From 3ea01ec8112cf4f899994b6d81a23bffe75d5b92 Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Wed, 25 Aug 2021 01:40:42 +0100
Subject: [PATCH] Ensure a talk has a title

---
 src/TwigExtension/TalkExtension.php | 13 ++++++++++++-
 tests/TalkExtensionTest.php         |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/TwigExtension/TalkExtension.php b/src/TwigExtension/TalkExtension.php
index aef6094eb..e02bb062b 100644
--- a/src/TwigExtension/TalkExtension.php
+++ b/src/TwigExtension/TalkExtension.php
@@ -7,6 +7,7 @@ namespace App\TwigExtension;
 use Illuminate\Support\Collection;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFunction;
+use Webmozart\Assert\Assert;
 
 final class TalkExtension extends AbstractExtension
 {
@@ -27,6 +28,16 @@ final class TalkExtension extends AbstractExtension
         $talkCollection = new Collection($talks);
 
         return $talkCollection
-            ->flatMap(fn($talk): array => (array) $talk['events']);
+            ->map(fn($talk): array => (array) $talk['events'])
+            ->filter(function (array $event): bool {
+                try {
+                    Assert::keyExists($event, 'title');
+
+                    return true;
+                }
+                catch (\RuntimeException $e) {
+                    return false;
+                }
+            });
     }
 }
diff --git a/tests/TalkExtensionTest.php b/tests/TalkExtensionTest.php
index 7b1bc4c51..faa0ecf4b 100644
--- a/tests/TalkExtensionTest.php
+++ b/tests/TalkExtensionTest.php
@@ -27,7 +27,7 @@ final class TalkExtensionTest extends TestCase
             [
                 'title' => 'Building static sites with Sculpin',
                 'events' => [
-                    '',
+                    'title' => 'Building static websites with Sculpin',
                 ]
             ],
         ];