1423 lines
39 KiB
Plaintext
1423 lines
39 KiB
Plaintext
<?php
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/**
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* @file
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* Feeds - basic API functions and hook implementations.
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*/
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// Common request time, use as point of reference and to avoid calls to time().
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define('FEEDS_REQUEST_TIME', time());
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// Do not schedule a feed for refresh.
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define('FEEDS_SCHEDULE_NEVER', -1);
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// Never expire feed items.
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define('FEEDS_EXPIRE_NEVER', -1);
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// An object that is not persistent. Compare EXPORT_IN_DATABASE, EXPORT_IN_CODE.
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define('FEEDS_EXPORT_NONE', 0x0);
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// Status of batched operations.
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define('FEEDS_BATCH_COMPLETE', 1.0);
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define('FEEDS_BATCH_ACTIVE', 0.0);
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/**
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* @defgroup hooks Hook and callback implementations
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* @{
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*/
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/**
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* Implements hook_hook_info().
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*/
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function feeds_hook_info() {
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$hooks = array(
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'feeds_plugins',
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'feeds_after_parse',
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'feeds_before_import',
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'feeds_before_update',
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'feeds_presave',
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'feeds_after_save',
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'feeds_after_import',
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'feeds_after_clear',
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'feeds_processor_targets',
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'feeds_processor_targets_alter',
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'feeds_parser_sources_alter',
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);
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return array_fill_keys($hooks, array('group' => 'feeds'));
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}
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/**
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* Implements hook_cron().
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*/
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function feeds_cron() {
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// Expire old log entries.
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db_delete('feeds_log')
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->condition('request_time', REQUEST_TIME - 604800, '<')
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->execute();
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// Find importers that need to be rescheduled.
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if (!$importers = feeds_reschedule()) {
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return;
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}
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// @todo Maybe we should queue this somehow as well. This could be potentially
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// very long.
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$sources = db_query("SELECT feed_nid, id FROM {feeds_source} WHERE id IN (:ids)", array(':ids' => $importers));
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foreach ($sources as $source) {
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feeds_source($source->id, $source->feed_nid)->schedule();
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}
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feeds_reschedule(FALSE);
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}
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/**
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* Implements hook_cron_job_scheduler_info().
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*
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* Compare queue names with key names in feeds_cron_queue_info().
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*/
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function feeds_cron_job_scheduler_info() {
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$info = array();
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$info['feeds_source_import'] = array(
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'queue name' => 'feeds_source_import',
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);
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$info['feeds_source_clear'] = array(
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'queue name' => 'feeds_source_clear',
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);
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$info['feeds_source_expire'] = array(
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'queue name' => 'feeds_source_expire',
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);
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$info['feeds_push_unsubscribe'] = array(
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'queue name' => 'feeds_push_unsubscribe',
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);
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return $info;
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}
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/**
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* Implements hook_cron_queue_info().
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*/
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function feeds_cron_queue_info() {
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$queues = array();
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$queues['feeds_source_import'] = array(
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'worker callback' => 'feeds_source_import',
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'time' => 60,
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);
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$queues['feeds_source_clear'] = array(
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'worker callback' => 'feeds_source_clear',
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);
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$queues['feeds_source_expire'] = array(
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'worker callback' => 'feeds_source_expire',
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);
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$queues['feeds_push_unsubscribe'] = array(
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'worker callback' => 'feeds_push_unsubscribe',
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);
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return $queues;
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}
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/**
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* Scheduler callback for importing from a source.
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*/
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function feeds_source_import(array $job) {
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$source = _feeds_queue_worker_helper($job, 'import');
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$source->scheduleImport();
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}
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/**
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* Scheduler callback for deleting all items from a source.
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*/
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function feeds_source_clear(array $job) {
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$source = _feeds_queue_worker_helper($job, 'clear');
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$source->scheduleClear();
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}
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/**
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* Scheduler callback for expiring content.
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*/
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function feeds_source_expire(array $job) {
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$source = _feeds_queue_worker_helper($job, 'expire');
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$source->scheduleExpire();
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}
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/**
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* Executes a method on a feed source.
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*
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* @param array $job
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* The job being run.
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* @param string $method
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* The method to execute.
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*/
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function _feeds_queue_worker_helper(array $job, $method) {
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$source = feeds_source($job['type'], $job['id']);
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try {
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$source->existing()->$method();
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}
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catch (FeedsNotExistingException $e) {
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// Do nothing.
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}
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catch (Exception $e) {
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$source->log($method, $e->getMessage(), array(), WATCHDOG_ERROR);
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}
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return $source;
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}
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/**
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* Scheduler callback for unsubscribing from PuSH hubs.
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*/
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function feeds_push_unsubscribe($job) {
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$source = feeds_source($job['type'], $job['id']);
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$fetcher = feeds_plugin('FeedsHTTPFetcher', $source->importer->id);
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$fetcher->unsubscribe($source);
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}
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/**
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* Batch API worker callback. Used by FeedsSource::startBatchAPIJob().
