do not add subscriptions that have no url (i.e. antennapod local folder subscriptions)

CHANGELOG.md

@@ -1,4 +1,9 @@
 # Changelog
+
+## upcoming
+### Changed
+- Ignore subscriptions that have no url
+
 ## 3.1.0 - 2021-10-18
 ### Changed
 - Add timestamp to subscription change response @JonOfUs

lib/Core/SubscriptionChange/SubscriptionChangesReader.php

@@ -13,6 +13,7 @@ class SubscriptionChangesReader {
 	 */
 	public static function mapToSubscriptionsChanges(array $urls, bool $subscribed): array {
 		$subscriptionChanges = [];
+        $urls = array_filter($urls, function(string $url) {return filter_var($url, FILTER_VALIDATE_URL) !== false; });
 		foreach ($urls as $url) {
 			$subscriptionChanges[] = new SubscriptionChange($url, $subscribed);
 		}

tests/Unit/Core/SubscriptionChange/SubscriptionChangeReaderTest.php

@@ -14,4 +14,14 @@ class SubscriptionChangeReaderTest extends TestCase {
 		$this->assertSame("https://feeds.megaphone.fm/another", $subscriptionChange[1]->getUrl());
 	}
 
+
+    public function testNonUrisAreOmmited(): void {
+        $subscriptionChange = SubscriptionChangesReader::mapToSubscriptionsChanges([
+                "https://feeds.megaphone.fm/HSW8286374095",
+                "antennapod_local:content://com.android.externalstorage.documents/tree/home:podcast"
+            ], true);
+        $this->assertCount(1, $subscriptionChange);
+        $this->assertSame("https://feeds.megaphone.fm/HSW8286374095", $subscriptionChange[0]->getUrl());
+    }
+
 }