Complete market occurrence drawer details

modules/erp/kontakte/service.php

@@ -125,6 +125,32 @@ function get_manufacturer_options(PDO $pdo): array
     );
 }
 
+function get_party_reference(PDO $pdo, int $partyId): ?array
+{
+    $stmt = $pdo->prepare(
+        'SELECT id, name, email, phone
+         FROM party
+         WHERE id = :id'
+    );
+    $stmt->execute([':id' => $partyId]);
+    $party = $stmt->fetch();
+
+    return is_array($party) ? $party : null;
+}
+
+function get_contact_reference(PDO $pdo, int $contactId): ?array
+{
+    $stmt = $pdo->prepare(
+        'SELECT id, party_id, first_name, last_name, email, phone, position_title
+         FROM contact
+         WHERE id = :id'
+    );
+    $stmt->execute([':id' => $contactId]);
+    $contact = $stmt->fetch();
+
+    return is_array($contact) ? $contact : null;
+}
+
 function create_manufacturer(PDO $pdo, string $name, ?string $email = null, ?string $phone = null): array
 {
     $name = trim($name);