acf

2024-12-31 11:07:09 +01:00
parent df7915205d
commit e089172b15
1916 changed files with 165422 additions and 271 deletions
--- a/plugins/system/nrframework/NRFramework/AI/TextGeneration/ImageToText.php
+++ b/plugins/system/nrframework/NRFramework/AI/TextGeneration/ImageToText.php
@ -0,0 +1,108 @@
+<?php
+
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            https://www.tassos.gr
+ * @copyright       Copyright © 2024 Tassos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+ */
+
+namespace NRFramework\AI\TextGeneration;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Http\HttpFactory;
+
+class ImageToText
+{
+    /**
+     * Generate a caption for an image
+     * 
+     * @param   string  $imageUrl
+     * 
+     * @return  array
+     */
+    public function generate($imageUrl = '')
+    {
+        if (!$imageUrl)
+        {
+            return [
+                'error' => true,
+                'message' => 'Image URL is required',
+            ];
+        }
+
+		$apiKey = \NRFramework\Helpers\Settings::getValue('openai_api_key');
+		$apiEndpoint = 'https://api.openai.com/v1/chat/completions';
+
+		// Disable SSL verification for local files
+		$context = stream_context_create([
+			'ssl' => [
+				'verify_peer' => false,
+				'verify_peer_name' => false,
+			],
+		]);
+		
+		$imageData = base64_encode(file_get_contents($imageUrl, false, $context));
+		$url = "data:image/jpeg;base64,{$imageData}";
+
+		$data = [
+			'model' => 'gpt-4o-mini',
+			'messages' => [
+				[
+					'role' => 'user',
+					'content' => [
+						[
+							'type' => 'text',
+							'text' => 'Describe this image with maximum 120 characters, spaces included.'
+						],
+						[
+							'type' => 'image_url',
+							'image_url' => [
+								'url' => $url,
+							],
+						],
+					],
+				],
+			],
+			'max_tokens' => 50,
+		];
+
+		$headers = [
+			'Content-Type' => 'application/json',
+			'Authorization' => 'Bearer ' . $apiKey,
+		];
+
+		$error = false;
+		$message = '';
+
+		try {
+			$http = HttpFactory::getHttp();
+			$response = $http->post($apiEndpoint, json_encode($data), $headers);
+
+			if ($response->code == 200)
+			{
+				$result = json_decode($response->body);
+				$message = $result->choices[0]->message->content;
+			}
+			else
+			{
+				$error = true;
+
+				$decodedResponse = json_decode($response->body, true);
+
+				$message = isset($decodedResponse['error']['message']) ? $decodedResponse['error']['message'] : 'An error occurred while generating the caption.';
+			}
+		}
+		catch (\Exception $e)
+		{
+			$error = true;
+			$message = "Error: " . $e->getMessage();
+		}
+
+		return [
+			'error' => $error,
+			'message' => $message
+		];
+    }
+}