Issue #3027705 by claudiu.cristea, Pancho, smustgrave: Allow ?edit[field_xyz]...

Issue #3027705 by claudiu.cristea, Pancho, smustgrave: Allow ?edit[field_xyz] as query parameter in contextual filter

(cherry picked from commit 471c0afd)

core/modules/views/src/Plugin/views/argument_default/QueryParameter.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\views\Plugin\views\argument_default;
 
+use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\Cache\CacheableDependencyInterface;
 use Drupal\Core\Form\FormStateInterface;
@@ -64,9 +65,12 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    */
   public function getArgument() {
     $current_request = $this->view->getRequest();
+    // Convert a[b][c][d] into ['a', 'b', 'c', 'd'].
+    $path = array_filter(preg_split('#(\[|\]\[|\])#', $this->options['query_param']));
 
-    if ($current_request->query->has($this->options['query_param'])) {
-      $param = $current_request->query->all()[$this->options['query_param']];
+    if ($current_request->query->has($path[0])) {
+      $query = $current_request->query->all();
+      $param = NestedArray::getValue($query, $path);
       if (is_array($param)) {
         $conjunction = ($this->options['multiple'] == 'and') ? ',' : '+';
         $param = implode($conjunction, $param);

core/modules/views/tests/src/Unit/Plugin/argument_default/QueryParameterTest.php

@@ -69,6 +69,24 @@ public function providerGetArgument() {
       'blub',
     ];
 
+    $data[] = [
+      ['query_param' => 'test[tier1][tier2][tier3]'],
+      new Request(['test' => ['tier1' => ['tier2' => ['tier3' => 'foo']]]]),
+      'foo',
+    ];
+
+    $data[] = [
+      ['query_param' => 'test[tier1][tier2]'],
+      new Request(['test' => ['tier1' => ['tier2' => ['foo', 'bar']]]]),
+      'foo,bar',
+    ];
+
+    $data[] = [
+      ['query_param' => 'test[tier1][tier2]'],
+      new Request(['test' => 'foo']),
+      NULL,
+    ];
+
     return $data;
   }