feat: add copyright field for podcast / feed

lib/feeds/base.php

@@ -205,6 +205,12 @@ function override_feed_head($hook, $podcast, $feed, $format)
     add_action($hook, function () use ($podcast, $feed, $format) {
         echo PHP_EOL;
 
+        if ($podcast->copyright) {
+            $copyright = "\t".get_xml_text_node('copyright', $podcast->copyright);
+            echo apply_filters('podlove_feed_itunes_author', $copyright);
+            echo PHP_EOL;
+        }
+
         $author = "\t".get_xml_text_node('itunes:author', $podcast->author_name);
         echo apply_filters('podlove_feed_itunes_author', $author);
         echo PHP_EOL;

lib/model/podcast.php

@@ -475,3 +475,4 @@ private function fetch()
 Podcast::property('plus_enable_proxy');
 Podcast::property('funding_url');
 Podcast::property('funding_label');
+Podcast::property('copyright');

lib/settings/podcast/tab/directory.php

@@ -29,6 +29,7 @@ public function process_form()
             'complete',
             'funding_url',
             'funding_label',
+            'copyright',
         ];
 
         $settings = get_option('podlove_podcast');
@@ -122,6 +123,12 @@ public function register_page()
                 'description' => __('Label for funding/donation URL.', 'podlove-podcasting-plugin-for-wordpress'),
                 'html' => ['class' => 'regular-text'],
             ]);
+
+            $wrapper->string('copyright', [
+                'label' => __('Copyright', 'podlove-podcasting-plugin-for-wordpress'),
+                'description' => __('Copyright notice for content in the channel.', 'podlove-podcasting-plugin-for-wordpress'),
+                'html' => ['class' => 'regular-text'],
+            ]);
         });
     }
 }

readme.txt

@@ -106,6 +106,10 @@ This product includes GeoLite2 data created by MaxMind, available from http://ww
 
 == Changelog ==
 
+= 2021-04-21 =
+
+* adds copyright field in "Podcast Settings - Directory", which is apparently required by the Apple Podcast Directory since yesterday.
+
 = 2021-04-18 =
 
 * perf: remove frontend.js (inline logic to download button HTML)