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<?php
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/**
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* @file
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* On behalf implementation of Feeds mapping API for file.module and
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* image.module.
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*
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* Does actually not include mappers for field types defined in fields module
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* (because there aren't any) but mappers for all fields that contain their
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* value simply in $entity->fieldname['und'][$i]['value'].
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*/
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/**
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* Implements hook_feeds_processor_targets_alter().
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*
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* @see FeedsNodeProcessor::getMappingTargets().
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*/
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function file_feeds_processor_targets_alter(&$targets, $entity_type, $bundle_name) {
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foreach (field_info_instances($entity_type, $bundle_name) as $name => $instance) {
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$info = field_info_field($name);
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if (in_array($info['type'], array('file', 'image'))) {
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$targets[$name] = array(
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'name' => check_plain($instance['label']),
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'callback' => 'file_feeds_set_target',
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'description' => t('The @label field of the node.', array('@label' => $instance['label'])),
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);
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}
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}
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}
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/**
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* Callback for mapping. Here is where the actual mapping happens.
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*
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* When the callback is invoked, $target contains the name of the field the
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* user has decided to map to and $value contains the value of the feed item
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* element the user has picked as a source.
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*/
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function file_feeds_set_target($source, $entity, $target, $value) {
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if (empty($value)) {
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return;
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}
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module_load_include('inc', 'file');
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// Make sure $value is an array of objects of type FeedsEnclosure.
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if (!is_array($value)) {
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$value = array($value);
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}
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foreach ($value as $k => $v) {
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if (!($v instanceof FeedsEnclosure)) {
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if (is_string($v)) {
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$value[$k] = new FeedsEnclosure($v, file_get_mimetype($v));
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}
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else {
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unset($value[$k]);
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}
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}
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}
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if (empty($value)) {
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return;
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}
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$entity_type = $source->importer->processor->entityType();
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// Determine file destination.
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// @todo This needs review and debugging.
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$instance_info = field_info_instance($entity_type, $target, $source->importer->processor->bundle());
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$info = field_info_field($target);
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$data = array();
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if (!empty($entity->uid)) {
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$data[$entity_type] = $entity;
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}
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$destination = file_field_widget_uri($info, $instance_info, $data);
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// Populate entity.
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$i = 0;
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$field = isset($entity->$target) ? $entity->$target : array();
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foreach ($value as $v) {
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$file = FALSE;
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try {
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$v->setAllowedExtensions($instance_info['settings']['file_extensions']);
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$file = $v->getFile($destination);
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}
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catch (Exception $e) {
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watchdog('feeds', check_plain($e->getMessage()));
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}
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if ($file) {
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$field['und'][$i] = (array)$file;
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$field['und'][$i]['display'] = 1; // @todo: Figure out how to properly populate this field.
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if ($info['cardinality'] == 1) {
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break;
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}
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$i++;
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}
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}
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$entity->{$target} = $field;
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}
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