less indentation

lyricsnode/routes/round.js

@@ -34,43 +34,70 @@ function acronymize(phrase) {
  */
 function getSong(res) {
   var name = dbName();
-  console.log('Opening the database ' + name + '...');
-  db = new sqlite3.Database(name, sqlite3.OPEN_READWRITE, function (error) {
-    if (error) {
-      throw error;
-    }
+  var db = null;
+  var song = null;
+  var artist = null;
+  var lyrics = null;
+  
+  function pickSong() {
+    console.log('Picking song...');
+    db.get('SELECT * FROM songs WHERE done_in IS NULL ORDER BY random() LIMIT 1', function (err, selectSong) {
+      if (err) {
+        throw err;
+      }
+
+      song = selectSong;
+      console.log(song);
+      pickArtist();
+    });
+  }
 
-    console.log('Pickling a song...');
-    db.get('SELECT * FROM songs WHERE done_in IS NULL ORDER BY random() LIMIT 1', function (err, song) {
+  function pickArtist() {
+    console.log('Retrieving artist for song...');
+    db.get('SELECT * FROM artists WHERE id = ' + song.artist, function (err, selectArtist) {
       if (err) {
         throw err;
       }
 
-      console.log('Retrieving artist for song...');
-      db.get('SELECT * FROM artists WHERE id = ' + song.artist, function (err, artist) {
-        if (err) {
-          throw err;
-        }
-
-        console.log('Retrieving lyrics for song... ');
-        db.get('SELECT * FROM lyrics WHERE song = ' + song.id, function (err, lyrics) {
-          if (err) {
-            throw err;
-          }
-
-          var params = {
-            title: 'Round',
-            lyrics: lyrics.lyrics,
-            song_title: song.title,
-            song_artist: artist.name,
-            acronym_title: acronymize(song.title),
-            acronym_artist: acronymize(artist.name),
-            id: song.id
-          };
-          res.render('index', params);
-        });
-      });
+      artist = selectArtist;
+      console.log(artist);
+      pickLyrics();
     });
+  }
+
+  function pickLyrics() {
+    console.log('Retrieving lyrics for song... ');
+    db.get('SELECT * FROM lyrics WHERE song = ' + song.id, function (err, selectLyrics) {
+      if (err) {
+        throw err;
+      }
+
+      lyrics = selectLyrics;
+      console.log(lyrics);
+      answer();
+    });
+  }
+
+  function answer() {
+    var params = {
+      title: 'Round',
+      lyrics: lyrics.lyrics,
+      song_title: song.title,
+      song_artist: artist.name,
+      acronym_title: acronymize(song.title),
+      acronym_artist: acronymize(artist.name),
+      id: song.id
+    };
+    res.render('index', params);
+  }
+  
+  console.log('Opening the database ' + name + '...');
+  db = new sqlite3.Database(name, sqlite3.OPEN_READWRITE, function (error) {
+    if (error) {
+      throw error;
+    }
+
+    pickSong();
   });
 }