add openai model setting

Author: ogrre

config/chatgpt.php

@@ -2,6 +2,15 @@
 
 return [
 
+    'openai' => [
+
+        /*
+         *
+         */
+
+        'model' => env('OPENAI_MODEL', 'gpt-3.5-turbo')
+    ],
+
     'models' => [
 
         /*

src/Models/Chat.php

@@ -84,7 +84,7 @@ public function gpt(string $prompt)
         $this->newMessage($prompt, "user");
 
         $response = $this->client->chat()->create([
-            'model' => 'gpt-3.5-turbo',
+            'model' => config('chatgpt.openai.model'),
             'messages' => $this->list_messages(),
         ]);
 
@@ -104,7 +104,7 @@ private function title(string $prompt)
             $content = "Résume ce prompt en quelques mots pour en faire un titre: " . $prompt;
 
             $response = $this->client->chat()->create([
-                'model' => 'gpt-3.5-turbo',
+                'model' => config('chatgpt.openai.model'),
                 'messages' => [
                     ['role' => 'user', 'content' => $content],
                 ],