<?php
/***************************************************************************
- * Copyright (C) 2003-2010 Polytechnique.org *
+ * Copyright (C) 2003-2014 Polytechnique.org *
* http://opensource.polytechnique.org/ *
* *
* This program is free software; you can redistribute it and/or modify *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************/
-require_once dirname(__FILE__) . '/question.inc.php';
-require_once dirname(__FILE__) . '/answer.inc.php';
-
-class Survey extends PlDBTableEntry implements SurveyQuestionContainer
+// {{{ class Survey : root of any survey, contains all questions
+class Survey
{
- private $fetchQuestions = true;
- public $questions = array();
- public $viewerFilter = null;
- public $voterFilter = null;
+ // {{{ static properties and functions, regarding survey modes and question types
+ const MODE_ALL = 0;
+ const MODE_XANON = 1;
+ const MODE_XIDENT = 2;
+ private static $longModes = array(self::MODE_ALL => "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 $shortModes = array(self::MODE_ALL => "tout le monde, anonyme",
+ self::MODE_XANON => "polytechniciens, anonyme",
+ self::MODE_XIDENT => "polytechniciens, non anonyme");
+
+ public static function getModes($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 function __construct()
+ public static function getTypes()
{
- parent::__construct('surveys');
- $this->registerFieldValidator('shortname', 'ShortNameFieldValidator');
- $this->registerFieldFormatter('voters', 'JSonFieldFormatter');
- $this->registerFieldFormatter('viewers', 'JSonFieldFormatter');
+ return self::$types;
}
- protected function postFetch()
+ public static function isType($t)
{
- if (!is_null($this->voters)) {
- $this->voterFilter = UserFilter::fromExportedConditions($this->voters);
- } else {
- $this->voterFilter = null;
- }
- if (!is_null($this->viewers)) {
- $this->viewerFilter = UserFilter::fromExportedConditions($this->viewers);
- } else {
- $this->viewerFilter = null;
+ return array_key_exists($t, self::$types);
+ }
+ // }}}
+
+ // {{{ properties, constructor and basic methods
+ private $id;
+ private $title;
+ private $description;
+ private $end;
+ private $mode;
+ private $promos;
+ private $valid;
+ private $questions;
+ private $creator;
+
+ public function __construct($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;
+ $this->creator = $args['uid'];
+ if ($this->mode == self::MODE_ALL) {
+ $args['promos'] = '';
}
- if (!$this->fetchQuestions) {
+ $args['promos'] = str_replace(' ', '', $args['promos']);
+ $this->promos = ($args['promos'] == '' || preg_match('#^(\d{4}-?|(\d{4})?-\d{4})(,(\d{4}-?|(\d{4})?-\d{4}))*$#', $args['promos']))? $args['promos'] : '#';
+ }
+
+ public function canSeeEarlyResults(User $user)
+ {
+ return $user->id() == $this->creator || $user->checkPerms('admin');
+ }
+ // }}}
+
+ // {{{ functions to access general information
+ public function isMode($mode)
+ {
+ return ($this->mode == $mode);
+ }
+
+ public function checkPromo($promo)
+ {
+ if ($this->promos == '') {
return true;
}
- $selector = new SurveyQuestion($this);
- $selector->sid = $this->id;
-
- $stack = array();
- foreach ($selector as $question) {
- $question = $question->typedInstance();
- if (is_null($question->parent)) {
- $this->addQuestion($question);
+ $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)) >= $promo ||
+ intval(substr($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();
} else {
- $pos = count($stack) - 1;
- while ($stack[$pos]->qid != $question->parent) {
- --$pos;
- array_pop($stack);
+ 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] = $q;
}
- Platal::assert(count($stack) > 0, "Invalid question structure");
- Platal::assert($stack[$pos] instanceof SurveyQuestionContainer, "Invalid question type");
- $stack[$pos]->addQuestion($question);
+ $a['questions'] = $qArr;
}
- array_push($stack, $question);
+ return $a;
}
- return true;
}
+ // }}}
- protected function preSave()
+ // {{{ function toCSV() : builds a CSV file containing all the results of the survey
+ public function toCSV($sep = ',', $enc = '"', $asep='|')
{
- if (!is_null($this->voterFilter)) {
- $this->voters = $this->voterFilter->exportConditions();
- } else {
- $this->voters = null;
+ $nbq = count($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
}
- if (!is_null($this->viewerFilter)) {
- $this->viewers = $this->viewerFilter->exportConditions();
- } else {
- $this->viewers = null;
+ $nbf = count($line);
