) { - case 'c': - case 'current': - $where = 'end > NOW()'; - break; - case 'o': - case 'old': - $where = 'end <= NOW()'; - break; - default: - return null; - } - $sql = 'SELECT id, title, end, mode - FROM survey_surveys - WHERE '.$where.' - ORDER BY end DESC;'; - if ($tpl) { - return XDB::iterator($sql); - } else { - return XDB::iterRow($sql); + $export = parent::export(); + $export['questions'] = array(); + foreach ($this->questions as $question) { + $export['questions'][] = $question->export(); } + return $export; } - // }}} - // {{{ static function retrieveSurvey() : gets a survey in database (and unserialize the survey object structure) - public static function retrieveSurvey($sid) + public function canSee(User $user) { - $sql = 'SELECT questions, title, description, end, mode, promos - FROM survey_surveys - WHERE id={?}'; - $res = XDB::query($sql, $sid); - $data = $res->fetchOneAssoc(); - if (is_null($data) || !is_array($data)) { - return null; + if ($this->uid == $user->id() || $user->hasFlag('admin')) { + return true; } - $survey = new Survey($data, $sid, true, unserialize($data['questions'])); - return $survey; - } - // }}} - - // {{{ static function retrieveSurveyInfo() : gets information about a survey (title, description, end date, restrictions) but does not unserialize the survey object structure - public static function retrieveSurveyInfo($sid) - { - $sql = 'SELECT title, description, end, mode, promos - FROM survey_surveys - WHERE id={?}'; - $res = XDB::query($sql, $sid); - return $res->fetchOneAssoc(); + return false; } - // }}} - // {{{ static function retrieveSurveyReq() : gets a survey request to validate - public static function retrieveSurveyReq($id) + public static function get($name, $fetchQuestions = true) { - require_once 'validations.inc.php'; - $surveyreq = Validate::get_request_by_id($id); - if ($surveyreq == null) { - return null; + if (is_array($name)) { + $name = $name[0]; } - $data = array('title' => $surveyreq->title, - 'description' => $surveyreq->description, - 'end' => $surveyreq->end, - 'mode' => $surveyreq->mode, - 'promos' => $surveyreq->promos); - $survey = new Survey($data, $id, false, $surveyreq->questions); - return $survey; - } - // }}} - - // {{{ function proposeSurvey() : stores a proposition of survey in database (before validation) - public function proposeSurvey() - { - require_once 'validations.inc.php'; - $surveyreq = new SurveyReq($this->title, $this->description, $this->end, $this->mode, $this->promos, $this->questions, S::user()); - return $surveyreq->submit(); - } - // }}} - - // {{{ function updateSurvey() : updates a survey in database (before validation) - public function updateSurvey() - { - if ($this->valid) { - $sql = 'UPDATE survey_surveys - SET questions={?}, - title={?}, - description={?}, - end={?}, - mode={?}, - promos={?} - WHERE id={?};'; - return XDB::execute($sql, serialize($this->questions), $this->title, $this->description, $this->end, $this->mode, $this->promos, $this->id); + $survey = new Survey(); + $survey->fetchQuestions = $fetchQuestions; + if (can_convert_to_integer($name)) { + $survey->id = $name; } else { - require_once 'validations.inc.php'; - $surveyreq = Validate::get_request_by_id($this->id); - if ($surveyreq == null) { - return false; - } - return $surveyreq->updateReq($this->title, $this->description, $this->end, $this->mode, $this->promos, $this->questions); + $survey->shortname = $name; } - } - // }}} - - // {{{ functions vote() and hasVoted() : handles vote to a survey - public function vote($uid, $args) - { - XDB::execute('INSERT INTO survey_votes - SET survey_id={?}, user_id={?};', $this->id, $uid); // notes the user as having voted - $vid = XDB::insertId(); - for ($i = 0; $i < count($this->questions); $i++) { - $ans = $this->questions[$i]->checkAnswer($args[$i]); - if (!is_null($ans) && is_array($ans)) { - foreach ($ans as $a) { - XDB::execute('INSERT INTO survey_answers - SET vote_id = {?}, - question_id = {?}, - answer = {?}', $vid, $i, $a); - } - } + if (!$survey->fetch()) { + return null; } + return $survey; } - public function hasVoted($uid) - { - $res = XDB::query('SELECT id - FROM survey_votes - WHERE survey_id={?} AND user_id={?};', $this->id, $uid); // checks whether the user has already voted - return ($res->numRows() != 0); - } - // }}} - - // {{{ static function deleteSurvey() : deletes a survey (and all its votes) - public static function deleteSurvey($sid) - { - $sql = 'DELETE s.*, v.*, a.* - FROM survey_surveys AS s - LEFT JOIN survey_votes AS v - ON v.survey_id=s.id - LEFT JOIN survey_answers AS a - ON a.vote_id=v.id - WHERE s.id={?};'; - return XDB::execute($sql, $sid); - } - // }}} - - // {{{ static function purgeVotes() : clears all votes concerning a survey (I'm not sure whether it's really useful) - public static function purgeVotes($sid) + public static function iterActive() { - $sql = 'DELETE v.*, a.