major update

lib/Repository/Support/RepoQuery.php

@@ -148,4 +148,50 @@ class RepoQuery
         sort($ids, SORT_NUMERIC);
         return $ids;
     }
+
+    public static function normalizeStringList(mixed $value, int $max = 200, ?callable $sanitizer = null): array
+    {
+        if ($max <= 0) {
+            return [];
+        }
+
+        if (is_string($value)) {
+            $value = array_filter(array_map('trim', explode(',', $value)));
+        } elseif (!is_array($value)) {
+            return [];
+        }
+
+        $flat = [];
+        array_walk_recursive($value, static function ($item) use (&$flat): void {
+            $flat[] = $item;
+        });
+
+        $items = [];
+        $seen = [];
+        foreach ($flat as $item) {
+            $text = trim((string) $item);
+            if ($text === '') {
+                continue;
+            }
+
+            if ($sanitizer !== null) {
+                $text = trim((string) $sanitizer($text));
+                if ($text === '') {
+                    continue;
+                }
+            }
+
+            if (isset($seen[$text])) {
+                continue;
+            }
+
+            $seen[$text] = true;
+            $items[] = $text;
+            if (count($items) >= $max) {
+                break;
+            }
+        }
+
+        return $items;
+    }
 }