Fixed Schedule XML parser to support minimum import

src/Helpers/Schedule/XmlParser.php

@@ -34,6 +34,8 @@ class XmlParser
 
     /**
      * Parse the predefined XML content
+     *
+     * According to https://github.com/voc/voctosched/blob/master/schema/basic.xsd
      */
     protected function parseXml(): void
     {
@@ -93,9 +95,9 @@ class XmlParser
             $attachments = $this->getListFromSequence($event, 'attachments', 'attachment', 'href');
 
             $recording = '';
-            $recordingElement = $event->xpath('recording')[0];
+            $recordingElement = $event->xpath('recording');
-            if ($this->getFirstXpathContent('optout', $recordingElement) == 'false') {
+            if ($recordingElement && $this->getFirstXpathContent('optout', $recordingElement[0]) == 'false') {
-                $recording = $this->getFirstXpathContent('license', $recordingElement);
+                $recording = $this->getFirstXpathContent('license', $recordingElement[0]);
             }
 
             $events[] = new Event(
@@ -155,9 +157,11 @@ class XmlParser
     ): array {
         $items = [];
 
-        foreach ($element->xpath($firstElement)[0]->xpath($secondElement) as $item) {
+        foreach ($element->xpath($firstElement) as $element) {
+            foreach ($element->xpath($secondElement) as $item) {
                 $items[(string)$item->attributes()[$idAttribute]] = (string)$item;
             }
+        }
 
         return $items;
     }

tests/Unit/Helpers/Schedule/Assets/schedule-basic.xml

@@ -0,0 +1,47 @@
+<?xml version='1.0' encoding='utf-8' ?>
+<schedule
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/voc/voctosched/master/schema/basic.xsd"
+>
+    <version>dolor</version>
+    <conference>
+        <title>Basic Test Event</title>
+        <acronym>Test2</acronym>
+        <start>2042-01-03</start>
+        <end>2042-01-03</end>
+        <days>1</days>
+        <timeslot_duration>00:30</timeslot_duration>
+    </conference>
+    <day index='1' date='2042-01-03' start='2042-01-03T01:00:00+02:00' end='2042-01-03T22:59:00+02:00'>
+        <room name='Some Room'>
+            <event guid='7b1327a5-049b-4411-8421-163743755933' id='1234'>
+                <date>2042-01-03T14:15:00+02:00</date>
+                <title>Lorem Ipsum</title>
+                <subtitle>Some sub</subtitle>
+                <start>14:15</start>
+                <duration>00:45</duration>
+                <room>Some Room</room>
+                <slug>lorem/ipsum</slug>
+                <recording>
+                    <license>WTFPL</license>
+                    <optout>true</optout>
+                </recording>
+                <track>Tests</track>
+                <type>Talk</type>
+                <language>en</language>
+                <abstract>45 minutes of awesome lorem ipsum</abstract>
+                <description>Be prepared for the best lorem ipsum of the entire day!</description>
+                <logo>https://lorem.ipsum/foo/bar.png</logo>
+                <persons>
+                    <person id='42'>Some Person</person>
+                </persons>
+                <links>
+                    <link href="https://foo.bar">Some Foo Bar</link>
+                </links>
+                <attachments>
+                    <attachment href="https://foo.bar/stuff.pdf">A PDF File</attachment>
+                </attachments>
+            </event>
+        </room>
+    </day>
+</schedule>

tests/Unit/Helpers/Schedule/Assets/schedule-extended.xml

@@ -1,9 +1,12 @@
 <?xml version='1.0' encoding='utf-8' ?>
-<schedule>
+<schedule
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/voc/voctosched/master/schema/extended.xsd"
+>
     <version>Some version string</version>
     <conference>
         <title>Test Event</title>
-        <acronym>Test1</acronym>
+        <acronym>Test3</acronym>
         <start>2042-01-01</start>
         <end>2042-01-01</end>
         <days>1</days>
@@ -24,6 +27,7 @@
                     <license>WTFPL</license>
                     <optout>false</optout>
                 </recording>
+                <video_download_url>https://foo.bar/baz/schedule/ipsum/recording.mp4</video_download_url>
                 <track>Testing</track>
                 <type>Talk</type>
                 <language>de</language>

tests/Unit/Helpers/Schedule/Assets/schedule-minimal.xml

@@ -0,0 +1,27 @@
+<schedule>
+    <version>0.0.1</version>
+    <conference>
+        <title>Some Test Event</title>
+        <acronym>Test1</acronym>
+    </conference>
+    <day index='1' date='2042-01-02' start='2042-01-02T00:00:00+00:00' end='2042-01-02T22:59:00+00:00'>
+        <room name='Random Room'>
+            <event guid='023eb047-5a42-41e0-b1ec-e9fab19b2987' id='42'>
+                <date>2042-01-02T13:30:00+00:00</date>
+                <title>Minimum Setup Test</title>
+                <subtitle>With a subtitle</subtitle>
+                <start>13:30</start>
+                <duration>00:30</duration>
+                <room>Rooming</room>
+                <slug>minimum-setup-test</slug>
+                <track>Testing</track>
+                <type>Talk</type>
+                <abstract>A minimal description</abstract>
+            </event>
+        </room>
+        <room name='Another Room'>
+        </room>
+    </day>
+    <day index='2' date='2042-01-03' start='2042-01-03T00:00:00+00:00' end='2042-01-03T22:59:00+00:00'>
+    </day>
+</schedule>

tests/Unit/Helpers/Schedule/XmlParserTest.php

@@ -24,8 +24,15 @@ class XmlParserTest extends TestCase
         libxml_use_internal_errors(true);
 
         $parser = new XmlParser();
+
+        // Invalid XML
         $this->assertFalse($parser->load('foo'));
-        $this->assertTrue($parser->load(file_get_contents(__DIR__ . '/Assets/schedule.xml')));
+        // Minimal import
+        $this->assertTrue($parser->load(file_get_contents(__DIR__ . '/Assets/schedule-minimal.xml')));
+        // Basic import
+        $this->assertTrue($parser->load(file_get_contents(__DIR__ . '/Assets/schedule-basic.xml')));
+        // Extended import
+        $this->assertTrue($parser->load(file_get_contents(__DIR__ . '/Assets/schedule-extended.xml')));
 
         $schedule = $parser->getSchedule();
         $this->assertEquals('Some version string', $schedule->getVersion());
@@ -50,5 +57,6 @@ class XmlParserTest extends TestCase
         $this->assertEquals('de', $event->getLanguage());
         $this->assertEquals('12:30', $event->getStart());
         $this->assertEquals([1234 => 'Some Person'], $event->getPersons());
+        $this->assertEquals('https://foo.bar/baz/schedule/ipsum/recording.mp4', $event->getVideoDownloadUrl());
     }
 }