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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 link.module.
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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 FeedsProcessor::getMappingTargets()
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*/
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function link_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($name);
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if ($info['type'] == 'link_field') {
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if (array_key_exists('url', $info['columns'])) {
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$targets[$name . ':url'] = array(
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'name' => t('@name: URL', array('@name' => $instance['label'])),
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'callback' => 'link_feeds_set_target',
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'description' => t('The @label field of the entity.', array('@label' => $instance['label'])),
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'real_target' => $name,
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);
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}
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if (array_key_exists('title', $info['columns'])) {
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$targets[$name . ':title'] = array(
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'name' => t('@name: Title', array('@name' => $instance['label'])),
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'callback' => 'link_feeds_set_target',
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'description' => t('The @label field of the entity.', 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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}
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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 $value contains the value of the feed item
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* element the user has picked as a source.
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*/
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function link_feeds_set_target($source, $entity, $target, $value) {
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if (empty($value)) {
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return;
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}
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// Handle non-multiple value fields.
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if (!is_array($value)) {
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$value = array($value);
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}
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// Iterate over all values.
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list($field_name, $column) = explode(':', $target);
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$info = field_info_field($field_name);
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$field = isset($entity->$field_name) ? $entity->$field_name : array();
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$delta = 0;
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foreach ($value as $v) {
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if ($info['cardinality'] == $delta) {
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break;
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}
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if (is_object($v) && ($v instanceof FeedsElement)) {
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$v = $v->getValue();
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}
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if (is_scalar($v)) {
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$field['und'][$delta][$column] = $v;
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$delta++;
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}
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}
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$entity->$field_name = $field;
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}
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