+ $users = array();
+ if ($this->isMode(self::MODE_XIDENT)) { // if the mode is non anonymous
+ $users = XDB::fetchAllAssoc('vid', 'SELECT v.id AS vid, v.uid
+ FROM survey_votes AS v
+ WHERE v.survey_id = {?}
+ ORDER BY vid ASC',
+ $this->id);
}
- return true;
+ $sql = 'SELECT v.id AS vid, a.question_id AS qid, a.answer AS answer
+ FROM survey_votes AS v
+ INNER 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
+ $vid = -1;
+ $vid_ = 0;
+ while (($cur = $res->next()) != null) {
+ if ($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)) { // and if the user data can be found
+ $user=PlUser::getWithUID($users[$vid]);
+ $line[1] = $user->lastName(); // adds the user data (in the first fields of the line)
+ $line[2] = $user->firstName();
+ $line[3] = $user->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] .= $a; // adds the current answer to the correct field
+ }
+ }
+ fputcsv($csv, $line, $sep, $enc); // stores the last line into $csv_output
+ return $csv_output;
}
+ // }}}
- protected function postSave()
+ // {{{ function factory($type, $args) : builds a question according to the given type
+ public function factory($t, $args)
{
- $questions = array();
- $selector = new SurveyQuestion($this);
- $selector->sid = $this->id;
- $selector->delete();
-
- $this->reassignQuestionIds();
- foreach ($this->questions as $question) {
- $question->sid = $this->id;
- $question->insert();
+ switch ($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;
}
}
+ // }}}
- public function addQuestion(SurveyQuestion $question, $pos = null)
+ // {{{ questions manipulation functions
+ public function addQuestion($i, $c)
{
- $question->parent = null;
- if (is_null($pos)) {
- $this->questions[] = $question;
+ $i = intval($i);
+ if ($this->valid || $i > count($this->questions)) {
+ return false;
} else {
- array_splice($this->questions, $pos, 0, $question);
+ array_splice($this->questions, $i, 0, array($c));
+ return true;
}
}
- public function newQuestion($type, $pos = null)
+ public function delQuestion($i)
{
- $question = SurveyQuestion::instanceForType($this, $type);
- $this->addQuestion($question, $pos);
- return $question;
+ $i = intval($i);
+ if ($this->valid || !array_key_exists($i, $this->questions)) {
+ return false;
+ } else {
+ array_splice($this->questions, $i, 1);
+ return true;
+ }
}
- public function questionForId($qid)
+ public function editQuestion($i, $a)
{
- $prev = null;
- foreach ($this->questions as $question) {
- if ($qid == $question->qid) {
- return $question;
- } else if ($qid < $question->qid) {
- Platal::assert($prev instanceof SurveyQuestionGroup,
- "Id gap must be caused by question groups");
- return $prev->child($qid);
+ if ($i == 'root') {
+ $this->update($a);
+ } else {
+ $i = intval($i);
+ if ($this->valid ||!array_key_exists($i, $this->questions)) {
+ return false;
+ } else {
+ $this->questions[$i]->update($a);
}
- $prev = $question;
}
- Platal::assert($prev instanceof SurveyQuestionGroup,
- "Id gap must be caused by question groups");
- return $prev->child($qid);
+ 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 formatées"
+ );
- public function reassignQuestionIds()
+ public function checkSyntax()
{
- $id = 0;
- foreach ($this->questions as $question) {
- $question->qid = $id;
- if ($question instanceof SurveyQuestionContainer) {
- $id = $question->reassignQuestionIds();
- } else {
- $id++;
- }
+ $rArr = array();
+ // checks that the end date given is not already passed
+ // (unless the survey has already been validated : an admin can have a validated survey expired)
+ if (!$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 $id;
+ return (empty($rArr))? null : $rArr;
}
+ // }}}
- public function export()
+ // {{{ functions that manipulate surveys in database
+ // {{{ static function retrieveList() : gets the list of available survey (current, old and not validated surveys)
+ public static function retrieveList($type, $tpl = true)
{
- $export = parent::export();
- $export['questions'] = array();
- foreach ($this->questions as $question) {
- $export['questions'][] = $question->export();
+ switch ($type) {
+ case 'c':
+ case 'current':
+ $where = 'end > NOW()';
+ break;
+ case 'o':
+ case 'old':
+ $where = 'end <= NOW()';
+ break;
+ default:
+ return null;
+ }
+ if (!S::user()->checkPerms(PERMS_USER)) {
+ $where .= XDB::format(' AND mode = {?}', self::MODE_ALL);
+ }
+ $sql = 'SELECT id, title, uid, end, mode
+ FROM surveys
+ WHERE '.$where.'
