'use strict'; const fs = require('fs'); const commandExistsSync = require('command-exists').sync; const logger = require('./bin/logger'); const { version } = require('./package.json'); logger.info(`Starting the twitter-to-discord application v${version}`); // Extract all the env variables we will be using const { TWITTER_CONSUMER_KEYS, TWITTER_CONSUMER_SECRET, TWITTER_ACCESS_TOKEN_KEY, TWITTER_ACCESS_TOKEN_SECRET, MONGO_URI, DISCORD_BOT_TOKEN, DISCORD_CMD_PREFIX, DISCORD_BOT_OWNER_ID, TEMP, } = process.env; // Exit if the env variable was not set or passed. None can be empty function envTest(value, name) { logger.debug(`${name}=${value}`); if (!value) { logger.error(`Missing the environment variable '${name}'`); process.exit(1); } } envTest(TWITTER_CONSUMER_KEYS, 'TWITTER_CONSUMER_KEYS'); envTest(TWITTER_CONSUMER_SECRET, 'TWITTER_CONSUMER_SECRET'); envTest(TWITTER_ACCESS_TOKEN_KEY, 'TWITTER_ACCESS_TOKEN_KEY'); envTest(TWITTER_ACCESS_TOKEN_SECRET, 'TWITTER_ACCESS_TOKEN_SECRET'); envTest(MONGO_URI, 'MONGO_URI'); envTest(DISCORD_BOT_TOKEN, 'DISCORD_BOT_TOKEN'); envTest(DISCORD_CMD_PREFIX, 'DISCORD_CMD_PREFIX'); envTest(DISCORD_BOT_OWNER_ID, 'DISCORD_BOT_OWNER_ID'); envTest(TEMP, 'TEMP'); // Ensure we can access the temp directory try { fs.accessSync(process.env.TEMP, fs.constants.F_OK); } catch (err) { logger.error(`Unable to access the temp directory: ${process.env.TEMP}`); logger.debug(err); process.exit(1); } // Ensure all the commands we need to function exist via PATH if (!commandExistsSync('ffmpeg')) { logger.error('\'ffmpeg\' is not available on the command line'); process.exit(1); } if (!commandExistsSync('gm')) { logger.error('\'gm\' is not available on the command line'); process.exit(1); } // Passed all the startup tests // Continue to load application require('./bin');