--- /dev/null
+<?php
+/***************************************************************************
+ * Copyright (C) 2003-2007 Polytechnique.org *
+ * http://opensource.polytechnique.org/ *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the Free Software *
+ * Foundation, Inc., *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
+ ***************************************************************************/
+
+class SurveyModule extends PLModule
+{
+ // {{{ function handlers() : registers the different handlers
+ function handlers()
+ {
+ return array(
+ 'survey' => $this->make_hook('index', AUTH_COOKIE),
+ 'survey/edit' => $this->make_hook('edit', AUTH_COOKIE),
+ 'survey/ajax' => $this->make_hook('ajax', AUTH_COOKIE),
+ 'survey/admin' => $this->make_hook('admin', AUTH_MDP, 'admin'),
+ 'survey/admin/edit' => $this->make_hook('adminEdit', AUTH_MDP, 'admin'),
+ 'survey/admin/valid' => $this->make_hook('adminValidate', AUTH_MDP, 'admin'),
+ 'survey/admin/del' => $this->make_hook('adminDelete', AUTH_MDP, 'admin'),
+ );
+ }
+ // }}}
+
+ // {{{ function handler_index() : lists all available surveys
+ function handler_index(&$page, $action = null)
+ {
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ $page->changeTpl('survey/index.tpl');
+ $page->assign('survey_current', SurveyDB::retrieveList('c'));
+ $page->assign('survey_old', SurveyDB::retrieveList('o'));
+ }
+ // }}}
+
+ // {{{ function handler_admin() : index of admin mode
+ function handler_admin(&$page)
+ {
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ $page->changeTpl('survey/admin.tpl');
+ $page->assign('survey_waiting', SurveyDB::retrieveList('w'));
+ $page->assign('survey_current', SurveyDB::retrieveList('c'));
+ $page->assign('survey_old', SurveyDB::retrieveList('o'));
+ }
+ // }}}
+
+ // {{{ function handler_adminEdit() : edits a survey in admin mode
+ function handler_adminEdit(&$page, $id)
+ {
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ $survey = SurveyDB::retrieveSurvey($id); // retrieves the survey in database
+ S::kill('survey'); // cleans session (in case there would have been a problem before)
+ S::kill('survey_id');
+ if ($survey->isValid()) {
+ return $this->show_error($page, "Il est impossible de modifier un sondage déjà validé", 'admin');
+ }
+ $_SESSION['survey'] = serialize($survey);
+ $_SESSION['survey_id'] = $id;
+ $this->handler_edit($page, 'show'); // calls handler_edit, but in admin mode since 'survey_id' is in session
+ }
+ // }}}
+
+ // {{{ function handler_adminValidate() : validates a survey (admin mode)
+ function handler_adminValidate(&$page, $id = -1)
+ {
+ if (Post::has('survey_cancel')) { // if the admin cancels the validation, returns to the admin index
+ return $this->handler_admin(&$page);
+ }
+ $id = Post::v('survey_id', $id);
+ if ($id == -1) {
+ return $this->show_error($page, "Un identifiant de sondage doit être précisé.", 'admin');
+ }
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ $surveyInfo = SurveyDB::retrieveSurveyInfo($id); // retrieves information about the survey (does not retrieve and unserialize the object structure)
+ if ($surveyInfo == null) {
+ return $this->show_error($page, "Sondage ".$id." introuvable.", 'admin');
+ }
+ if (Post::has('survey_submit')) { // needs a confirmation before validation
+ if (SurveyDB::validateSurvey($id)) { // validates the survey (in the database)
+ $this->show_success($page, "Le sondage \"".$surveyInfo['title']."\" a bien été validé, les votes sont maintenant ouverts.", 'admin');
+ } else {
+ $this->show_error($page, '', 'admin');
+ }
+ } else { // asks for a confirmation
+ $this->show_confirm($page, "Êtes-vous certain de vouloir valider le sondage \"".$surveyInfo['title']."\" ? "
+ ."Les votes seront immédiatement ouverts.", 'admin/valid', array('id' => $id));
