pay.js

const Discord = require('discord.js');
const Paypal = require('paypal-express-checkout');
const conf = require("../conf")


exports.run = (bot, message, args, helpers) => {
  let msg = message;
  if(helpers.checkPerms(message, "Management")) {
    if(!args[0]) { return message.reply("Oops! You didn't give valid args.. -help pay"); }
    let member = message.mentions.members.first();
    if (!member) { return message.reply("Oops! You didn't mention the client.. -help pay"); }
    let v = ((4.4 / 100) * args[0] + 0.30 + args[0]).toFixed(2); //-pay # @Client <option(Number of payments left (1/2/3))>
    let n = args[2];
    if(!n) { n = 2 }
    if(isNaN(v)) {
      return message.reply("Not a Number... "+v);
    } else {


      let messagePR = msg.channel.send('Processing Your Payment Request.').then(pr => {
        let paypal = Paypal.init(conf.username, conf.password, conf.sign, 'http://172.106.202.26:8080/payments/return/?guildId='+msg.guild.id+"&memberId="+member.id+"&channelId="+msg.channel.id+"&messageId="+pr.id, 'http://172.106.202.26:8080/payments/cancel/');
        paypal.pay(message.id, v, 'Invoice', 'USD', function(err, url) {
        if (err) {
          console.log(err)
            throw err;
        } else {
            helpers.connection.query("SELECT * FROM tickets WHERE channelid = "+message.channel.id, function (err, rows, result) {
              if(!rows[0]) { return message.reply("This channel isn't in the database.")}
            let payEmbed = new Discord.RichEmbed()
            .setAuthor("Payment Processer", message.author.displayAvatarURL)
            .addField("Rendered", "$"+v+"", true)
            .addField("Link","[Click Here!]("+url+")", true)
            .addField("Payments:", n, true)
            .addField("Status:", "Pending", true)
            .addField("Client:","**"+member+"**", true)
            .setImage('https://i.imgur.com/FUPUMDH.gif')
            .setTimestamp()
            .setColor(conf.color)
            .setFooter(conf.footer);
            pr.edit(payEmbed);
            message.delete();
            helpers.uticket("paid","Pending","channelid",message.channel.id);
           })
           //---------------------- ---- -- ------------ PAYPAL ---------------------- ---- -- ------------\\
           const express = require('express');
           const app = express();

           const Paypal = require('paypal-express-checkout');
           let paypal = Paypal.init(conf.username, conf.password, conf.sign, 'http://172.106.202.26:8080/payments/return/', 'http://172.106.202.26:8080/payments/cancel/');

           app.get('/payments/cancel/', function(req, res) {
               if (req.query.token != null && req.query.PayerID != null)
               console.log(req.query.token + " " + req.query.PayerID);

               res.redirect('https://www.paypal.com/');
           });

           app.get('/payments/return/', function(req, res){
               if (req.query.token != null && req.query.PayerID != null)
               console.log(req.query.token + " " + req.query.PayerID);

                   paypal.detail(req.query.token, req.query.PayerID, function (err, data, invoiceNumber, price) {

                       if (data.ACK === 'Success') {
                           if (req) {
                               console.log(req.originalUrl);
                               console.log(req.originalUrl.split('/')[3]);

                               let url = req.originalUrl.split('/')[3];

                               if (!url) return;

                               let guildId = url.split('?guildId=')[1].split('&')[0];
                               let guild = bot.guilds.get(guildId);
                               if (!guild) return console.error('No server.');

                               let userId = url.split('&memberId=')[1].split('&')[0];
                               let user = guild.members.get(userId);
                               if (!guild) return console.error('No user.');

                               let channelId = url.split('&channelId=')[1].split('&')[0];
                               let channel = guild.channels.get(channelId);
                               if (!channel) return console.error('No channel.');

                               let messageId = url.split('&messageId=')[1].split('&')[0];
                               if (!messageId) return console.error('No message ID.');

                               if (channel) {
                                   channel.fetchMessage(messageId).then((fetchedMsg) => {
                                       if (!fetchedMsg) return console.error('No message.');
                                       helpers.connection.query("SELECT * FROM orders WHERE channelid = "+channelId, function (err, rows, result) {
                                         if(err) { console.log(err); }
                                       let paid = new Discord.RichEmbed()
                                       .setAuthor("Payment Processer", 'https://cdn.discordapp.com/attachments/443315897596379141/497851038448091137/halloweenhydra.png')
                                       .addField("Status:", "Completed ✅", true)
                                       .addField("Client:", rows[0].username, true)
                                       .addField("Freelancer", rows[0].freelancer, true)
                                       .setTimestamp()
                                       .setColor(conf.color)
                                       .setFooter(conf.footer);
                                       fetchedMsg.edit(paid);
                                       let mang = message.guild.roles.find(x => x.name == "Management")
                                       message.channel.send("<@"+member.id+">").then(msg => { msg.delete(); });
                                       message.channel.send("<@"+mang.id+">").then(msg => { msg.delete(); });
                                       fetchedMsg.react('✅');

                                     })
                                   })
                               }
                           }
                           res.redirect('https://www.paypal.com/');
                       }
                   });
           });
           app.listen(8080);
          }
        })
      })
    }
  }
}

//CREDIT: This system was created with help of MarkD ( Mark David )


exports.conf = {
  enabled: true,
  guildOnly: false,
  aliases: ['pa']
};

exports.help = {
  name: "pay",
  category: "Payments",
  description: "Create a payment Processer.",
  usage: "pay # @Client #"
};