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*
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* @see FeedsSource::startBatchAPIJob().
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*
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* @todo Harmonize Job Scheduler API callbacks with Batch API callbacks?
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*
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* @param $method
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* Method to execute on importer; one of 'import' or 'clear'.
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* @param $importer_id
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* Identifier of a FeedsImporter object.
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* @param $feed_nid
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* If importer is attached to content type, feed node id identifying the
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* source to be imported.
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* @param $context
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* Batch context.
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*/
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function feeds_batch($method, $importer_id, $feed_nid = 0, &$context) {
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$context['finished'] = FEEDS_BATCH_COMPLETE;
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try {
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$context['finished'] = feeds_source($importer_id, $feed_nid)->$method();
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}
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catch (Exception $e) {
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drupal_set_message($e->getMessage(), 'error');
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}
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}
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/**
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* Reschedule one or all importers.
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*
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* @param string $importer_id
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* If TRUE, all importers will be rescheduled, if FALSE, no importers will
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* be rescheduled, if an importer id, only importer of that id will be
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* rescheduled.
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*
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* @return array
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* An list of importers that need rescheduling.
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*/
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function feeds_reschedule($importer_id = NULL) {
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$reschedule = variable_get('feeds_reschedule', FALSE);
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if ($importer_id === TRUE || $importer_id === FALSE) {
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$reschedule = $importer_id;
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}
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elseif (is_string($importer_id) && $reschedule !== TRUE) {
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$reschedule = array_filter((array) $reschedule);
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$reschedule[$importer_id] = $importer_id;
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}
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if (isset($importer_id)) {
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variable_set('feeds_reschedule', $reschedule);
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}
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if ($reschedule === TRUE) {
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return feeds_enabled_importers();
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}
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elseif ($reschedule === FALSE) {
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return array();
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}
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return $reschedule;
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}
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/**
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* Implements feeds_permission().
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*/
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function feeds_permission() {
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$perms = array(
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'administer feeds' => array(
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'title' => t('Administer Feeds'),
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'description' => t('Create, update, delete importers, execute import and delete tasks on any importer.')
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),
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);
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foreach (feeds_importer_load_all() as $importer) {
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$perms["import $importer->id feeds"] = array(
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'title' => t('Import @name feeds', array('@name' => $importer->config['name'])),
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);
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$perms["clear $importer->id feeds"] = array(
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'title' => t('Delete items from @name feeds', array('@name' => $importer->config['name'])),
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);
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$perms["unlock $importer->id feeds"] = array(
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'title' => t('Unlock imports from @name feeds', array('@name' => $importer->config['name'])),
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'description' => t('If a feed importation breaks for some reason, users with this permission can unlock them.')
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);
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}
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return $perms;
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}
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/**
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* Implements hook_forms().
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*
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* Declare form callbacks for all known classes derived from FeedsConfigurable.
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*/
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function feeds_forms() {
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$forms = array();
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$forms['FeedsImporter_feeds_form']['callback'] = 'feeds_form';
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$plugins = FeedsPlugin::all();
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foreach ($plugins as $plugin) {
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$forms[$plugin['handler']['class'] . '_feeds_form']['callback'] = 'feeds_form';
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}
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return $forms;
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}
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/**
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* Implements hook_menu().
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*/
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function feeds_menu() {
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$items = array();
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$items['import'] = array(
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'title' => 'Import',
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'page callback' => 'feeds_page',
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'access callback' => 'feeds_page_access',
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'file' => 'feeds.pages.inc',
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);
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$items['import/%feeds_importer'] = array(
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'title callback' => 'feeds_importer_title',
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'title arguments' => array(1),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('feeds_import_form', 1),
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'access callback' => 'feeds_access',
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'access arguments' => array('import', 1),
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'file' => 'feeds.pages.inc',
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);
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$items['import/%feeds_importer/import'] = array(
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'title' => 'Import',
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10,
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);
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$items['import/%feeds_importer/delete-items'] = array(
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'title' => 'Delete items',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('feeds_delete_tab_form', 1),
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'access callback' => 'feeds_access',
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'access arguments' => array('clear', 1),
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'file' => 'feeds.pages.inc',
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'type' => MENU_LOCAL_TASK,
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);
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$items['import/%feeds_importer/unlock'] = array(
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'title' => 'Unlock',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('feeds_unlock_tab_form', 1),
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'access callback' => 'feeds_access',
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'access arguments' => array('unlock', 1),
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'file' => 'feeds.pages.inc',
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'type' => MENU_LOCAL_TASK,
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);
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$items['import/%feeds_importer/template'] = array(
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'page callback' => 'feeds_importer_template',
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'page arguments' => array(1),
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'access callback' => 'feeds_access',
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'access arguments' => array('import', 1),
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'file' => 'feeds.pages.inc',
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'type' => MENU_CALLBACK,
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);
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$items['node/%node/import'] = array(
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'title' => 'Import',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('feeds_import_tab_form', 1),
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'access callback' => 'feeds_access',
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'access arguments' => array('import', 1),
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'file' => 'feeds.pages.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => 10,
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);
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$items['node/%node/delete-items'] = array(
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'title' => 'Delete items',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('feeds_delete_tab_form', NULL, 1),
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'access callback' => 'feeds_access',
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'access arguments' => array('clear', 1),
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'file' => 'feeds.pages.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => 11,
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);
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$items['node/%node/unlock'] = array(
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'title' => 'Unlock',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('feeds_unlock_tab_form', NULL, 1),
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'access callback' => 'feeds_access',
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'access arguments' => array('unlock', 1),
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'file' => 'feeds.pages.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => 11,
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);
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// @todo Eliminate this step and thus eliminate clearing menu cache when
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// manipulating importers.
