diff sites/all/modules/references/references.feeds.inc @ 4:ce11bbd8f642

added modules

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/modules/references/references.feeds.inc	Thu Sep 19 10:38:44 2013 +0100
@@ -0,0 +1,305 @@
+<?php
+/**
+ * @file
+ * Mapper that handles any fields added by the References module (node_reference, user_reference)
+ *
+ * Code is effectively a port of the mapper_for_nodereference_field patch to drupal 7, and borrows
+ * heavily from the nodereference patch
+ *
+ */
+
+/**
+ * Implements hook_feeds_parser_sources_alter().
+ */
+function node_reference_feeds_parser_sources_alter(&$sources, $content_type) {
+  if (!empty($content_type)) {
+    $fields = field_info_fields();
+    foreach ($fields as $field) {
+      if ($field['type'] == 'node_reference' && isset($field['bundles']['node']) && in_array($content_type, $field['bundles']['node'])) {
+        $sources['parent:node_reference:'. $field['field_name']] = array(
+          'name' => t('Feed node: Node Reference (nid): @field_name', array('@field_name' => $field['field_name'])),
+          'description' => t('Node References from the parent feed node.'),
+          'callback' => 'node_reference_feeds_get_source',
+        );
+      }
+    }
+  }
+  return $sources;
+}
+
+/**
+ * Callback for mapping parent node references to child node reference values.
+ *
+ * @param $source
+ *   A FeedsSource object.
+ * @param $result
+ *   FeedsParserResult object.
+ * @param $key
+ *   The key as defined in the _feeds_parser_sources_alter() hook defined above.
+ * @return array
+ *   The node ids that the parent node references.
+ */
+function node_reference_feeds_get_source(FeedsSource $source, FeedsParserResult $result, $key) {
+  if ($node = node_load($source->feed_nid)) {
+    $results = array();
+    $field = substr($key, 22);
+    if (!empty($node->{$field}['und'])) {
+      foreach ($node->{$field}['und'] as $delta => $value) {
+        $results[] = $value['nid'];
+      }
+    }
+    return $results;
+  }
+}
+
+/**
+ * Implements hook_feeds_processor_targets_alter() for node_reference fields
+ *
+ * @see FeedsNodeProcessor::getMappingTargets().
+ */
+function node_reference_feeds_processor_targets_alter(&$targets, $entity_type, $bundle_name) {
+  foreach (field_info_instances($entity_type, $bundle_name) as $name => $instance) {
+    $info = field_info_field($name);
+    if ($info['type'] == 'node_reference') {
+
+      $targets[$name . ':title'] = array(
+        'name' => $instance['label'] . t(' (Node reference by node title)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by node title.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':nid'] = array(
+        'name' => $instance['label'] . t(' (Node reference by node ID)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by node ID.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':url'] = array(
+        'name' => $instance['label'] . t(' (Node reference by Feeds URL)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds URL.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':guid'] = array(
+        'name' => $instance['label'] . t(' (Node reference by Feeds GUID)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds GUID.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':title:duplicates'] = array(
+        'name' => $instance['label'] . t(' (Node reference by node title) -- allow duplicate nodes'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by node title. This target allows duplicate nodes (nodes can appear more than once in a field).', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':nid:duplicates'] = array(
+        'name' => $instance['label'] . t(' (Node reference by node ID) -- allow duplicate nodes'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by node ID. This target allows duplicate nodes (nodes can appear more than once in a field).', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':url:duplicates'] = array(
+        'name' => $instance['label'] . t(' (Node reference by Feeds URL) -- allow duplicate nodes'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds URL.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':guid:duplicates'] = array(
+        'name' => $instance['label'] . t(' (Node reference by Feeds GUID) -- allow duplicate nodes'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds GUID.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+    }
+  }
+}
+/**
+ * Implements hook_feeds_processor_targets_alter() for user_reference fields
+ *
+ * @see FeedsNodeProcessor::getMappingTargets().
+ *
+ */
+function user_reference_feeds_processor_targets_alter(&$targets, $entity_type, $bundle_name) {
+  foreach (field_info_instances($entity_type, $bundle_name) as $name => $instance) {
+    $info = field_info_field($name);
+    if ($info['type'] == 'user_reference') {
+
+      $targets[$name . ':name'] = array(
+        'name' => $instance['label'] . t(' (User reference by user name)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the user matched by user name. ', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':uid'] = array(
+        'name' => $instance['label'] . t(' (User reference by user ID)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the user matched by user ID.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':url'] = array(
+        'name' => $instance['label'] . t(' (User reference by Feeds URL)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds URL.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':guid'] = array(
+        'name' => $instance['label'] . t(' (User reference by Feeds GUID)'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds GUID.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':name:duplicates'] = array(
+        'name' => $instance['label'] . t(' (User reference by user name) -- allow duplicate users'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the user matched by user name. This target allows duplicate users (users can appear more than once in a field).', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':uid:duplicates'] = array(
+        'name' => $instance['label'] . t(' (User reference by user ID) -- allow duplicate users'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the user matched by user ID. This target allows duplicate users (users can appear more than once in a field).', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':url:duplicates'] = array(
+        'name' => $instance['label'] . t(' (User reference by Feeds URL) -- allow duplicate users'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds URL.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+
+      $targets[$name . ':guid:duplicates'] = array(
+        'name' => $instance['label'] . t(' (User reference by Feeds GUID) -- allow duplicate users'),
+        'callback' => 'references_feeds_set_target',
+        'description' => t('The @label field of the node matched by Feeds GUID.', array('@label' => $instance['label'])),
+        'real_target' => $name);
+    }
+  }
+}
+
+/**
+ * Callback for mapping both node reference and user_reference fields
+ *
+ * Implementation of hook_feeds_set_target().
