first

app/Services/OllamaService.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Log;
+
+class OllamaService
+{
+    private string $baseUrl;
+    private string $model;
+
+    public function __construct()
+    {
+        $this->baseUrl = rtrim(config('speech2text.ollama.base_url'), '/');
+        $this->model   = config('speech2text.ollama.model');
+    }
+
+    /**
+     * Clean and improve raw transcript text using a local Ollama model.
+     * Returns corrected text, or null if Ollama is unavailable.
+     */
+    public function cleanTranscript(string $rawText, string $language = 'ms'): ?string
+    {
+        $langLabel = $language === 'ms' ? 'Bahasa Melayu' : 'English';
+
+        $prompt = <<<PROMPT
+Anda adalah pembantu penyuntingan teks transkripsi automatik dalam {$langLabel}.
+
+Tugas anda:
+1. Betulkan ejaan dan tanda baca
+2. Pisahkan ayat dengan betul
+3. Kekalkan maksud asal — JANGAN tukar kandungan atau tambah maklumat baru
+4. Kembalikan hanya teks yang telah diperbetulkan, tiada penjelasan tambahan
+
+Teks transkripsi:
+{$rawText}
+PROMPT;
+
+        try {
+            $response = Http::timeout(120)
+                ->post("{$this->baseUrl}/api/generate", [
+                    'model'  => $this->model,
+                    'prompt' => $prompt,
+                    'stream' => false,
+                ]);
+
+            if (! $response->successful()) {
+                Log::warning("OllamaService: HTTP {$response->status()} dari {$this->baseUrl}");
+                return null;
+            }
+
+            $text = trim($response->json('response') ?? '');
+
+            return $text !== '' ? $text : null;
+
+        } catch (\Throwable $e) {
+            Log::warning("OllamaService tidak tersedia: {$e->getMessage()}");
+            return null;
+        }
+    }
+
+    public function isAvailable(): bool
+    {
+        try {
+            return Http::timeout(5)->get("{$this->baseUrl}/api/tags")->successful();
+        } catch (\Throwable) {
+            return false;
+        }
+    }
+}