feat(validity-time): add ValidityTimeResource and integrate into catalog and ticket resources

tests/Unit/Ticket/ValidityTimeResourceTest.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Tests\Unit\Ticket;
+
+use App\Domains\Ticket\Enums\ValidityTimeType;
+use App\Domains\Ticket\Models\ValidityTime;
+use App\Domains\Ticket\Resources\ValidityTimeResource;
+use Illuminate\Support\Carbon;
+use Tests\TestCase;
+
+class ValidityTimeResourceTest extends TestCase
+{
+    protected function tearDown(): void
+    {
+        Carbon::setTestNow();
+
+        parent::tearDown();
+    }
+
+    public function test_time_window_only_contains_non_null_time_fields(): void
+    {
+        Carbon::setTestNow('2026-08-20 12:00:00');
+        $resource = ValidityTimeResource::make(new ValidityTime([
+            'type' => ValidityTimeType::TimeWindow,
+            'start_time' => '11:00:00',
+            'end_time' => null,
+            'fixed_starts_at' => '2026-08-20 10:00:00',
+        ]))->resolve();
+
+        $this->assertSame('time_window', $resource['type']);
+        $this->assertTrue($resource['is_valid']);
+        $this->assertSame('11:00:00', $resource['start_time']);
+        $this->assertArrayNotHasKey('end_time', $resource);
+        $this->assertArrayNotHasKey('fixed_starts_at', $resource);
+        $this->assertArrayNotHasKey('fixed_expires_at', $resource);
+    }
+
+    public function test_fixed_window_only_contains_non_null_datetime_fields(): void
+    {
+        Carbon::setTestNow('2026-08-20 11:00:00');
+        $resource = ValidityTimeResource::make(new ValidityTime([
+            'type' => ValidityTimeType::FixedWindow,
+            'start_time' => '11:00:00',
+            'fixed_starts_at' => '2026-08-20 10:00:00',
+            'fixed_expires_at' => null,
+        ]))->resolve();
+
+        $this->assertSame('fixed_window', $resource['type']);
+        $this->assertTrue($resource['is_valid']);
+        $this->assertArrayHasKey('fixed_starts_at', $resource);
+        $this->assertArrayNotHasKey('fixed_expires_at', $resource);
+        $this->assertArrayNotHasKey('start_time', $resource);
+        $this->assertArrayNotHasKey('end_time', $resource);
+    }
+}