📝 Fix the ChatGPT command example

content/docs/chatgpt.md

@@ -6,18 +6,22 @@ priority: 1
 group: Examples
 ---
 
-Creating a Discord command to interact with OpenAI's API is quite easy thanks to the official [Laravel OpenAI package](https://github.com/openai-php/laravel).
+Creating a Discord command to interact with OpenAI's API is quite easy thanks to the official [OpenAI PHP package](https://github.com/openai-php/client).
+
+> #### Note
+>
+> We are unable to use `openai-php/laravel` due to it requiring `laravel/framework` as a dependency which conflicts with Laracord.
 
 In this example, we will create a simple `!chat` command to ask ChatGPT questions through the Discord bot.
 
 ## Requirements
 
 Before we get started, make sure you have an [OpenAI API Key](https://platform.openai.com/api-keys) on hand.
 
-Once you have your API key, install the OpenAI package using Composer:
+Once you have your API key, install the OpenAI Client package using Composer:
 
 ```sh
-$ composer require openai-php/laravel
+$ composer require openai-php/client
 ```
 
 and then add your API key to `.env`:
@@ -38,6 +42,7 @@ $ php laracord make:command Chat
 
 I won't bore you with a breakdown of the code, but it achieves the following goals:
 
+- Initializes the OpenAI client using the provided key in **.env**.
 - Requires an argument (message) to be passed.
 - Trims incoming messages to 384 characters to prevent abuse.
 - Caches the ongoing conversation for 1 minute.
@@ -50,7 +55,7 @@ Here's how it is done:
 namespace App\Commands;
 
 use Laracord\Commands\Command;
-use OpenAI\Laravel\Facades\OpenAI;
+use OpenAI;
 
 class Chat extends Command
 {
@@ -83,11 +88,21 @@ class Chat extends Command
     protected $apiKey = '';
 
     /**
-     * The OpenAI prompt.
+     * The OpenAI client instance.
      *
-     * @var string
+     * @var \OpenAI\Client
+     */
+    protected $client;
+
+    /**
+     * The OpenAI API key.
      */
-    protected $prompt = 'You only reply with 1-2 sentences at a time as if responding to a chat message.';
+    protected string $apiKey = '';
+
+    /**
+     * The OpenAI system prompt.
+     */
+    protected string $prompt = 'You only reply with 1-2 sentences at a time as if responding to a chat message.';
 
     /**
      * Handle the command.
@@ -132,5 +147,78 @@ class Chat extends Command
                 ->send($message);
         });
     }
+
+    /**
+     * Execute the Discord command.
+     *
+     * @param  \Discord\Parts\Channel\Message  $message
+     * @param  array  $args
+     * @return mixed
+     */
+    public function handle($message, $args)
+    {
+        $input = trim(
+            implode(' ', $args ?? [])
+        );
+
+        if (! $input) {
+            return $this
+                ->message('You must provide a message.')
+                ->title('Chat')
+                ->error()
+                ->send($message);
+        }
+
+        $message->channel->broadcastTyping()->done(function () use ($message, $input) {
+            $key = "{$message->channel->id}.chat.responses";
+            $input = Str::limit($input, 384);
+
+            $messages = cache()->get($key, [['role' => 'system', 'content' => $this->prompt]]);
+            $messages[] = ['role' => 'user', 'content' => $input];
+
+            $result = $this->client()->chat()->create([
+                'model' => 'gpt-3.5-turbo',
+                'messages' => $messages,
+            ]);
+
+            $response = $result->choices[0]->message->content;
+
+            $messages[] = ['role' => 'assistant', 'content' => $response];
+
+            cache()->put($key, $messages, now()->addMinute());
+
+            return $this
+                ->message($response)
+                ->send($message);
+        });
+    }
+
+    /**
+     * Retrieve the OpenAPI client instance.
+     *
+     * @return \OpenAI\Client
+     */
+    protected function client()
+    {
+        if ($this->client) {
+            return $this->client;
+        }
+
+        return $this->client = OpenAI::client($this->apiKey());
+    }
+
+    /**
+     * Retrieve the OpenAPI API key.
+     *
+     * @return string
+     */
+    protected function apiKey()
+    {
+        if ($this->apiKey) {
+            return $this->apiKey;
+        }
+
+        return $this->apiKey = env('OPENAI_API_KEY', $this->apiKey);
+    }
 }
 ```