add validation topic on send prompt if not relevan

app/Http/Controllers/Api/ChatbotController.php

@@ -34,7 +34,7 @@ class ChatbotController extends Controller
         };
 
         $chatHistory = $request->input('chatHistory');
-        // Log::info('Chat history sebelum disimpan:', ['history' => $chatHistory]);
+        Log::info('Chat history sebelum disimpan:', ['history' => $chatHistory]);
 
         if ($main_content === "UNKNOWN") {
             return response()->json(['response' => 'Invalid tab_active value.'], 400);
@@ -44,14 +44,15 @@ class ChatbotController extends Controller
 
         $queryResponse = $this->openAIService->generateQueryBasedMainContent($request->input('prompt'), $main_content, $chatHistory);
 
-        $firstValidation = $this->openAIService->validateSyntaxQuery($queryResponse);
+        if (str_contains($queryResponse, 'tidak relevan') || str_contains($queryResponse, 'tidak valid') || str_starts_with($queryResponse, 'Prompt')) {
-        $secondValidation = $this->openAIService->validateSyntaxQuery($queryResponse);
+            return response()->json(['response' => $queryResponse], 400);
+        }
 
         $formattedResultQuery = "[]";
         $queryResponse = str_replace(['```sql', '```'], '', $queryResponse);
         $resultQuery = DB::select($queryResponse);
         $formattedResultQuery = json_encode($resultQuery, JSON_PRETTY_PRINT);
-        // info($formattedResultQuery);
+        info($formattedResultQuery);
         
         $nlpResult = $this->openAIService->generateNLPFromQuery($request->input('prompt'), $formattedResultQuery);
         $finalGeneratedText =$this->openAIService->generateFinalText($nlpResult);
@@ -92,9 +93,6 @@ class ChatbotController extends Controller
             $queryResponse = $this->openAIService->createMainQuery($classifyResponse, $request->input('prompt'), $chatHistory);
             info($queryResponse);
 
-            $firstValidation = $this->openAIService->validateSyntaxQuery($queryResponse);
-            $secondValidation = $this->openAIService->validateSyntaxQuery($queryResponse);
-
             $formattedResultQuery = "[]";
             
             $queryResponse = str_replace(['```sql', '```'], '', $queryResponse);

app/Services/OpenAIService.php

@@ -27,6 +27,11 @@ class OpenAIService
             return "Template prompt tidak ditemukan.";
         }
 
+        $validationResponse = $this->validatePromptTopic($prompt);
+        if ($validationResponse !== 'VALID') {
+            return "Prompt yang Anda masukkan tidak relevan dengan data PUPR/SIMBG/DPUTR atau pekerjaan sejenis.";
+        }
+
         // Ambil template berdasarkan kategori
         $promptTemplate = $jsonData[$mainContent]['prompt'];
 
@@ -273,4 +278,26 @@ class OpenAIService
     
     //     return trim($response['choices'][0]['message']['content'] ?? 'No response');
     // }
+
+    public function validatePromptTopic($prompt)
+    {
+        $messages = [
+            [
+                'role' => 'system',
+                'content' => "You are a classification expert. Determine if the user's request is related to the Indonesian Ministry of Public Works and Public Housing (PUPR), DPUTR, SIMBG, or construction-related tasks managed by these institutions. 
+            
+    Only respond with:
+    - VALID → if it's relevant to those topics
+    - INVALID → if not related at all"
+            ],
+            ['role' => 'user', 'content' => $prompt],
+        ];
+
+        $response = $this->client->chat()->create([
+            'model' => 'gpt-4o-mini',
+            'messages' => $messages,
+        ]);
+
+        return trim($response['choices'][0]['message']['content'] ?? 'INVALID');
+    }
 }