From 320c4f7aa51269e807902c0aa7c8f7eba1e4ec50 Mon Sep 17 00:00:00 2001
From: Annika Backstrom <annika@sixohthree.com>
Date: Tue, 11 Apr 2017 18:58:43 -0400
Subject: [PATCH] Allow song randomization when tags are duplicated

---
 bin/tag-reader-dummy            | 2 +-
 jukebox/library/file-backend.js | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/bin/tag-reader-dummy b/bin/tag-reader-dummy
index 9727933..9eaed9f 100755
--- a/bin/tag-reader-dummy
+++ b/bin/tag-reader-dummy
@@ -24,7 +24,7 @@ var html = `
   <h1>tag-reader-dummy</h1>
   <form method="post" class="pure-form">
     <input class="pure-button pure-button-primary" type="submit" name="uid" value="12121212">
-    OK Then.mp3
+    OK Then.mp3 / Other.mp3
   </form>
   <form method="post" class="pure-form">
     <input class="pure-button pure-button-primary" type="submit" name="uid" value="BADC0FFEE">
diff --git a/jukebox/library/file-backend.js b/jukebox/library/file-backend.js
index bcf5459..6226a2e 100644
--- a/jukebox/library/file-backend.js
+++ b/jukebox/library/file-backend.js
@@ -2,6 +2,11 @@
 
 const glob = require('glob');
 
+function pickRandom(arr) {
+  var index = Math.floor(Math.random() * arr.length);
+  return arr[index];
+}
+
 class FileBackend {
   constructor(config) {
     this.config = config;
@@ -10,7 +15,7 @@ class FileBackend {
   find(tag, callback) {
     glob(this.config.media_path + '/' + tag + ' - *.mp3', (err, files) => {
       if (files.length > 0) {
-        return callback(files[0]);
+        return callback(pickRandom(files));
       }
       callback();
     });