Dwelling/dwelling/guestbook.js

82 lines
2.4 KiB
JavaScript

const mysql = require("mysql");
const config = require("../config");
const util = require("../util");
let connection = mysql.createConnection(config.dwelling.database);
connection.config.queryFormat = util.mysqlQueryFormat;
exports.pageSize = config.dwelling.guestbook.pageSize !== undefined
? config.dwelling.guestbook.pageSize : 20;
exports.closeConnection = () => connection.end();
exports.getPosts = async (page = 1, page_size = exports.pageSize) => {
return new Promise((resolve, reject) => {
let query = "\
SELECT \
`guestbook`.`post_id`, \
`guestbook`.`created`, \
`guestbook`.`name`, \
(CASE \
WHEN `guestbook`.`hide_email` IS false \
THEN `guestbook`.`email` \
ELSE NULL \
END) AS `email`, \
(CASE \
WHEN `guestbook`.`hide_website` IS false \
THEN `guestbook`.`website` \
ELSE NULL \
END) AS `website`, \
`guestbook`.`message`, \
`guestbook_feedback`.`comment` AS `feedback`, \
`guestbook_feedback`.`created` AS `feedback_created` \
FROM `guestbook` \
LEFT JOIN `guestbook_feedback` ON `guestbook`.`post_id` = `guestbook_feedback`.`post_id` \
ORDER BY `guestbook`.`created` DESC \
LIMIT :page_size \
OFFSET :page_offset;";
connection.query(query, { page_size: page_size, page_offset: (page-1) * page_size },
(err, results) => {
if (err) reject(err);
resolve(results); });
});
};
exports.getPostsCount = async () => {
let promise = new Promise((resolve, reject) => {
connection.query("SELECT COUNT(`post_id`) AS total FROM `guestbook`;", (err, results, fields) => {
if (err) reject(err);
resolve(results[0].total); });
});
return promise.then(count => count);
};
exports.addPost = async (post) => {
return new Promise((resolve, reject) => {
let query = "INSERT INTO `guestbook` (`name`, `email`, `website`, `message`, `hide_website`, `hide_email`) \
VALUES (:name, :email, :website, :message, :hide_website, :hide_email);";
if (post.message === undefined || post.message === "")
reject("empty message");
if (post.message.includes("://"))
reject("spam");
if (post.name === undefined || post.name === "")
post.name = "Anonymous";
post.message = post.message.trim();
post.message = post.message.replace(/(?:\r\n|\n\r|\r)/g, "\n");
post.message = post.message.replace(/(?:\n\n|\n \n)/g, "\n");
connection.query(query, post, (err, results, fields) => {
if (err) reject(err);
resolve(true); });
});
}