+ }
+ }
+ // }}}
+
+ // {{{ function handler_adminDelete() : deletes a survey (admin mode)
+ function handler_adminDelete(&$page, $id = -1)
+ {
+ if (Post::has('survey_cancel')) { // if the admin cancels the suppression, returns to the admin index
+ return $this->handler_admin(&$page);
+ }
+ $id = Post::v('survey_id', $id);
+ if ($id == -1) {
+ return $this->show_error($page, "Un identifiant de sondage doit être précisé.", 'admin');
+ }
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ $surveyInfo = SurveyDB::retrieveSurveyInfo($id); // retrieves information about the survey (does not retrieve and unserialize the object structure)
+ if ($surveyInfo == null) {
+ return $this->show_error($page, "Sondage ".$id." introuvable.", 'admin');
+ }
+ if (Post::has('survey_submit')) { // needs a confirmation before suppression
+ if (SurveyDB::deleteSurvey($id)) { // deletes survey in database
+ $this->show_success($page, "Le sondage \"".$surveyInfo['title']."\" a bien été supprimé, ainsi que tous les votes le concernant.", 'admin');
+ } else {
+ $this->show_error($page, '', 'admin');
+ }
+ } else { // asks for a confirmation
+ $this->show_confirm($page, "Êtes-vous certain de vouloir supprimer le sondage \"".$surveyInfo['title']."\" ?", 'admin/delete', array('id' => $id));
+ }
+ }
+ // }}}
+
+ // {{{ function handler_edit() : edits a survey (in normal mode unless called by handler_adminEdit() )
+ function handler_edit(&$page, $action = 'show', $qid = 0)
+ {
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ $action = Post::v('survey_action', $action);
+ $qid = Post::v('survey_qid', $qid);
+ if (Post::has('survey_cancel')) { // after cancelling changes, shows the survey
+ if (S::has('survey')) {
+ $action = 'show';
+ } else { // unless no editing has been done at all (shows to the surveys index page)
+ return $this->handler_index($page);
+ }
+ }
+ if (S::has('survey_id')) { // if 'survey_id' is in session, it means we are modifying a survey in admin mode
+ $page->assign('survey_adminmode', true);
+ }
+ if ($action == 'show' && !S::has('survey')) {
+ $action = 'new';
+ }
+ if ($action == 'question') { // {{{ modifies an existing question
+ if (Post::has('survey_submit')) { // if the form has been submitted, makes the modifications
+ $survey = unserialize(S::v('survey'));
+ $args = Post::v('survey_question');
+ if (!$survey->edit($qid, $args)) { // update the survey object structure
+ return $this->show_error($page, '', 'edit');
+ }
+ $this->show_survey($page, $survey);
+ $_SESSION['survey'] = serialize($survey);
+ } else { // if a form has not been submitted, shows modification form
+ $survey = unserialize(S::v('survey'));
+ $current = $survey->searchToArray($qid); // gets the current parameters of the question
+ if ($current == null) {
+ return $this->show_error($page, '', 'edit');
+ }
+ $this->show_form($page, $action, $qid, $current['type'], $current);
+ } // }}}
+ } elseif ($action == 'new') { // {{{ create a new survey : actually store the root question
+ if (Post::has('survey_submit')) { // if the form has been submitted, creates the survey
+ S::kill('survey');
+ S::kill('survey_id');
+ $survey = new SurveyRoot(Post::v('survey_question')); // creates the object structure
+ $this->show_survey($page, $survey);
+ $_SESSION['survey'] = serialize($survey);
+ } else {
+ S::kill('survey');
+ S::kill('survey_id');
+ $this->show_form($page, $action, 0, 'root');
+ } // }}}
+ } elseif ($action == 'nested' || $action == 'after') { // {{{ adds a new question, nested in the current node, or on the same level after it
+ if (Post::has('survey_submit')) { // if the form has been submitted, adds the question
+ $survey = unserialize(S::v('survey'));
+ $question = $survey->factory(Post::v('survey_type'), Post::v('survey_question')); // creates the question object, with a sort of 'factory' method
