code refector by Muhammad Imran

VoiceController.php

@@ -1,48 +1,47 @@
 public function voice(Request $request){
+
+    // THIS VALIDATION SHOULD BE IN REQUEST CLASS //
     $request->validate([
         'question_id'=>'required|int|exists:questions,id',
         'value'=>'required|boolean',
     ]);
 
-    $question=Question::find($request->post('question_id'));
-    if (!$question)
-        return response()->json([
-            'status'=>404,
-            'message'=>'not found question ..'
-        ]);
-    if ($question->user_id==auth()->id())
-        return response()->json([
-            'status' => 500,
-            'message' => 'The user is not allowed to vote to your question'
-        ]);
+    $question = Question::find($request->question_id);
+    if (!$question){
+        return $this->response(404, 'not found question');
+    }
+
+    if ($question->user_id == auth()->id()){
+        return $this->response(500, 'The user is not allowed to vote to your question');
+    }
 
     //check if user voted 
-    $voice=Voice::where([
-        ['user_id','=',auth()->id()],
-        ['question_id','=',$request->post('question_id')]
-    ])->first();
-    if (!is_null($voice)&&$voice->value===$request->post('value')) {
-        return response()->json([
-            'status' => 500,
-            'message' => 'The user is not allowed to vote more than once'
-        ]);
-    }else if (!is_null($voice)&&$voice->value!==$request->post('value')){
+    $voice = Voice::where(['user_id' => auth()->id(), 'question_id' => $request->question_id])->first();
+    if(!$voice){
+
+        if($voice->value===$request->value){
+            return $this->response(500, 'The user is not allowed to vote more than once');
+        }
+
         $voice->update([
             'value'=>$request->post('value')
         ]);
-        return response()->json([
-            'status'=>201,
-            'message'=>'update your voice'
-        ]);
-    }
+        return $this->response(201, 'update your voice');
 
+    }
+
     $question->voice()->create([
         'user_id'=>auth()->id(),
         'value'=>$request->post('value')
     ]);
 
+    return $this->response(200, 'Voting completed successfully');
+}
+
+public function response($status = 200, $message = '')
+{
     return response()->json([
-        'status'=>200,
-        'message'=>'Voting completed successfully'
+            'status' => $status,
+            'message' => $message
     ]);
 }