Remove illuminate/collections

src/Presentation/Collection/AbstractCollection.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Presentation\Collection;
+
+use ArrayIterator;
+use Countable;
+use Iterator;
+use IteratorAggregate;
+
+abstract class AbstractCollection implements Countable, IteratorAggregate
+{
+    public function __construct(protected array $items = [])
+    {
+    }
+
+    public function count(): int
+    {
+        return count($this->items);
+    }
+
+    public function filter(callable $callback): self
+    {
+        return new static(
+            array_filter(
+                array: $this->items,
+                callback: $callback,
+            )
+        );
+    }
+
+    public function getIterator(): Iterator
+    {
+        return new ArrayIterator($this->items);
+    }
+
+    public function toArray(): array
+    {
+        return $this->items;
+    }
+}

src/Presentation/Collection/EventCollection.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Presentation\Collection;
+
+final class EventCollection extends AbstractCollection
+{
+}

src/Presentation/Collection/PresentationCollection.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Presentation\Collection;
+
+use DateTimeImmutable;
+use Sculpin\Contrib\ProxySourceCollection\ProxySourceItem;
+
+final class PresentationCollection extends AbstractCollection
+{
+    public function getAllEvents(): EventCollection
+    {
+        $events = array_reduce(
+            array: $this->items,
+            callback: function (array $events, ProxySourceItem $presentation): array {
+                $events[] = $presentation->data()->get('events');
+
+                return $events;
+            },
+            initial: [],
+        );
+
+        return new EventCollection(array_merge(...$events));
+    }
+
+    public function getPastEvents(): EventCollection
+    {
+        $today = new DateTimeImmutable('today');
+
+        return $this->getAllEvents()
+            ->filter(fn(array $event) => $event['date'] < $today->getTimestamp());
+    }
+}

src/Presentation/TwigExtension/PresentationTwigExtension.php

@@ -2,6 +2,7 @@
 
 namespace App\Presentation\TwigExtension;
 
+use App\Presentation\Collection\PresentationCollection;
 use Sculpin\Contrib\ProxySourceCollection\ProxySourceItem;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFunction;
@@ -22,17 +23,8 @@ class PresentationTwigExtension extends AbstractExtension
 
     public function getPresentationCount(array $presentations): int
     {
-        $today = (new \DateTime('today'))->getTimestamp();
+        $presentationCollection = new PresentationCollection($presentations);
 
-        return collect($presentations)
-            ->flatMap(fn (ProxySourceItem $presentation) => $presentation->data()->get('events'))
-            ->filter(
-                function (array $event) use ($today): bool {
-                    assert(array_key_exists(array: $event, key: 'date'));
-
-                    return $event['date'] < $today;
-                }
-            )
-            ->count();
+        return $presentationCollection->getPastEvents()->count();
     }
 }