engelsystem/includes/pages/admin_news.php

<?php

/**
 * @return string
 */
function admin_news()
{
    global $user;

    if (!isset($_GET['action'])) {
        redirect(page_link_to('news'));
    }

    $html = '<div class="col-md-12"><h1>' . _("Edit news entry") . '</h1>' . msg();
    if (isset($_REQUEST['id']) && preg_match("/^[0-9]{1,11}$/", $_REQUEST['id'])) {
        $news_id = $_REQUEST['id'];
    } else {
        return error('Incomplete call, missing News ID.', true);
    }

    $news = sql_select("SELECT * FROM `News` WHERE `ID`='" . sql_escape($news_id) . "' LIMIT 1");
    if (empty($news)) {
        return error('No News found.', true);
    }

    switch ($_REQUEST['action']) {
        case 'edit':
            list($news) = $news;
            $user_source = User($news['UID']);

            $html .= form([
                form_info(_('Date'), date('Y-m-d H:i', $news['Datum'])),
                form_info(_('Author'), User_Nick_render($user_source)),
                form_text('eBetreff', _('Subject'), $news['Betreff']),
                form_textarea('eText', _('Message'), $news['Text']),
                form_checkbox('eTreffen', _('Meeting'), $news['Treffen'] == 1, 1),
                form_submit('submit', _('Save'))
            ], page_link_to('admin_news&action=save&id=' . $news_id));

            $html .= '<a class="btn btn-danger" href="' . page_link_to('admin_news&action=delete&id=' . $news_id) . '">'
                . '<span class="glyphicon glyphicon-trash"></span> ' . _("Delete")
                . '</a>';
            break;

        case 'save':
            sql_query("UPDATE `News` SET 
              `Datum`='" . sql_escape(time()) . "', 
              `Betreff`='" . sql_escape($_POST["eBetreff"]) . "', 
              `Text`='" . sql_escape($_POST["eText"]) . "', 
              `UID`='" . sql_escape($user['UID']) . "', 
              `Treffen`='" . sql_escape($_POST["eTreffen"]) . "' 
              WHERE `ID`='" . sql_escape($news_id) . "'");
            engelsystem_log('News updated: ' . $_POST['eBetreff']);
            success(_('News entry updated.'));
            redirect(page_link_to('news'));
            break;

        case 'delete':
            list($news) = $news;
            sql_query("DELETE FROM `News` WHERE `ID`='" . sql_escape($news_id) . "' LIMIT 1");
            engelsystem_log('News deleted: ' . $news['Betreff']);
            success(_('News entry deleted.'));
            redirect(page_link_to('news'));
            break;
        default:
            redirect(page_link_to('news'));
    }
    return $html . '</div>';
}