Group talk classes into a modules directory

modules/Talk/Tests/TwigExtension/TalkTwigExtensionTest.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace Modules\Talk\Tests\TwigExtension;
+
+use Dflydev\DotAccessConfiguration\Configuration;
+use Modules\Talk\TwigExtension\TalkTwigExtension;
+use PHPUnit\Framework\TestCase;
+use Sculpin\Contrib\ProxySourceCollection\ProxySourceItem;
+
+class TalkTwigExtensionTest extends TestCase
+{
+    private TalkTwigExtension $extension;
+
+    public function setUp(): void
+    {
+        $this->extension = new TalkTwigExtension();
+    }
+
+    public function testNoPastEvents(): void
+    {
+        $talk = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('+1 days'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 0, talks: [$talk]);
+    }
+
+    public function testSinglePastEvent(): void
+    {
+        $talkA = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('+1 days'))->getTimestamp()],
+            ],
+        );
+
+        $talkB = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('-3 days'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 1, talks: [$talkA, $talkB]);
+    }
+
+    public function testSingleTalkWithMultiplePastEvents(): void
+    {
+        $talk = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('-1 days'))->getTimestamp()],
+                ['date' => (new \DateTime('-1 week'))->getTimestamp()],
+                ['date' => (new \DateTime('-1 year'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 3, talks: [$talk]);
+    }
+
+    public function testSingleTalkWithMultiplePastAndFutureEvents(): void
+    {
+        $talk = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('+1 day'))->getTimestamp()],
+                ['date' => (new \DateTime('-1 day'))->getTimestamp()],
+                ['date' => (new \DateTime('-1 week'))->getTimestamp()],
+                ['date' => (new \DateTime('+1 year'))->getTimestamp()],
+                ['date' => (new \DateTime('-1 year'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 3, talks: [$talk]);
+    }
+
+    public function testMultiplePastEvents(): void
+    {
+        $talkA = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('-1 days'))->getTimestamp()],
+                ['date' => (new \DateTime('+1 days'))->getTimestamp()],
+            ],
+        );
+
+        $talkB = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('-3 days'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 2, talks: [$talkA, $talkB]);
+    }
+
+    public function testTheCurrentDayIsNotCounted(): void
+    {
+        $talkA = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('yesterday'))->getTimestamp()],
+                ['date' => (new \DateTime('today'))->getTimestamp()],
+            ],
+        );
+
+        $talkB = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('today'))->getTimestamp()],
+            ],
+        );
+
+        $talkC = $this->createTalk(
+            events: [
+                ['date' => (new \DateTime('yesterday'))->getTimestamp()],
+            ],
+        );
+
+        $this->assertTalkCount(expectedCount: 2, talks: [$talkA, $talkB, $talkC]);
+    }
+
+    /**
+     * Assert the extension uses the correct number of talks.
+     */
+    private function assertTalkCount(int $expectedCount, array $talks): void
+    {
+        self::assertSame(
+            actual: $this->extension->getPastTalkCount($talks),
+            expected: $expectedCount,
+        );
+    }
+
+    /**
+     * Create a mock talk with a list of events.
+     */
+    private function createTalk(array $events): ProxySourceItem
+    {
+        $configuration = $this->createMock(Configuration::class);
+        $configuration->method('get')->with($this->identicalTo('events'))->willReturn($events);
+
+        $talk = $this->createMock(ProxySourceItem::class);
+        $talk->method('data')->willReturn($configuration);
+
+        return $talk;
+    }
+}

modules/Talk/TwigExtension/TalkTwigExtension.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Modules\Talk\TwigExtension;
+
+use Sculpin\Contrib\ProxySourceCollection\ProxySourceItem;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class TalkTwigExtension extends AbstractExtension
+{
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('get_past_talk_count', [$this, 'getPastTalkCount']),
+            new TwigFunction('get_years_of_experience', [$this, 'getYearsOfExperience']),
+        ];
+    }
+
+    public function getName(): string
+    {
+        return 'app.opdavies_twig_extension';
+    }
+
+    public function getPastTalkCount(array $talks): int
+    {
+        $today = (new \DateTime('today'))->getTimestamp();
+
+        return collect($talks)
+            ->flatMap(fn (ProxySourceItem $talk) => $talk->data()->get('events'))
+            ->filter(
+                function (array $event) use ($today): bool {
+                    assert(array_key_exists(array: $event, key: 'date'));
+
+                    return $event['date'] < $today;
+                }
+            )
+            ->count();
+    }
+
+    public function getYearsOfExperience(): int
+    {
+        return (new \DateTimeImmutable())->format('Y') - 2007;
+    }
+}