33e53f5bca
- Introduced a new `regenerate_image` boolean parameter in the PostImageRegenerator schema to control background image regeneration. - Updated relevant methods in RegeneratePostMediaImage and TemplateImageGenerator to utilize the new parameter for reusing existing backgrounds when appropriate. - Enhanced documentation and comments to clarify the usage of the `regenerate_image` option. - Added tests to ensure correct behavior when reusing background images.
114 lines
4.2 KiB
PHP
114 lines
4.2 KiB
PHP
<?php
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declare(strict_types=1);
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use App\Models\SocialAccount;
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use App\Models\Workspace;
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use App\Services\Ai\AiImageClient;
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use App\Services\Image\BrandColorMapper;
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use App\Services\Image\TemplateImageGenerator;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Storage;
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use Laravel\Ai\Image;
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$minimalPng = fn () => base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==');
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beforeEach(function () {
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Storage::fake();
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Cache::flush();
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Image::fake();
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});
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test('returns null when AI client cannot generate (no keywords)', function () {
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$service = new TemplateImageGenerator(new BrandColorMapper, new AiImageClient);
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$result = $service->render(
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workspace: Workspace::factory()->make(),
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socialAccount: SocialAccount::factory()->make(['username' => 'testuser', 'display_name' => 'Test User']),
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title: 'Hello',
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body: 'World',
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imageKeywords: [],
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);
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expect($result)->toBeNull();
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Image::assertNothingGenerated();
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});
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test('returns null when AI generation throws', function () {
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Image::fake(fn () => throw new RuntimeException('upstream outage'));
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$service = new TemplateImageGenerator(new BrandColorMapper, new AiImageClient);
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$result = $service->render(
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workspace: Workspace::factory()->make(),
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socialAccount: SocialAccount::factory()->make(),
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title: 'Hello',
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body: 'World',
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imageKeywords: ['kitchen'],
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);
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expect($result)->toBeNull();
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});
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test('renders a slide and stores webp when AI returns bytes', function () use ($minimalPng) {
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Image::fake([base64_encode($minimalPng())]);
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if (! file_exists(base_path('resources/fonts/Inter-Bold.ttf'))) {
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$this->markTestSkipped('Inter fonts not available — skipping render-dependent test.');
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}
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$service = new TemplateImageGenerator(new BrandColorMapper, new AiImageClient);
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$result = $service->render(
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workspace: Workspace::factory()->make([
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'image_style' => 'illustration',
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'brand_color' => '#0000ff',
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'background_color' => '#ffffff',
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'text_color' => '#000000',
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]),
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socialAccount: SocialAccount::factory()->make([
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'username' => 'testuser',
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'display_name' => 'Test User',
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]),
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title: 'Hello World',
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body: 'This is a test slide body.',
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imageKeywords: ['kitchen', 'morning'],
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);
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if ($result !== null) {
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expect($result['path'])->toStartWith('ai-images/')->toEndWith('.webp');
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expect($result['source_meta'])
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->toHaveKey('keywords')
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->toHaveKey('style', 'illustration')
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->toHaveKey('model', 'gpt-image-2')
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->toHaveKey('title', 'Hello World')
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->toHaveKey('brand_color', '#0000ff')
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->toHaveKey('background_color', '#ffffff')
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->toHaveKey('text_color', '#000000')
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->toHaveKey('background_path');
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}
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Image::assertGenerated(fn ($prompt) => $prompt->contains('kitchen')
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&& $prompt->contains('BRAND COLOR PALETTE')
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&& $prompt->contains('blue'));
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})->skip(fn () => ! extension_loaded('gd'), 'GD extension required');
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test('reuses existing background path when provided', function () use ($minimalPng) {
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if (! file_exists(base_path('resources/fonts/Inter-Bold.ttf'))) {
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$this->markTestSkipped('Inter fonts not available — skipping render-dependent test.');
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}
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$backgroundPath = 'ai-images/reuse-bg.webp';
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Storage::put($backgroundPath, $minimalPng());
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$service = new TemplateImageGenerator(new BrandColorMapper, new AiImageClient);
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$result = $service->render(
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workspace: Workspace::factory()->make(),
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socialAccount: SocialAccount::factory()->make(['username' => 'testuser', 'display_name' => 'Test User']),
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title: 'Updated title',
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body: 'Updated body',
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imageKeywords: [],
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backgroundPath: $backgroundPath,
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);
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expect($result)->not->toBeNull();
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expect(data_get($result, 'source_meta.background_path'))->toBe($backgroundPath);
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Image::assertNothingGenerated();
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})->skip(fn () => ! extension_loaded('gd'), 'GD extension required');
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