first import

sites/all/modules/entity/entity.rules.inc

@@ -0,0 +1,118 @@
+<?php
+
+/**
+ * @file
+ * Provides Rules integration for entities provided via the CRUD API.
+ *
+ * Rules automatically provides us with actions for CRUD and a suiting entity
+ * data type. For events the controller automatically invokes Rules events once
+ * Rules is active, so we just have to provide the appropriate info.
+ */
+
+/**
+ * Default controller for generating Rules integration.
+ */
+class EntityDefaultRulesController {
+
+  protected $type, $info;
+
+  public function __construct($type) {
+    $this->type = $type;
+    $this->info = entity_get_info($type);
+  }
+
+  public function eventInfo() {
+    $info = $this->info;
+    $type = $this->type;
+
+    $label = $info['label'];
+    $defaults = array(
+      'module' => isset($info['module']) ? $info['module'] : 'entity',
+      'group' => $label,
+      'access callback' => 'entity_rules_integration_event_access',
+    );
+
+    $items[$type . '_insert'] = $defaults + array(
+      'label' => t('After saving a new @entity', array('@entity' => drupal_strtolower($label))),
+      'variables' => entity_rules_events_variables($type, t('created @entity', array('@entity' => drupal_strtolower($label)))),
+    );
+    $items[$type . '_update'] = $defaults + array(
+      'label' => t('After updating an existing @entity', array('@entity' => drupal_strtolower($label))),
+      'variables' => entity_rules_events_variables($type, t('updated @entity', array('@entity' => drupal_strtolower($label))), TRUE),
+    );
+    $items[$type . '_presave'] = $defaults + array(
+      'label' => t('Before saving a @entity', array('@entity' => drupal_strtolower($label))),
+      'variables' => entity_rules_events_variables($type, t('saved @entity', array('@entity' => drupal_strtolower($label))), TRUE),
+    );
+    $items[$type . '_delete'] = $defaults + array(
+      'label' => t('After deleting a @entity', array('@entity' => drupal_strtolower($label))),
+      'variables' => entity_rules_events_variables($type, t('deleted @entity', array('@entity' => drupal_strtolower($label)))),
+    );
+    if (count($info['view modes'])) {
+      $items[$type . '_view'] = $defaults + array(
+        'label' => t('@entity is viewed', array('@entity' => $label)),
+        'variables' => entity_rules_events_variables($type, t('viewed @entity', array('@entity' => drupal_strtolower($label)))) + array(
+          'view_mode' => array(
+            'type' => 'text',
+            'label' => t('view mode'),
+            'options list' => 'rules_get_entity_view_modes',
+             // Add the entity-type for the options list callback.
+            'options list entity type' => $type,
+          ),
+        ),
+      );
+    }
+    // Specify that on presave the entity is saved anyway.
+    $items[$type . '_presave']['variables'][$type]['skip save'] = TRUE;
+    return $items;
+  }
+
+}
+
+/**
+ * Returns some parameter info suiting for the specified entity type.
+ */
+function entity_rules_events_variables($type, $label, $update = FALSE) {
+  $args = array(
+    $type => array('type' => $type, 'label' => $label),
+  );
+  if ($update) {
+    $args += array(
+      $type . '_unchanged' => array(
+        'type' => $type,
+        'label' => t('unchanged entity'),
+        'handler' => 'rules_events_entity_unchanged',
+      ),
+    );
+  }
+  return $args;
+}
+
+/**
+ * Implements hook_rules_event_info().
+ */
+function entity_rules_event_info() {
+  $items = array();
+  foreach (entity_crud_get_info() as $type => $info) {
+    // By default we enable the controller only for non-configuration.
+    $configuration = !empty($info['configuration']) || !empty($info['exportable']);
+    $info += array('rules controller class' => $configuration ? FALSE : 'EntityDefaultRulesController');
+    if ($info['rules controller class']) {
+      $controller = new $info['rules controller class']($type);
+      $items += $controller->eventInfo();
+    }
+  }
+  return $items;
+}
+
+/**
+ * Rules integration access callback.
+ */
+function entity_rules_integration_event_access($type, $event_name) {
+  // Cut of _insert/_update/.. from the event name.
+  $entity_type = substr($event_name, 0, strrpos($event_name, '_'));
+
+  $result = entity_access('view', $entity_type);
+  // If no access callback is given, just grant access for viewing.
+  return isset($result) ? $result : TRUE;
+}