chamilo-lms/main/survey/survey_invitation.php

<?php
/* For licensing terms, see /license.txt */

/**
 * @package chamilo.survey
 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts of the code
 * @version $Id: survey_invite.php 10680 2007-01-11 21:26:23Z pcool $
 *
 * @todo the answered column
 */
require_once __DIR__.'/../inc/global.inc.php';

/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
if (!api_is_allowed_to_edit(false, true)) {
    api_not_allowed(true);
}

// 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_course = Database::get_main_table(TABLE_MAIN_COURSE);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$tool_name = get_lang('SurveyInvitations');

// Getting the survey information
$survey_id = Security::remove_XSS($_GET['survey_id']);
$survey_data = SurveyManager::get_survey($survey_id);
if (empty($survey_data)) {
    api_not_allowed(true);
}

$urlname = strip_tags(
    api_substr(api_html_entity_decode($survey_data['title'], ENT_QUOTES), 0, 40)
);
if (api_strlen(strip_tags($survey_data['title'])) > 40) {
    $urlname .= '...';
}

// Breadcrumbs
$interbreadcrumb[] = [
    'url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php',
    'name' => get_lang('SurveyList')
];
$interbreadcrumb[] = [
    'url' => api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.$survey_id,
    'name' => $urlname
];

// Displaying the header
Display::display_header($tool_name);

// Getting all the people who have filled this survey
$answered_data = SurveyManager::get_people_who_filled_survey($survey_id);
if ($survey_data['anonymous'] == 1) {
    echo Display::return_message(
        get_lang('AnonymousSurveyCannotKnowWhoAnswered').' '.count(
            $answered_data
        ).' '.get_lang('PeopleAnswered')
    );
    $answered_data = [];
}

if (!isset($_GET['view']) || $_GET['view'] == 'invited') {
    echo get_lang('ViewInvited').' | ';
} else {
    echo '	<a href="'.api_get_self().'?survey_id='.$survey_id.'&view=invited">'.
        get_lang('ViewInvited').'</a> |';
}
if ($_GET['view'] == 'answered') {
    echo get_lang('ViewAnswered').' | ';
} else {
    echo '	<a href="'.api_get_self().'?survey_id='.$survey_id.'&view=answered">'.
        get_lang('ViewAnswered').'</a> |';
}

if ($_GET['view'] == 'unanswered') {
    echo get_lang('ViewUnanswered');
} else {
    echo '	<a href="'.api_get_self().'?survey_id='.$survey_id.'&view=unanswered">'.
        get_lang('ViewUnanswered').'</a>';
}

// Table header
echo '<table class="data_table">';
echo '	<tr>';
echo '		<th>'.get_lang('User').'</th>';
echo '		<th>'.get_lang('InvitationDate').'</th>';
echo '		<th>'.get_lang('Answered').'</th>';
echo '	</tr>';

$course_id = api_get_course_int_id();
$sessionId = api_get_session_id();
$sessionCondition = api_get_session_condition($sessionId);

$sql = "SELECT survey_invitation.*, user.firstname, user.lastname, user.email
        FROM $table_survey_invitation survey_invitation
        LEFT JOIN $table_user user
        ON (survey_invitation.user = user.id AND survey_invitation.c_id = $course_id)
        WHERE
            survey_invitation.survey_code = '".Database::escape_string($survey_data['code'])."' $sessionCondition";

$res = Database::query($sql);
while ($row = Database::fetch_assoc($res)) {
    if (!$_GET['view'] || $_GET['view'] == 'invited' ||
        ($_GET['view'] == 'answered' && in_array($row['user'], $answered_data)) ||
        ($_GET['view'] == 'unanswered' && !in_array($row['user'], $answered_data))
    ) {
        echo '<tr>';
        if (is_numeric($row['user'])) {
            $userInfo = api_get_user_info($row['user']);
            echo '<td>';
            echo UserManager::getUserProfileLink($userInfo);
            echo '</td>';
        } else {
            echo '<td>'.$row['user'].'</td>';
        }
        echo '	<td>'.api_get_local_time($row['invitation_date']).'</td>';
        echo '	<td>';

        if (in_array($row['user'], $answered_data) && !api_get_configuration_value('hide_survey_reporting_button')) {
            echo '<a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action=userreport&survey_id='.$survey_id.'&user='.$row['user'].'">'.
                get_lang('ViewAnswers').'</a>';
        } else {
            echo '-';
        }

        echo '	</td>';
        echo '</tr>';
    }
}

// Closing the table
echo '</table>';

// Footer
Display::display_footer();