limiter l'ajout de vote stack si la limite par poll a été atteinte

#30

src/Controller/api/v1/VoteController.php

@@ -47,14 +47,22 @@ class VoteController extends EmailsController {
 	) {
 
 
+		/***
+		 * checks before persisting
+		 */
 		$em    = $this->getDoctrine()->getManager();
 		$emPol = $em->getRepository( Poll::class );
 		$poll  = $emPol->findOneByCustomUrl( $custom_url );
 
+		// check : existence of poll
 		if ( ! $poll ) {
 			return $this->json( [ 'message' => 'poll "' . $custom_url . '" not found' ], 404 );
 		}
-
+		// check : limit of number of participation max
+		if ( count( $poll->getStacksOfVotes() ) == $poll->getVotesMax() ) {
+			return $this->json( [ 'message' => 'poll "' . $custom_url . '" not allowed to have more stack of votes than ' . $poll->getVotesMax() ],
+				403 );
+		}
 		$data = $request->getContent();
 		$data = json_decode( $data, true );
 
@@ -63,9 +71,7 @@ class VoteController extends EmailsController {
 
 		$owner = new Owner();
 		$owner
-			->addPoll( $poll )
-
-		;
+			->addPoll( $poll );
 		$newStack = new StackOfVotes();
 		$newStack
 			->setPoll( $poll )