+ ORDER BY end DESC;';
+ if ($tpl) {
+ return XDB::iterator($sql);
+ } else {
+ return XDB::iterRow($sql);
}
- return $export;
}
+ // }}}
- /* Return an indicator of the progression of the survey:
- * negative values means 'the survey is not started'
- * 0 means 'the survey is in progress'
- * positive values means 'the survey expired'
- */
- public function progression()
+ // {{{ static function retrieveSurvey() : gets a survey in database (and unserialize the survey object structure)
+ public static function retrieveSurvey($sid)
{
- if (!$this->flags->hasFlag('validated')) {
- return -2;
- }
- $now = time();
- if ($this->begin->format('U') > $now) {
- return -1;
+ $sql = 'SELECT questions, title, description, end, mode, promos, uid
+ FROM surveys
+ WHERE id={?}';
+ $res = XDB::query($sql, $sid);
+ $data = $res->fetchOneAssoc();
+ if (is_null($data) || !is_array($data)) {
+ return null;
}
- if ($this->end->format('U') <= $now) {
- return 1;
+ $survey = new Survey($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 surveys
+ WHERE id={?}';
+ $res = XDB::query($sql, $sid);
+ return $res->fetchOneAssoc();
+ }
+ // }}}
+
+ // {{{ static function retrieveSurveyReq() : gets a survey request to validate
+ public static function retrieveSurveyReq($id)
+ {
+ $surveyreq = Validate::get_request_by_id($id);
+ if ($surveyreq == null) {
+ return null;
}
- return 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;
}
+ // }}}
- public function canSee(User $user)
+ // {{{ function proposeSurvey() : stores a proposition of survey in database (before validation)
+ public function proposeSurvey()
{
- if ($this->canSeeResults($user) || $this->canVote($user)) {
- return true;
+ $surveyreq = new SurveyReq($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) {
+ $sql = 'UPDATE surveys
+ SET questions={?},
+ title={?},
+ description={?},
+ end={?},
+ mode={?},
+ promos={?}
+ WHERE id={?};';
+ return XDB::execute($sql, serialize($this->questions), $this->title, $this->description, $this->end, $this->mode, $this->promos, $this->id);
+ } else {
+ $surveyreq = Validate::get_request_by_id($this->id);
+ if ($surveyreq == null) {
+ return false;
+ }
+ return $surveyreq->updateReq($this->title, $this->description, $this->end, $this->mode, $this->promos, $this->questions);
}
- return false;
}
+ // }}}
- public function canSeeResults(User $user)
+ // {{{ functions vote() and hasVoted() : handles vote to a survey
+ public function vote($uid, $args)
{
- if ($user->id() == $this->uid || $user->hasFlag('admin')) {
- return true;
+ XDB::execute('INSERT INTO survey_votes
+ SET survey_id = {?}, uid = {?}',
+ $this->id, ($uid == 0) ? null : $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, $a);
+ }
+ }
}
- if (is_null($this->viewerFilter)) {
- return $this->viewerFilter->checkUser($user);
+ }
+
+ public function hasVoted($uid)
+ {
+ $res = XDB::query('SELECT id
+ FROM survey_votes
+ WHERE survey_id = {?} AND uid = {?};', $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)
+ {
+ $sql = 'DELETE s.*, v.*, a.*
+ FROM surveys AS s
+ LEFT JOIN survey_votes AS v
+ ON v.survey_id=s.id
+ LEFT JOIN survey_answers AS a
+ ON a.vote_id=v.id
+ WHERE s.id={?};';
+ return XDB::execute($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)
+ {
+ $sql = 'DELETE v.*, a.*
+ FROM survey_votes AS v
+ LEFT JOIN survey_answers AS a
+ ON a.vote_id=v.id
+ WHERE v.survey_id={?};';
+ return XDB::execute($sql, $sid);
+ }
+ // }}}
+
+ // }}}
+}
+// }}}
+
+// {{{ abstract class SurveyQuestion
+abstract class SurveyQuestion
+{
+ // {{{ 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)
+ {
+ 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 $this->question;
+ }
+ // }}}
+}
+// }}}
+
+// {{{ abstract class SurveySimple and its derived classes : "open" questions
+// {{{ abstract class SurveySimple extends SurveyQuestion
+abstract class SurveySimple extends SurveyQuestion
+{
+ public function checkAnswer($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 $res->fetchAllAssoc();
+ }
+}
+// }}}
+
+// {{{ class SurveyText extends SurveySimple : simple text field, allowing a few words
+class SurveyText extends SurveySimple
+{
+ public function getQuestionType()
+ {
+ return "text";
+ }
+}
+// }}}
+
+// {{{ class SurveyTextarea extends SurveySimple : textarea field, allowing longer comments
+class SurveyTextarea extends SurveySimple
+{
+ public function getQuestionType()
+ {
+ return "textarea";
+ }
+}
+// }}}
+
