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chamilo-lms
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Minor - format code, updating docs, fixing typos.

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1.9.x
Julio Montoya 12 years ago
parent 64d1a515ae
commit 1e19156781
1 changed files with 148 additions and 79 deletions
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  1. 227
      main/survey/survey.lib.php

227
main/survey/survey.lib.php
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@ -4,11 +4,12 @@
* Survey manager class
*
* @package chamilo.survey
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts (if not all) of the code
* @author Julio Montoya Armas <gugli100@gmail.com>, Chamilo: Personality Test modification and rewriting large parts of the code
* @version $Id: survey.lib.php 22296 2009-07-22 22:05:50Z cfasanando $
* @todo move this file to inc/lib
* @todo use consistent naming for the functions (save vs store for instance)
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University:
* cleanup, refactoring and rewriting large parts (if not all) of the code
* @author Julio Montoya <gugli100@gmail.com>, Personality Test modification
* and rewriting large parts of the code
* @author cfasanando
*
*/
/**
* Code
@ -24,9 +25,13 @@ $(document).ready(function () {
});
</script>';
/**
* Class survey_manager
* @todo move this file to inc/lib
* @todo use consistent naming for the functions (save vs store for instance)
*/
class survey_manager
{
/**
* Deletes all survey invitations of a user
* @param int $user_id
@ -50,10 +55,11 @@ class survey_manager
while ($row = Database::fetch_array($result ,'ASSOC')){
$survey_invitation_id = $row['survey_invitation_id'];
$survey_code = $row['survey_code'];
$sql2 = "DELETE FROM $table_survey_invitation WHERE survey_invitation_id = '$survey_invitation_id' AND c_id <> 0";
$sql2 = "DELETE FROM $table_survey_invitation
WHERE survey_invitation_id = '$survey_invitation_id' AND c_id <> 0";
if (Database::query($sql2)) {
$sql3 = "UPDATE $table_survey SET invited = invited-1 ".
" WHERE c_id <> 0 AND code ='$survey_code'";
" WHERE c_id <> 0 AND code ='$survey_code'";
Database::query($sql3);
}
}
@ -111,9 +117,13 @@ class survey_manager
if ($shared != 0) {
$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
$sql = "SELECT * FROM $table_survey WHERE survey_id='".Database::escape_string($survey_id)."' ";
$sql = "SELECT * FROM $table_survey
WHERE survey_id='".Database::escape_string($survey_id)."' ";
} else {
$sql = "SELECT * FROM $table_survey WHERE survey_id='".Database::escape_string($survey_id)."' AND c_id = ".$my_course_info['real_id'];
$sql = "SELECT * FROM $table_survey
WHERE
survey_id='".Database::escape_string($survey_id)."' AND
c_id = ".$my_course_info['real_id'];
}
$result = Database::query($sql);
@ -229,10 +239,17 @@ class survey_manager
// Logic for versioning surveys
if (!empty($values['parent_id'])) {
$additional['columns'] .= ', survey_version';
$sql = 'SELECT survey_version FROM '.$table_survey.' WHERE c_id = '.$course_id.' AND parent_id = '.Database::escape_string($values['parent_id']).' ORDER BY survey_version DESC LIMIT 1';
$sql = 'SELECT survey_version FROM '.$table_survey.'
WHERE
c_id = '.$course_id.' AND
parent_id = '.Database::escape_string($values['parent_id']).'
ORDER BY survey_version DESC LIMIT 1';
$rs = Database::query($sql);
if (Database::num_rows($rs) === 0) {
$sql = 'SELECT survey_version FROM '.$table_survey.' WHERE c_id = '.$course_id.' survey_id = '.Database::escape_string($values['parent_id']);
$sql = 'SELECT survey_version FROM '.$table_survey.'
WHERE
c_id = '.$course_id.' AND
survey_id = '.Database::escape_string($values['parent_id']);
$rs = Database::query($sql);
$getversion = Database::fetch_array($rs, 'ASSOC');
if (empty($getversion['survey_version'])) {
@ -299,7 +316,11 @@ class survey_manager
// Check whether the code doesn't soon exists in this language
$sql = 'SELECT 1 FROM '.$table_survey.'
