Get all events

src/Talks/src/TwigExtension/TalksExtension.php

@@ -30,13 +30,13 @@ class TalksExtension extends AbstractExtension
     {
         return [
             new TwigFunction('getTalks', [$this, 'getTalks']),
+            new TwigFunction('getEvents', [$this, 'getEvents']),
         ];
     }
 
     public function getFilters()
     {
         return [
-            new TwigFilter('events', [$this, 'getEvents']),
             new TwigFilter('past', [$this, 'filterPast']),
             new TwigFilter('upcoming', [$this, 'filterUpcoming']),
         ];
@@ -65,9 +65,9 @@ class TalksExtension extends AbstractExtension
     }
 
 
-    public function getEvents(Collection $talks): Collection
+    public function getEvents($talks): Collection
     {
-        return $talks->flatMap(function ($talk): array {
+        return collect($talks)->flatMap(function ($talk): array {
             return $talk['events'];
         });
     }

src/Talks/tests/RetrievingEventsTest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Tests\Talks;
+
+use App\Talks\TwigExtension\TalksExtension;
+use DateTime;
+use PHPUnit\Framework\TestCase;
+use Tightenco\Collect\Support\Collection;
+
+class RetrievingEventsTest extends TestCase
+{
+    /**
+     * @var TalksExtension
+     */
+    private $extension;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setUp()
+    {
+        $this->extension = new TalksExtension();
+    }
+
+    /** @test */
+    public function getting_all_events()
+    {
+        $talkA = [
+            'title' => 'Talk A',
+            'events' => [
+                [
+                    'event' => 'event_a',
+                    'date' => (new DateTime('-1 days'))->getTimestamp()
+                ],
+                [
+                    'event' => 'event_b',
+                    'date' => (new DateTime('+1 days'))->getTimestamp()
+                ],
+            ],
+        ];
+
+        $talkB = [
+            'title' => 'Talk B',
+            'events' => [
+                [
+                    'event' => 'event_a',
+                    'date' => (new DateTime('-3 days'))->getTimestamp()
+                ],
+            ],
+        ];
+
+        $this->assertCount(3, $this->extension->getEvents([$talkA, $talkB]));
+    }
+}