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foreach (feeds_importer_load_all() as $importer) {
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$items += $importer->fetcher->menuItem();
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}
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return $items;
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}
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/**
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* Implements hook_admin_paths().
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*/
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function feeds_admin_paths() {
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$paths = array(
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'import' => TRUE,
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'import/*' => TRUE,
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'node/*/import' => TRUE,
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'node/*/delete-items' => TRUE,
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'node/*/log' => TRUE,
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);
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return $paths;
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}
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/**
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* Menu loader callback.
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*/
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function feeds_importer_load($id) {
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try {
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return feeds_importer($id)->existing();
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}
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catch (FeedsNotExistingException $e) {}
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catch (InvalidArgumentException $e) {}
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return FALSE;
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}
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/**
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* Title callback.
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*/
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function feeds_importer_title(FeedsImporter $importer) {
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return $importer->config['name'];
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}
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/**
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* Implements hook_theme().
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*/
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function feeds_theme() {
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return array(
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'feeds_upload' => array(
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'file' => 'feeds.pages.inc',
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'render element' => 'element',
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),
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'feeds_source_status' => array(
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'file' => 'feeds.pages.inc',
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'variables' => array(
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'progress_importing' => NULL,
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'progress_clearing' => NULL,
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'imported' => NULL,
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'count' => NULL,
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),
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),
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);
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}
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/**
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* Menu access callback.
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*
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* @param $action
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* The action to be performed. Possible values are:
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* - import
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* - clear
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* - unlock
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* @param $param
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* Node object or FeedsImporter id.
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*/
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function feeds_access($action, $param) {
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if (!in_array($action, array('import', 'clear', 'unlock'))) {
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// If $action is not one of the supported actions, we return access denied.
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return FALSE;
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}
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$importer_id = FALSE;
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if (is_string($param)) {
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$importer_id = $param;
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}
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elseif ($param instanceof FeedsImporter) {
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$importer_id = $param->id;
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}
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elseif ($param->type) {
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$importer_id = feeds_get_importer_id($param->type);
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}
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// Check for permissions if feed id is present, otherwise return FALSE.
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if ($importer_id) {
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if (user_access('administer feeds') || user_access("{$action} {$importer_id} feeds")) {
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return TRUE;
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}
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}
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return FALSE;
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}
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/**
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* Access callback to determine if the user can import Feeds importers.
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*
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* Feeds imports require an additional access check because they are PHP
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* code and PHP is more locked down than administer feeds.
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*/
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function feeds_importer_import_access() {
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return user_access('administer feeds') && user_access('use PHP for settings');
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}
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/**
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* Menu access callback.
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*/
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function feeds_page_access() {
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if (user_access('administer feeds')) {
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return TRUE;
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}
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foreach (feeds_enabled_importers() as $id) {
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if (user_access("import $id feeds")) {
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return TRUE;
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}
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}
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return FALSE;
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}
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/**
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* Implements hook_exit().
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*/
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function feeds_exit() {
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// Process any pending PuSH subscriptions.
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$jobs = feeds_get_subscription_jobs();
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foreach ($jobs as $job) {
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if (!isset($job['fetcher']) || !isset($job['source'])) {
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continue;
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}
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$job['fetcher']->subscribe($job['source']);
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}
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if (drupal_static('feeds_log_error', FALSE)) {
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watchdog('feeds', 'Feeds reported errors, visit the Feeds log for details.', array(), WATCHDOG_ERROR, 'admin/reports/dblog/feeds');
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}
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}
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/**
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* Implements hook_views_api().
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*/
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function feeds_views_api() {
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return array(
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'api' => 3,
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'path' => drupal_get_path('module', 'feeds') . '/views',
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);
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}
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/**
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* Implements hook_ctools_plugin_api().
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*/
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function feeds_ctools_plugin_api($owner, $api) {
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if ($owner == 'feeds' && $api == 'plugins') {
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return array('version' => 1);
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}
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}
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/**
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* Implements hook_ctools_plugin_type().
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*/
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function feeds_ctools_plugin_type() {
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return array(
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'plugins' => array(
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'cache' => TRUE,
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'use hooks' => TRUE,
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'classes' => array('handler'),
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),
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);
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}
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/**
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* Implements hook_feeds_plugins().
