From 36839a40d239eefd6138586345df46d6ca6aba6d Mon Sep 17 00:00:00 2001
From: patw <patw.hi@gmail.com>
Date: Wed, 19 Dec 2018 11:15:01 +0800
Subject: [PATCH] Fixed song schema  issue

https://github.com/StephenGrider/Lyrical-GraphQL/issues/17
---
 server/models/song.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/server/models/song.js b/server/models/song.js
index c4f372a..41d0779 100644
--- a/server/models/song.js
+++ b/server/models/song.js
@@ -11,6 +11,8 @@ const SongSchema = new Schema({
     type: Schema.Types.ObjectId,
     ref: 'lyric'
   }]
+}, {
+  usePushEach: true,
 });
 
 SongSchema.statics.addLyric = function(id, content) {
@@ -19,7 +21,7 @@ SongSchema.statics.addLyric = function(id, content) {
   return this.findById(id)
     .then(song => {
       const lyric = new Lyric({ content, song })
-      song.lyrics.push(lyric)
+      song.lyrics.push(lyric.id)
       return Promise.all([lyric.save(), song.save()])
         .then(([lyric, song]) => song);
     });