+ if ($action == 'nested') {
+ if (!$survey->addChildNested($qid, $question)) {
+ return $this->show_error($page, '', 'edit');
+ }
+ } else {
+ if (!$survey->addChildAfter($qid, $question)) {
+ return $this->show_error($page, '', 'edit');
+ }
+ }
+ $this->show_survey($page, $survey);
+ $_SESSION['survey'] = serialize($survey);
+ } else {
+ $this->show_form($page, $action, $qid);
+ } // }}}
+ } elseif ($action == 'del') { // {{{ deletes a question
+ if (Post::has('survey_submit')) { // if a confirmation has been sent, deletes the question
+ $survey = unserialize(S::v('survey'));
+ if (!$survey->delChild(Post::v('survey_qid'))) { // deletes the node in the survey object structure
+ return $this->show_error($page, '', 'edit');
+ }
+ $this->show_survey($page, $survey);
+ $_SESSION['survey'] = serialize($survey);
+ } else { // if user has not confirmed, shows a confirmation form
+ $survey = unserialize(S::v('survey'));
+ $current = $survey->searchToArray($qid); // needed to get the title of the question to delete (more user-friendly than an id)
+ if ($current == null) {
+ return $this->show_error($page, '', 'edit');
+ }
+ $this->show_confirm($page, 'Êtes-vous certain de vouloir supprimer la question intitulé "'.$current['question'].'" ? '
+ .'Attention, cela supprimera en même temps toutes les questions qui dépendent de celle-ci.',
+ 'edit', array('action' => 'del', 'qid' => $qid));
+ } // }}}
+ } elseif ($action == 'show') { // {{{ simply shows the survey in its current state
+ $this->show_survey($page, unserialize(S::v('survey'))); // }}}
+ } elseif ($action == 'valid') { // {{{ validates the proposition, i.e stores the proposition in the database
+ // but an admin will still need to validate the survey before it is activated
+ if (Post::has('survey_submit')) { // needs a confirmation before storing the proposition
+ $survey = unserialize(S::v('survey'));
+ if (S::has('survey_id')) { // if 'survey_id' is in session, we are modifying an existing survey (in admin mode) instead of proposing a new one
+ if (SurveyDB::updateSurvey($survey, S::v('survey_id'))) { // updates the database according the new survey object structure
+ $this->show_success($page, "Les modifications sur le sondage ont bien été enregistrées.", 'admin');
+ } else {
+ $this->show_error($page, '', 'admin');
+ }
+ } else { // if no 'survey_id' is in session, we are indeed proposing a new survey
+ if (SurveyDB::proposeSurvey($survey)) { // stores the survey object structure in database
+ $this->show_success($page, "Votre proposition de sondage a bien été enregistrée,
+ elle est en attent de validation par un administrateur du site.", '');
+ } else {
+ $this->show_error($page);
+ }
+ }
+ S::kill('survey'); // cleans session
+ S::kill('survey_id');
+ } else { // asks for a confirmation if it has not been sent
+ $survey = unserialize(S::v('survey'));
+ $errors = $survey->checkSyntax();
+ if (!is_null($errors)) {
+ $this->show_error($page, "", 'edit', $errors);
+ } else {
+ if (S::has('survey_id')) {
+ $this->show_confirm($page, "Veuillez confirmer l'enregistrement des modifications apportées à ce sondage", 'edit', array('action' => 'valid'));
+ } else {
+ $this->show_confirm($page, "Veuillez confirmer l'envoi de cette proposition de sondage.", 'edit', array('action' => 'valid'));
+ }
+ }
+ } // }}}
+ } elseif ($action == 'cancel') { // {{{ cancels the creation/modification of a survey
+ if (Post::has('survey_submit')) { // needs a confirmation
+ S::kill('survey'); // cleans session
+ if (S::has('survey_id')) { // only possible when modifying a survey in admin mode, still this should be considered again,
+ S::kill('survey_id'); // maybe some name with "admin" in it, "survey_adminid" or anything that might not be confusing.