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*/
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function feeds_feeds_plugins() {
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module_load_include('inc', 'feeds', 'feeds.plugins');
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return _feeds_feeds_plugins();
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}
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/**
|
|
* Gets the feed_nid for a single entity.
|
|
*
|
|
* @param int $entity_id
|
|
* The entity id.
|
|
* @param string $entity_type
|
|
* The type of entity.
|
|
*
|
|
* @return int|bool
|
|
* The feed_nid of the entity, or FALSE if the entity doesn't belong to a
|
|
* feed.
|
|
*/
|
|
function feeds_get_feed_nid($entity_id, $entity_type) {
|
|
return db_query("SELECT feed_nid FROM {feeds_item} WHERE entity_type = :type AND entity_id = :id", array(':type' => $entity_type, ':id' => $entity_id))->fetchField();
|
|
}
|
|
|
|
/**
|
|
* Implements hook_entity_insert().
|
|
*/
|
|
function feeds_entity_insert($entity, $type) {
|
|
list($id) = entity_extract_ids($type, $entity);
|
|
feeds_item_info_insert($entity, $id);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_entity_update().
|
|
*/
|
|
function feeds_entity_update($entity, $type) {
|
|
list($id) = entity_extract_ids($type, $entity);
|
|
feeds_item_info_save($entity, $id);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_entity_delete().
|
|
*/
|
|
function feeds_entity_delete($entity, $type) {
|
|
list($id) = entity_extract_ids($type, $entity);
|
|
|
|
// Delete any imported items produced by the source.
|
|
db_delete('feeds_item')
|
|
->condition('entity_type', $type)
|
|
->condition('entity_id', $id)
|
|
->execute();
|
|
}
|
|
|
|
/**
|
|
* Implements hook_node_validate().
|
|
*/
|
|
function feeds_node_validate($node, $form, &$form_state) {
|
|
if (!$importer_id = feeds_get_importer_id($node->type)) {
|
|
return;
|
|
}
|
|
// Keep a copy of the title for subsequent node creation stages.
|
|
// @todo: revisit whether $node still looses all of its properties
|
|
// between validate and insert stage.
|
|
$last_title = &drupal_static('feeds_node_last_title');
|
|
$last_feeds = &drupal_static('feeds_node_last_feeds');
|
|
|
|
// On validation stage we are working with a FeedsSource object that is
|
|
// not tied to a nid - when creating a new node there is no
|
|
// $node->nid at this stage.
|
|
$source = feeds_source($importer_id);
|
|
|
|
// Node module magically moved $form['feeds'] to $node->feeds :P.
|
|
// configFormValidate may modify $last_feed, smuggle it to update/insert stage
|
|
// through a static variable.
|
|
$last_feeds = $node->feeds;
|
|
$source->configFormValidate($last_feeds);
|
|
|
|
// If node title is empty, try to retrieve title from feed.
|
|
if (trim($node->title) == '') {
|
|
try {
|
|
$source->addConfig($last_feeds);
|
|
if (!$last_title = $source->preview()->title) {
|
|
throw new Exception();
|
|
}
|
|
}
|
|
catch (Exception $e) {
|
|
drupal_set_message($e->getMessage(), 'error');
|
|
form_set_error('title', t('Could not retrieve title from feed.'));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_node_presave().
|
|
*/
|
|
function feeds_node_presave($node) {
|
|
// Populate $node->title and $node->feed from result of validation phase.
|
|
$last_title = &drupal_static('feeds_node_last_title');
|
|
$last_feeds = &drupal_static('feeds_node_last_feeds');
|
|
if (empty($node->title) && !empty($last_title)) {
|
|
$node->title = $last_title;
|
|
}
|
|
if (!empty($last_feeds)) {
|
|
$node->feeds = $last_feeds;
|
|
}
|
|
$last_title = NULL;
|
|
$last_feeds = NULL;
|
|
|
|
// Update "changed" value if there was mapped to that.
|
|
if (isset($node->feeds_item->node_changed)) {
|
|
$node->changed = $node->feeds_item->node_changed;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_node_insert().
|
|
*/
|
|
function feeds_node_insert($node) {
|
|
// Source attached to node.
|
|
feeds_node_update($node);
|
|
if (isset($node->feeds) && $importer_id = feeds_get_importer_id($node->type)) {
|
|
$source = feeds_source($importer_id, $node->nid);
|
|
// Start import if requested.
|
|
if (feeds_importer($importer_id)->config['import_on_create'] && !isset($node->feeds['suppress_import'])) {
|
|
$source->startImport();
|
|
}
|
|
// Schedule the source.
|
|
$source->schedule();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_node_update().
|
|
*/
|
|
function feeds_node_update($node) {
|
|
// Source attached to node.
|
|
if (isset($node->feeds) && $importer_id = feeds_get_importer_id($node->type)) {
|
|
$source = feeds_source($importer_id, $node->nid);
|
|
$source->addConfig($node->feeds);
|
|
$source->save();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_node_delete().
