1 files changed, 93 insertions, 0 deletions
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..dca80ac
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,93 @@
+// Verify NodeJS version
+const nodeMajorVersion = parseInt(process.versions.node.split('.')[0], 10);
+if (nodeMajorVersion < 10) {
+  console.error('Unsupported NodeJS version! Please install NodeJS 10 or newer.');
+  process.exit(1);
+}
+
+// Verify node modules have been installed
+const fs = require('fs');
+const path = require('path');
+
+try {
+  fs.accessSync(path.join(__dirname, '..', 'node_modules'));
+} catch (e) {
+  console.error('Please run "npm install" before starting the bot');
+  process.exit(1);
+}
+
+// Error handling
+process.on('uncaughtException', err => {
+  // Unknown message types (nitro boosting messages at the time) should be safe to ignore
+  if (err && err.message && err.message.startsWith('Unhandled MESSAGE_CREATE type')) {
+    return;
+  }
+
+  // For everything else, crash with the error
+  console.error(err);
+  process.exit(1);
+});
+
+let testedPackage = '';
+try {
+  const packageJson = require('../package.json');
+  const modules = Object.keys(packageJson.dependencies);
+  modules.forEach(mod => {
+    testedPackage = mod;
+    fs.accessSync(path.join(__dirname, '..', 'node_modules', mod))
+  });
+} catch (e) {
+  console.error(`Please run "npm install" again! Package "${testedPackage}" is missing.`);
+  process.exit(1);
+}
+
+const config = require('./config');
+const utils = require('./utils');
+const main = require('./main');
+const knex = require('./knex');
+const legacyMigrator = require('./legacy/legacyMigrator');
+
+// Force crash on unhandled rejections (use something like forever/pm2 to restart)
+process.on('unhandledRejection', err => {
+  if (err instanceof utils.BotError || (err && err.code)) {
+    // We ignore stack traces for BotErrors (the message has enough info) and network errors from Eris (their stack traces are unreadably long)
+    console.error(`Error: ${err.message}`);
+  } else {
+    console.error(err);
+  }
+
+  process.exit(1);
+});
+
+(async function() {
+  // Make sure the database is up to date
+  await knex.migrate.latest();
+
+  // Migrate legacy data if we need to
+  if (await legacyMigrator.shouldMigrate()) {
+    console.log('=== MIGRATING LEGACY DATA ===');
+    console.log('Do not close the bot!');
+    console.log('');
+
+    await legacyMigrator.migrate();
+
+    const relativeDbDir = (path.isAbsolute(config.dbDir) ? config.dbDir : path.resolve(process.cwd(), config.dbDir));
+    const relativeLogDir = (path.isAbsolute(config.logDir) ? config.logDir : path.resolve(process.cwd(), config.logDir));
+
+    console.log('');
+    console.log('=== LEGACY DATA MIGRATION FINISHED ===');
+    console.log('');
+    console.log('IMPORTANT: After the bot starts, please verify that all logs, threads, blocked users, and snippets are still working correctly.');
+    console.log('Once you\'ve done that, the following files/directories are no longer needed. I would recommend keeping a backup of them, however.');
+    console.log('');
+    console.log('FILE: ' + path.resolve(relativeDbDir, 'threads.json'));
+    console.log('FILE: ' + path.resolve(relativeDbDir, 'blocked.json'));
+    console.log('FILE: ' + path.resolve(relativeDbDir, 'snippets.json'));
+    console.log('DIRECTORY: ' + relativeLogDir);
+    console.log('');
+    console.log('Starting the bot...');
+  }
+
+  // Start the bot
+  main.start();
+})();