+ return $this->handler_admin($page); // in this case, shows the admin index
+ } else {
+ return $this->handler_index($page); // else shows the 'normal' index
+ }
+ } else { // asks for a confirmation if it has not been sent
+ $this->show_confirm(&$page, "Êtes-vous certain de vouloir annuler totalement l'édition de ce sondage ? Attention, "
+ ."toutes les données éditées jusque lâ seront définitivement perdues.",
+ 'edit', array('action' => $action));
+ }
+ } // }}}
+ }
+ // }}}
+
+ // {{{ function handler_ajax() : some ajax in editing a new question (for now, there may be a little more later)
+ function handler_ajax(&$page, $type)
+ {
+ require_once dirname(__FILE__).'/survey/survey.inc.php';
+ header('Content-Type: text/html; charset="UTF-8"');
+ if (SurveyQuestion::isType($type)) { // when type has been chosen, the form is updated to fit exactly the type of question chosen
+ $page->changeTpl('survey/edit_new.tpl', NO_SKIN);
+ $page->assign('survey_types', SurveyQuestion::getTypes());
+ $page->assign('survey_type', $type);
+ }
+ }
+ // }}}
+
+ // {{{ function show_survey() : calls the template to display a survey, for editing, voting, or consulting the results
+ function show_survey(&$page, $survey)
+ {
+ $page->changeTpl('survey/show_survey.tpl');
+ $page->assign('survey_mode', 'edit'); // for now, only editing has been completely implemented
+ $page->assign('survey', $survey->toArray());
+ }
+ // }}}
+
+ // {{{ function show_form() : calls the template to display the editing form
+ function show_form(&$page, $action, $qid, $type = 'new', $current = null)
+ {
+ $page->changeTpl('survey/edit_survey.tpl');
+ $page->assign('survey_action', $action);
+ $page->assign('survey_qid', $qid);
+ $page->assign('survey_formaction', './survey/edit');
+ $page->assign('survey_type', $type);
+ if (!is_null($current) && is_array($current)) {
+ $page->assign('survey_current', $current);
+ } elseif ($type == 'new') {
+ $page->addJsLink('ajax.js');
+ $page->assign('survey_types', SurveyQuestion::getTypes());
+ }
+ }
+ // }}}
+
+ // {{{ function show_confirm() : calls the template to display a confirm form
+ function show_confirm(&$page, $message, $formaction, $formhidden)
+ {
+ $page->changeTpl('survey/confirm.tpl');
+ $page->assign('survey_message', $message);
+ $page->assign('survey_formaction', './survey/'.$formaction);
+ $page->assign('survey_formhidden', $formhidden);
+ }
+ // }}}
+
+ // {{{ function show_error() : calls the template to display an error message
+ function show_error(&$page, $message, $link = "", $errArray = null)
+ {
+ $page->changeTpl('survey/error.tpl');
+ $page->assign('survey_message', $message);
+ $page->assign('survey_link', './survey/'.$link); // 'return' link to let the user leave the page
+ if (!is_null($errArray)) {
+ $page->assign('survey_errors', $errArray);
+ }
+ }
+ // }}}
+
+ // {{{ function show_success() : calls the template to display a success message
+ function show_success(&$page, $message = "", $link = "")
+ {
+ $page->changeTpl('survey/success.tpl');
+ $page->assign('survey_message', $message);
+ $page->assign('survey_link', './survey/'.$link); // 'return' link to let the user leave the page
+ }
+ // }}}
+}
+
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
+?>
--- /dev/null
+<?php
+/***************************************************************************
+ * Copyright (C) 2003-2007 Polytechnique.org *
+ * http://opensource.polytechnique.org/ *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the Free Software *
+ * Foundation, Inc., *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
+ ***************************************************************************/
+
+// {{{ class Survey : static database managing functions
+class SurveyDB
+{
+ // {{{ static function retrieveList() : gets the list of available survey (current, old and not validated surveys)
