Draft: WIP: #3511381 validate configuration in a batch process

Closes #3511381

src/Controller/ConfigInspectorController.php

@@ -91,6 +91,62 @@ class ConfigInspectorController extends ControllerBase {
     return $form;
   }
 
+  public static function validateItem( $configs, &$context) {
+
+    /** @var \Drupal\config_inspector\ConfigInspectorManager $configInspectorManager */
+    $configInspectorManager = \Drupal::service('config_inspector.manager');
+
+    if (empty($context['sandbox'])) {
+      $context['sandbox']['progress'] = 0;
+      $context['sandbox']['total'] = count($configs);
+    }
+
+    $items = array_slice($configs, $context['sandbox']['progress'], 50);
+    foreach ($items as $name) {
+      $item = [ 'name' => $name ];
+      if(!$configInspectorManager->hasSchema($name)) {
+        $item['schema'] = FALSE;
+      }
+      else{
+        $item['schema'] = TRUE;
+        $result = $configInspectorManager->checkValues($name);
+        $raw_violations = $configInspectorManager->validateValues($name);
+        $raw_validatability = $configInspectorManager->checkValidatabilityValues($name);
+        $item['schema_errors'] = $result;
+        $item['availability_percentage'] = $raw_validatability->computePercentage();
+        $item['raw_violations'] = $raw_violations;
+      }
+
+      $context['results'][$name] = $item;
+    }
+
+    $context['sandbox']['progress'] += 50;
+    $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['total'];
+  }
+
+  /**
+   * Finishes the batch process.
+   */
+  public static function batchValidationFinish($success, $results, $operations) {
+    $tempstore = \Drupal::service('tempstore.private')->get('config_inspector');
+    $tempstore->set('results', $results);
+  }
+
+  /**
+   * Sets up a batch process to validate the configuration.
+   */
+  public function validateConfig() {
+    $batch = [
+      'title' => t('Validating configuration'),
+      'operations' => [
+        [ [ get_class($this), 'validateItem' ], [$this->configStorage->listAll()] ]
+      ],
+      'finished' => [ get_class($this), 'batchValidationFinish' ],
+    ];
+    batch_set($batch);
+    return batch_process('admin/reports/config-inspector');
+  }
+
   /**
    * Builds a page listing all configuration keys to inspect.
    *
@@ -98,6 +154,10 @@ class ConfigInspectorController extends ControllerBase {
    *   A render array representing the list.
    */
   public function overview() {
+
+    $tempstore = \Drupal::service('tempstore.private')->get('config_inspector');
+    $results = $tempstore->get('results');
+
     $page['#attached']['library'][] = 'system/drupal.debounce';
     $page['#attached']['library'][] = 'config_inspector/config_inspector';
 
@@ -151,10 +211,10 @@ class ConfigInspectorController extends ControllerBase {
       ],
     ];
 
-    foreach ($this->configStorage->listAll() as $name) {
+    foreach ($results as $name => $value) {
       $label = '<span class="table-filter-text-source">' . $name . '</span>';
       // Elements without a schema are displayed to help debugging.
-      if (!$this->configInspectorManager->hasSchema($name)) {
+      if (!$value['schema']) {
         $page['table'][] = [
           'name' => ['#markup' => $label],
           'schema' => [
@@ -172,40 +232,37 @@ class ConfigInspectorController extends ControllerBase {
       }
       else {
         $schema = $this->t('Correct');
-        $result = $this->configInspectorManager->checkValues($name);
-        $raw_violations = $this->configInspectorManager->validateValues($name);
-        $raw_validatability = $this->configInspectorManager->checkValidatabilityValues($name);
-        if (is_array($result)) {
+        if (is_array($value['schema_errors'])) {
           // The no-schema case is covered above already, if we got errors, the
           // schema is partial.
-          $schema = $this->translationManager->formatPlural(count($result), '@count error', '@count errors');
+          $schema = $this->translationManager->formatPlural(count($value['schema_errors']), '@count error', '@count errors');
         }
         $page['table'][] = [
           'name' => ['#markup' => $label],
           'schema' => [
             '#markup' => $schema,
             '#wrapper_attributes' => [
-              'data-has-errors' => is_array($result),
+              'data-has-errors' => is_array($value['schema_errors']),
             ],
           ],
           'validatability' => [
-            '#markup' => $raw_validatability->isComplete()
+            '#markup' => $value['availability_percentage'] == 1
               ? $this->t('Validatable')
-              : $this->t('@validatability%', ['@validatability' => intval($raw_validatability->computePercentage() * 100)]),
+              : $this->t('@validatability%', ['@validatability' => intval($value['availability_percentage'] * 100)]),
           ],
           'violations' => [
-            '#markup' => $raw_violations->count() === 0
-              ? ($raw_validatability->isComplete()
+            '#markup' => $value['raw_violations']->count() === 0
+              ? ($value['availability_percentage'] == 1
                 ? $this->t('<abbr title="Correct primitive type, passed all validation constraints.">✅✅</abbr>')
                 : $this->t('<abbr title="Correct primitive type, detailed validation impossible.">✅❓</abbr>')
             )
               : $this->translationManager->formatPlural(
-                $raw_violations->count(),
+                count($value['raw_violations']),
                 '@count error',
                 '@count errors',
             ),
             '#wrapper_attributes' => [
-              'data-has-errors' => $raw_violations->count() > 0,
+              'data-has-errors' => count($value['raw_violations']) > 0,
             ],
           ],
           'list' => [