ccas : create ccas dedicated check for transaction cancellation

src/Controller/UserController.php

@@ -287,20 +287,39 @@ class UserController extends AbstractController
             return $this->redirectToRoute('index');
         }
 
-        //Prevent cancelling transactions which happened before a reconversion (to avoid refunding money that's been reconverted)
-        if (
-            $this->em->getRepository(Flux::class)->getQueryByPrestataire(
-                $presta,
-                null,
-                Reconversion::TYPE_RECONVERSION_PRESTATAIRE,
-                $transactionAdherentPrestataire->getCreatedAt()->format("Y-m-d H:i:s")
-            )->getResult()
-        ) {
-            $this->addFlash(
-                'error',
-                'Cette transaction ne plus être annulée car une reconversion a été demandée depuis.'
-            );
-            return $this->redirectToRoute('index');
+        //Ccas transactions.
+        if ($transactionAdherentPrestataire->getIsCcas()) {
+            //Allowed if and only if transaction is from current month
+            $now = new \DateTime();
+            if (
+                $transactionAdherentPrestataire->getCreatedAt()->format('m') !== $now->format('m')
+                || $transactionAdherentPrestataire->getCreatedAt()->format('Y') !== $now->format('Y')
+            ) {
+                //display the same error message for CCAS or non CCAS as prestataire are not supposed to know if a transaction is CCAS or not
+                $this->addFlash(
+                    'error',
+                    'Cette transaction ne plus être annulée car une reconversion a été demandée depuis.'
+                );
+                return $this->redirectToRoute('index');
+            }
+        }
+        //Non ccas transactions,
+        else {
+            //we prevent cancelling transactions which happened before a reconversion (to avoid refunding money that's been reconverted)
+            if (
+                $this->em->getRepository(Flux::class)->getQueryByPrestataire(
+                    $presta,
+                    null,
+                    Reconversion::TYPE_RECONVERSION_PRESTATAIRE,
+                    $transactionAdherentPrestataire->getCreatedAt()->format("Y-m-d H:i:s")
+                )->getResult()
+            ) {
+                $this->addFlash(
+                    'error',
+                    'Cette transaction ne plus être annulée car une reconversion a été demandée depuis.'
+                );
+                return $this->redirectToRoute('index');
+            }
         }
 
         //Create new transaction in opposite direction