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<?php
function admin_questions_title()
{
return _("Answer questions");
}
/**
* Renders a hint for new questions to answer.
*/
function admin_new_questions()
{
global $privileges, $page;
if ($page != "admin_questions") {
if (in_array("admin_questions", $privileges)) {
$new_messages = sql_num_query("SELECT * FROM `Questions` WHERE `AID` IS NULL");
if ($new_messages > 0) {
return '<a href="' . page_link_to("admin_questions") . '">' . _('There are unanswered questions!') . '</a>';
}
}
}
return null;
}
function admin_questions()
{
global $user;
if (! isset($_REQUEST['action'])) {
$unanswered_questions_table = [];
$questions = sql_select("SELECT * FROM `Questions` WHERE `AID` IS NULL");
foreach ($questions as $question) {
$user_source = User($question['UID']);
$unanswered_questions_table[] = [
'from' => User_Nick_render($user_source),
'question' => str_replace("\n", "<br />", $question['Question']),
'answer' => form([
form_textarea('answer', '', ''),
form_submit('submit', _("Save"))
], page_link_to('admin_questions') . '&action=answer&id=' . $question['QID']),
'actions' => button(page_link_to("admin_questions") . '&action=delete&id=' . $question['QID'], _("delete"), 'btn-xs')
];
}
$answered_questions_table = [];
$questions = sql_select("SELECT * FROM `Questions` WHERE NOT `AID` IS NULL");
foreach ($questions as $question) {
$user_source = User($question['UID']);
$answer_user_source = User($question['AID']);
$answered_questions_table[] = [
'from' => User_Nick_render($user_source),
'question' => str_replace("\n", "<br />", $question['Question']),
'answered_by' => User_Nick_render($answer_user_source),
'answer' => str_replace("\n", "<br />", $question['Answer']),
'actions' => button(page_link_to("admin_questions") . '&action=delete&id=' . $question['QID'], _("delete"), 'btn-xs')
];
}
return page_with_title(admin_questions_title(), [
'<h2>' . _("Unanswered questions") . '</h2>',
table([
'from' => _("From"),
'question' => _("Question"),
'answer' => _("Answer"),
'actions' => ''
], $unanswered_questions_table),
'<h2>' . _("Answered questions") . '</h2>',
table([
'from' => _("From"),
'question' => _("Question"),
'answered_by' => _("Answered by"),
'answer' => _("Answer"),
'actions' => ''
], $answered_questions_table)
]);
} else {
switch ($_REQUEST['action']) {
case 'answer':
if (isset($_REQUEST['id']) && preg_match("/^[0-9]{1,11}$/", $_REQUEST['id'])) {
$question_id = $_REQUEST['id'];
} else {
return error("Incomplete call, missing Question ID.", true);
}
$question = sql_select("SELECT * FROM `Questions` WHERE `QID`='" . sql_escape($question_id) . "' LIMIT 1");
if (count($question) > 0 && $question[0]['AID'] == null) {
$answer = trim(preg_replace("/([^\p{L}\p{P}\p{Z}\p{N}\n]{1,})/ui", '', strip_tags($_REQUEST['answer'])));
if ($answer != "") {
sql_query("UPDATE `Questions` SET `AID`='" . sql_escape($user['UID']) . "', `Answer`='" . sql_escape($answer) . "' WHERE `QID`='" . sql_escape($question_id) . "' LIMIT 1");
engelsystem_log("Question " . $question[0]['Question'] . " answered: " . $answer);
redirect(page_link_to("admin_questions"));
} else {
return error("Enter an answer!", true);
}
} else {
return error("No question found.", true);
}
break;
case 'delete':
if (isset($_REQUEST['id']) && preg_match("/^[0-9]{1,11}$/", $_REQUEST['id'])) {
$question_id = $_REQUEST['id'];
} else {
return error("Incomplete call, missing Question ID.", true);
}
$question = sql_select("SELECT * FROM `Questions` WHERE `QID`='" . sql_escape($question_id) . "' LIMIT 1");
if (count($question) > 0) {
sql_query("DELETE FROM `Questions` WHERE `QID`='" . sql_escape($question_id) . "' LIMIT 1");
engelsystem_log("Question deleted: " . $question[0]['Question']);
redirect(page_link_to("admin_questions"));
} else {
return error("No question found.", true);
}
break;
}
}
}
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