/** * This function saves all the invitations of course users and additional users in the database * and sends the invitations by email * * @param array Users array can be both a list of course uids AND a list of additional emailaddresses * @param string Title of the invitation, used as the title of the mail * @param string Text of the invitation, used as the text of the mail. * The text has to contain a **link** string or this will automatically be added to the end * * @author Patrick Cool <*****@*****.**>, Ghent University * @author Julio Montoya - Adding auto-generated link support * @version January 2007 * */ public static function saveInvitations($users_array, $invitation_title, $invitation_text, $reminder = 0, $sendmail = 0, $remindUnAnswered = 0) { if (!is_array($users_array)) { // Should not happen return 0; } // Getting the survey information $survey_data = SurveyManager::get_survey($_GET['survey_id']); $survey_invitations = SurveyUtil::get_invitations($survey_data['survey_code']); $already_invited = SurveyUtil::get_invited_users($survey_data['code']); // Remind unanswered is a special version of remind all reminder $exclude_users = array(); if ($remindUnAnswered == 1) { // Remind only unanswered users $reminder = 1; $exclude_users = SurveyManager::get_people_who_filled_survey($_GET['survey_id']); } $counter = 0; // Nr of invitations "sent" (if sendmail option) $course_id = api_get_course_int_id(); $session_id = api_get_session_id(); $result = CourseManager::separateUsersGroups($users_array); $groupList = $result['groups']; $users_array = $result['users']; foreach ($groupList as $groupId) { $userGroupList = GroupManager::getStudents($groupId); $userGroupIdList = array_column($userGroupList, 'user_id'); $users_array = array_merge($users_array, $userGroupIdList); $params = array('c_id' => $course_id, 'session_id' => $session_id, 'group_id' => $groupId, 'survey_code' => $survey_data['code']); $invitationExists = self::invitationExists($course_id, $session_id, $groupId, $survey_data['code']); if (empty($invitationExists)) { self::save_invitation($params); } } $users_array = array_unique($users_array); foreach ($users_array as $key => $value) { if (!isset($value) || $value == '') { continue; } // Skip user if reminding only unanswered people if (in_array($value, $exclude_users)) { continue; } // Get the unique invitation code if we already have it if ($reminder == 1 && array_key_exists($value, $survey_invitations)) { $invitation_code = $survey_invitations[$value]['invitation_code']; } else { $invitation_code = md5($value . microtime()); } $new_user = false; // User not already invited // Store the invitation if user_id not in $already_invited['course_users'] OR email is not in $already_invited['additional_users'] $addit_users_array = isset($already_invited['additional_users']) && !empty($already_invited['additional_users']) ? explode(';', $already_invited['additional_users']) : array(); $my_alredy_invited = $already_invited['course_users'] == null ? array() : $already_invited['course_users']; if (is_numeric($value) && !in_array($value, $my_alredy_invited) || !is_numeric($value) && !in_array($value, $addit_users_array)) { $new_user = true; if (!array_key_exists($value, $survey_invitations)) { $params = array('c_id' => $course_id, 'session_id' => $session_id, 'user' => $value, 'survey_code' => $survey_data['code'], 'invitation_code' => $invitation_code, 'invitation_date' => api_get_utc_datetime()); self::save_invitation($params); } } // Send the email if checkboxed if (($new_user || $reminder == 1) && $sendmail != 0) { // Make a change for absolute url if (isset($invitation_text)) { $invitation_text = api_html_entity_decode($invitation_text, ENT_QUOTES); $invitation_text = str_replace('src="../../', 'src="' . api_get_path(WEB_PATH), $invitation_text); $invitation_text = trim(stripslashes($invitation_text)); } SurveyUtil::send_invitation_mail($value, $invitation_code, $invitation_title, $invitation_text); $counter++; } } return $counter; // Number of invitations sent }
// Saving the invitations for the course users $count_course_users = SurveyUtil::save_invitations($values['course_users'], $values['mail_title'], $values['mail_text'], $values['resend_to_all'], $values['send_mail'], $values['remindUnAnswered']); // Saving the invitations for the additional users $values['additional_users'] = $values['additional_users'] . ';'; // This is for the case when you enter only one email $temp = str_replace(',', ';', $values['additional_users']); // This is to allow , and ; as email separators $additional_users = explode(';', $temp); for ($i = 0; $i < count($additional_users); $i++) { $additional_users[$i] = trim($additional_users[$i]); } $counter_additional_users = SurveyUtil::save_invitations($additional_users, $values['mail_title'], $values['mail_text'], $values['resend_to_all'], $values['send_mail'], $values['remindUnAnswered']); // Updating the invited field in the survey table SurveyUtil::update_count_invited($survey_data['code']); $total_count = $count_course_users + $counter_additional_users; $total_invited = count(SurveyUtil::get_invitations($survey_data['code'])); if ($total_invited > 0) { $message = '<a href="survey_invitation.php?view=answered&survey_id=' . $survey_data['survey_id'] . '">' . $survey_data['answered'] . '</a> '; $message .= get_lang('HaveAnswered') . ' '; $message .= '<a href="survey_invitation.php?view=invited&survey_id=' . $survey_data['survey_id'] . '">' . $total_invited . '</a> '; $message .= get_lang('WereInvited'); Display::display_normal_message($message, false); Display::display_confirmation_message($total_count . ' ' . get_lang('InvitationsSend')); } } else { // Getting the invited users $defaults = SurveyUtil::get_invited_users($survey_data['code']); // Getting the survey mail text if (!empty($survey_data['reminder_mail'])) { $defaults['mail_text'] = $survey_data['reminder_mail']; } else {