From a6c24393b5552e4a83c27cacdac00b97470ebebb Mon Sep 17 00:00:00 2001
From: Hugo Sales <hugo@fc.up.pt>
Date: Thu, 10 Sep 2020 22:27:23 +0000
Subject: [PATCH] [NOTE] Add isVisibleTo

---
 src/Entity/Note.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/Entity/Note.php b/src/Entity/Note.php
index 120164f9c2..182fd0da56 100644
--- a/src/Entity/Note.php
+++ b/src/Entity/Note.php
@@ -232,6 +232,21 @@ class Note extends Entity
         return null;
     }
 
+    public function isVisibleTo(/* GSActor|LocalUser */ $a): bool
+    {
+        $scope = NoteScope::create($this->scope);
+        return $scope->public
+            || ($scope->follower
+                && null != DB::find('follow', ['follower' => $a->getId(), 'followed' => $this->gsactor_id]))
+            || ($scope->addressee
+                && null != DB::find('notification', ['activity_id' => $this->id, 'gsactor_id' => $a->getId()]))
+            || ($scope->group
+                && [] != DB::sql('select m.gsactor_id from group_member m ' .
+                                   'inner join group_inbox i on m.group_id = i.group_id ' .
+                                   'inner join note n on i.activity_id = n.id where n.id = :id',
+                                   [], ['id' => $this->id]));
+    }
+
     public static function schemaDef(): array
     {
         return [