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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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/**
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* Implements hook_feeds_processor_targets().
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*/
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function file_feeds_processor_targets($entity_type, $bundle_name) {
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$targets = array();
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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 . ':uri'] = array(
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'name' => t('@label: URI', array('@label' => $instance['label'])),
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'callback' => 'file_feeds_set_target',
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'description' => t('The URI of the @label field.', array('@label' => $instance['label'])),
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'real_target' => $name,
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);
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// Keep the old target name for backwards compatibility, but hide it from
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// the UI.
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$targets[$name] = $targets[$name . ':uri'];
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$targets[$name]['deprecated'] = TRUE;
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if ($info['type'] == 'image') {
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$targets[$name . ':alt'] = array(
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'name' => t('@label: Alt', array('@label' => $instance['label'])),
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'callback' => 'file_feeds_set_target',
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'description' => t('The alt tag of the @label field.', array('@label' => $instance['label'])),
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'real_target' => $name,
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);
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$targets[$name . ':title'] = array(
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'name' => t('@label: Title', array('@label' => $instance['label'])),
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'callback' => 'file_feeds_set_target',
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'description' => t('The title of the @label field.', array('@label' => $instance['label'])),
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'real_target' => $name,
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);
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}
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elseif ($info['type'] === 'file') {
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$targets[$name . ':description'] = array(
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'name' => t('@label: Description', array('@label' => $instance['label'])),
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'callback' => 'file_feeds_set_target',
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'description' => t('The description of the @label field.', array('@label' => $instance['label'])),
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'real_target' => $name,
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);
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}
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}
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}
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return $targets;
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}
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/**
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* Callback for mapping file fields.
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*/
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function file_feeds_set_target(FeedsSource $source, $entity, $target, array $values, array $mapping) {
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$language = $mapping['language'];
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// Add default of uri for backwards compatibility.
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list($field_name, $sub_field) = explode(':', $target . ':uri');
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$info = field_info_field($field_name);
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if ($sub_field == 'uri') {
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foreach ($values as $k => $v) {
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if (!($v instanceof FeedsEnclosure)) {
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if (is_string($v)) {
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$values[$k] = new FeedsEnclosure($v, file_get_mimetype($v));
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}
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else {
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// Set the value for FALSE rather than remove it to keep our deltas
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// correct.
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$values[$k] = FALSE;
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}
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}
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}
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if ($entity instanceof Entity) {
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$entity_type = $entity->entityType();
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$bundle = $entity->bundle();
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}
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else {
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$entity_type = $source->importer->processor->entityType();
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$bundle = $source->importer->processor->bundle();
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}
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$instance_info = field_info_instance($entity_type, $field_name, $bundle);
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// Determine file destination.
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// @todo This needs review and debugging.
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$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, $data);
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}
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// Populate entity.
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$field = isset($entity->$field_name) ? $entity->$field_name : array($language => array());
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$delta = 0;
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foreach ($values as $v) {
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if ($info['cardinality'] == $delta) {
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break;
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}
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if (!isset($field[$language][$delta])) {
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$field[$language][$delta] = array();
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}
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switch ($sub_field) {
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case 'alt':
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case 'title':
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case 'description':
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$field[$language][$delta][$sub_field] = $v;
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break;
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case 'uri':
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if ($v) {
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try {
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$v->setAllowedExtensions($instance_info['settings']['file_extensions']);
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$field[$language][$delta] += (array) $v->getFile($destination);
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// @todo: Figure out how to properly populate this field.
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$field[$language][$delta]['display'] = 1;
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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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}
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break;
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}
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$delta++;
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}
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$entity->$field_name = $field;
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}
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