forked from Supositware/Haha-Yes
demotivational poster generator
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115
commands/images/poster.js
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115
commands/images/poster.js
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const { Command } = require('discord-akairo');
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let gm = require('gm');
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const os = require('os');
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const fetch = require('node-fetch');
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const fs = require('fs');
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class posterCommand extends Command {
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constructor() {
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super('poster', {
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aliases: ['poster'],
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category: 'images',
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clientPermissions: ['SEND_MESSAGES', 'ATTACH_FILES'],
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args: [
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{
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id: 'link',
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prompt: {
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start: 'Please input a link to use, say `cancel` to stop the command'
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},
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type: 'string',
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},
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{
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id: 'message',
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prompt: {
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start: 'Please input a caption, say `cancel` to stop the command'
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},
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type: 'string',
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match: 'rest'
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}
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],
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description: {
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content: 'Create demotivational poster (use ``|`` to separate top text and bottom text) WIP',
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usage: '[link to image] [topText|bottomText]',
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examples: ['']
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}
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});
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}
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async exec(message, args) {
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let output = `${os.tmpdir()}/poster${message.id}.jpg`;
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let options = args.message.trim().split('|');
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if (options[0] == undefined)
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options[0] = '';
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else if (options[1] == undefined)
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options[1] = '';
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let url = args.link;
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if (!url) {
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return message.channel.send('You need an image to use this command!');
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}
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let loadingmsg = await message.channel.send('Processing <a:loadingmin:527579785212329984>');
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// Create new graphicsmagick instance
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fetch(url)
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.then(res => {
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const dest = fs.createWriteStream(`${os.tmpdir()}/${message.id}.jpg`);
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res.body.pipe(dest);
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dest.on('finish', async () => {
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let img = gm(`${os.tmpdir()}/${message.id}.jpg`);
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// Set some defaults
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const TOP_TEXT = options[0];
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const BOTTOM_TEXT = options[1];
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const FONT = './asset/times.ttf';
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const FONT_FILL = '#FFF';
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const TEXT_POS = 'center';
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const STROKE_COLOR = '#000';
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const PADDING = 40;
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// Get the image size to calculate top and bottom text positions
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img.size(function(err, value) {
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// Set text position for top and bottom
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const TOP_POS = Math.abs((value.height / 2) - PADDING) + 110;
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const BOTTOM_POS = (value.height / 2) - PADDING + 180;
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//const FONT_SIZE1 = 50;
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const FONT_SIZE1 = (value.width / 12);
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const FONT_SIZE2 = (value.width / 12) - 20;
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//const FONT_SIZE2 = 30;
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// Write text on image using graphicsmagick
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img.shave(1,1)
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.borderColor('white')
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.border(2,2)
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.borderColor('black')
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.border(50,200)
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.fill(FONT_FILL)
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.stroke(STROKE_COLOR, -2)
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.font(FONT, FONT_SIZE1)
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.drawText(0, TOP_POS, TOP_TEXT, TEXT_POS)
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.font(FONT, FONT_SIZE2)
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.drawText(0, BOTTOM_POS, BOTTOM_TEXT, TEXT_POS)
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.write(output, function(err) {
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loadingmsg.delete();
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if (err) {
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console.error(err);
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return message.channel.send('An error just occured! is it a static image?');
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}
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return message.channel.send({files: [output]});
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});
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});
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});
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})
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.catch((err) => {
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console.error(err);
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return message.channel.send(`Please input a correct link \`${err}\``);
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});
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}
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}
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module.exports = posterCommand;
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