Handle login errors + add login delay (#6)

* Add some login delay

* Check for login errors

* Add back login confirmation message

5m5v-bot.js

@@ -23,25 +23,40 @@ if (!config.users.every(user => ['language', 'email', 'username', 'password'].ev
 
 const languages = config.users.map(user => user.language);
 const pollingIntervalMs = 40 * 1000;
+const loginDelayMs = 5 * 60 * 1000;
 const retweetDelayMs = config.delaytime || 2 * 60 * 1000;
 const isDryRun = process.argv[2] === '--dry-run';
 const tweetFilter = new TweetFilter(config.exclude, languages);
 
-async function getApiKey(user) {
-  if (!user.apiKey) {
-    console.log(`Logging in as ${user.username}...`);
+async function getApiKey(user, { retry = true } = {}) {
+  if (user.apiKey) {
+    return user.apiKey;
+  }
 
-    user.apiKey = await new Rettiwt().auth.login(user.email, user.username, user.password);
+  while (true) {
+    try {
+      console.log(`Logging in as ${user.username}...`);
 
-    console.log('Logged in!');
-  }
+      await new Promise(resolve => setTimeout(resolve, loginDelayMs));
+
+      user.apiKey = await new Rettiwt().auth.login(user.email, user.username, user.password);
 
-  return user.apiKey;
+      console.log('Logged in!');
+
+      return user.apiKey;
+    } catch (e) {
+      console.error(`Unable to log in: ${e.message}`);
+
+      if (!retry) {
+        throw e;
+      }
+    }
+  }
 }
 
 (async () => {
   while (true) {
-    const rettiwt = new Rettiwt({ apiKey: await getApiKey(config.users[0]) });
+    const rettiwt = new Rettiwt({ apiKey: await getApiKey(config.users[0], { retry: true }) });
 
     console.log(isDryRun ? 'Looking for new tweets (dry run)...' : 'Looking for new tweets...');
 
@@ -56,7 +71,7 @@ async function getApiKey(user) {
 
           try {
             if (!isDryRun) {
-              const rettiwt = new Rettiwt({ apiKey: await getApiKey(user) });
+              const rettiwt = new Rettiwt({ apiKey: await getApiKey(user, { retry: false }) });
 
               await rettiwt.tweet.retweet(tweet.id);
             }