+ public static function retrieveList($type, $tpl = true)
+ {
+ switch ($type) {
+ case 'w':
+ case 'waiting' :
+ $where = 'valid=0';
+ break;
+ case 'c':
+ case 'current':
+ $where = 'valid=1 AND end > NOW()';
+ break;
+ case 'o':
+ case 'old':
+ $where = 'valid=1 AND end <= NOW()';
+ break;
+ default:
+ return null;
+ }
+ $sql = 'SELECT survey_id, title, end
+ FROM survey_questions
+ WHERE '.$where.';';
+ if ($tpl) {
+ return XDB::iterator($sql);
+ } else {
+ return XDB::iterRow($sql);
+ }
+ }
+ // }}}
+
+ // {{{ static function proposeSurvey() : stores a proposition of survey in database (before validation)
+ public static function proposeSurvey($survey)
+ {
+ $sql = 'INSERT INTO survey_questions
+ SET questions={?},
+ title={?},
+ description={?},
+ author_id={?},
+ end={?},
+ promos={?},
+ valid=0;';
+ $data = $survey->storeArray();
+ return XDB::execute($sql, serialize($survey), $data['question'], $data['comment'], S::v('uid'), $data['end'], $data['promos']);
+ }
+ // }}}
+
+ // {{{ static function updateSurvey() : updates a survey in database (before validation)
+ public static function updateSurvey($survey, $sid)
+ {
+ $sql = 'UPDATE survey_questions
+ SET questions={?},
+ title={?},
+ description={?},
+ end={?},
+ promos={?}
+ WHERE survey_id={?};';
+ $data = $survey->storeArray();
+ return XDB::execute($sql, serialize($survey), $data['question'], $data['comment'], $data['end'], $data['promos'], $sid);
+ }
+ // }}}
+
+ // {{{ static function retrieveSurvey() : gets a survey in database (and unserialize the survey object structure)
+ public static function retrieveSurvey($sid)
+ {
+ $sql = 'SELECT questions, title, description, end, promos, valid
+ FROM survey_questions
+ WHERE survey_id={?}';
+ $res = XDB::query($sql, $sid);
+ $data = $res->fetchOneAssoc();
+ $survey = unserialize($data['questions']);
+ if (isset($data['end'])) {
+ $data['end'] = preg_replace('#^(\d{4})-(\d{2})-(\d{2})$#', '\3/\2/\1', $data['end']);
+ }
+ $survey->update(array('question' => $data['title'], 'comment' => $data['description'], 'end' => $data['end'], 'promos' => $data['promos']));
+ $survey->setValid($data['valid']);
+ 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, promos, valid
+ FROM survey_questions
+ WHERE survey_id={?}';
+ $res = XDB::query($sql, $sid);
+ return $res->fetchOneAssoc();
+ }
+ // }}}
+
+ // {{{ static function validateSurvey() : validates a survey
+ public static function validateSurvey($sid)
+ {
+ $sql = 'UPDATE survey_questions
+ SET valid=1
+ WHERE survey_id={?};';
+ return XDB::execute($sql, $sid);
+ }
+ // }}}
+
+ // {{{ static function deleteSurvey() : deletes a survey (and all its votes)
+ public static function deleteSurvey($sid)
+ {
+ $sql1 = 'DELETE FROM survey_questions
+ WHERE survey_id={?};';
+ $sql2 = 'DELETE FROM survey_answers
+ WHERE survey_id={?};';
+ $sql3 = 'DELETE FROM survey_votes
+ WHERE survey_id={?};';
+ return (XDB::execute($sql1, $sid) && XDB::execute($sql2, $sid) && XDB::execute($sql3, $sid));
+ }
+ // }}}
+}
+// }}}
+
+// {{{ abstract class SurveyQuestion
+abstract class SurveyQuestion
+{
+ // {{{ static properties and methods regarding question types
+ private static $types = array('text' => 'texte court',
+ 'textarea' => 'texte long',
+ 'num' => 'numérique',
+ 'radio' => 'radio',
+ 'checkbox' => 'checkbox',
+ 'personal' => 'informations personnelles');
+
+ public static function getTypes()
+ {
+ return self::$types;
+ }
+
+ public static function isType($t)
+ {
+ return array_key_exists($t, self::$types);
+ }
+ // }}}
+
+ // {{{ common properties, constructor, and basic methods
+ private $survey_id;
+ private $id;
+ private $question;
+ private $comment;
+
+ protected function SurveyQuestion($i, $args)
+ {
+ $this->id = $i;
+ $this->update($args);
