Added video transcription

app/Services/FileTools/Transcription/IAudioTranscriptor.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Services\FileTools\Transcription;
+
+interface IAudioTranscriptor
+{
+    /**
+     * Perform transcription on the given audio file.
+     *
+     * @param string $filePath The path to the audio file to be transcribed.
+     * @return string The transcribed text from the audio file.
+     */
+    public function transcribe(string $filePath): ?string;
+}

app/Services/FileTools/Transcription/OpenAIAPIAudioTranscriptor.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Services\FileTools\Transcription;
+
+use Log;
+
+class OpenAIAPIAudioTranscriptor implements IAudioTranscriptor
+{
+
+    private function getHeaders(): array
+    {
+        return [
+            'Authorization: ' . (config('llm.api.transcription.token') ? 'Bearer ' . config('llm.api.transcription.token') : ''),
+            //'Content-Type: application/json',
+        ];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function transcribe(string $filePath): ?string
+    {
+        if (!file_exists($filePath)) {
+            Log::error("File not found: {$filePath}");
+            return null;
+        }
+
+        // Make a call to the API with curl
+        // Example of working curl command:
+        // curl -s "SPEACHES_BASE_URL/v1/audio/transcriptions" -F "file=@/home/ninluc/Downloads/memeSalto/m19.mp3" -F "model=MODEL_ID"
+        $curl = curl_init();
+        curl_setopt_array($curl, [
+            CURLOPT_URL => config('llm.api.transcription.host') . '/audio/transcriptions',
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_POST => true,
+            CURLOPT_POSTFIELDS => [
+                'file' => new \CURLFile($filePath),
+                'model' => config('llm.models.transcription.name'),
+            ],
+            CURLOPT_HTTPHEADER => $this->getHeaders(),
+        ]);
+        $response = curl_exec($curl);
+        $httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+        curl_close($curl);
+        if ($httpCode !== 200) {
+            Log::error("Error during transcription: HTTP code {$httpCode} : {$response}");
+            return null;
+        }
+        $responseData = json_decode($response, true);
+        return $responseData['text'] ?? null;
+    }
+}