From 8c60a1ba0c4b0d563a641ed2c4853cf17690f0ad Mon Sep 17 00:00:00 2001
From: Radek Czajka <rczajka@rczajka.pl>
Date: Thu, 2 Jul 2020 17:39:01 +0200
Subject: [PATCH] Remember audiobook position in localStorage.

---
 src/catalogue/static/player/player.js         | 29 +++++++++++++++++--
 .../templates/catalogue/snippets/jplayer.html |  4 +--
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/src/catalogue/static/player/player.js b/src/catalogue/static/player/player.js
index a41d2c0ae..d80446318 100644
--- a/src/catalogue/static/player/player.js
+++ b/src/catalogue/static/player/player.js
@@ -13,7 +13,7 @@
 
             ready: function() {
                 var player = $(this);
-                var setMedia = function(elem) {
+                var setMedia = function(elem, time=0) {
                     var li = $(elem).parent();
                     var media = {}
 
@@ -21,7 +21,9 @@
                     media['oga'] = li.attr('data-ogg');
 
                     $(".title", $root).html(li.html());
-                    return player.jPlayer("setMedia", media);
+                    $root.attr('data-media-id', li.attr('data-media-id'));
+                    player.jPlayer("setMedia", media);
+                    player.jPlayer("pause", time);
                 };
 
                 $('.play-next', $root).click(function() {
@@ -41,8 +43,29 @@
                     $number.text(next)
                 });
 
-                setMedia($('.play', $root).first());
+                var initialElem = $('.play', $root).first();
+                var initialTime = 0;
+                if (Modernizr.localstorage) {
+                    audiobooks = JSON.parse(localStorage["audiobook-history"]);
+                    last = audiobooks[$root.attr("data-book-id")]
+                    if (last) {
+                        initialElem = $('[data-media-id="' + last[1] + '"] .play', $root).first();
+                        initialTime = last[2];
+                    }
+                }
+                setMedia(initialElem, initialTime);
+            },
 
+            timeupdate: function(event) {
+                if (Modernizr.localstorage) {
+                    try {
+                        audiobooks = JSON.parse(localStorage["audiobook-history"]);
+                    } catch {
+                        audiobooks = {};
+                    }
+                    audiobooks[$root.attr("data-book-id")] = [Date.now(), $root.attr("data-media-id"), event.jPlayer.status.currentTime];
+                    localStorage["audiobook-history"] = JSON.stringify(audiobooks);
+                }
             }
         });
       });
diff --git a/src/catalogue/templates/catalogue/snippets/jplayer.html b/src/catalogue/templates/catalogue/snippets/jplayer.html
index 50e024206..96d359141 100644
--- a/src/catalogue/templates/catalogue/snippets/jplayer.html
+++ b/src/catalogue/templates/catalogue/snippets/jplayer.html
@@ -1,6 +1,6 @@
 {% load i18n catalogue_tags %}
 {% if audiobooks %}{% if book|status:request.user != 'closed' %}
-  <div class="jp-type-playlist">
+  <div class="jp-type-playlist" data-book-id="{{ book.pk }}">
     <div id="jplayer" class="jp-jplayer" data-player="jp_container_{{ book.pk }}"
          data-supplied="oga,mp3"></div>
     <div id="jp_container_{{ book.pk }}" class="jp-audio">
@@ -29,7 +29,7 @@
         <div class="jp-playlist">
           <ul>
             {% for i in audiobooks %}
-              <li data-mp3='{{ i.mp3.file.url }}' data-ogg='{{ i.ogg.file.url }}'>
+              <li data-mp3='{{ i.mp3.file.url }}' data-ogg='{{ i.ogg.file.url }}' data-media-id="{{ i.mp3.id }}">
                 <div class='play'>{{ i.mp3.name }}
                   <div class='extra-info'>
                   {% with extra_info=i.mp3.get_extra_info_json %}
-- 
2.20.1