, Ghent University: cleanup, refactoring and rewriting large parts of the code
* @version $Id: survey.php 22573 2009-08-03 03:38:13Z yannoo $
*
* @todo use quickforms for the forms
*/
// Language file that needs to be included
$language_file = 'survey';
// Including the global initialization file
//require_once '../inc/global.inc.php';
$this_section = SECTION_COURSES;
$current_course_tool = TOOL_SURVEY;
api_protect_course_script(true);
// Including additional libraries
require_once 'survey.lib.php';
/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
// Coach can't view this page
$extend_rights_for_coachs = api_get_setting('extend_rights_for_coach_on_survey');
if (!api_is_allowed_to_edit(false, true) || (api_is_course_coach() && $extend_rights_for_coachs == 'false')) {
Display :: display_header(get_lang('ToolSurvey'));
Display :: display_error_message(get_lang('NotAllowed'), false);
Display :: display_footer();
exit;
}
// Database table definitions
$table_survey = Database :: get_course_table(TABLE_SURVEY);
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_question_group = Database :: get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$survey_id = intval($_GET['survey_id']);
$course_id = api_get_course_int_id();
// Breadcrumbs
$interbreadcrumb[] = array ('url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php', 'name' => get_lang('SurveyList'));
// Getting the survey information
if (isset($_GET['survey_id'])) {
$course_code = api_get_course_id();
if ($course_code!=-1) {
$survey_data = survey_manager::get_survey($survey_id);
} else {
Display :: display_header(get_lang('ToolSurvey'));
Display :: display_error_message(get_lang('NotAllowed'), false);
Display :: display_footer();
exit;
}
}
$tool_name = strip_tags($survey_data['title']);
$is_survey_type_1 = $survey_data['survey_type'] == 1;
if (api_strlen(strip_tags($survey_data['title'])) > 40) {
$tool_name .= '...';
}
if ($is_survey_type_1 &&
isset($_GET['action']) &&
($_GET['action'] == 'addgroup' || $_GET['action'] == 'deletegroup')
) {
$_POST['name'] = trim($_POST['name']);
if ($_GET['action'] == 'addgroup') {
if (!empty($_POST['group_id'])) {
Database::query('UPDATE '.$table_survey_question_group.' SET description = \''.Database::escape_string($_POST['description']).'\'
WHERE c_id = '.$course_id.' AND id = \''.Database::escape_string($_POST['group_id']).'\'');
$sendmsg = 'GroupUpdatedSuccessfully';
} elseif(!empty($_POST['name'])) {
Database::query('INSERT INTO '.$table_survey_question_group.' (c_id, name,description,survey_id) values ('.$course_id.', \''.Database::escape_string($_POST['name']).'\',\''.Database::escape_string($_POST['description']).'\',\''.Database::escape_string($survey_id).'\') ');
$sendmsg = 'GroupCreatedSuccessfully';
} else {
$sendmsg = 'GroupNeedName';
}
}
if ($_GET['action'] == 'deletegroup'){
Database::query('DELETE FROM '.$table_survey_question_group.' WHERE c_id = '.$course_id.' AND id = '.Database::escape_string($_GET['gid']).' and survey_id = '.Database::escape_string($survey_id));
$sendmsg = 'GroupDeletedSuccessfully';
}
header('Location: '.api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.$survey_id.'&sendmsg='.$sendmsg);
exit;
}
// Displaying the header
Display::display_header($tool_name, 'Survey');
// Action handling
$my_action_survey = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : null;
$my_question_id_survey = isset($_GET['question_id']) ? Security::remove_XSS($_GET['question_id']) : null;
$my_survey_id_survey = Security::remove_XSS($_GET['survey_id']);
$message_information = isset($_GET['message']) ? Security::remove_XSS($_GET['message']) : null;
if (isset($_GET['action'])) {
if (($_GET['action'] == 'moveup' || $_GET['action'] == 'movedown') && isset($_GET['question_id'])) {
survey_manager::move_survey_question($my_action_survey,$my_question_id_survey,$my_survey_id_survey);
Display::display_confirmation_message(get_lang('SurveyQuestionMoved'));
}
if ($_GET['action'] == 'delete' AND is_numeric($_GET['question_id'])) {
survey_manager::delete_survey_question($my_survey_id_survey, $my_question_id_survey, $survey_data['is_shared']);
}
}
if (isset($_GET['message'])) {
// We have created the survey or updated the survey
if (in_array($_GET['message'], array('SurveyUpdatedSuccesfully','SurveyCreatedSuccesfully'))) {
Display::display_confirmation_message(get_lang($message_information).', '.PHP_EOL.api_strtolower(get_lang('YouCanNowAddQuestionToYourSurvey')));
}
// We have added a question
if (in_array($_GET['message'], array('QuestionAdded', 'QuestionUpdated'))) {
Display::display_confirmation_message(get_lang($message_information));
}
if (in_array($_GET['message'], array('YouNeedToCreateGroups'))) {
Display::display_warning_message(get_lang($message_information), false);
}
}
if (!empty($survey_data['survey_version'])) echo ''.get_lang('Version').': '.$survey_data['survey_version'].'';
// We exit here is the first or last question is a pagebreak (which causes errors)
SurveyUtil::check_first_last_question($_GET['survey_id']);
// Action links
$survey_actions = ''.Display::return_icon('edit.png', get_lang('EditSurvey'),'',ICON_SIZE_MEDIUM).'';
$survey_actions .= ''.Display::return_icon('delete.png', get_lang('DeleteSurvey'),'',ICON_SIZE_MEDIUM).'';
//$survey_actions .= ''.Display::return_icon('copy.gif', get_lang('Copy')).'';
$survey_actions .= ''.Display::return_icon('preview_view.png', get_lang('Preview'),'',ICON_SIZE_MEDIUM).'';
$survey_actions .= ''.Display::return_icon('mail_send.png', get_lang('Publish'),'',ICON_SIZE_MEDIUM).'';
$survey_actions .= ''.Display::return_icon('stats.png', get_lang('Reporting'),'',ICON_SIZE_MEDIUM).'';
echo '
'.$survey_actions.'
