From a0cc2e492710431c3e1103b35b519904141a951b Mon Sep 17 00:00:00 2001
From: Lynn Smeria <ae@cephea.de>
Date: Sun, 11 Nov 2018 12:50:08 +0100
Subject: [PATCH] Parse and normalise dates

---
 package.json    |  2 +-
 src/generate.js | 25 +++++++++++++++++++------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/package.json b/package.json
index 9e0d898..c628f49 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "publikator",
-  "version": "0.17.5",
+  "version": "0.17.7",
   "main": "index.js",
   "repository": "https://github.com/aengl/publikator.git",
   "author": "Lynn Smeria <ae@cephea.de>",
diff --git a/src/generate.js b/src/generate.js
index 00114d7..f99230e 100644
--- a/src/generate.js
+++ b/src/generate.js
@@ -23,6 +23,18 @@ const collect = (tracks, callback) => {
 const find = (tracks, path) =>
   _.get(tracks.find(track => !_.isNil(_.get(track, path))), path);
 
+/**
+ * Parses a date and returns it in the form of `year-month-day`.
+ */
+const parseDate = s => {
+  if (!_.isNil(s)) {
+    const d = new Date(s.toString());
+    if (!_.isNaN(d.getTime())) {
+      return `${d.getFullYear()}-${d.getMonth() + 1}-${d.getDate()}`;
+    }
+  }
+};
+
 /**
  * Creates release information for a single album.
  */
@@ -34,13 +46,14 @@ const getAlbumInfo = (root, tracks) => ({
   bitrate: collect(tracks, t => t.format.bitrate),
   trackCount: tracks.length,
   cover: find(tracks, 'cover'),
-  date:
+  date: parseDate(
     find(tracks, 'common.date') ||
-    find(tracks, 'common.originaldate') ||
-    find(tracks, 'all.ORIGINALDATE') ||
-    find(tracks, 'common.year') ||
-    find(tracks, 'common.originalyear') ||
-    find(tracks, 'all.ORIGINALYEAR'),
+      find(tracks, 'common.originaldate') ||
+      find(tracks, 'all.ORIGINALDATE') ||
+      find(tracks, 'common.year') ||
+      find(tracks, 'common.originalyear') ||
+      find(tracks, 'all.ORIGINALYEAR')
+  ),
   tracks: _.sortBy(tracks, 'common.track.no'),
 });