* - FROM survey_votes AS v - LEFT JOIN survey_answers AS a - ON a.vote_id=v.id - WHERE v.survey_id={?};'; - return XDB::execute($sql, $sid); + $survey = new Survey(); + $survey->fetchQuestions = false; + return $survey->iterateOnCondition('begin <= CURDATE() AND end >= CURDATE() + AND FIND_IN_SET(\'validated\', flags)'); } - // }}} - - // }}} } -// }}} -// {{{ abstract class SurveyQuestion -abstract class SurveyQuestion +class ShortNameFieldValidator implements PlDBTableFieldValidator { - // {{{ common properties, constructor, and basic methods - private $question; - private $comment; - - public function __construct($args) - { - $this->update($args); - } - - public function update($a) - { - $this->question = $a['question']; - $this->comment = $a['comment']; - } - - abstract protected function getQuestionType(); - // }}} - - // {{{ function toArray() : converts to array - public function toArray() - { - return array('type' => $this->getQuestionType(), 'question' => $this->question, 'comment' => $this->comment); - } - // }}} - - // {{{ function checkSyntax() : checks question elements (before storing into database), not currently needed (with new structure) - protected function checkSyntax() - { - return null; - } - // }}} - - // {{{ function checkAnswer : returns a correct answer (or a null value if error) - public function checkAnswer($ans) + public function __construct(PlDBTableField $field, $value) { - return null; - } - // }}} - - // {{{ functions regarding the results of a survey - abstract public function getResultArray($sid, $qid); - - public function formatAnswer($ans) - { - return $ans; - } - - public function getCSVColumns() - { - return $this->question; + if (can_convert_to_integer($value) || !preg_match('/^[a-z0-9]+[-_\.a-z0-9]*[a-z0-9]+$/i', $value)) { + throw new PlDBBadValueException($value, $field, + 'The shortname can only contain alphanumerical caracters, dashes, underscores and dots'); + } } - // }}} } -// }}} -// {{{ abstract class SurveySimple and its derived classes : "open" questions -// {{{ abstract class SurveySimple extends SurveyQuestion -abstract class SurveySimple extends SurveyQuestion +interface SurveyQuestionContainer { - public function checkAnswer($ans) - { - return array($ans); - } - - public function getResultArray($sid, $qid) - { - $sql = 'SELECT answer - FROM survey_answers - WHERE vote_id IN (SELECT id FROM survey_votes WHERE survey_id={?}) - AND question_id={?} - ORDER BY RAND() - LIMIT 5;'; - $res = XDB::query($sql, $sid, $qid); - return $res->fetchAllAssoc(); - } + public function addQuestion(SurveyQuestion $question, $pos = null); + public function newQuestion($type, $pos = null); + public function reassignQuestionIds(); } -// }}} -// {{{ class SurveyText extends SurveySimple : simple text field, allowing a few words -class SurveyText extends SurveySimple +class SurveyQuestion extends PlDBTableEntry { - public function getQuestionType() - { - return "text"; - } -} -// }}} + protected $survey; + protected $parentQuestion; -// {{{ class SurveyTextarea extends SurveySimple : textarea field, allowing longer comments -class SurveyTextarea extends SurveySimple -{ - public function getQuestionType() + public function __construct(Survey $survey) { - return "textarea"; + parent::__construct('survey_questions'); + $this->registerFieldFormatter('parameters', 'JSonFieldFormatter'); + $this->survey = $survey; } -} -// }}} -// {{{ class SurveyNum extends SurveySimple : allows numerical answers -class SurveyNum extends SurveySimple -{ - public function checkAnswer($ans) + public function typedInstance() { - return array(intval($ans)); + $instance = self::instanceForType($this->survey, $this->type); + $instance->copy($this); + return $instance; } - protected function getQuestionType() + public static function instanceForType(Survey $survey, $type) { - return "num"; + require_once dirname(__FILE__) . '/' . $type . '.inc.php'; + $class = 'SurveyQuestion' . $type; + return new $class($survey); } } -// }}} -// }}} -// {{{ abstract class SurveyList and its derived classes : restricted questions that allows only a list of possible answers -// {{{ abstract class SurveyList extends SurveyQuestion -abstract class SurveyList extends SurveyQuestion +class SurveyQuestionGroup extends SurveyQuestion implements SurveyQuestionContainer { - protected $choices; - - public function update($args) - { - parent::update($args); - $this->choices = array(); - foreach ($args['choices'] as $val) { - if (trim($val) || trim($val) == '0') { - $this->choices[] = $val; - } - } - } + public $children = array(); - public function toArray() + public function __construct(Survey $survey) { - $rArr = parent::toArray(); - $rArr['choices'] = $this->choices; - return $rArr; + parent::__construct($survey); } - public function getResultArray($sid, $qid) + public function addQuestion(SurveyQuestion $question, $pos = null) { - $sql = 'SELECT answer, COUNT(id) AS count - FROM survey_answers - WHERE vote_id IN (SELECT id FROM survey_votes WHERE survey_id={?