fix 3

src/Config/QueryEnricherConfig.php

@@ -7,38 +7,12 @@ namespace App\Config;
 final readonly class QueryEnricherConfig
 {
     /**
-     * Keep the enrichment vocabulary in the class for now.
-     *
-     * Important:
-     * - This is intentionally NOT externalized yet.
-     * - Add or maintain the current project-specific mappings here.
-     * - The later move to external config/files can happen separately.
-     *
-     * Supported shapes:
-     *
-     * 1) Simple mapping:
-     * [
-     *     'water hardness' => 'residual hardness',
-     *     'device' => 'instrument',
-     * ]
-     *
-     * 2) Small synonym groups:
-     * [
-     *     ['water hardness', 'residual hardness', 'hardness'],
-     *     ['device', 'instrument', 'meter'],
-     * ]
-     *
-     * The public API stays intentionally simple:
-     * - getEnrichQueryList(): array<string,string>
-     *
-     * This keeps QueryEnricher generic while the domain vocabulary
-     * deliberately remains inside this class for now.
-     *
-     * Replace the example entries below with your real project mappings.
+     * Backwards-compatible fallback vocabulary.
+     * Active values are loaded from retriex.query_enrichment.config when present.
      *
      * @var array<int|string, mixed>
      */
-    private const ENRICH_QUERY_LIST = [
+    private const DEFAULT_ENRICH_QUERY_LIST = [
         'Wasserhärte' => 'Resthärte',
         'Gerät' => 'Modell',
         'Indikator' => 'Chemie',
@@ -48,9 +22,16 @@ final readonly class QueryEnricherConfig
         'Wasserhärte-Grenzwert' => 'Resthärte',
         'Resthärte-Grenzwert' => 'Wasserhärte',
         'Grenzwert' => 'Überwachungsbereich',
-        'store'=>'shop'
+        'store' => 'shop',
     ];
 
+    /**
+     * @param array<string, mixed> $config
+     */
+    public function __construct(private array $config = [])
+    {
+    }
+
     /**
      * Returns a normalized, deduplicated mapping for the QueryEnricher.
      *
@@ -71,8 +52,13 @@ final readonly class QueryEnricherConfig
     public function getEnrichQueryList(): array
     {
         $normalized = [];
+        $rules = $this->config['rules'] ?? self::DEFAULT_ENRICH_QUERY_LIST;
 
-        foreach (self::ENRICH_QUERY_LIST as $key => $value) {
+        if (!is_array($rules)) {
+            $rules = self::DEFAULT_ENRICH_QUERY_LIST;
+        }
+
+        foreach ($rules as $key => $value) {
             if (is_array($value)) {
                 $this->ingestGroup($normalized, $value);
                 continue;
@@ -93,6 +79,17 @@ final readonly class QueryEnricherConfig
         return $normalized;
     }
 
+    public function getMaxExpansions(): int
+    {
+        $value = $this->config['max_expansions'] ?? 4;
+
+        if (!is_numeric($value)) {
+            return 4;
+        }
+
+        return max(0, (int) $value);
+    }
+
     /**
      * Returns true when at least one valid enrichment rule exists.
      */
@@ -176,4 +173,4 @@ final readonly class QueryEnricherConfig
 
         return trim($value);
     }
-}
+}