|
|
*/
|
|
function feeds_node_delete($node) {
|
|
// Source attached to node.
|
|
// Make sure we don't leave any orphans behind: Do not use
|
|
// feeds_get_importer_id() to determine importer id as the importer may have
|
|
// been deleted.
|
|
if ($importer_id = db_query("SELECT id FROM {feeds_source} WHERE feed_nid = :nid", array(':nid' => $node->nid))->fetchField()) {
|
|
feeds_source($importer_id, $node->nid)->delete();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_form_BASE_FORM_ID_alter().
|
|
*/
|
|
function feeds_form_node_form_alter(&$form, $form_state) {
|
|
if ($importer_id = feeds_get_importer_id($form['#node']->type)) {
|
|
// Set title to not required, try to retrieve it from feed.
|
|
if (isset($form['title'])) {
|
|
$form['title']['#required'] = FALSE;
|
|
}
|
|
|
|
// Enable uploads.
|
|
$form['#attributes']['enctype'] = 'multipart/form-data';
|
|
|
|
// Build form.
|
|
$source = feeds_source($importer_id, empty($form['#node']->nid) ? 0 : $form['#node']->nid);
|
|
$form['feeds'] = array(
|
|
'#type' => 'fieldset',
|
|
'#title' => t('Feed'),
|
|
'#tree' => TRUE,
|
|
'#weight' => 0,
|
|
);
|
|
$form['feeds'] += $source->configForm($form_state);
|
|
$form['#feed_id'] = $importer_id;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_extra_fields().
|
|
*/
|
|
function feeds_field_extra_fields() {
|
|
$extras = array();
|
|
foreach (node_type_get_names() as $type => $name) {
|
|
if (feeds_get_importer_id($type)) {
|
|
$extras['node'][$type]['form']['feeds'] = array(
|
|
'label' => t('Feed'),
|
|
'description' => t('Feeds module form elements'),
|
|
'weight' => 0,
|
|
);
|
|
}
|
|
}
|
|
return $extras;
|
|
}
|
|
|
|
/**
|
|
* Implements hook_features_pipe_COMPONENT_alter() for component "feeds_importer".
|
|
*
|
|
* Automatically adds dependencies when a Feed importer is selected in Features.
|
|
*/
|
|
function feeds_features_pipe_feeds_importer_alter(&$pipe, $data, &$export) {
|
|
foreach ($data as $importer_id) {
|
|
if ($importer = feeds_importer_load($importer_id)) {
|
|
$export['dependencies'] = array_merge($export['dependencies'], $importer->dependencies());
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_system_info_alter().
|
|
*
|
|
* Goes through a list of all modules that provide Feeds plugins and makes them
|
|
* required if there are any importers using those plugins.
|
|
*/
|
|
function feeds_system_info_alter(array &$info, $file, $type) {
|
|
if ($type !== 'module' || !module_hook($file->name, 'feeds_plugins')) {
|
|
return;
|
|
}
|
|
|
|
// Don't make Feeds require itself, otherwise you can't disable Feeds until
|
|
// all importers are deleted.
|
|
if ($file->name === 'feeds' || !function_exists('ctools_include')) {
|
|
return;
|
|
}
|
|
|
|
// Get the plugins that belong to the current module.
|
|
ctools_include('plugins');
|
|
$module_plugins = array();
|
|
foreach (ctools_get_plugins('feeds', 'plugins') as $plugin_id => $plugin) {
|
|
if ($file->name === $plugin['module']) {
|
|
$module_plugins[$plugin_id] = TRUE;
|
|
}
|
|
}
|
|
|
|
// Check if any importers are using any plugins from the current module.
|
|
foreach (feeds_importer_load_all(TRUE) as $importer) {
|
|
|
|
// Skip importers that are defined in code and are provided by the current
|
|
// module. This ensures that modules that define both an importer and a
|
|
// plugin can still be disabled.
|
|
if ($importer->export_type == EXPORT_IN_CODE) {
|
|
$configs = ctools_export_load_object('feeds_importer', 'names', array($importer->id));
|
|
if (isset($configs[$importer->id]) && $configs[$importer->id]->export_module === $file->name) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$configuration = $importer->getConfig();
|
|
|
|
foreach (array('fetcher', 'parser', 'processor') as $plugin_type) {
|
|
$plugin_key = $configuration[$plugin_type]['plugin_key'];
|
|
if (isset($module_plugins[$plugin_key])) {
|
|
$info['required'] = TRUE;
|
|
break 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($info['required'])) {
|
|
return;
|
|
}
|
|
|
|
if (module_exists('feeds_ui') && user_access('administer feeds')) {
|
|
$info['explanation'] = t('Feeds is currently using this module for one or more <a href="@link">importers</a>', array('@link' => url('admin/structure/feeds')));
|
|
}
|
|
else {
|
|
$info['explanation'] = t('Feeds is currently using this module for one or more importers');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_module_implements_alter().