}) - AND question_id={?} - GROUP BY answer ASC'; - $res = XDB::query($sql, $sid, $qid); - return $res->fetchAllAssoc(); - } - - public function formatAnswer($ans) - { - if (array_key_exists($ans, $this->choices)) { - return $this->choices[$ans]; + $question->parentQuestion = $this; + if (is_null($pos)) { + $this->children[] = $question; } else { - return null; + array_splice($this->children, $pos, 0, $question); } } -} -// }}} - -// {{{ class SurveyRadio extends SurveyList : radio question, allows one answer among the list offered -class SurveyRadio extends SurveyList -{ - public function checkAnswer($ans) - { - $a = intval($ans); - return (array_key_exists($a, $this->choices))? array($a) : null; - } - protected function getQuestionType() + public function newQuestion($type, $pos = null) { - return "radio"; + $question = SurveyQuestion::instanceForType($this->survey, $type); + $this->addQuestion($question, $pos); + return $question; } -} -// }}} -// {{{ class SurveyCheckbox extends SurveyList : checkbox question, allows any number of answers among the list offered -class SurveyCheckbox extends SurveyList -{ - public function checkAnswer($ans) + public function reassignQuestionIds() { - $rep = array(); - foreach ($ans as $a) { - $a = intval($a); - if (array_key_exists($a, $this->choices)) { - $rep[] = $a; - } - } - return (count($rep) == 0)? null : $rep; - } - - protected function getQuestionType() - { - return "checkbox"; - } -} -// }}} -// }}} - -// {{{ abstract class SurveyTable and its derived classes : table question, each column represents a choice, each line represents a question -// {{{ abstract class SurveyTable extends SurveyList -abstract class SurveyTable extends SurveyList -{ - protected $subquestions; - - public function update($args) - { - parent::update($args); - $this->subquestions = array(); - foreach ($args['subquestions'] as $val) { - if (trim($val) || trim($val) == '0') { - $this->subquestions[] = $val; + $id = $this->qid + 1; + foreach ($this->children as $question) { + $question->qid = $id; + if ($question instanceof SurveyQuestionContainer) { + $id = $question->reassignQuestionIds(); + } else { + $id++; } } + return $id; } - public function toArray() - { - $rArr = parent::toArray(); - $rArr['subquestions'] = $this->subquestions; - return $rArr; - } - - public function getResultArray($sid, $qid) - { - $sql = 'SELECT answer, COUNT(id) AS count - FROM survey_answers - WHERE vote_id IN (SELECT id FROM survey_votes WHERE survey_id={?}) - AND question_id={?} - GROUP BY answer ASC'; - $res = XDB::iterator($sql, $sid, $qid); - $result = array(); - for ($i = 0; $i < count($this->subquestions); $i++) { - $result[$i] = array_fill(0, count($this->choices), 0); - } - while ($r = $res->next()) { - list($i, $j) = explode(':', $r['answer']); - $result[$i][$j] = $r['count']; - } - return $result; - } - - public function formatAnswer($ans) + protected function postSave() { - list($q, $c) = explode(':', $ans); - if (array_key_exists($q, $this->subquestions) && array_key_exists($c, $this->choices)) { - return array('id' => $q, 'answer' => $this->choices[$c]); - } else { - return null; + foreach ($this->children as $question) { + $question->sid = $this->sid; + $question->parent = $this->qid; + $question->insert(); } } - public function getCSVColumns() + public function export() { - $q = parent::getCSVColumns(); - if (empty($this->subquestions)) { - return $q; + $export = parent::export(); + $export['children'] = array(); + foreach ($this->children as $child) { + $export['children'][] = $child->export(); } - $a = array(); - for ($k = 0; $k < count($this->subquestions); $k++) { - $a[$k] = $q.' : '.$this->subquestions[$k]; - } - return $a; + return $export; } } -// }}} - -// {{{ class SurveyRadioTable extends SurveyTable : SurveyTable with radio type choices -class SurveyRadioTable extends SurveyTable -{ - public function checkAnswer($ans) - { - $rep = array(); - foreach ($ans as $k => $a) { - if (!array_key_exists($k, $this->subquestions)) { - continue; - } - $a = intval($a); - if (array_key_exists($a, $this->choices)) { - $rep[] = $k . ':' . $a; - } - } - return (count($rep) == 0)? null : $rep; - } - - protected function getQuestionType() - { - return "radiotable"; - } - -} -// }}} - -// {{{ class SurveyCheckboxTable extends SurveyTable : SurveyTable with checkbox type choices -class SurveyCheckboxTable extends SurveyTable -{ - public function checkAnswer($ans) - { - $rep = array(); - foreach ($ans as $k => $aa) { - if (!array_key_exists($k, $this->subquestions)) { - continue; - } - foreach ($aa as $a) { - $a = intval($a); - if (array_key_exists($a, $this->choices)) { - $rep[] = $k . ':' . $a; - } - } - } - return (count($rep) == 0)? null : $rep; - } - - protected function getQuestionType() - { - return "checkboxtable"; - } - -} -// }}} -// }}} // vim:set et sw=4 sts=4 ts=4 foldmethod=marker enc=utf-8: ?>