Add streaming content generation support

composer.json

@@ -22,7 +22,7 @@
   ],
   "require": {
     "php": "^8.1",
-    "gemini-api-php/client": "^1.3.1",
+    "gemini-api-php/client": "^1.4.3",
     "illuminate/support": "^9.0 || ^10.0 || ^11.0",
     "psr/container": "^1.0 || ^2.0",
     "psr/http-client": "^1.0"
@@ -37,6 +37,9 @@
     "phpstan/phpstan": "^1.10.47",
     "symfony/var-dumper": "^6.4.0|^7.0.1"
   },
+  "suggest": {
+    "ext-curl": "Required for streaming responses"
+  },
   "autoload": {
     "psr-4": {
       "GeminiAPI\\Laravel\\": "src"

src/Gemini.php

@@ -4,6 +4,7 @@
 
 namespace GeminiAPI\Laravel;
 
+use CurlHandle;
 use GeminiAPI\ClientInterface;
 use GeminiAPI\Enums\MimeType;
 use GeminiAPI\Enums\ModelName;
@@ -15,6 +16,7 @@
 use GeminiAPI\Resources\Model;
 use GeminiAPI\Resources\Parts\ImagePart;
 use GeminiAPI\Resources\Parts\TextPart;
+use GeminiAPI\Responses\GenerateContentResponse;
 use Psr\Http\Client\ClientExceptionInterface;
 
 use function array_map;
@@ -64,6 +66,27 @@ public function generateText(string $prompt): string
         return $response->text();
     }
 
+    /**
+     * @param string $prompt
+     * @param callable(string): void $callback
+     * @param CurlHandle|null $ch
+     * @return void
+     */
+    public function generateTextStream(
+        string $prompt,
+        callable $callback,
+        ?CurlHandle $ch = null,
+    ): void {
+        $cb = fn(GenerateContentResponse $response) => $callback($response->text());
+        $this->client
+        ->generativeModel(ModelName::GeminiPro)
+        ->generateContentStream(
+            $cb,
+            [new TextPart($prompt)],
+            $ch,
+        );
+    }
+
     /**
      * Generates a text based on the given image file.
      * You can also provide a prompt.