+ }
+
+ protected function update($a)
+ {
+ $this->question = $a['question'];
+ $this->comment = $a['comment'];
+ }
+
+ protected function getId()
+ {
+ return $this->id;
+ }
+
+ abstract protected function getQuestionType();
+ // }}}
+
+ // {{{ tree manipulation methods : not implemented here (but definition needed)
+ protected function addChildNested($i, $c)
+ {
+ return false;
+ }
+
+ protected function addChildAfter($i, $c)
+ {
+ return false;
+ }
+
+ protected function delChild($i)
+ {
+ return false;
+ }
+ // }}}
+
+ // {{{ function edit($i, $a) : searches and edits question $i
+ protected function edit($i, $a)
+ {
+ if ($this->id == $i) {
+ $this->update($a);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ // }}}
+
+ // {{{ functions toArray() and searchToArray($i) : (searches and) converts to array
+ protected function toArray()
+ {
+ return $this->storeArray();
+ }
+
+ protected function searchToArray($i)
+ {
+ if ($this->id == $i) {
+ return $this->storeArray();
+ } else {
+ return null;
+ }
+ }
+
+ protected function storeArray()
+ {
+ return array('type' => $this->getQuestionType(), 'id' => $this->id, 'question' => $this->question, 'comment' => $this->comment);
+ }
+ // }}}
+
+ // {{{ function checkSyntax() : checks question elements (before storing into database)
+ protected function checkSyntax()
+ {
+ return null;
+ }
+ // }}}
+
+ // {{{ function vote() : handles vote
+ protected function checkAnswer($ans)
+ {
+ return "";
+ }
+
+ function vote($sid, $vid, $a)
+ {
+ $ans = $this->checkAnswer($a[$this->getId]);
+ if ($ans != "") {
+ XDB::execute(
+ 'INSERT INTO survey_answers
+ SET survey_id = {?},
+ vote_id = {?},
+ question_id = {?},
+ answer = "{?}"', $sid, $vid, $id, $ans);
+ }
+ }
+ // }}}
+}
+// }}}
+
+// {{{ abstract class SurveyTreeable extends SurveyQuestion : questions that allow nested ones
+abstract class SurveyTreeable extends SurveyQuestion
+{
+ // {{{ common properties, constructor
+ private $children;
+
+ protected function SurveyTreeable($i, $args)
+ {
+ parent::__construct($i, $args);
+ $this->children = array();
+ }
+ // }}}
+
+ // {{{ tree manipulation functions : actual implementation
+ protected function hasChild()
+ {
+ return !is_null($this->children) && is_array($this->children);
+ }
+
+ protected function addChildNested($i, $c)
+ {
+ if ($this->getId() == $i) {
+ if ($this->hasChild()) {
+ array_unshift($this->children, $c);
+ } else {
+ $this->children = array($c);
+ }
+ return true;
+ } else {
+ foreach ($this->children as $child) {
+ if ($child->addChildNested($i, $c)) {
+ return true;
+ }
+ }
+ return false;
+ }
+ }
+
+ protected function addChildAfter($i, $c)
+ {
+ $found = false;
+ for ($k = 0; $k < count($this->children); $k++) {
+ if ($this->children[$k]->getId() == $i) {
+ $found = true;
+ break;
+ } else {
+ if ($this->children[$k]->addChildAfter($i, $c)) {
+ return true;
+ }
+ }
+ }
+ if ($found) {
+ array_splice($this->children, $k+1, 0, array($c));
+ return true;
+ }
+ return false;
+ }
+
+ protected function delChild($i)
+ {
+ $found = false;
+ for ($k = 0; $k < count($this->children); $k++) {
+ if ($this->children[$k]->getId() == $i) {
+ $found = true;
+ break;
+ } else {
+ if ($this->children[$k]->delChild($i)) {
+ return true;
+ }
+ }
+ }
+ if ($found) {
+ array_splice($this->children, $k, 1);
+ return true;
+ }
+ return false;
+ }
+ // }}}
+
+ // {{{ function edit() with tree support
+ protected function edit($i, $a)
+ {
+ if ($this->getId() == $i) {
+ $this->update($a);
+ return true;
+ } else {
+ foreach ($this->children as $child) {
+ if ($child->edit($i, $a)) {
+ return true;
+ }
+ }
+ return false;
+ }
+ }
+ // }}}
+
+ // {{{ functions toArray() and searchToArray() with tree support
+ protected function toArray()
+ {
+ if ($this->hasChild()) {
+ $cArr = array();
