Haha-Yes/commands/images/meme.js

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2019-11-01 14:34:46 +01:00
const { Command } = require('discord-akairo');
let gm = require('gm');
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',
args: [
{
id: 'link',
type: 'string',
},
{
id: 'message',
type: 'string',
match: 'rest'
}
],
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 output = `${os.tmpdir()}/meme${message.id}.jpg`;
let options = args.message.trim().split('|');
if (options[0] == undefined)
options[0] = '';
else if (options[1] == undefined)
options[1] = '';
let Attachment = (message.attachments).array();
let url = args.link;
// Get attachment link
if (Attachment[0] && !args.link) {
url = Attachment[0].url;
}
if (!url) {
return message.channel.send('You need an image to use this command!');
}
let loadingmsg = await message.channel.send('Processing <a:loadingmin:527579785212329984>');
// Create new graphicsmagick instance
fetch(url)
.then(res => {
const dest = fs.createWriteStream(`${os.tmpdir()}/${message.id}.jpg`);
res.body.pipe(dest);
dest.on('finish', async () => {
let img = gm(`${os.tmpdir()}/${message.id}.jpg`);
// Set some defaults
const TOP_TEXT = options[0];
const BOTTOM_TEXT = options[1];
const FONT = './asset/impact.ttf';
const FONT_SIZE = 40;
const FONT_FILL = '#FFF';
const TEXT_POS = 'center';
const STROKE_COLOR = '#000';
const STROKE_WEIGHT = 2;
const PADDING = 40;
// Get the image size to calculate top and bottom text positions
img.size(function(err, value) {
console.log(value);
// Set text position for top and bottom
const TOP_POS = Math.abs((value.height / 2) - PADDING) * -1;
const BOTTOM_POS = (value.height / 2) - PADDING;
// Write text on image using graphicsmagick
img.font(FONT, FONT_SIZE)
.fill(FONT_FILL)
.stroke(STROKE_COLOR, STROKE_WEIGHT)
.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?');
return message.channel.send({files: [output]});
});
});
});
});
}
}
module.exports = memeCommand;