|
| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace NeuronAI\Providers\ZAI\Image; |
| 6 | + |
| 7 | +use Generator; |
| 8 | +use NeuronAI\Chat\Enums\SourceType; |
| 9 | +use NeuronAI\Chat\Messages\AssistantMessage; |
| 10 | +use NeuronAI\Chat\Messages\ContentBlocks\ImageContent; |
| 11 | +use NeuronAI\Chat\Messages\ContentBlocks\TextContent; |
| 12 | +use NeuronAI\Chat\Messages\Message; |
| 13 | +use NeuronAI\Chat\Messages\Usage; |
| 14 | +use NeuronAI\Exceptions\HttpException; |
| 15 | +use NeuronAI\Exceptions\ProviderException; |
| 16 | +use NeuronAI\HttpClient\GuzzleHttpClient; |
| 17 | +use NeuronAI\HttpClient\HasHttpClient; |
| 18 | +use NeuronAI\HttpClient\HttpClientInterface; |
| 19 | +use NeuronAI\HttpClient\HttpRequest; |
| 20 | +use NeuronAI\Providers\AIProviderInterface; |
| 21 | +use NeuronAI\Providers\MessageMapperInterface; |
| 22 | +use NeuronAI\Providers\ToolMapperInterface; |
| 23 | + |
| 24 | +use function end; |
| 25 | + |
| 26 | +class ZAIImage implements AIProviderInterface |
| 27 | +{ |
| 28 | + use HasHttpClient; |
| 29 | + |
| 30 | + /** |
| 31 | + * The main URL of the provider API. |
| 32 | + */ |
| 33 | + protected string $baseUri = 'https://api.z.ai/api/paas/v4'; |
| 34 | + |
| 35 | + /** |
| 36 | + * System instructions. |
| 37 | + */ |
| 38 | + protected ?string $system = null; |
| 39 | + |
| 40 | + public function __construct( |
| 41 | + protected string $key, |
| 42 | + protected string $model, |
| 43 | + protected array $parameters = [], |
| 44 | + ?HttpClientInterface $httpClient = null |
| 45 | + ) { |
| 46 | + $this->httpClient = ($httpClient ?? new GuzzleHttpClient()) |
| 47 | + ->withBaseUri($this->baseUri) |
| 48 | + ->withHeaders([ |
| 49 | + 'Accept' => 'application/json', |
| 50 | + 'Content-Type' => 'application/json', |
| 51 | + 'Authorization' => 'Bearer ' . $this->key, |
| 52 | + ]); |
| 53 | + } |
| 54 | + |
| 55 | + public function systemPrompt(?string $prompt): AIProviderInterface |
| 56 | + { |
| 57 | + $this->system = $prompt; |
| 58 | + return $this; |
| 59 | + } |
| 60 | + |
| 61 | + /** |
| 62 | + * @throws HttpException |
| 63 | + */ |
| 64 | + public function chat(Message ...$messages): Message |
| 65 | + { |
| 66 | + $message = end($messages); |
| 67 | + |
| 68 | + if ($this->system ?? false) { |
| 69 | + $message->addContent(new TextContent($this->system)); |
| 70 | + } |
| 71 | + |
| 72 | + $body = [ |
| 73 | + 'model' => $this->model, |
| 74 | + 'prompt' => $message->getContent(), |
| 75 | + ...$this->parameters |
| 76 | + ]; |
| 77 | + |
| 78 | + $response = $this->httpClient->request( |
| 79 | + HttpRequest::post( |
| 80 | + uri: 'images/generations', |
| 81 | + body: $body |
| 82 | + ) |
| 83 | + )->json(); |
| 84 | + |
| 85 | + $result = new AssistantMessage( |
| 86 | + new ImageContent($response['data'][0]['url'], SourceType::URL) |
| 87 | + ); |
| 88 | + |
| 89 | + if ($response['usage']) { |
| 90 | + $result->setUsage( |
| 91 | + new Usage( |
| 92 | + $response['usage']['prompt_tokens'], |
| 93 | + $response['usage']['completion_tokens'] |
| 94 | + ) |
| 95 | + ); |
| 96 | + } |
| 97 | + |
| 98 | + return $result; |
| 99 | + } |
| 100 | + |
| 101 | + public function stream(Message ...$messages): Generator |
| 102 | + { |
| 103 | + throw new ProviderException('Streaming not supported for image generation. Use chat() instead.'); |
| 104 | + } |
| 105 | + |
| 106 | + public function structured(array|Message $messages, string $class, array $response_schema): Message |
| 107 | + { |
| 108 | + throw new ProviderException('Structured output not supported for image generation. Use chat() instead.'); |
| 109 | + } |
| 110 | + |
| 111 | + public function messageMapper(): MessageMapperInterface |
| 112 | + { |
| 113 | + throw new ProviderException('Messages are not supported for image generation.'); |
| 114 | + } |
| 115 | + |
| 116 | + public function toolPayloadMapper(): ToolMapperInterface |
| 117 | + { |
| 118 | + throw new ProviderException('Tools are not supported for image generation.'); |
| 119 | + } |
| 120 | + |
| 121 | + public function setTools(array $tools): AIProviderInterface |
| 122 | + { |
| 123 | + return $this; |
| 124 | + } |
| 125 | +} |
0 commit comments