feat: add openai, xai, perplexity and fix tests

.env.example

@@ -0,0 +1,5 @@
+LLM_KEY_ANTHROPIC=sk-ant-1234567890
+LLM_KEY_OPENAI=sk-proj-1234567890
+LLM_KEY_DEEPSEEK=sk-1234567890
+LLM_KEY_XAI=xai-1234567890
+LLM_KEY_PERPLEXITY=pplx-1234567890

.github/workflows/tests.yml

@@ -15,6 +15,12 @@ jobs:
       - run: git checkout HEAD^2
 
       - name: Build
+        env:
+          LLM_KEY_ANTHROPIC: ${{ secrets.LLM_KEY_ANTHROPIC }}
+          LLM_KEY_OPENAI: ${{ secrets.LLM_KEY_OPENAI }}
+          LLM_KEY_DEEPSEEK: ${{ secrets.LLM_KEY_DEEPSEEK }}
+          LLM_KEY_XAI: ${{ secrets.LLM_KEY_XAI }}
+          LLM_KEY_PERPLEXITY: ${{ secrets.LLM_KEY_PERPLEXITY }}
         run: |
           docker compose build
           docker compose up -d

Dockerfile

@@ -1,4 +1,4 @@
-FROM composer:2.0 as composer
+FROM composer:2.0 AS composer
 
 ARG TESTING=false
 ENV TESTING=$TESTING
@@ -14,7 +14,7 @@ RUN composer update \
     --no-scripts \
     --prefer-dist
 
-FROM php:8.0-cli-alpine as final
+FROM php:8.3-cli-alpine AS final
 
 LABEL maintainer="team@appwrite.io"
 

README.md

@@ -21,10 +21,10 @@ Utopia Framework requires PHP 8.0 or later. We recommend using the latest PHP ve
 
 ## Features
 
-- **Multiple AI Providers** - Support for OpenAI, Anthropic, and Deepseek APIs
+- **Multiple AI Providers** - Support for OpenAI, Anthropic, Deepseek, Perplexity, and XAI APIs
 - **Flexible Message Types** - Support for text and structured content in messages
 - **Conversation Management** - Easy-to-use conversation handling between agents and users
-- **Model Selection** - Choose from various AI models (GPT-4, Claude 3, Deepseek Chat, etc.)
+- **Model Selection** - Choose from various AI models (GPT-4, Claude 3, Deepseek Chat, Sonar, Grok, etc.)
 - **Parameter Control** - Fine-tune model behavior with temperature and token controls
 
 ## Usage
@@ -110,6 +110,43 @@ Available Deepseek Models:
 - `MODEL_DEEPSEEK_CHAT`: General-purpose chat model
 - `MODEL_DEEPSEEK_CODER`: Specialized for code-related tasks
 
