bug #34854 [Messenger] gracefully handle missing event dispatchers (xabbuh)

fabpot · fabpot · commit 9dc574316868 · 2019-12-07T05:52:32.000+01:00
This PR was merged into the 4.3 branch.

Discussion
----------

[Messenger] gracefully handle missing event dispatchers

| Q             | A
| ------------- | ---
| Branch?       | 4.3
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #34852
| License       | MIT
| Doc PR        |

Commits
-------

d4ae85fc72 gracefully handle missing event dispatchers
diff --git a/Authorization/Voter/TraceableVoter.php b/Authorization/Voter/TraceableVoter.php
@@ -31,7 +31,12 @@ class TraceableVoter implements VoterInterface
     public function __construct(VoterInterface $voter, EventDispatcherInterface $eventDispatcher)
     {
         $this->voter = $voter;
-        $this->eventDispatcher = LegacyEventDispatcherProxy::decorate($eventDispatcher);
+
+        if (class_exists(LegacyEventDispatcherProxy::class)) {
+            $this->eventDispatcher = LegacyEventDispatcherProxy::decorate($eventDispatcher);
+        } else {
+            $this->eventDispatcher = $eventDispatcher;
+        }
     }
 
     public function vote(TokenInterface $token, $subject, array $attributes)

Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,12 @@ class TraceableVoter implements VoterInterface`
`31`	`31`	`public function __construct(VoterInterface $voter, EventDispatcherInterface $eventDispatcher)`
`32`	`32`	`{`
`33`	`33`	`$this->voter = $voter;`
`34`		`- $this->eventDispatcher = LegacyEventDispatcherProxy::decorate($eventDispatcher);`
	`34`	`+`
	`35`	`+ if (class_exists(LegacyEventDispatcherProxy::class)) {`
	`36`	`+ $this->eventDispatcher = LegacyEventDispatcherProxy::decorate($eventDispatcher);`
	`37`	`+ } else {`
	`38`	`+ $this->eventDispatcher = $eventDispatcher;`
	`39`	`+ }`
`35`	`40`	`}`
`36`	`41`
`37`	`42`	`public function vote(TokenInterface $token, $subject, array $attributes)`