You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
3.8 KiB
121 lines
3.8 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
/**
|
|
* Manage the "versioning" of a conditional survey
|
|
*
|
|
* @package chamilo.survey
|
|
*/
|
|
class SurveyTree
|
|
{
|
|
public $surveylist;
|
|
public $plainsurveylist;
|
|
public $numbersurveys;
|
|
|
|
/**
|
|
* Sets the surveylist and the plainsurveylist
|
|
*/
|
|
public function __construct()
|
|
{
|
|
// Database table definitions
|
|
$table_survey = Database :: get_course_table(TABLE_SURVEY);
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
|
|
|
|
// searching
|
|
$search_restriction = SurveyUtil::survey_search_restriction();
|
|
if ($search_restriction) {
|
|
$search_restriction = ' AND '.$search_restriction;
|
|
}
|
|
|
|
$course_id = api_get_course_int_id();
|
|
|
|
$sql = "SELECT
|
|
survey.survey_id,
|
|
survey.parent_id,
|
|
survey_version,
|
|
survey.code as name
|
|
FROM $table_survey survey
|
|
LEFT JOIN $table_survey_question survey_question
|
|
ON survey.survey_id = survey_question.survey_id , $table_user user
|
|
WHERE
|
|
survey.c_id = $course_id AND
|
|
survey_question.c_id = $course_id AND
|
|
survey.author = user.user_id
|
|
GROUP BY survey.survey_id";
|
|
|
|
$res = Database::query($sql);
|
|
$surveys_parents = array ();
|
|
$refs = array();
|
|
$list = array();
|
|
$plain_array=array();
|
|
|
|
while ($survey = Database::fetch_array($res,'ASSOC')) {
|
|
$plain_array[$survey['survey_id']]=$survey;
|
|
$surveys_parents[]=$survey['survey_version'];
|
|
$thisref = &$refs[ $survey['survey_id'] ];
|
|
$thisref['parent_id'] = $survey['parent_id'];
|
|
$thisref['name'] = $survey['name'];
|
|
$thisref['id'] = $survey['survey_id'];
|
|
$thisref['survey_version'] = $survey['survey_version'];
|
|
if ($survey['parent_id'] == 0) {
|
|
$list[ $survey['survey_id'] ] = &$thisref;
|
|
} else {
|
|
$refs[ $survey['parent_id'] ]['children'][ $survey['survey_id'] ] = &$thisref;
|
|
}
|
|
}
|
|
$this->surveylist = $list;
|
|
$this->plainsurveylist = $plain_array;
|
|
}
|
|
|
|
/**
|
|
* This function gets the parent id of a survey
|
|
*
|
|
* @param int $id survey id
|
|
* @return int survey parent id
|
|
*
|
|
* @author Julio Montoya <gugli100@gmail.com>, Dokeos
|
|
* @version September 2008
|
|
*/
|
|
public function getParentId($id)
|
|
{
|
|
$node = $this->plainsurveylist[$id];
|
|
if (is_array($node)&& !empty($node['parent_id'])) {
|
|
return $node['parent_id'];
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function creates a list of all surveys id
|
|
* @param array $list of nodes
|
|
* @return array with the structure survey_id => survey_name
|
|
* @author Julio Montoya <gugli100@gmail.com>
|
|
* @version September 2008
|
|
*/
|
|
public function createList($list)
|
|
{
|
|
$result = array();
|
|
if (is_array($list)) {
|
|
foreach ($list as $key => $node) {
|
|
if (isset($node['children']) && is_array($node['children'])) {
|
|
$result[$key]= $node['name'];
|
|
$re = self::createList($node['children']);
|
|
if (!empty($re)) {
|
|
if (is_array($re)) {
|
|
foreach ($re as $key => $r) {
|
|
$result[$key] = '' . $r;
|
|
}
|
|
} else {
|
|
$result[] = $re;
|
|
}
|
|
}
|
|
} else {
|
|
$result[$key] = $node['name'];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
}
|
|
|