|
|
*/
|
|
function feeds_module_implements_alter(array &$implementations, $hook) {
|
|
if ($hook === 'feeds_processor_targets_alter') {
|
|
// We need two implementations of this hook, so we add one that gets
|
|
// called first, and move the normal one to last.
|
|
$implementations = array('_feeds' => FALSE) + $implementations;
|
|
|
|
// Move normal implementation to last.
|
|
$group = $implementations['feeds'];
|
|
unset($implementations['feeds']);
|
|
$implementations['feeds'] = $group;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_feeds_processor_targets_alter().
|
|
*
|
|
* @see feeds_feeds_processor_targets()
|
|
* @see feeds_feeds_processor_targets_alter()
|
|
*/
|
|
function _feeds_feeds_processor_targets_alter(array &$targets, $entity_type, $bundle) {
|
|
// If hook_feeds_processor_targets() hasn't been called, for instance, by
|
|
// older processors, invoke it ourself.
|
|
if (!drupal_static('feeds_feeds_processor_targets', FALSE)) {
|
|
$targets += module_invoke_all('feeds_processor_targets', $entity_type, $bundle);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_flush_caches().
|
|
*/
|
|
function feeds_flush_caches() {
|
|
// The update to add the table needs to have run. Taken from
|
|
// https://www.drupal.org/node/2511858
|
|
include_once DRUPAL_ROOT . '/includes/install.inc';
|
|
|
|
if (drupal_get_installed_schema_version('feeds') >= 7212) {
|
|
return array('cache_feeds_http');
|
|
}
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @defgroup utility Utility functions
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Loads all importers.
|
|
*
|
|
* @param $load_disabled
|
|
* Pass TRUE to load all importers, enabled or disabled, pass FALSE to only
|
|
* retrieve enabled importers.
|
|
*
|
|
* @return
|
|
* An array of all feed configurations available.
|
|
*/
|
|
function feeds_importer_load_all($load_disabled = FALSE) {
|
|
$feeds = array();
|
|
// This function can get called very early in install process through
|
|
// menu_router_rebuild(). Do not try to include CTools if not available.
|
|
if (function_exists('ctools_include')) {
|
|
ctools_include('export');
|
|
$configs = ctools_export_load_object('feeds_importer', 'all');
|
|
foreach ($configs as $config) {
|
|
if (!empty($config->id) && ($load_disabled || empty($config->disabled))) {
|
|
$feeds[$config->id] = feeds_importer($config->id);
|
|
}
|
|
}
|
|
uasort($feeds, 'feeds_importer_name_sort');
|
|
}
|
|
return $feeds;
|
|
}
|
|
|
|
/**
|
|
* Sorts importers by name.
|
|
*
|
|
* Callback for uasort().
|
|
*
|
|
* @param FeedsImporter $a
|
|
* The first FeedsImporter for comparison.
|
|
* @param FeedsImporter $b
|
|
* The second FeedsImporter for comparison.
|
|
*
|
|
* @return int
|
|
* The comparison result for uasort().
|
|
*/
|
|
function feeds_importer_name_sort(FeedsImporter $a, FeedsImporter $b) {
|
|
return strcasecmp($a->config['name'], $b->config['name']);
|
|
}
|
|
|
|
/**
|
|
* Gets an array of enabled importer ids.
|
|
*
|
|
* @return
|
|
* An array where the values contain ids of enabled importers.
|
|
*/
|
|
function feeds_enabled_importers() {
|
|
return array_keys(_feeds_importer_digest());
|
|
}
|
|
|
|
/**
|
|
* Gets an enabled importer configuration by content type.
|
|
*
|
|
* @param $content_type
|
|
* A node type string.
|
|
*
|
|
* @return
|
|
* A FeedsImporter id if there is an importer for the given content type,
|
|
* FALSE otherwise.
|
|
*/
|
|
function feeds_get_importer_id($content_type) {
|
|
$importers = array_flip(_feeds_importer_digest());
|
|
return isset($importers[$content_type]) ? $importers[$content_type] : FALSE;
|
|
}
|
|
|
|
/**
|
|
* Helper function for feeds_get_importer_id() and feeds_enabled_importers().
|
|
*/
|
|
function _feeds_importer_digest() {
|
|
$importers = &drupal_static(__FUNCTION__);
|
|
if ($importers === NULL) {
|
|
if ($cache = cache_get(__FUNCTION__)) {
|
|
$importers = $cache->data;
|
|
}
|
|
else {
|
|
$importers = array();
|
|
foreach (feeds_importer_load_all() as $importer) {
|
|
$importers[$importer->id] = isset($importer->config['content_type']) ? $importer->config['content_type'] : '';
|
|
}
|
|
cache_set(__FUNCTION__, $importers);
|
|
}
|
|
}
|
|
return $importers;
|
|
}
|
|
|
|
/**
|
|
* Resets importer caches. Call when enabling/disabling importers.