WHERE c_id = '.$course_id.' AND code="'.Database::escape_string($values['survey_code']).'" AND lang="'.Database::escape_string($values['survey_language']).'" AND survey_id!='.intval($values['survey_id']);
WHERE
c_id = '.$course_id.' AND
code = "'.Database::escape_string($values['survey_code']).'" AND
lang = "'.Database::escape_string($values['survey_language']).'" AND
survey_id !='.intval($values['survey_id']);
$rs = Database::query($sql);
if (Database::num_rows($rs) > 0) {
$return['message'] = 'ThisSurveyCodeSoonExistsInThisLanguage';
@ -376,21 +397,24 @@ class survey_manager
$_user = api_get_user_info();
$_course = api_get_course_info();
// Table defnitions
// Table definitions
$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY);
if (!$values['survey_id'] || !is_numeric($values['survey_id']) || $values['survey_share']['survey_share'] == 'true') {
if (!$values['survey_id'] ||
!is_numeric($values['survey_id']) ||
$values['survey_share']['survey_share'] == 'true'
) {
$sql = "INSERT INTO $table_survey (code, title, subtitle, author, lang, template, intro, surveythanks, creation_date, course_code) VALUES (
'".Database::escape_string($values['survey_code'])."',
'".Database::escape_string($values['survey_title'])."',
'".Database::escape_string($values['survey_subtitle'])."',
'".Database::escape_string($_user['user_id'])."',
'".Database::escape_string($values['survey_language'])."',
'".Database::escape_string('template')."',
'".Database::escape_string($values['survey_introduction'])."',
'".Database::escape_string($values['survey_thanks'])."',
'".date('Y-m-d H:i:s')."',
'".$_course['id']."')";
'".Database::escape_string($values['survey_code'])."',
'".Database::escape_string($values['survey_title'])."',
'".Database::escape_string($values['survey_subtitle'])."',
'".Database::escape_string($_user['user_id'])."',
'".Database::escape_string($values['survey_language'])."',
'".Database::escape_string('template')."',
'".Database::escape_string($values['survey_introduction'])."',
'".Database::escape_string($values['survey_thanks'])."',
'".date('Y-m-d H:i:s')."',
'".$_course['id']."')";
Database::query($sql);
$return = Database::insert_id();
} else {
@ -413,13 +437,14 @@ class survey_manager
/**
* This function deletes a survey (and also all the question in that survey
*
* @param $survey_id the id of the survey that has to be deleted
* @param int $survey_id id of the survey that has to be deleted
* @return true
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
public static function delete_survey($survey_id, $shared = false, $course_id = '') {
public static function delete_survey($survey_id, $shared = false, $course_id = '')
{
// Database table definitions
if (empty($course_id)) {
$course_id = api_get_course_int_id();
@ -475,7 +500,7 @@ class survey_manager
$table_survey_options = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$parent_survey = Database::escape_string($parent_survey);
// Get groups
$sql = "SELECT * from $table_survey_question_group WHERE c_id = $course_id AND survey_id='".$parent_survey."'";
$sql = "SELECT * from $table_survey_question_group WHERE c_id = $course_id AND survey_id='".$parent_survey."'";
$res = Database::query($sql);
if (Database::num_rows($res) === 0) {
return true;
@ -514,7 +539,7 @@ class survey_manager
/**
* This function duplicates a survey (and also all the question in that survey
*
* @param $survey_id the id of the survey that has to be duplicated
* @param int $survey_id id of the survey that has to be duplicated
* @return true
*
* @author Eric Marguin <e.marguin@elixir-interactive.com>, Elixir Interactive
@ -535,13 +560,16 @@ class survey_manager
$session_where = ' AND session_id = "'.api_get_session_id().'" ';
}
$sql = 'DELETE FROM '.$table_survey_invitation.' WHERE c_id = '.$course_id.' AND survey_code = "'.Database::escape_string($datas['code']).'" '.$session_where.' ';
$sql = 'DELETE FROM '.$table_survey_invitation.'
WHERE c_id = '.$course_id.' AND survey_code = "'.Database::escape_string($datas['code']).'" '.$session_where.' ';
Database::query($sql);
$sql = 'DELETE FROM '.$table_survey_answer.' WHERE c_id = '.$course_id.' AND survey_id='.intval($survey_id);
$sql = 'DELETE FROM '.$table_survey_answer.'
WHERE c_id = '.$course_id.' AND survey_id='.intval($survey_id);
Database::query($sql);
$sql = 'UPDATE '.$table_survey.' SET invited=0, answered=0 WHERE c_id = '.$course_id.' AND survey_id='.intval($survey_id);
$sql = 'UPDATE '.$table_survey.' SET invited=0, answered=0
WHERE c_id = '.$course_id.' AND survey_id='.intval($survey_id);
Database::query($sql);
return true;
@ -590,12 +618,14 @@ class survey_manager
}
/**
* This function gets a complete structure of a survey (all survey information, all question information
* of all the questions and all the options of all the questions.
