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+<?php
+
+/**
+ * @file
+ * A dummy module for testing node related hooks.
+ *
+ * This is a dummy module that implements node related hooks to test API
+ * interaction with the Node module.
+ */
+
+/**
+ * Implements hook_node_load().
+ */
+function node_test_node_load($nodes, $types) {
+ // Add properties to each loaded node which record the parameters that were
+ // passed in to this function, so the tests can check that (a) this hook was
+ // called, and (b) the parameters were what we expected them to be.
+ $nids = array_keys($nodes);
+ ksort($nids);
+ sort($types);
+ foreach ($nodes as $node) {
+ $node->node_test_loaded_nids = $nids;
+ $node->node_test_loaded_types = $types;
+ }
+}
+
+/**
+ * Implements hook_node_view().
+ */
+function node_test_node_view($node, $view_mode) {
+ if ($view_mode == 'rss') {
+ // Add RSS elements and namespaces when building the RSS feed.
+ $node->rss_elements[] = array(
+ 'key' => 'testElement',
+ 'value' => t('Value of testElement RSS element for node !nid.', array('!nid' => $node->nid)),
+ );
+ $node->rss_namespaces['xmlns:drupaltest'] = 'http://example.com/test-namespace';
+
+ // Add content that should be displayed only in the RSS feed.
+ $node->content['extra_feed_content'] = array(
+ '#markup' => '<p>' . t('Extra data that should appear only in the RSS feed for node !nid.', array('!nid' => $node->nid)) . '</p>',
+ '#weight' => 10,
+ );
+ }
+
+ if ($view_mode != 'rss') {
+ // Add content that should NOT be displayed in the RSS feed.
+ $node->content['extra_non_feed_content'] = array(
+ '#markup' => '<p>' . t('Extra data that should appear everywhere except the RSS feed for node !nid.', array('!nid' => $node->nid)) . '</p>',
+ );
+ }
+}
+
+/**
+ * Implements hook_node_grants().
+ */
+function node_test_node_grants($account, $op) {
+ // Give everyone full grants so we don't break other node tests.
+ // Our node access tests asserts three realms of access.
+ // See testGrantAlter().
+ return array(
+ 'test_article_realm' => array(1),
+ 'test_page_realm' => array(1),
+ 'test_alter_realm' => array(2),
+ );
+}
+
+/**
+ * Implements hook_node_access_records().
+ */
+function node_test_node_access_records($node) {
+ // Return nothing when testing for empty responses.
+ if (!empty($node->disable_node_access)) {
+ return;
+ }
+ $grants = array();
+ if ($node->type == 'article') {
+ // Create grant in arbitrary article_realm for article nodes.
+ $grants[] = array(
+ 'realm' => 'test_article_realm',
+ 'gid' => 1,
+ 'grant_view' => 1,
+ 'grant_update' => 0,
+ 'grant_delete' => 0,
+ 'priority' => 0,
+ );
+ }
+ elseif ($node->type == 'page') {
+ // Create grant in arbitrary page_realm for page nodes.
+ $grants[] = array(
+ 'realm' => 'test_page_realm',
+ 'gid' => 1,
+ 'grant_view' => 1,
+ 'grant_update' => 0,
+ 'grant_delete' => 0,
+ 'priority' => 0,
+ );
+ }
+ return $grants;
+}
+
+/**
+ * Implements hook_node_access_records_alter().
+ */
+function node_test_node_access_records_alter(&$grants, $node) {
+ if (!empty($grants)) {
+ foreach ($grants as $key => $grant) {
+ // Alter grant from test_page_realm to test_alter_realm and modify the gid.
+ if ($grant['realm'] == 'test_page_realm' && $node->promote) {
+ $grants[$key]['realm'] = 'test_alter_realm';
+ $grants[$key]['gid'] = 2;
+ }
+ }
+ }
+}
+
+/**
+ * Implements hook_node_grants_alter().
+ */
+function node_test_node_grants_alter(&$grants, $account, $op) {
+ // Return an empty array of grants to prove that we can alter by reference.
+ $grants = array();
+}
+
+/**
+ * Implements hook_node_presave().
+ */
+function node_test_node_presave($node) {
+ if ($node->title == 'testing_node_presave') {
+ // Sun, 19 Nov 1978 05:00:00 GMT
+ $node->created = 280299600;
+ // Drupal 1.0 release.
+ $node->changed = 979534800;
+ }
+ // Determine changes.
+ if (!empty($node->original) && $node->original->title == 'test_changes') {
+ if ($node->original->title != $node->title) {
+ $node->title .= '_presave';
+ }
+ }
+}
+
+/**
+ * Implements hook_node_update().
+ */
+function node_test_node_update($node) {
+ // Determine changes on update.
+ if (!empty($node->original) && $node->original->title == 'test_changes') {
+ if ($node->original->title != $node->title) {
+ $node->title .= '_update';
+ }
+ }
+}
+
+/**
+ * Implements hook_entity_view_mode_alter().
+ */
+function node_test_entity_view_mode_alter(&$view_mode, $context) {
+ // Only alter the view mode if we are on the test callback.
+ if ($change_view_mode = variable_get('node_test_change_view_mode', '')) {
+ $view_mode = $change_view_mode;
+ }
+}
+
+/**
+ * Implements hook_node_insert().
+ *
+ * This tests saving a node on node insert.
+ *
+ * @see NodeSaveTest::testNodeSaveOnInsert()
+ */
+function node_test_node_insert($node) {
+ // Set the node title to the node ID and save.
+ if ($node->title == 'new') {
+ $node->title = 'Node '. $node->nid;
+ // Remove the is_new flag, so that the node is updated and not inserted
+ // again.
+ unset($node->is_new);
+ node_save($node);
+ }
+}