|
|
*/
|
|
function feeds_cache_clear($rebuild_menu = TRUE) {
|
|
cache_clear_all('_feeds_importer_digest', 'cache');
|
|
drupal_static_reset('_feeds_importer_digest');
|
|
cache_clear_all('plugins:feeds:plugins', 'cache');
|
|
ctools_include('export');
|
|
ctools_export_load_object_reset('feeds_importer');
|
|
drupal_static_reset('_node_types_build');
|
|
if ($rebuild_menu) {
|
|
menu_rebuild();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Exports a FeedsImporter configuration to code.
|
|
*/
|
|
function feeds_export($importer_id, $indent = '') {
|
|
ctools_include('export');
|
|
$result = ctools_export_load_object('feeds_importer', 'names', array('id' => $importer_id));
|
|
if (isset($result[$importer_id])) {
|
|
return ctools_export_object('feeds_importer', $result[$importer_id], $indent);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Logs to a file like /tmp/feeds_my_domain_org.log in temporary directory.
|
|
*/
|
|
function feeds_dbg($msg) {
|
|
if (variable_get('feeds_debug', FALSE)) {
|
|
if (!is_string($msg)) {
|
|
$msg = var_export($msg, TRUE);
|
|
}
|
|
$filename = trim(str_replace('/', '_', $_SERVER['HTTP_HOST'] . base_path()), '_');
|
|
$handle = fopen("temporary://feeds_$filename.log", 'a');
|
|
fwrite($handle, gmdate('c') . "\t$msg\n");
|
|
fclose($handle);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Writes to feeds log.
|
|
*/
|
|
function feeds_log($importer_id, $feed_nid, $type, $message, $variables = array(), $severity = WATCHDOG_NOTICE) {
|
|
if ($severity < WATCHDOG_NOTICE) {
|
|
$error = &drupal_static('feeds_log_error', FALSE);
|
|
$error = TRUE;
|
|
}
|
|
db_insert('feeds_log')
|
|
->fields(array(
|
|
'id' => $importer_id,
|
|
'feed_nid' => $feed_nid,
|
|
'log_time' => time(),
|
|
'request_time' => REQUEST_TIME,
|
|
'type' => $type,
|
|
'message' => $message,
|
|
'variables' => serialize($variables),
|
|
'severity' => $severity,
|
|
))
|
|
->execute();
|
|
}
|
|
|
|
/**
|
|
* Loads an item info object.
|
|
*
|
|
* Example usage:
|
|
*
|
|
* $info = feeds_item_info_load('node', $node->nid);
|
|
*/
|
|
function feeds_item_info_load($entity_type, $entity_id) {
|
|
return db_select('feeds_item')
|
|
->fields('feeds_item')
|
|
->condition('entity_type', $entity_type)
|
|
->condition('entity_id', $entity_id)
|
|
->execute()
|
|
->fetchObject();
|
|
}
|
|
|
|
/**
|
|
* Inserts an item info object into the feeds_item table.
|
|
*/
|
|
function feeds_item_info_insert($entity, $entity_id) {
|
|
if (isset($entity->feeds_item)) {
|
|
$entity->feeds_item->entity_id = $entity_id;
|
|
drupal_write_record('feeds_item', $entity->feeds_item);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Inserts or updates an item info object in the feeds_item table.
|
|
*/
|
|
function feeds_item_info_save($entity, $entity_id) {
|
|
if (isset($entity->feeds_item)) {
|
|
$entity->feeds_item->entity_id = $entity_id;
|
|
if (feeds_item_info_load($entity->feeds_item->entity_type, $entity_id)) {
|
|
drupal_write_record('feeds_item', $entity->feeds_item, array('entity_type', 'entity_id'));
|
|
}
|
|
else {
|
|
feeds_item_info_insert($entity, $entity_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @defgroup instantiators Instantiators
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Gets an importer instance.
|
|
*
|
|
* @param $id
|
|
* The unique id of the importer object.
|
|
*
|
|
* @return
|
|
* A FeedsImporter object or an object of a class defined by the Drupal
|
|
* variable 'feeds_importer_class'. There is only one importer object
|
|
* per $id system-wide.
|
|
*/
|
|
function feeds_importer($id) {
|
|
return FeedsConfigurable::instance(variable_get('feeds_importer_class', 'FeedsImporter'), $id);
|
|
}
|
|
|
|
/**
|
|
* Gets an instance of a source object.
|
|
*
|
|
* @param $importer_id
|
|
* A FeedsImporter id.
|
|
* @param $feed_nid
|
|
* The node id of a feed node if the source is attached to a feed node.
|
|
*
|
|
* @return
|
|
* A FeedsSource object or an object of a class defiend by the Drupal
|
|
* variable 'source_class'.
|
|
*/
|
|
function feeds_source($importer_id, $feed_nid = 0) {
|
|
return FeedsSource::instance($importer_id, $feed_nid);
|
|
}
|
|
|
|
/**
|
|
* Gets an instance of a class for a given plugin and id.
|
|
*
|
|
* @param string $plugin
|
|
* A string that is the key of the plugin to load.
|
|
* @param string $id
|
|
* A string that is the id of the object.
