dev/core#1471 - Add system status alert for deleted custom fields in …

…smart groups

CRM/Utils/Check/Component/Schema.php

@@ -88,4 +88,54 @@ public function checkMissingLogTables() {
     return $messages;
   }
 
+  /**
+   * @return array
+   */
+  public function checkSmartGroupCustomFieldCriteria() {
+    $messages = $problematicSG = [];
+    $customFieldIds = array_keys(CRM_Core_BAO_CustomField::getFields('ANY', FALSE, FALSE, NULL, NULL, FALSE, FALSE, FALSE));
+    $smartGroups = civicrm_api3('SavedSearch', 'get', [
+      'sequential' => 1,
+      'options' => ['limit' => 0],
+    ]);
+    if (empty($smartGroups['values'])) {
+      return;
+    }
+    foreach ($smartGroups['values'] as $group) {
+      if (empty($group['form_values'])) {
+        continue;
+      }
+      foreach ($group['form_values'] as $formValues) {
+        if (substr($formValues[0], 0, 7) == 'custom_') {
+          list(, $customFieldID) = explode('custom_', $formValues[0]);
+          if (!in_array($customFieldID, $customFieldIds)) {
+            $problematicSG[CRM_Contact_BAO_SavedSearch::getName($group['id'], 'id')] = CRM_Contact_BAO_SavedSearch::getName($group['id'], 'title');
+          }
+        }
+      }
+    }
+
+    if (!empty($problematicSG)) {
+      $html = '';
+      foreach ($problematicSG as $id => $groupName) {
+        $html .= "<tr><td>{$id}</td><td>{$groupName}</td>";
+      }
+      $message = "<p>The following smart groups include custom fields which are disabled/deleted from the database. This may cause errors on group page.<p>
+        <p><table><thead><tr><th>ID</th><th>Group Title</th>
+        </tr></thead><tbody>
+        $html
+        </tbody></table></p>
+        <p>You might need to revisit these groups and disable them in order to fix the error.</p>";
+      $msg = new CRM_Utils_Check_Message(
+        __FUNCTION__,
+        ts($message),
+        ts('Disabled/Deleted fields on Smart Groups'),
+        \Psr\Log\LogLevel::WARNING,
+        'fa-server'
+      );
+      $messages[] = $msg;
+    }
+    return $messages;
+  }
+
 }