+#### Perplexity
+
+```php
+use Utopia\Agents\Adapters\Perplexity;
+
+$perplexity = new Perplexity(
+    apiKey: 'your-api-key',
+    model: Perplexity::MODEL_SONAR,
+    maxTokens: 2048,
+    temperature: 0.7
+);
+```
+
+Available Perplexity Models:
+- `MODEL_SONAR`: General-purpose search model
+- `MODEL_SONAR_PRO`: Enhanced search model
+- `MODEL_SONAR_DEEP_RESEARCH`: Advanced search model
+- `MODEL_SONAR_REASONING`: Reasoning model
+- `MODEL_SONAR_REASONING_PRO`: Enhanced reasoning model
+
+#### XAI
+
+```php
+use Utopia\Agents\Adapters\XAI;
+
+$xai = new XAI(
+    apiKey: 'your-api-key',
+    model: XAI::MODEL_GROK_2_LATEST,
+    maxTokens: 2048,
+    temperature: 0.7
+);
+```
+
+Available XAI Models:
+- `MODEL_GROK_2_LATEST`: Latest Grok model
+- `MODEL_GROK_2_IMAGE`: Latest Grok model with image support
+
 ### Managing Conversations
 
 ```php

docker-compose.yml

@@ -10,8 +10,13 @@ services:
       - ./phpunit.xml:/usr/src/code/phpunit.xml
     environment:
       - TESTING=true
+      - LLM_KEY_ANTHROPIC=${LLM_KEY_ANTHROPIC}
+      - LLM_KEY_OPENAI=${LLM_KEY_OPENAI}
+      - LLM_KEY_DEEPSEEK=${LLM_KEY_DEEPSEEK}
+      - LLM_KEY_XAI=${LLM_KEY_XAI}
+      - LLM_KEY_PERPLEXITY=${LLM_KEY_PERPLEXITY}
     networks:
       - utopia
 
 networks:
-  utopia: 
+  utopia:

src/Agents/Adapter.php

@@ -90,7 +90,6 @@ public function setAgent(Agent $agent): self
         return $this;
     }
 
-
     /**
      * Get input tokens count
      *

src/Agents/Adapters/Anthropic.php

@@ -3,7 +3,6 @@
 namespace Utopia\Agents\Adapters;
 
 use Utopia\Agents\Adapter;
-use Utopia\Agents\Conversation;
 use Utopia\Agents\Message;
 use Utopia\Agents\Messages\Text;
 use Utopia\Fetch\Chunk;
@@ -88,38 +87,41 @@ public function send(array $messages, ?callable $listener = null): Message
             throw new \Exception('Agent not set');
         }
 
-        $client = new \Utopia\Fetch\Client();
+        $client = new Client();
         $client
             ->setTimeout(90)
             ->addHeader('x-api-key', $this->apiKey)
             ->addHeader('anthropic-version', '2023-06-01')
-            ->addHeader('content-type', 'application/json');
+            ->addHeader('content-type', Client::CONTENT_TYPE_APPLICATION_JSON);
 
+        $formattedMessages = [];
         foreach ($messages as $message) {
-            $messages[] = [
-                'role' => $message['role'],
-                'content' => $message['content'],
+            $formattedMessages[] = [
+                'role' => $message->getRole(),
+                'content' => $message->getContent(),
             ];
         }
 
         $instructions = [];
         foreach ($this->getAgent()->getInstructions() as $name => $content) {
-            $instructions[] = "# " . $name . "\n\n" . $content;
+            $instructions[] = '# '.$name."\n\n".$content;
         }
 
+        $payload = [
+            'model' => $this->model,
+            'system' => $this->getAgent()->getDescription().
+                (empty($instructions) ? '' : "\n\n".implode("\n\n", $instructions)),
+            'messages' => $formattedMessages,
+            'max_tokens' => $this->maxTokens,
+            'temperature' => $this->temperature,
+            'stream' => true,
+        ];
+
         $content = '';
         $response = $client->fetch(
             'https://api.anthropic.com/v1/messages',
             Client::METHOD_POST,
-            [
-                'model' => $this->model,
-                'system' => $this->getAgent()->getDescription() . 
-                    (empty($instructions) ? '' : "\n\n" . implode("\n\n", $instructions)),
-                'messages' => $messages,
-                'max_tokens' => $this->maxTokens,
-                'temperature' => $this->temperature,
-                'stream' => true,
-            ],
+            $payload,
             [],
             function ($chunk) use (&$content, $listener) {
                 $content .= $this->process($chunk, $listener);
@@ -130,16 +132,13 @@ function ($chunk) use (&$content, $listener) {
             throw new \Exception('Anthropic API error ('.$response->getStatusCode().'): '.$response->getBody());
         }
 
-        $message = new Text($content);
-
-        return $message;
+        return new Text($content);
     }
 
     /**
      * Process a stream chunk from the Anthropic API
      *
      * @param  \Utopia\Fetch\Chunk  $chunk
-     * @param  Conversation  $conversation
      * @param  callable|null  $listener
      * @return string
      *
@@ -152,7 +151,6 @@ protected function process(Chunk $chunk, ?callable $listener): string
         $lines = explode("\n", $data);
 
         foreach ($lines as $line) {
-
             if (empty(trim($line))) {
                 continue;
             }
@@ -199,7 +197,7 @@ protected function process(Chunk $chunk, ?callable $listener): string
                         $block = $json['delta']['text'];
                     }
 
-                    if (!empty($block)) {
+                    if (! empty($block)) {
                         if ($listener !== null) {
                             $listener($block);
                         }

src/Agents/Adapters/Deepseek.php

@@ -65,7 +65,7 @@ public function __construct(
     /**
      * Send a message to the Deepseek API
      *
-     * @param  array<array<string, mixed>>  $messages
+     * @param  array<Message>  $messages
      * @param  callable|null  $listener
      * @return Message
      *
@@ -77,35 +77,34 @@ public function send(array $messages, ?callable $listener = null): Message
             throw new \Exception('Agent not set');
         }
 
-        $client = new \Utopia\Fetch\Client();
+        $client = new Client();
         $client
             ->setTimeout(90)
-            ->addHeader('authorization', 'Bearer ' . $this->apiKey)
+            ->addHeader('authorization', 'Bearer '.$this->apiKey)
             ->addHeader('content-type', Client::CONTENT_TYPE_APPLICATION_JSON);
 
         $formattedMessages = [];
         foreach ($messages as $message) {
-            if (!isset($message['role']) || !isset($message['content'])) {
-                throw new \Exception('Invalid message format');
+            if (! empty($message->getRole()) && ! empty($message->getContent())) {
+                $formattedMessages[] = [
+                    'role' => $message->getRole(),
+                    'content' => $message->getContent(),
+                ];
             }
-            $formattedMessages[] = [
-                'role' => $message['role'],
-                'content' => $message['content'],
-            ];
         }
 
         $instructions = [];
         foreach ($this->getAgent()->getInstructions() as $name => $content) {
-            $instructions[] = "# " . $name . "\n\n" . $content;
+            $instructions[] = '# '.$name."\n\n".$content;
         }
 
-        $systemMessage = $this->getAgent()->getDescription() . 
-            (empty($instructions) ? '' : "\n\n" . implode("\n\n", $instructions));
+        $systemMessage = $this->getAgent()->getDescription().
+            (empty($instructions) ? '' : "\n\n".implode("\n\n", $instructions));
 
-        if (!empty($systemMessage)) {
+        if (! empty($systemMessage)) {
             array_unshift($formattedMessages, [
                 'role' => 'system',
-                'content' => $systemMessage
+                'content' => $systemMessage,
             ]);
         }
 
@@ -173,7 +172,7 @@ protected function process(Chunk $chunk, ?callable $listener): string
 
             if (isset($json['choices'][0]['delta']['content'])) {
                 $delta = $json['choices'][0]['delta']['content'];
-                if (!empty($delta)) {
+                if (! empty($delta)) {
                     $block .= $delta;
                     if ($listener !== null) {
                         $listener($delta);
@@ -271,4 +270,4 @@ public function getName(): string
     {
         return 'deepseek';
     }
-} 
+}