AiProviderDriver: one generic interface (generate(prompt, options) ->
AiGenerationResult) rather than per-capability interfaces, since text
(OpenAI chat completions), image (StabilityAI stable-image), and
speech (ElevenLabs TTS) generation all reduce to prompt-in/content-out.
Drivers throw AiGenerationException on failure; AiProviderManager
resolves the right driver from an AiProvider record's `provider`
column and guards on is_active. Real request/response shapes per each
provider's API, verified with Http::fake() — no live API keys
available yet to smoke test against the real services.
AssetStorage: stores generated content under
video-projects/{id}/{type}/v{n}.{ext}, versioned per (project, type[,
step]) slot so retries don't clobber earlier output, plus
contents/url/delete and pruneOldVersions for cleanup.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
44 lines
1.5 KiB
PHP
44 lines
1.5 KiB
PHP
<?php
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namespace App\Support\AiProviders;
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use App\Models\AiProvider;
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use Illuminate\Http\Client\ConnectionException;
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use Illuminate\Support\Facades\Http;
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/**
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* Text generation via OpenAI's Chat Completions API. Used for scripts,
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* metadata (titles/descriptions/tags), and similar text content.
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*/
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class OpenAiDriver implements AiProviderDriver
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{
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public function generate(AiProvider $provider, string $prompt, array $options = []): AiGenerationResult
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{
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$model = $options['model'] ?? $provider->config['model'] ?? 'gpt-4o-mini';
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try {
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$response = Http::withToken($provider->api_key)
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->post('https://api.openai.com/v1/chat/completions', [
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'model' => $model,
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'messages' => [
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['role' => 'user', 'content' => $prompt],
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],
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]);
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} catch (ConnectionException $e) {
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throw new AiGenerationException("could not connect to OpenAI: {$e->getMessage()}");
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}
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if ($response->failed()) {
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throw new AiGenerationException($response->json('error.message') ?? 'unexpected response from OpenAI');
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}
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$content = $response->json('choices.0.message.content');
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if (! $content) {
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throw new AiGenerationException('unexpected response from OpenAI: missing message content');
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}
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return new AiGenerationResult($content, 'text/plain', $response->json());
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}
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}
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