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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 path.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 FeedsNodeProcessor::getMappingTargets().
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*/
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function path_feeds_processor_targets_alter(&$targets, $entity_type, $bundle_name) {
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switch ($entity_type) {
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case 'node':
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case 'taxonomy_term':
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case 'user':
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$targets['path_alias'] = array(
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'name' => t('Path alias'),
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'description' => t('URL path alias of the node.'),
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'callback' => 'path_feeds_set_target',
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'summary_callback' => 'path_feeds_summary_callback',
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'form_callback' => 'path_feeds_form_callback',
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);
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break;
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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 $value contains the value of the feed item
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* element the user has picked as a source.
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*/
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function path_feeds_set_target($source, $entity, $target, $value, $mapping) {
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if (empty($value)) {
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$value = '';
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}
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// Path alias cannot be multi-valued, so use the first value.
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if (is_array($value)) {
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$value = $value[0];
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}
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$entity->path = array();
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$entity_type = $source->importer->processor->entityType();
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list($id, , ) = entity_extract_ids($entity_type, $entity);
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if ($id) {
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$uri = entity_uri($entity_type, $entity);
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// Check for existing aliases.
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if ($path = path_load($uri['path'])) {
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$entity->path = $path;
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}
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}
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$entity->path['pathauto'] = FALSE;
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// Allow pathauto to set the path alias if the option is set, and this value
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// is empty.
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if (!empty($mapping['pathauto_override']) && !$value) {
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$entity->path['pathauto'] = TRUE;
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}
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else {
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$entity->path['alias'] = ltrim($value, '/');
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}
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}
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/**
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* Mapping configuration summary for path.module.
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*
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* @param $mapping
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* Associative array of the mapping settings.
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* @param $target
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* Array of target settings, as defined by the processor or
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* hook_feeds_processor_targets_alter().
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* @param $form
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* The whole mapping form.
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* @param $form_state
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* The form state of the mapping form.
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*
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* @return
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* Returns, as a string that may contain HTML, the summary to display while
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* the full form isn't visible.
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* If the return value is empty, no summary and no option to view the form
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* will be displayed.
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*/
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function path_feeds_summary_callback($mapping, $target, $form, $form_state) {
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if (!module_exists('pathauto')) {
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return;
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}
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if (empty($mapping['pathauto_override'])) {
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return t('Do not allow Pathauto if empty.');
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}
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else {
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return t('Allow Pathauto if empty.');
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}
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}
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/**
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* Settings form callback.
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*
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* @return
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* The per mapping configuration form. Once the form is saved, $mapping will
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* be populated with the form values.
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*/
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function path_feeds_form_callback($mapping, $target, $form, $form_state) {
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return array(
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'pathauto_override' => array(
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'#type' => 'checkbox',
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'#title' => t('Allow Pathauto to set the alias if the value is empty.'),
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'#default_value' => !empty($mapping['pathauto_override']),
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),
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);
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}
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