* Gets a complete structure of a survey
* (all survey information, all question information of all the questions
* and all the options of all the questions.
*
* @param integer $survey_id the id of the survey
* @param boolean $shared this parameter determines if we have to get the information of a survey from the central (shared) database or from the
* course database
* @param boolean $shared this parameter determines if we have to get the
* information of a survey from the central (shared) database or from the
* course database
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version February 2007
@ -619,7 +649,9 @@ class survey_manager
public static function icon_question($type)
{
// the possible question types
$possible_types = array('personality', 'yesno', 'multiplechoice', 'multipleresponse', 'open', 'dropdown', 'comment', 'pagebreak', 'percentage', 'score');
$possible_types = array(
'personality', 'yesno', 'multiplechoice', 'multipleresponse', 'open', 'dropdown', 'comment', 'pagebreak', 'percentage', 'score'
);
// the images array
$icon_question = array(
@ -661,14 +693,23 @@ class survey_manager
$course_id = api_get_course_int_id();
$sql = "SELECT * FROM $tbl_survey_question
WHERE c_id = $course_id AND question_id='".Database::escape_string($question_id)."' ORDER BY `sort` ";
$sql_survey_question_option = "SELECT * FROM $table_survey_question_option WHERE c_id = $course_id AND question_id='".Database::escape_string($question_id)."' ORDER BY `sort` ";
WHERE c_id = $course_id AND question_id='".Database::escape_string($question_id)."'
ORDER BY `sort` ";
$sqlOption = " SELECT * FROM $table_survey_question_option
WHERE c_id = $course_id AND question_id='".Database::escape_string($question_id)."'
ORDER BY `sort` ";
if ($shared) {
$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
$sql = "SELECT * FROM $tbl_survey_question WHERE question_id='".Database::escape_string($question_id)."' ORDER BY `sort` ";
$sql_survey_question_option = "SELECT * FROM $table_survey_question_option WHERE question_id='".Database::escape_string($question_id)."' ORDER BY `sort` ";
$sql = "SELECT * FROM $tbl_survey_question
WHERE question_id='".Database::escape_string($question_id)."'
ORDER BY `sort` ";
$sqlOption = "SELECT * FROM $table_survey_question_option
WHERE question_id='".Database::escape_string($question_id)."'
ORDER BY `sort` ";
}
// Getting the information of the question
@ -694,7 +735,7 @@ class survey_manager
// Getting the information of the question options
$result = Database::query($sql_survey_question_option);
$result = Database::query($sqlOption);
while ($row = Database::fetch_array($result, 'ASSOC')) {
/** @todo this should be renamed to options instead of answers */
$return['answers'][] = $row['option_text'];
@ -765,7 +806,8 @@ class survey_manager
*/
public function save_question($survey_data, $form_content)
{
if (strlen($form_content['question']) > 1) { // Checks lenght of the question
if (strlen($form_content['question']) > 1) {
// Checks length of the question
$empty_answer = false;
if ($survey_data['survey_type'] == 1) {
@ -834,7 +876,9 @@ class survey_manager
}
// Adding the question to the survey_question table
$sql = "INSERT INTO $tbl_survey_question (c_id, survey_id,survey_question,survey_question_comment,type,display, sort, shared_question_id, max_value".$additional['column'].") VALUES (
$sql = "INSERT INTO $tbl_survey_question
(c_id, survey_id,survey_question,survey_question_comment,type,display, sort, shared_question_id, max_value".$additional['column'].")
VALUES (
$course_id,
'".Database::escape_string($form_content['survey_id'])."',
'".Database::escape_string($form_content['question'])."',
@ -845,7 +889,7 @@ class survey_manager
'".Database::escape_string($form_content['shared_question_id'])."',
'".Database::escape_string($form_content['maximum_score'])."'".
$additional['value']."