+ *
+ * @param $source
+ *   A FeedsSource object.
+ * @param $entity
+ *   The entity to map to.
+ * @param $target
+ *   The target key on $entity to map to.
+ * @param $value
+ *   The value to map. Can be an array or a string.
+ */
+function references_feeds_set_target($source, $entity, $target, $value) {
+  if (empty($value)) {
+    return;
+  }
+
+  // Handle comma delimited or non-multiple values.
+  if (!is_array($value)) {
+    $value = array($value);
+  }
+
+  // Determine the field we are matching against, and whether duplicates are allowed.
+  $target_info = explode(':', $target, 3);
+  if (sizeof($target_info) == 3) {
+    list($target, $match_key, $duplicates) = $target_info;
+  }
+  else {
+    list($target, $match_key) = $target_info;
+  }
+
+  // Load field definition.
+  $info = field_info_field($target);
+  // Parameters to handle differences between node references and user references
+  if ($info['type'] == 'user_reference') {
+    $idname = 'uid';
+    $typename = 'user';
+    $validate_function = 'user_reference_potential_references';
+  }
+  else {
+    $idname = 'nid';
+    $typename = 'node';
+    $validate_function = 'node_reference_potential_references';
+  }
+
+  $field = isset($entity->$target) ? $entity->$target : array();
+  if (!isset($field['und'])) {
+    $field['und'] = array();
+  }
+
+  // Match values against nodes and add to field.
+  foreach ($value as $v) {
+    // Create options.
+    $options = array(
+      'string' => $v,
+      'match' => 'equals',
+      'ids' => array(),
+      'limit' => 1,
+    );
+
+    switch ($match_key) {
+      case 'title':
+      case 'name':
+        // Validate node title or user name.
+        if ((is_string($options['string']) && $options['string'] != '') || is_numeric($options['string'])) {
+          // Lookup potential exact matches for the value (limit to one result).
+          $matches = $validate_function($info,$options);
+          // Use the first element of the potential matches.
+          $options['ids']= key($matches);
+        }
+
+        // Alert if no match is found.
+        if (empty($options['ids'])) {
+          drupal_set_message(t('%title does not match an existing '.$typename, array('%title' => $options['string'])));
+        }
+        break;
+
+      case 'nid':
+      case 'uid':
+        // Make sure it is a positive integer.
+        if ((is_int($options['string']) || ctype_digit($options['string'])) && $options['string'] > 0 && $options['string'] !== '') {
+          // Make sure it is a valid node id or user id for this field.
+          $matches = $validate_function($info, array($options['string']));
+          foreach ($matches as $k => $v) {
+            if ($options['string'] == $k) {
+              $options['ids'] = $k;
+            }
+          }
+        }
+
+        // Alert if no match is found.
+        if (empty($options['ids'])) {
+          drupal_set_message(t('%id is not a valid '.$typename.' id for this field.', array('%id' => $options['string'])));
+        }
+        break;
+
+      case 'guid':
+      case 'url':
+        // get the value from table feeds-item.
+        $result = db_query('SELECT f.entity_id FROM {feeds_item} f WHERE f.'.$match_key.' = :v', array( ':v' => $v) );
+        $options['ids'] = $result->fetchField();
+
+        // Alert if no match is found.
+        if (empty($options['ids'])) {
+          drupal_set_message(t('%id is not a valid '.$typename.' id for this field.', array('%id' => $v)));
+        }
+        break;
+    }
+
+    if (!empty($options['ids'])) {
+      $reference = array($idname => $options['ids']);
+      if (!empty($duplicates)) {
+        // Add the reference, ignoring duplicates.
+        $field['und'][] = $reference;
+      }
+      else if (!in_array($reference, $field['und'])) {
+        // Add the reference only if it doesn't already exist.
+        $field['und'][] = $reference;
+      }
+
+      if ($info['cardinality'] == 1) {
+        break;
+      }
+    }
+  }
+  $entity->{$target} = $field;
+}