+ foreach ($this->children as $child) {
+ $cArr[] = $child->toArray();
+ }
+ $a = $this->storeArray();
+ $a['children'] = $cArr;
+ return $a;
+ } else {
+ return $this->storeArray();
+ }
+ }
+
+ protected function searchToArray($i)
+ {
+ if ($this->getId() == $i) {
+ return $this->storeArray();
+ } else {
+ foreach ($this->children as $child) {
+ $a = $child->searchToArray($i);
+ if (!is_null($a) && is_array($a)) {
+ return $a;
+ }
+ }
+ return null;
+ }
+ }
+ // }}}
+
+ // {{{ function checkSyntax()
+ protected function checkSyntax()
+ {
+ $rArr = array();
+ foreach ($this->children as $child) {
+ $a = $child->checkSyntax();
+ if ($a != null) {
+ $rArr[] = $a;
+ }
+ }
+ return (empty($rArr))? null : $rArr;
+ }
+ // }}}
+
+ // {{{ function vote()
+ function vote($sid, $vid, $a)
+ {
+ parent::vote($sid, $vid, $a);
+ if ($this->hasChild()) {
+ foreach ($this->children as $c) {
+ $c->vote($sid, $vid, $a);
+ }
+ }
+ }
+ // }}}
+}
+// }}}
+
+// {{{ class SurveyRoot extends SurveyTreeable : root of any survey, actually the only entry point (no public methods outside this class)
+class SurveyRoot extends SurveyTreeable
+{
+ // {{{ properties, constructor and basic methods
+ private $last_id;
+ private $beginning;
+ private $end;
+ private $promos;
+ private $valid;
+
+ public function SurveyRoot($args)
+ {
+ parent::__construct(0, $args);
+ $this->last_id = 0;
+ }
+
+ public function update($args)
+ {
+ parent::update($args);
+ //$this->beginning = $args['beginning_year'] . "-" . $args['beginning_month'] . "-" . $args['beginning_day'];
+ //$this->end = $args['end_year'] . "-" . $args['end_year'] . "-" . $args['end_day'];
+ if (preg_match('#^\d{2}/\d{2}/\d{4}$#', $args['end'])) {
+ $this->end = preg_replace('#^(\d{2})/(\d{2})/(\d{4})$#', '\3-\2-\1', $args['end']);
+ } else {
+ $this->end = (preg_match('#^\d{4}-\d{2}-\d{2}$#', $args['end']))? $args['end'] : '#';
+ }
+ $this->promos = ($args['promos'] == '' || preg_match('#^(\d{4}-?|(\d{4})?-\d{4})(,(\d{4}-?|(\d{4})?-\d{4}))*$#', $args['promos']))? $args['promos'] : '#';
+ }
+
+ private function getNextId()
+ {
+ $this->last_id++;
+ return $this->last_id;
+ }
+
+ public function setValid($v)
+ {
+ $this->valid = (intval($v) != 0);
+ }
+
+ public function isValid()
+ {
+ return $this->valid;
+ }
+
+ protected function getQuestionType()
+ {
+ return "root";
+ }
+ // }}}
+
+ // {{{ function factory($type, $args) : builds a question according to the given type
+ public function factory($t, $args)
+ {
+ $i = $this->getNextId();
+ switch ($t) {
+ case 'text':
+ return new SurveyText($i, $args);
+ case 'textarea':
+ return new SurveyTextarea($i, $args);
+ case 'num':
+ return new SurveyNum($i, $args);
+ case 'radio':
+ return new SurveyRadio($i, $args);
+ case 'checkbox':
+ return new SurveyCheckbox($i, $args);
+ case 'personal':
+ return new SurveyPersonal($i, $args);
+ default:
+ return null;
+ }
+ }
+ // }}}
+
+ // {{{ methods needing public access
+ public function addChildNested($i, $c)
+ {
+ return parent::addChildNested($i, $c);
+ }
+
+ public function addChildAfter($i, $c)
+ {
+ return parent::addChildAfter($i, $c);
+ }
+
+ public function delChild($i)
+ {
+ return parent::delChild($i);
+ }
+
+ public function edit($i, $a)
+ {
+ return parent::edit($i, $a);
+ }
+
+ public function toArray()
+ {
+ return parent::toArray();
+ }
+
+ public function searchToArray($i)
+ {
+ return parent::searchToArray($i);
+ }
+ // }}}
+
+ // {{{ function storeArray()
+ public function storeArray()
+ {
+ $rArr = parent::storeArray();
+ $rArr['beginning'] = $this->beginning;
+ $rArr['end'] = $this->end;
+ $rArr['promos'] = $this->promos;
+ return $rArr;
+ }
+ // }}}
+
+ // {{{ function checkSyntax()
+ private static $errorMessages = array(
+ "dateformat" => "la date de fin de sondage est mal formattée : elle doit respecter la syntaxe dd/mm/aaaa",
