feat: extend degree program data to include campo keys from all associated terms

Author: zhyian

src/Domain/CampoKeys.php

@@ -5,21 +5,21 @@
 namespace Fau\DegreeProgram\Common\Domain;
 
 /**
- * @psalm-type CampoKeysMap = array<value-of<self::SUPPORTED_CAMPO_KEYS>, string>
+ * @psalm-type CampoKeysMap = array<value-of<self::SUPPORTED_CAMPO_KEYS>, array<int, string>|string>
  */
 final class CampoKeys
 {
     public const SCHEMA = [
         'type' => 'object',
         'properties' => [
             DegreeProgram::DEGREE => [
-                'type' => 'string',
+                'type' => 'array',
             ],
             DegreeProgram::AREA_OF_STUDY => [
-                'type' => 'string',
+                'type' => 'array',
             ],
             DegreeProgram::LOCATION => [
-                'type' => 'string',
+                'type' => 'array',
             ],
         ],
     ];
@@ -28,13 +28,13 @@ final class CampoKeys
         'type' => 'object',
         'properties' => [
             DegreeProgram::DEGREE => [
-                'type' => 'string',
+                'type' => 'array',
             ],
             DegreeProgram::AREA_OF_STUDY => [
-                'type' => 'string',
+                'type' => 'array',
             ],
             DegreeProgram::LOCATION => [
-                'type' => 'string',
+                'type' => 'array',
             ],
         ],
     ];

src/Infrastructure/Repository/CampoKeysRepository.php

@@ -51,7 +51,7 @@ public function degreeProgramCampoKeys(DegreeProgramId $degreeProgramId): CampoK
                 continue;
             }
 
-            $map[$campoKeyType] = $campoKey;
+            $map[$campoKeyType][$term->term_id] = $campoKey;
         }
 
         return CampoKeys::fromArray($map);
@@ -69,9 +69,9 @@ public function taxonomyToTermsMapFromCampoKeys(CampoKeys $campoKeys): array
         $campoKeys = $campoKeys->asArray();
 
         foreach (self::TAXONOMY_TO_CAMPO_KEY_MAP as $taxonomy => $campoKeyType) {
-            $campoKey = $campoKeys[$campoKeyType] ?? '';
+            $campoKey = $campoKeys[$campoKeyType] ?? null;
 
-            if ($campoKey === '') {
+            if (!is_string($campoKey) || $campoKey === '') {
                 continue;
             }