Export functions and update code style

functions.js

@@ -0,0 +1,187 @@
+const Discord = require("discord.js"),
+ms = require("ms");
+
+module.exports = {
+
+    /**
+     * Creates a new profile for the user
+     * 
+     * @param {object} user The user for whom the profile will be created
+     * @param {object} db The database in which the user profile will be saved
+     * 
+     * @returns The user profile (object)
+     */
+    createUser: function (user, db, bot){
+
+        // Set defaults user information
+        db.set(user.id, {
+            credits:0,
+            rep:0,
+            level:0, 
+            xp:0,
+            desc:"unknow",
+            premium:"false",
+            registeredAt:require("./functions.js").printDate(new Date(Date.now()))
+        });
+
+        // Log in the console
+        console.log("\x1b[32m","[DB]","\x1b[0m", "User \""+user.username+"\" registered ! ID : \""+user.id+"\"");
+
+        // Return user data
+        return db.get(user.id);
+    },
+
+    /**
+     * This function will fetch the users and add them to the table
+     * 
+     * @param {array} array The array of users
+     * @param {object} table The table that will contain the users
+     * @param {object} bot The discord client 
+     * 
+     * @returns The table with the users 
+     */
+    fetchUsers: async function(array, table, bot) {
+        // Create promise
+        return new Promise((resolve, reject) => {
+            // Init counter
+            let pos = 0;
+            // Init new array
+            let narray = [];
+            array.forEach(element => {
+                bot.fetchUser(element.id).then(user => {
+                     // Update counter variable
+                    pos++;
+                    // Update the username of the user 
+                    let regex = /(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])/g;
+                    _user = user.username.replace(regex, "");
+                    if(_user.length > 20){
+                        _user.length = 20;
+                    }
+                    // Add new row to the ascii table
+                    table.addRow(pos, _user, element.credits, element.rep);
+                });
+            });
+            // Return the table
+            resolve(table);
+        });
+    },
+
+    /**
+     * This function manages the xp of users
+     * 
+     * @param {object} msg The Discord Message
+     * @param {object} authorData The user data
+     * @param {array} dbs An array with the cooldown db and the db which the user xp will be saved
+     * 
+     * @returns The user profile
+     */
+    updateXp: function(msg, authorData, dbs){
+
+        let usersData = dbs[0];
+        let xpCooldown = dbs[1];
+
+        // Gets the user informations
+        let xp = parseInt(authorData.xp, 10);
+        let level = parseInt(authorData.level, 10);
+
+        // if the member is already in the cooldown db
+        let isInCooldown = xpCooldown.get(msg.author.id);
+        if(isInCooldown){
+            /*if the timestamp recorded in the database indicating 
+            when the member will be able to win xp again
+            is greater than the current date, return */
+            if(isInCooldown > Date.now()){
+                return;
+            }
+        }
+        // Records in the database the time when the member will be able to win xp again (3min)
+        let towait = Date.now() + ms("1m");
+        xpCooldown.set(msg.author.id, towait);
+
+        // Gets a random number between 10 and 5 
+        let won = Math.floor(Math.random() * ( Math.floor(10) - Math.ceil(5))) + Math.ceil(5);
+
+        let newXp = parseInt(xp + won, 10);
+
+        // Update user data
+        usersData.set(msg.author.id+".xp", newXp);
+
+        // calculation how many xp it takes for the next new one
+        let needed_xp = 5 * (level * level) + 80 * level + 100;
+
+        // check if the member up to the next level
+        if(newXp > needed_xp){
+            level++;
+        }
+
+        // Update user data
+        usersData.set(msg.author.id+".level", level);
+
+        return usersData.get(msg.author.id);
+    },
+
+    /**
+     * Returns a correctly formatted date
+     * 
+     * @param {Date} pdate The date to be formatted
+     * 
+     * @returns The formatted date (string)
+     */
+    printDate: function(pdate){
+        // An array of the months
+        let monthNames = [
+            "janvier", "février", "mars",
+            "avril", "mai", "juin", "juillet",
+            "août", "septembre", "octobre",
+            "novembre", "décembre"
+        ];
+
+        // Get date informations
+        let day = pdate.getDate(),
+        monthIndex = pdate.getMonth(),
+        year = pdate.getFullYear(),
+        hour = pdate.getHours(),
+        minute = pdate.getMinutes();
+
+        // Return a string of the date
+        return day+" "+monthNames[monthIndex]+" "+year+" à "+hour+"h"+minute;
+    },
+
+    /**
+     * Converts a time in milliseconds into a well formatted character string
+     * 
+     * @param {number} ms The amount of milliseconds
+     * 
+     * @returns A string
+     */
+    convertMs: function(ms){
+        let d, h, m, s;
+        s = Math.floor(ms / 1000);
+        m = Math.floor(s / 60);
+        s = s % 60;
+        h = Math.floor(m / 60);
+        m = m % 60;
+        d = Math.floor(h / 24);
+        h = h % 24;
+        h += d * 24;
+
+        // Return a string
+        return h+" heure(s) "+m+" minute(s) "+s+" seconde(s)";
+    },
+
+    /**
+     * Sort an array of objects 
+     * 
+     * @param {array} array The array to sort
+     * @param {string} key The value that will determine how the objects will be sorted
+     * 
+     * @returns The sorted array
+     */
+    sortByKey: function(array, key) {
+        return array.sort(function(a, b) {
+            let x = a[key]; let y = b[key];
+            return ((x < y) ? 1 : ((x > y) ? -1 : 0));
+        });
+    }
+
+}