can now store users in database + database file

Commons/Data/User.js

@@ -0,0 +1,61 @@
+const mysql = require("mysql");
+/**
+ * creates a user and stores it in the databse
+ * @param sql {Connection} the mysql connection object
+ * @param server {string} the id of which server you want ot create a user on
+ * @param user {string} the id of which user you want to store
+ * @param username {string} the username of the user you want to store
+ * @param nickname {string} if the nickname of the user if he got any
+ * @param owner {boolean} whether or not the user is the server owner
+ */
+let CreateUser = async (sql, server, user, username, owner) => {
+    sql.query({
+        sql: 'INSERT INTO serverusers SET ?',
+        timeout: 40000, // 40s
+        values: {serverid: server, userid: user, username: username, owner: owner}
+    }, function (error, results, fields) {
+        // error will be an Error if one occurred during the query
+        if (error != undefined | null) {
+            throw `could not create user on server ${server} with userid ${user} due to error: ` + error
+        }
+        // results will contain the results of the query
+        // fields will contain information about the returned results fields (if any)
+    });
+}
+
+/**
+ * gets a user from databse
+ * @param sql {mysql.Connection} the mysql connection object
+ * @param server {string} the id of which server you want ot create a user on
+ * @param user {string} the id of which user you want to store
+ */
+let GetUser = async (sql, server, user) => {
+        throw "not implemented";
+}
+
+/**
+ * updates a user and stores it in the databse
+ * @param sql {mysql.Connection} the mysql connection object
+ * @param server {string} the id of which server you want ot create a user on
+ * @param user {string} the id of which user you want to store
+ * @param username {string} the username of the user you want to store
+ * @param nickname {string} if the nickname of the user if he got any
+ * @param owner {boolean} whether or not the user is the server owner
+ * @param xp {number} the xp the specified user has
+ * @param level {number} the level the user has
+ */
+let UpdateUser = async (sql, server, user, username, nickname, owner, xp, level) => {
+        throw "not implemented";
+}
+
+/**
+ * gets a user from databse
+ * @param sql {mysql.Connection} the mysql connection object
+ * @param server {string} the id of which server you want ot create a user on
+ * @param user {string} the id of which user you want to store
+ */
+let RemoveUser = async (sql, server, user) => {
+        throw "not implemented";
+}
+
+module.exports = {CreateUser, GetUser, UpdateUser, RemoveUser}