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path: root/includes/pages/user_questions.php
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<?php

/**
 * @return string
 */
function questions_title()
{
    return _("Ask the Heaven");
}

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

    if (!isset($_REQUEST['action'])) {
        $open_questions = sql_select(
            "SELECT * FROM `Questions` WHERE `AID` IS NULL AND `UID`='" . sql_escape($user['UID']) . "'"
        );

        $answered_questions = sql_select(
            "SELECT * FROM `Questions` WHERE NOT `AID` IS NULL AND `UID`='" . sql_escape($user['UID']) . "'"
        );
        foreach ($answered_questions as &$question) {
            $answer_user_source = User($question['AID']);
            $question['answer_user'] = User_Nick_render($answer_user_source);
        }

        return Questions_view($open_questions, $answered_questions, page_link_to("user_questions") . '&action=ask');
    } else {
        switch ($_REQUEST['action']) {
            case 'ask':
                $question = strip_request_item_nl('question');
                if ($question != "") {
                    $result = sql_query("
                        INSERT INTO `Questions`
                        SET `UID`='" . sql_escape($user['UID']) . "', `Question`='" . sql_escape($question) . "'
                    ");
                    if ($result === false) {
                        engelsystem_error(_("Unable to save question."));
                    }
                    success(_("You question was saved."));
                    redirect(page_link_to("user_questions"));
                } else {
                    return page_with_title(questions_title(), [
                        error(_("Please enter a question!"), 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 && $question[0]['UID'] == $user['UID']) {
                    sql_query("DELETE FROM `Questions` WHERE `QID`='" . sql_escape($question_id) . "' LIMIT 1");
                    redirect(page_link_to("user_questions"));
                } else {
                    return page_with_title(questions_title(), [
                        error(_("No question found."), true)
                    ]);
                }
                break;
        }
    }

    return '';
}