/**
* Performs the integrity check.
*
* @param CoreContextAwarePluginInterface $plugin
* The plugin with its defined context.
* @param \Drupal\rules\Engine\ExecutionMetadataStateInterface $metadata_state
* The current configuration state with all defined variables that are
* available.
*
* @return \Drupal\rules\Engine\IntegrityViolationList
* The list of integrity violations.
*/
protected function doCheckIntegrity(CoreContextAwarePluginInterface $plugin, ExecutionMetadataStateInterface $metadata_state)
{
$violation_list = new IntegrityViolationList();
$context_definitions = $plugin->getContextDefinitions();
foreach ($context_definitions as $name => $context_definition) {
// Check if a data selector is configured that maps to the state.
if (isset($this->configuration['context_mapping'][$name])) {
try {
$data_definition = $metadata_state->fetchDefinitionByPropertyPath($this->configuration['context_mapping'][$name]);
$this->checkDataTypeCompatible($context_definition, $data_definition, $name, $violation_list);
} catch (RulesIntegrityException $e) {
$violation = new IntegrityViolation();
$violation->setMessage($this->t('Data selector %selector for context %context_name is invalid. @message', ['%selector' => $this->configuration['context_mapping'][$name], '%context_name' => $context_definition->getLabel(), '@message' => $e->getMessage()]));
$violation->setContextName($name);
$violation_list->add($violation);
}
if ($context_definition instanceof RulesContextDefinitionInterface && $context_definition->getAssignmentRestriction() === RulesContextDefinitionInterface::ASSIGNMENT_RESTRICTION_INPUT) {
$violation = new IntegrityViolation();
$violation->setMessage($this->t('The context %context_name may not be configured using a selector.', ['%context_name' => $context_definition->getLabel()]));
$violation->setContextName($name);
$violation_list->add($violation);
}
} elseif (isset($this->configuration['context_values'][$name])) {
if ($context_definition instanceof RulesContextDefinitionInterface && $context_definition->getAssignmentRestriction() === RulesContextDefinitionInterface::ASSIGNMENT_RESTRICTION_SELECTOR) {
$violation = new IntegrityViolation();
$violation->setMessage($this->t('The context %context_name may only be configured using a selector.', ['%context_name' => $context_definition->getLabel()]));
$violation->setContextName($name);
$violation_list->add($violation);
}
} elseif ($context_definition->isRequired()) {
$violation = new IntegrityViolation();
$violation->setMessage($this->t('The required context %context_name is missing.', ['%context_name' => $context_definition->getLabel()]));
$violation->setContextName($name);
$violation_list->add($violation);
}
}
if ($plugin instanceof ContextProviderInterface) {
$provided_context_definitions = $plugin->getProvidedContextDefinitions();
foreach ($provided_context_definitions as $name => $context_definition) {
if (isset($this->configuration['provides_mapping'][$name])) {
if (!preg_match('/^[0-9a-zA-Z_]*$/', $this->configuration['provides_mapping'][$name])) {
$violation = new IntegrityViolation();
$violation->setMessage($this->t('Provided variable name %name contains not allowed characters.', ['%name' => $this->configuration['provides_mapping'][$name]]));
$violation->setContextName($name);
$violation_list->add($violation);
}
// Populate the state with the new variable that is provided by this
// plugin. That is necessary so that the integrity check in subsequent
// actions knows about the variable and does not throw violations.
$metadata_state->setDataDefinition($this->configuration['provides_mapping'][$name], $context_definition->getDataDefinition());
} else {
$metadata_state->setDataDefinition($name, $context_definition->getDataDefinition());
}
}
}
return $violation_list;
}
/**
* Adds the definitions of provided context to the execution metadata state.
*
* @param CoreContextAwarePluginInterface $plugin
* The context aware plugin of which to add provided context.
* @param \Drupal\rules\Engine\ExecutionMetadataStateInterface $metadata_state
* The execution metadata state to add variables to.
*/
protected function addProvidedContextDefinitions(CoreContextAwarePluginInterface $plugin, ExecutionMetadataStateInterface $metadata_state)
{
// If the plugin does not support providing context, there is nothing to do.
if (!$plugin instanceof ContextProviderInterface) {
return;
}
foreach ($plugin->getProvidedContextDefinitions() as $name => $context_definition) {
if (isset($this->configuration['provides_mapping'][$name])) {
// Populate the state with the new variable that is provided by this
// plugin. That is necessary so that the integrity check in subsequent
// actions knows about the variable and does not throw violations.
$metadata_state->setDataDefinition($this->configuration['provides_mapping'][$name], $context_definition->getDataDefinition());
} else {
$metadata_state->setDataDefinition($name, $context_definition->getDataDefinition());
}
}
}
