Fix: include public/avatars in backups and restoration, add graceful fallback for missing contact photos

src/BackupManager.php

@@ -257,7 +257,16 @@ class BackupManager
             }
             $manifestFiles['asterisk_custom_conf'] = ['count' => count(glob($destConfs . '/*'))];
 
-            // F. Création du Manifeste
+            // F. Avatars et photos des contacts de l'annuaire (/var/www/nexus-pbx/public/avatars/)
+            $publicAvatars = '/var/www/nexus-pbx/public/avatars';
+            if (is_dir($publicAvatars)) {
+                $destAvatars = $stageDir . '/public_avatars';
+                mkdir($destAvatars, 0755, true);
+                self::copyDirectoryRecursive($publicAvatars, $destAvatars);
+                $manifestFiles['public_avatars'] = ['count' => count(glob($destAvatars . '/*'))];
+            }
+
+            // G. Création du Manifeste
             $manifest = [
                 'nexus_version' => self::VERSION,
                 'created_at' => date('c'),
@@ -573,6 +582,19 @@ class BackupManager
                 }
             }
 
+            // 9b. Restauration des avatars et photos des contacts de l'annuaire
+            if (is_dir($stageDir . '/public_avatars')) {
+                $destAvatars = '/var/www/nexus-pbx/public/avatars';
+                if (!is_dir($destAvatars)) {
+                    @mkdir($destAvatars, 0775, true);
+                }
+                self::copyDirectoryRecursive($stageDir . '/public_avatars', $destAvatars, true);
+                @chown($destAvatars, 'www-data');
+                @chgrp($destAvatars, 'asterisk');
+                exec("chown -R www-data:asterisk " . escapeshellarg($destAvatars));
+                exec("chmod -R 775 " . escapeshellarg($destAvatars));
+            }
+
             // 10. Régénération intégrale des configurations Asterisk avec la nouvelle base restaurée
             Database::resetConnection();
             $dbFresh = Database::getConnection(true);