+ "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()
+ {
+ $rArr = parent::checkSyntax();
+ if (!preg_match('#^\d{4}-\d{2}-\d{2}$#', $this->end)) {
+ $rArr[] = array('question' => $this->getId(), 'error' => self::$errorMessages["dateformat"]);
+ } else {
+ if (strtotime($this->end) - time() <= 0) {
+ $rArr[] = array('question' => $this->getId(), 'error' => self::$errorMessages["datepassed"]);
+ }
+ }
+ if ($this->promos != '' && !preg_match('#^(\d{4}-?|(\d{4})?-\d{4})(,(\d{4}-?|(\d{4})?-\d{4}))*$#', $this->promos)) {
+ $rArr[] = array('question' => $this->getId(), 'error' => self::$errorMessages["promoformat"]);
+ }
+ return (empty($rArr))? null : $rArr;
+ }
+ // }}}
+}
+// }}}
+
+// {{{ abstract class SurveySimple extends SurveyQuestion : "opened" questions
+abstract class SurveySimple extends SurveyQuestion
+{
+ protected function checkAnswer($ans)
+ {
+ return $ans;
+ }
+}
+
+// {{{ class SurveyText extends SurveySimple : simple text field, allowing a few words
+class SurveyText extends SurveySimple
+{
+ protected function getQuestionType()
+ {
+ return "text";
+ }
+}
+// }}}
+
+// {{{ class SurveyTextarea extends SurveySimple : textarea field, allowing longer comments
+class SurveyTextarea extends SurveySimple
+{
+ protected function getQuestionType()
+ {
+ return "textarea";
+ }
+}
+// }}}
+
+// {{{ class SurveyNum extends SurveySimple : allows numerical answers
+class SurveyNum extends SurveySimple
+{
+ protected function checkAnswer($ans)
+ {
+ return intval($ans);
+ }
+
+ protected function getQuestionType()
+ {
+ return "num";
+ }
+}
+// }}}
+// }}}
+
+// {{{ abstract class SurveyList extends SurveyTreeable : restricted questions that allows only a list of possible answers
+abstract class SurveyList extends SurveyTreeable
+{
+ private $choices;
+
+ protected function update($args)
+ {
+ parent::update($args);
+ $this->choices = explode('|', $args['options']);
+ }
+
+ protected function storeArray()
+ {
+ $rArr = parent::storeArray();
+ $rArr['choices'] = $this->choices;
+ $rArr['options'] = implode('|', $this->choices);
+ return $rArr;
+ }
+
+}
+
+// {{{ class SurveyRadio extends SurveyList : radio question, allows one answer among the list offered
+class SurveyRadio extends SurveyList
+{
+ protected function checkAnswer($ans)
+ {
+ return (in_array($ans, $this->choices)) ? $ans : "";
+ }
+
+ protected function getQuestionType()
+ {
+ return "radio";
+ }
+}
+// }}}
+
+// {{{ class SurveyCheckbox extends SurveyList : checkbox question, allows any number of answers among the list offered
+class SurveyCheckbox extends SurveyList
+{
+ protected function checkAnswer($ans)
+ {
+ $rep = "";
+ foreach ($this->choices as $key => $value) {
+ if (array_key_exists($key,$v[$id]) && $v[$id][$key]) {
+ $rep .= "|" . $key;
+ }
+ }
+ $rep = (strlen($rep) >= 4) ? substr($rep, 4) : "";
+ return $rep;
+ }
+
+ protected function getQuestionType()
+ {
+ return "checkbox";
+ }
+}
+// }}}
+// }}}
+
+// {{{ class SurveyPersonal extends SurveyQuestion : allows easy and verified access to user's personal data (promotion, name...)
+class SurveyPersonal extends SurveyQuestion
+{
+ private $perm;
+
+ protected function update($args)
+ {
+ $args['question'] = "Informations personnelles";
+ parent::update($args);
+ $this->perm['promo'] = isset($args['promo'])? 1 : 0;
+ $this->perm['name'] = isset($args['name'])? 1 : 0;
+ }
+
+ protected function checkAnswer($ans)
+ {
+ if (intval($ans) == 1) {
+ // requete mysql qvb
+ return "";
+ } else {
+ return "";
+ }
+ }
+
+ protected function getQuestionType()
+ {
+ return "personal";
+ }
+
+ protected function storeArray()
+ {
+ $a = parent::storeArray();
+ $a['promo'] = $this->perm['promo'];
+ $a['name'] = $this->perm['name'];
+ return $a;
+ }
+}
+// }}}
+
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
+?>