)";
)";
Database::query($sql);
$question_id = Database::insert_id();
$form_content['question_id'] = $question_id;
@ -883,7 +927,7 @@ class survey_manager
}
// Storing the options of the question
$message_options=survey_manager::save_question_options($form_content, $survey_data);
$message_options = survey_manager::save_question_options($form_content, $survey_data);
} else {
$return_message = 'PleasFillAllAnswer';
}
@ -909,7 +953,7 @@ class survey_manager
$_course = api_get_course_info();
// Table definitions
$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
// Storing a new question
if ($form_content['shared_question_id'] == '' || !is_numeric($form_content['shared_question_id'])) {
@ -1089,11 +1133,13 @@ class survey_manager
$question_data = survey_manager::get_question($question_id);
// Deleting the survey questions
$sql = "DELETE FROM $table_survey_question WHERE question_id='".Database::escape_string($question_data['shared_question_id'])."'";
$sql = "DELETE FROM $table_survey_question
WHERE question_id='".Database::escape_string($question_data['shared_question_id'])."'";
Database::query($sql);
// Deleting the options of the question of the survey question
$sql = "DELETE FROM $table_survey_question_option WHERE question_id='".Database::escape_string($question_data['shared_question_id'])."'";
$sql = "DELETE FROM $table_survey_question_option
WHERE question_id='".Database::escape_string($question_data['shared_question_id'])."'";
Database::query($sql);
}
@ -1194,9 +1240,8 @@ class survey_manager
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
static function delete_all_survey_questions_options($survey_id, $shared = false)
public static function delete_all_survey_questions_options($survey_id, $shared = false)
{
// Table definitions
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$course_id = api_get_course_int_id();
@ -1378,10 +1423,11 @@ class survey_manager
}
}
/**
* Class survey_question
*/
class survey_question
{
// The html code of the form
public $html;
@ -1519,7 +1565,7 @@ class survey_question
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version January 2007
*/
function handle_action($survey_data, $form_content)
public function handle_action($survey_data, $form_content)
{
$course_id = api_get_course_int_id();
global $config;
@ -2411,13 +2457,14 @@ class SurveyUtil
// Make the survey anonymous
if ($survey_data['anonymous'] == 1) {
if (!$_SESSION['surveyuser']) {
if (!isset($_SESSION['surveyuser'])) {
$user = md5($user.time());
$_SESSION['surveyuser'] = $user;
} else {
$user = $_SESSION['surveyuser'];
}
}
$course_id = $survey_data['c_id'];
$sql = "INSERT INTO $table_survey_answer (c_id, user, survey_id, question_id, option_id, value) VALUES (
@ -2495,7 +2542,7 @@ class SurveyUtil
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version February 2007
*/
static function handle_reporting_actions($people_filled)
static function handle_reporting_actions($survey_data, $people_filled)
{
$action = isset($_GET['action']) ? $_GET['action'] : null;
@ -2549,10 +2596,20 @@ class SurveyUtil
if (!empty($survey_id) && !empty($user_id)) {
// delete data from survey_answer by user_id and survey_id
$sql = "DELETE FROM $table_survey_answer WHERE c_id = $course_id AND survey_id = '".(int)$survey_id."' AND user = '".(int)$user_id."'";
$sql = "DELETE FROM $table_survey_answer
WHERE c_id = $course_id AND survey_id = '".(int)$survey_id."' AND user = '".(int)$user_id."'";
Database::query($sql);
// update field answered from survey_invitation by user_id and survey_id
$sql = "UPDATE $table_survey_invitation SET answered = '0' WHERE c_id = $course_id AND survey_code = (SELECT code FROM $table_survey WHERE c_id = $course_id AND survey_id = '".(int)$survey_id."') AND user = '".(int)$user_id."'";
$sql = "UPDATE $table_survey_invitation SET answered = '0'
WHERE
c_id = $course_id AND
survey_code = (
SELECT code FROM $table_survey
WHERE
c_id = $course_id AND
survey_id = '".(int)$survey_id."'
