5f7768ca3a
Critical fixes:
- Quota enforcement regressed when the regex flow was replaced with
tools. The LLM was trusted to respect [Session state] quota hints,
which is vulnerable to prompt injection / hallucination. Each tool
now checks Pennant feature limits at the top of handle() and returns
a short quota-exhausted string instead of calling the provider.
Audio shares the video quota (there is no AiAudioLimit by design).
- N+1 on aiMessages: combined the two separate ->get() scans that
produced imagesInThread and videosInThread into a single query.
- postPlatforms lazy load: controller now loadMissing('postPlatforms')
before constructing SocialMediaAssistant, which accesses the relation
in activePlatformRules().
Project conventions:
- \RuntimeException and \Throwable are now imported at the top of the
controller instead of inlined per CLAUDE.md.
- Tool handle() methods use data_get($request, 'prompt') instead of
direct array access, matching the data_get convention for service
classes.
- enrichContent() pluralizes attachment types via Str::plural so
'2 images' reads naturally instead of '2 image'.
Tests:
- Added Storage::fake('public') in tool tests so runs don't pollute
the local disk with fake-generated files.
- Restored quota enforcement coverage (deleted when the flow changed)
as three new tests — one per tool — that fill the monthly bucket
and assert the tool refuses and nothing is generated.
- Removed inline \App\ references in tests in favor of imports.
103 lines
3.4 KiB
PHP
103 lines
3.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Ai\Tools;
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use App\Enums\Ai\UsageType;
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use App\Features\AiVideosLimit;
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use App\Models\AiUsageLog;
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use App\Models\Post;
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use App\Models\Workspace;
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use Illuminate\Contracts\JsonSchema\JsonSchema;
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use Illuminate\Support\Facades\Storage;
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use Illuminate\Support\Str;
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use Laravel\Ai\Audio;
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use Laravel\Ai\Contracts\Tool;
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use Laravel\Ai\Tools\Request;
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use Laravel\Pennant\Feature;
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use Stringable;
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class GenerateAudio implements Tool
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{
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public function __construct(
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public Workspace $workspace,
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public ?Post $post = null,
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public ?string $userId = null,
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public ?AttachmentCollector $collector = null,
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) {
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$this->collector ??= app(AttachmentCollector::class);
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}
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public function description(): Stringable|string
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{
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return <<<'TXT'
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Generate an AI voiceover or narration audio from text.
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Call this when the user asks for a voiceover, narration, TTS, podcast clip,
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or any voice content. The output language will match the language of the
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input text — so pass the text in the target language.
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Audio is generated via ElevenLabs with the configured default voice.
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TXT;
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}
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public function handle(Request $request): Stringable|string
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{
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// Audio generation counts against the monthly video quota by design.
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$limit = (int) Feature::for($this->workspace->account)->value(AiVideosLimit::class);
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$used = AiUsageLog::monthlyCount($this->workspace->account_id, UsageType::Video)
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+ AiUsageLog::monthlyCount($this->workspace->account_id, UsageType::Audio);
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if ($used >= $limit) {
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return "Audio and video share a monthly quota that is exhausted ({$used} of {$limit} used). Ask the user to upgrade their plan or wait until next month.";
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}
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$text = (string) data_get($request, 'text', '');
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$voice = config('services.elevenlabs.default_voice', 'EXAVITQu4vr4xnSDxMaL');
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$response = Audio::of($text)->voice($voice)->generate();
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$storedPath = $response->store('medias', 'public');
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$media = $this->workspace->media()->create([
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'group_id' => Str::uuid()->toString(),
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'collection' => 'assets',
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'type' => 'video',
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'path' => $storedPath,
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'original_filename' => 'ai-generated.mp3',
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'mime_type' => 'audio/mpeg',
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'size' => Storage::disk('public')->size($storedPath),
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'order' => 0,
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'meta' => ['ai_generated' => true, 'text' => Str::limit($text, 200)],
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]);
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AiUsageLog::create([
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'account_id' => $this->workspace->account_id,
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'workspace_id' => $this->workspace->id,
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'user_id' => $this->userId,
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'post_id' => $this->post?->id,
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'type' => UsageType::Audio,
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'provider' => 'elevenlabs',
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]);
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$this->collector->push([
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'id' => $media->id,
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'path' => $media->path,
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'url' => $media->url,
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'mime_type' => 'audio/mpeg',
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'type' => 'audio',
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]);
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return "Generated audio (id: {$media->id}) and attached it to the post.";
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}
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public function schema(JsonSchema $schema): array
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{
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return [
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'text' => $schema->string()
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->description('The text to convert into speech. Write it in the target language — the output voice language will match.')
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->required(),
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];
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}
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}
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