From 89c37017269feaf1f57086526d4ae8324d52d31a Mon Sep 17 00:00:00 2001
From: Mischa Spelt <mischa.spelt@nhgooi.nl>
Date: Thu, 30 Jan 2020 22:46:21 +0100
Subject: [PATCH] Added RSS for podcasts at /rss/podcasts

---
 .../Http/Controllers/PodcastController.php    | 26 ++++++++++---
 api/resources/views/rss/podcasts.blade.php    | 37 +++++++++++++++++++
 api/routes/web.php                            |  3 ++
 common/classes/Podcast.php                    | 12 ++++++
 4 files changed, 73 insertions(+), 5 deletions(-)
 create mode 100644 api/resources/views/rss/podcasts.blade.php

diff --git a/api/app/Http/Controllers/PodcastController.php b/api/app/Http/Controllers/PodcastController.php
index 4ddff44..2deb342 100644
--- a/api/app/Http/Controllers/PodcastController.php
+++ b/api/app/Http/Controllers/PodcastController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use Illuminate\Http\Request;
+use Illuminate\Http\Response;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 
 error_reporting(E_ALL);
@@ -11,7 +12,7 @@ ini_set('display_errors', true);
 class PodcastController extends Controller
 {
     public static $BASE_SQL = <<<QUERY
-SELECT `podcast`.`id`, `podcast`.`soundfilename`,
+SELECT `podcast`.`id`, `podcast`.`soundfilename`, `podcast`.`duration`,
        `podcast_meta`.`creationdt` AS `created`, `podcast_meta`.`title`, `podcast_meta`.`content`, `podcast_meta`.`program`,
        `podcast_meta`.`imagefile`, `podcast_meta`.`imagecaption`,
        `programs`.`longname` AS `program_name`, `programs`.`description` AS `program_description`
@@ -38,6 +39,15 @@ QUERY;
         return $this->getPodcastList($request, null, []);
     }
 
+    /**
+    * RSS-feed van alle podcasts
+    */
+    public function rss(Request $request) {
+        $podcasts = $this->retrievePodcasts($page = 1, $count = 20, $filter = null, $params = []);
+        $view = view('rss.podcasts')->with('podcasts', $podcasts);
+        return response($view)->header('Content-Type', 'application/xml');
+    }
+
     /**
     * Lijst van alle podcasts voor een specifiek programma
     */
@@ -103,12 +113,18 @@ QUERY;
 
     private function getPodcastList(Request $request, $filter, $params)
     {
-    $count = (int)$request->get('aantal', 15);
-    $page = (int)$request->get('pagina', 1);
+        $count = (int)$request->get('aantal', 15);
+        $page = (int)$request->get('pagina', 1);
         if($count <= 0 || $page <= 0) {
           return abort(400);
         } 
 
+        $result = $this->retrievePodcasts($page, $count, $filter, $params);
+        return response()->json(['page' => $page, 'count' => $count, 'podcasts' => $result]);
+     }
+
+     private function retrievePodcasts($page, $count, $filter, $params) 
+     {
         $start = ($page - 1) * $count;
         $podcasts = app('db')->select(self::$BASE_SQL 
             . ($filter ? ' AND (' . $filter . ')' : '')
@@ -120,8 +136,8 @@ QUERY;
       foreach($podcasts as $podcast) {
         $result[] = new \Model\Podcast($podcast);
       }
-
-      return response()->json(['page' => $page, 'count' => $count, 'podcasts' => $result]);
+ 
+      return $result;
     }
 
     /**
diff --git a/api/resources/views/rss/podcasts.blade.php b/api/resources/views/rss/podcasts.blade.php
new file mode 100644
index 0000000..4362243
--- /dev/null
+++ b/api/resources/views/rss/podcasts.blade.php
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" 
+  xmlns:atom="http://www.w3.org/2005/Atom" 
+  xmlns:spotify="http://www.spotify.com/ns/rss"
+  xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
+
+<channel>
+<title>NH Gooi Gemist</title>
+<description>Fragmenten en interviews eerder te horen op NH Gooi Radio</description>
+<link>https://nhgooi.nl</link>
+<language>nl-nl</language>
+<itunes:author>NH Gooi Radio</itunes:author>
+<itunes:explicit>no</itunes:explicit>
+<itunes:image href="https://nhgooi.nl/images/logo.png" />
+<itunes:owner>
+  <itunes:email>info@nhgooi.nl</itunes:email>
+</itunes:owner>
+<itunes:category text="News &amp; Politics"></itunes:category>
+<spotify:countryOfOrigin>nl</spotify:countryOfOrigin><spotify:countryOfOrigin>nl</spotify:countryOfOrigin>
+
+@foreach($podcasts as $podcast)
+<item>
+    <title>{{$podcast->title}}</title>
+    <itunes:summary>{{$podcast->content}}</itunes:summary>
+    <description>{{$podcast->content}}</description>
+    <link>https://nhgooi.nl/podcast/download/{{$podcast->url}}</link>
+    <pubDate>{{$podcast->created->format('r')}}</pubDate>
+    <itunes:author>NH Gooi Radio</itunes:author>
+    <itunes:duration>{{$podcast->formatDuration()}}</itunes:duration>
+    <itunes:explicit>no</itunes:explicit>
+    <guid>https://nhgooi.nl/podcast-{{$podcast->id}}</guid>
+</item> 
+@endforeach
+   
+</channel>
+</rss>
+
diff --git a/api/routes/web.php b/api/routes/web.php
index e42302d..2f0c436 100644
--- a/api/routes/web.php
+++ b/api/routes/web.php
@@ -11,10 +11,13 @@
 |
 */
 
+
 $app->get('/', function () use ($app) {
     return redirect('docs');
 });
 
+$app->get( 'rss/podcasts', 'PodcastController@rss' );
+
 $app->get( 'menu/special', 'MenuController@special' );
 
 $app->get('nieuws/overzicht', 'NewsController@newslist' );
diff --git a/common/classes/Podcast.php b/common/classes/Podcast.php
index 65ea695..d5772f0 100644
--- a/common/classes/Podcast.php
+++ b/common/classes/Podcast.php
@@ -14,6 +14,7 @@ class Podcast extends Model {
   public $url;
   public $auth;
   public $download;
+  public $duration;
   public $image;
   private $key;
 
@@ -59,6 +60,17 @@ class Podcast extends Model {
     return '/var/audio/podcast/' . $this->soundfilename; 
   }
 
+  public function formatDuration() {
+    $seconds = $this->duration / 1000;
+    $milliseconds = $this->duration % 1000;
+  
+    $hours = ($seconds > 3600) ? floor($seconds / 3600) : 0;
+    $seconds %= 3600;
+    return str_pad($hours, 2, '0', STR_PAD_LEFT)
+         . gmdate(':i:s', $seconds)
+         . ($milliseconds ? ".$milliseconds" : '') ;
+  }
+
   public function excerpt() {
     $maxLength = 500;
     return '<p class="news-excerpt long">' .