) AND
user = '".(int)$user_id."'";
$result = Database::query($sql);
}
@ -2601,14 +2658,11 @@ class SurveyUtil
echo '</div>';
// Step 1: selection of the user
echo "<script language=\"JavaScript\" type=\"text/javascript\">
<!--
function jumpMenu(targ,selObj,restore)
{
eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
if (restore) selObj.selectedIndex=0;
}
//-->
echo "<script>
function jumpMenu(targ,selObj,restore) {
eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
if (restore) selObj.selectedIndex=0;
}
</script>";
echo get_lang('SelectUserWhoFilledSurvey').'<br />';
echo '<select name="user" onchange="jumpMenu(\'parent\',this,0)">';
@ -2626,8 +2680,8 @@ class SurveyUtil
$name = $key + 1;
$id = $person;
}
echo '<option value="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.Security::remove_XSS($_GET['action']).'&amp;survey_id='.Security::remove_XSS($_GET['survey_id']).'&amp;user='.Security::remove_XSS($id).'" ';
if ($_GET['user'] == $id) {
echo '<option value="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.Security::remove_XSS($id).'" ';
if (isset($_GET['user']) && $_GET['user'] == $id) {
echo 'selected="selected"';
}
echo '>'.$name.'</option>';
@ -2640,11 +2694,21 @@ class SurveyUtil
// Getting all the questions and options
$sql = "SELECT
survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.max_value, survey_question.sort, survey_question.type,
survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
survey_question.question_id,
survey_question.survey_id,
survey_question.survey_question,
survey_question.display,
survey_question.max_value,
survey_question.sort,
survey_question.type,
survey_question_option.question_option_id,
survey_question_option.option_text,
survey_question_option.sort as option_sort
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON survey_question.question_id = survey_question_option.question_id AND survey_question_option.c_id = $course_id
ON
survey_question.question_id = survey_question_option.question_id AND
survey_question_option.c_id = $course_id
WHERE
survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."' AND
survey_question.c_id = $course_id
@ -2676,7 +2740,7 @@ class SurveyUtil
// Displaying all the questions
$second_parameter=array();
foreach ($questions as $key => & $question) {
foreach ($questions as & $question) {
// If the question type is a scoring then we have to format the answers differently
if ($question['type'] == 'score') {
if (is_array($question) && is_array($all_answers)) {
@ -2996,14 +3060,16 @@ class SurveyUtil
// Getting the number of options per question
echo ' <tr>';
echo ' <th>';
if ($_POST['submit_question_filter'] || $_POST['export_report']) {
if (isset($_POST['submit_question_filter']) && $_POST['submit_question_filter'] ||
isset($_POST['export_report']) && $_POST['export_report']) {
echo '<button class="cancel" type="submit" name="reset_question_filter" value="'.get_lang('ResetQuestionFilter').'">'.get_lang('ResetQuestionFilter').'</button>';
}
echo '<button class="save" type="submit" name="submit_question_filter" value="'.get_lang('SubmitQuestionFilter').'">'.get_lang('SubmitQuestionFilter').'</button>';
echo '</th>';
$display_extra_user_fields = false;
if (!($_POST['submit_question_filter'] || $_POST['export_report']) || !empty($_POST['fields_filter'])) {
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter'] ||
isset($_POST['export_report']) && $_POST['export_report']) || !empty($_POST['fields_filter'])) {
// Show user fields section with a big th colspan that spans over all fields
$extra_user_fields = UserManager::get_extra_fields(0, 0, 5, 'ASC', false, true);
$num = count($extra_user_fields);
@ -3019,7 +3085,6 @@ class SurveyUtil
$course_id = api_get_course_int_id();
// Get all the questions ordered by the "sort" column
// <hub> modify the query to display open questions too
// $sql = "SELECT q.question_id, q.type, q.survey_question, count(o.question_option_id) as number_of_options
@ -3044,10 +3109,12 @@ class SurveyUtil
// 1. there is no question filter and the export button has not been clicked
// 2. there is a quesiton filter but the question is selected for display
//if (!($_POST['submit_question_filter'] || $_POST['export_report']) || in_array($row['question_id'], $_POST['questions_filter'])) {
if (!($_POST['submit_question_filter']) || (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter']))) {
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter']) ||
(is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter']))) {
// We do not show comment and pagebreak question types
if ($row['type'] != 'comment' && $row['type'] != 'pagebreak') {
echo ' <th';
echo ' <th';
// <hub> modified tst to include percentage
if ($row['number_of_options'] > 0 && $row['type'] != 'percentage') {
// </hub>
@ -3069,7 +3136,8 @@ class SurveyUtil
echo ' <tr>';
echo ' <th>&nbsp;</th>'; // the user column
if (!($_POST['submit_question_filter'] || $_POST['export_report']) || !empty($_POST['fields_filter'])) {
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter'] ||
isset($_POST['export_report']) && $_POST['export_report']) || !empty($_POST['fields_filter'])) {
//show the fields names for user fields
foreach($extra_user_fields as & $field) {
echo '<th>'.$field[3].'</th>';
@ -3097,7 +3165,8 @@ class SurveyUtil
// 1. there is no question filter and the export button has not been clicked
// 2. there is a question filter but the question is selected for display
//if (!($_POST['submit_question_filter'] || $_POST['export_report']) || in_array($row['question_id'], $_POST['questions_filter'])) {
if (!($_POST['submit_question_filter']) || (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter']))) {
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter']) || (is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter']))) {
// <hub> modif 05-05-2010
// we do not show comment and pagebreak question types
if ($row['type'] == 'open') {

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