';
if ($survey_data['survey_type'] == 0) {
echo '';
} else {
echo '';
echo '
';
echo '';
}
// Displaying the table header with all the questions
echo '';
echo ' ';
echo ' '.get_lang('QuestionNumber').' | ';
echo ' '.get_lang('Title').' | ';
echo ' '.get_lang('Type').' | ';
echo ' '.get_lang('NumberOfOptions').' | ';
echo ' '.get_lang('Modify').' | ';
if ($is_survey_type_1) {
echo ''.get_lang('Condition').' | ';
echo ''.get_lang('Group').' | ';
}
echo '
';
// Displaying the table contents with all the questions
$question_counter = 1;
$sql = "SELECT * FROM $table_survey_question_group
WHERE c_id = '.$course_id.' AND survey_id = '".Database::escape_string($survey_id)."' ORDER BY id";
$result = Database::query($sql);
$groups = array();
while ($row = Database::fetch_array($result)) {
$groups[$row['id']] = $row['name'];
}
$sql = "SELECT survey_question.*, count(survey_question_option.question_option_id) as number_of_options
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 = $course_id
WHERE
survey_question.survey_id = '".Database::escape_string($survey_id)."' AND
survey_question.c_id = $course_id
GROUP BY survey_question.question_id
ORDER BY survey_question.sort ASC";
$result = Database::query($sql);
$question_counter_max = Database::num_rows($result);
while ($row = Database::fetch_array($result, 'ASSOC')) {
echo '';
echo ' '.$question_counter.' | ';
echo ' ';
if (api_strlen($row['survey_question']) > 100) {
echo api_substr(strip_tags($row['survey_question']), 0, 100).' ... ';
} else {
echo $row['survey_question'];
}
if ($row['type'] == 'yesno') {
$tool_name = get_lang('YesNo');
} else if ($row['type'] == 'multiplechoice') {
$tool_name = get_lang('UniqueSelect');
} else {
$tool_name = get_lang(api_ucfirst(Security::remove_XSS($row['type'])));
}
echo ' | ';
echo ' '.$tool_name.' | ';
echo ' '.$row['number_of_options'].' | ';
echo ' ';
echo ' '.Display::return_icon('edit.png', get_lang('Edit'),'',ICON_SIZE_SMALL).'';
echo ' '.Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'';
if ($question_counter > 1) {
echo ' '.Display::return_icon('up.png', get_lang('MoveUp'),'',ICON_SIZE_SMALL).'';
} else {
Display::display_icon('up_na.png',' ','',ICON_SIZE_SMALL);
}
if ($question_counter < $question_counter_max) {
echo ' '.Display::return_icon('down.png', get_lang('MoveDown'),'',ICON_SIZE_SMALL).'';
} else {
Display::display_icon('down_na.png',' ','',ICON_SIZE_SMALL);
}
echo ' | ';
$question_counter++;
if ($is_survey_type_1) {
echo ''.(($row['survey_group_pri']==0)?get_lang('Secondary'):get_lang('Primary')).' | ';
echo ''.(($row['survey_group_pri']==0)?$groups[$row['survey_group_sec1']].'-'.$groups[$row['survey_group_sec2']]:$groups[$row['survey_group_pri']]).' | ';
}
echo '
';
}
echo '
';
if ($is_survey_type_1) {
echo '
'.get_lang('ManageGroups').'
';
if (in_array($_GET['sendmsg'], array('GroupUpdatedSuccessfully', 'GroupDeletedSuccessfully', 'GroupCreatedSuccessfully'))) {
echo Display::display_confirmation_message(get_lang($_GET['sendmsg']), false);
}
if (in_array($_GET['sendmsg'], array('GroupNeedName'))){
echo Display::display_warning_message(get_lang($_GET['sendmsg']), false);
}
echo ''.get_lang('Name').' | '.get_lang('Description').' |
';
echo '