Files
michaelschiemer/src/Infrastructure/AI/AiHandlerFactory.php

125 lines
4.1 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Infrastructure\AI;
use App\Domain\AI\AiModel;
use App\Domain\AI\AiProvider;
use App\Domain\AI\AiQueryHandlerInterface;
use App\Infrastructure\AI\GPT4All\Gpt4AllQueryHandler;
use App\Infrastructure\AI\Ollama\OllamaQueryHandler;
use App\Infrastructure\AI\OpenAI\OpenAiQueryHandler;
use App\Framework\HttpClient\HttpClient;
use InvalidArgumentException;
final readonly class AiHandlerFactory
{
public function __construct(
private HttpClient $httpClient,
private string $openAiApiKey = '',
private string $gpt4AllApiUrl = 'http://host.docker.internal:4891',
private string $ollamaApiUrl = 'http://host.docker.internal:11434'
) {}
public function createForModel(AiModel $model): AiQueryHandlerInterface
{
return match($model->getProvider()) {
AiProvider::OPENAI => new OpenAiQueryHandler(
$this->httpClient,
$this->openAiApiKey
),
AiProvider::GPT4ALL => new Gpt4AllQueryHandler(
$this->httpClient,
$this->gpt4AllApiUrl
),
AiProvider::OLLAMA => new OllamaQueryHandler(
$this->httpClient,
$this->ollamaApiUrl
),
default => throw new InvalidArgumentException("Unsupported AI provider: {$model->getProvider()->value}")
};
}
public function createForProvider(AiProvider $provider): AiQueryHandlerInterface
{
return match($provider) {
AiProvider::OPENAI => new OpenAiQueryHandler(
$this->httpClient,
$this->openAiApiKey
),
AiProvider::GPT4ALL => new Gpt4AllQueryHandler(
$this->httpClient,
$this->gpt4AllApiUrl
),
AiProvider::OLLAMA => new OllamaQueryHandler(
$this->httpClient,
$this->ollamaApiUrl
),
default => throw new InvalidArgumentException("Unsupported AI provider: {$provider->value}")
};
}
public function getAvailableProviders(): array
{
$providers = [];
// OpenAI ist verfügbar wenn API Key gesetzt ist
if (!empty($this->openAiApiKey)) {
$providers[] = AiProvider::OPENAI;
}
// GPT4All prüfen
$gpt4allHandler = new Gpt4AllQueryHandler($this->httpClient, $this->gpt4AllApiUrl);
if ($gpt4allHandler->isAvailable()) {
$providers[] = AiProvider::GPT4ALL;
}
// Ollama prüfen
$ollamaHandler = new OllamaQueryHandler($this->httpClient, $this->ollamaApiUrl);
if ($ollamaHandler->isAvailable()) {
$providers[] = AiProvider::OLLAMA;
}
return $providers;
}
public function getAvailableModels(): array
{
$availableProviders = $this->getAvailableProviders();
$providerSet = array_flip($availableProviders);
$availableModels = [];
foreach (AiModel::cases() as $model) {
if (isset($providerSet[$model->getProvider()->value])) {
// Für Ollama zusätzlich prüfen ob das spezifische Modell verfügbar ist
if ($model->getProvider() === AiProvider::OLLAMA) {
$ollamaHandler = new OllamaQueryHandler($this->httpClient, $this->ollamaApiUrl);
$ollamaModels = $ollamaHandler->getAvailableModels();
if (in_array($model->value, $ollamaModels, true)) {
$availableModels[] = $model;
}
} else {
$availableModels[] = $model;
}
}
}
return $availableModels;
}
public function isProviderAvailable(AiProvider $provider): bool
{
return in_array($provider, $this->getAvailableProviders(), true);
}
public function getOllamaAvailableModels(): array
{
if (!$this->isProviderAvailable(AiProvider::OLLAMA)) {
return [];
}
$ollamaHandler = new OllamaQueryHandler($this->httpClient, $this->ollamaApiUrl);
return $ollamaHandler->getAvailableModels();
}
}