const { Command } = require('discord-akairo'); const gm = require('gm').subClass({imageMagick: true}); const os = require('os'); const fetch = require('node-fetch'); const fs = require('fs'); class memeCommand extends Command { constructor() { super('meme', { aliases: ['meme', 'impact'], category: 'images', clientPermissions: ['SEND_MESSAGES', 'ATTACH_FILES'], args: [ { id: 'link', prompt: { start: 'Please input a link to use, say `cancel` to stop the command' }, type: 'string', }, { id: 'message', prompt: { start: 'Please input a caption, say `cancel` to stop the command' }, type: 'string', match: 'rest' }, { id: 'fontSize', match: 'option', flag: '--fontSize', } ], description: { content: 'Impact font on image (use ``|`` to separate top text and bottom text)', usage: '[link to image] [topText|bottomText]', examples: [''] } }); } async exec(message, args) { let options = args.message.trim().split('|'); if (options[0] == undefined) options[0] = ''; else if (options[1] == undefined) options[1] = ''; let url = args.link; if (!url) { return message.channel.send('You need an image to use this command!'); } let loadingmsg = await message.channel.send('Processing '); // Create new graphicsmagick instance fetch(url) .then(res => { const dest = fs.createWriteStream(`${os.tmpdir()}/${message.id}`); res.body.pipe(dest); dest.on('finish', async () => { let img = gm(`${os.tmpdir()}/${message.id}`); // Set some defaults const TOP_TEXT = options[0]; const BOTTOM_TEXT = options[1]; const FONT = './asset/impact.ttf'; const FONT_FILL = '#FFF'; const TEXT_POS = 'center'; const STROKE_COLOR = '#000'; const PADDING = 40; img.format(function(err, format) { if (err) { console.error(err); return message.channel.send('An error has occured, is it an image?'); } let output = `${os.tmpdir()}/meme${message.id}.${format.toLowerCase()}`; if (format.toLowerCase() == 'gif') img.coalesce(); // Get the image size to calculate top and bottom text positions img.size(function(err, value) { // Set text position for top and bottom const TOP_POS = Math.abs((value.height / 2) - PADDING) * -0.9; const BOTTOM_POS = ((value.height / 2) - PADDING * 3); let FONT_SIZE = args.fontSize ? args.fontSize : (value.width / 10); // Write text on image using graphicsmagick img.font(FONT, FONT_SIZE) .fill(FONT_FILL) .stroke(STROKE_COLOR) .drawText(0, TOP_POS, TOP_TEXT, TEXT_POS) .drawText(0, BOTTOM_POS, BOTTOM_TEXT, TEXT_POS) .write(output, function(err) { loadingmsg.delete(); if (err) return message.channel.send('An error just occured! is it a static image?'); message.delete(); return message.channel.send(`Made by ${message.author.username}`,{files: [output]}) .catch(() => { return message.channel.send('The image is too big to fit on discord!'); }); }); }); }); }); }) .catch((err) => { return message.channel.send(`Please input a correct link \`${err}\``); }); } } module.exports = memeCommand;