+// {{{ class SurveyNum extends SurveySimple : allows numerical answers
+class SurveyNum extends SurveySimple
+{
+ public function checkAnswer($ans)
+ {
+ return array(intval($ans));
+ }
+
+ protected function getQuestionType()
+ {
+ return "num";
+ }
+}
+// }}}
+// }}}
+
+// {{{ 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
+{
+ 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;
+ }
}
- return false;
}
- public function canVote(User $user)
+ public function toArray()
+ {
+ $rArr = parent::toArray();
+ $rArr['choices'] = $this->choices;
+ return $rArr;
+ }
+
+ public function getResultArray($sid, $qid)
{
- $status = $this->progression();
- if ($status < 0) {
- return "Ce sondage n'est pas encore commencé";
- } else if ($status > 0) {
- return "Ce sondage est terminé";
+ $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];
+ } else {
+ return null;
}
- if (!is_null($this->voterFilter) && !$this->voterFilter->checkUser($user)) {
- return "Ce sondage ne s'adresse pas à toi";
+ }
+}
+// }}}
+
+// {{{ class SurveyRadio extends SurveyList : radio question, allows one answer among the list offered
+class SurveyRadio extends SurveyList
+{
+ public function checkAnswer($ans)
+ {
+ $a = intval($ans);
+ return (array_key_exists($a, $this->choices))? array($a) : null;
+ }
+
+ protected function getQuestionType()
+ {
+ return "radio";
+ }
+}
+// }}}
+
+// {{{ class SurveyCheckbox extends SurveyList : checkbox question, allows any number of answers among the list offered
+class SurveyCheckbox extends SurveyList
+{
+ public function checkAnswer($ans)
+ {
+ $rep = array();
+ foreach ($ans as $a) {
+ $a = intval($a);
+ if (array_key_exists($a, $this->choices)) {
+ $rep[] = $a;
+ }
}
- $vote = SurveyVote::getVote($this, $user, false);
- if (is_null($vote)) {
- return "Tu as déjà voté à ce sondage.";
+ 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;
+ }
}
- return true;
}
- public function vote(User $user, array $answers)
+ public function toArray()
+ {
+ $rArr = parent::toArray();
+ $rArr['subquestions'] = $this->subquestions;
+ return $rArr;
+ }
+
+ public function getResultArray($sid, $qid)
{
- if (!$this->canVote($user)) {
- return array('survey' => "Tu n'es pas autorisé à voter à ce sondage.");
+ $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);
}
- $vote = SurveyVote::getVote($this, $user);
- if (is_null($vote)) {
- return $vote;
+ while ($r = $res->next()) {
+ list($i, $j) = explode(':', $r['answer']);
+ $result[$i][$j] = $r['count'];
}
- $answers = new PlDict($answers);
- foreach ($this->questions as $question) {
- $question->vote($vote, $answers);
+ return $result;
+ }
+
+ public function formatAnswer($ans)
+ {
+ 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;
}
- return $vote;
}
- public static function get($name, $fetchQuestions = true)
+ public function getCSVColumns()
{
- if (is_array($name)) {
- $name = $name[0];
+ $q = parent::getCSVColumns();
+ if (empty($this->subquestions)) {
+ return $q;
}
- $survey = new Survey();
- $survey->fetchQuestions = $fetchQuestions;
- if (can_convert_to_integer($name)) {
- $survey->id = $name;
- } else {
- $survey->shortname = $name;
+ $a = array();
+ for ($k = 0; $k < count($this->subquestions); $k++) {
+ $a[$k] = $q.' : '.$this->subquestions[$k];
}
- if (!$survey->fetch()) {
- return null;
+ return $a;
+ }
+}
+// }}}
+
+// {{{ class SurveyRadioTable extends SurveyTable : SurveyTable with radio type choices
+class SurveyRadioTable extends SurveyTable
+{
+ public function checkAnswer($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 $survey;
+ return (count($rep) == 0)? null : $rep;
}
- public static function iterActive()
+ protected function getQuestionType()
{
- $survey = new Survey();
- $survey->fetchQuestions = false;
- return $survey->iterateOnCondition('begin <= CURDATE() AND end >= CURDATE()
- AND FIND_IN_SET(\'validated\', flags)');
+ return "radiotable";
}
+
}
+// }}}
-class ShortNameFieldValidator implements PlDBTableFieldValidator
+// {{{ class SurveyCheckboxTable extends SurveyTable : SurveyTable with checkbox type choices
+class SurveyCheckboxTable extends SurveyTable
{
- public function __construct(PlDBTableField $field, $value)
+ public function checkAnswer($ans)
{
- 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');
+ $rep = array();
+ foreach ($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:
+// vim:set et sw=4 sts=4 ts=4 foldmethod=marker fenc=utf-8:
?>
projects / platal.git / blobdiff