|
|
*
|
|
* @return FeedsPlugin
|
|
* A FeedsPlugin object.
|
|
*/
|
|
function feeds_plugin($plugin, $id) {
|
|
ctools_include('plugins');
|
|
|
|
if ($class = ctools_plugin_load_class('feeds', 'plugins', $plugin, 'handler')) {
|
|
return FeedsPlugin::instance($class, $id, ctools_get_plugins('feeds', 'plugins', $plugin));
|
|
}
|
|
|
|
$args = array('%plugin' => $plugin, '@id' => $id);
|
|
if (user_access('administer feeds')) {
|
|
$args['@link'] = url('admin/structure/feeds/' . $id);
|
|
drupal_set_message(t('Missing Feeds plugin %plugin. See <a href="@link">@id</a>. Check whether all required libraries and modules are installed properly.', $args), 'warning', FALSE);
|
|
}
|
|
else {
|
|
drupal_set_message(t('Missing Feeds plugin %plugin. Please contact your site administrator.', $args), 'warning', FALSE);
|
|
}
|
|
|
|
$class = ctools_plugin_load_class('feeds', 'plugins', 'FeedsMissingPlugin', 'handler');
|
|
|
|
return FeedsPlugin::instance($class, $id);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @defgroup include Funtions for loading libraries
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Includes a library file.
|
|
*
|
|
* @param string $file
|
|
* The filename to load from.
|
|
* @param string $library
|
|
* The name of the library. If libraries module is installed,
|
|
* feeds_include_library() will look for libraries with this name managed by
|
|
* libraries module.
|
|
*/
|
|
function feeds_include_library($file, $library) {
|
|
static $included = array();
|
|
|
|
$key = $library . '/' . $file;
|
|
|
|
if (!isset($included[$key])) {
|
|
$included[$key] = FALSE;
|
|
|
|
$library_dir = variable_get('feeds_library_dir', FALSE);
|
|
$feeds_library_path = DRUPAL_ROOT . '/' . drupal_get_path('module', 'feeds') . "/libraries/$file";
|
|
$libraries_path = module_exists('libraries') ? libraries_get_path($library) : FALSE;
|
|
|
|
// Try first whether libraries module is present and load the file from
|
|
// there. If this fails, require the library from the local path.
|
|
if ($libraries_path && is_file("$libraries_path/$file")) {
|
|
require "$libraries_path/$file";
|
|
$included[$key] = TRUE;
|
|
}
|
|
elseif (is_file(DRUPAL_ROOT . '/sites/all/libraries/' . $key)) {
|
|
require DRUPAL_ROOT . '/sites/all/libraries/' . $key;
|
|
$included[$key] = TRUE;
|
|
}
|
|
elseif ($library_dir && is_file($library_dir . '/' . $key)) {
|
|
require $library_dir . '/' . $key;
|
|
$included[$key] = TRUE;
|
|
}
|
|
elseif (is_file($feeds_library_path)) {
|
|
// @todo: Throws "Deprecated function: Assigning the return value of new
|
|
// by reference is deprecated."
|
|
require $feeds_library_path;
|
|
$included[$key] = TRUE;
|
|
}
|
|
}
|
|
|
|
return $included[$key];
|
|
}
|
|
|
|
/**
|
|
* Checks whether a library is present.
|
|
*
|
|
* @param string $file
|
|
* The filename to load from.
|
|
* @param string $library
|
|
* The name of the library. If libraries module is installed,
|
|
* feeds_library_exists() will look for libraries with this name managed by
|
|
* libraries module.
|
|
*/
|
|
function feeds_library_exists($file, $library) {
|
|
$path = module_exists('libraries') ? libraries_get_path($library) : FALSE;
|
|
if ($path && is_file($path . '/' . $file)) {
|
|
return TRUE;
|
|
}
|
|
elseif (is_file(DRUPAL_ROOT . "/sites/all/libraries/$library/$file")) {
|
|
return TRUE;
|
|
}
|
|
elseif (is_file(DRUPAL_ROOT . '/' . drupal_get_path('module', 'feeds') . "/libraries/$file")) {
|
|
return TRUE;
|
|
}
|
|
elseif ($library_dir = variable_get('feeds_library_dir', FALSE)) {
|
|
if (is_file("$library_dir/$library/$file")) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Checks whether simplepie exists.
|
|
*/
|
|
function feeds_simplepie_exists() {
|
|
return (
|
|
feeds_library_exists('autoloader.php', 'simplepie') ||
|
|
feeds_library_exists('simplepie.compiled.php', 'simplepie') ||
|
|
feeds_library_exists('simplepie.mini.php', 'simplepie') ||
|
|
feeds_library_exists('simplepie.inc', 'simplepie')
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Includes the simplepie library.
|
|
*/
|
|
function feeds_include_simplepie() {
|
|
$files = array(
|
|
'autoloader.php',
|
|
'simplepie.mini.php',
|
|
'simplepie.compiled.php',
|
|
'simplepie.inc',
|
|
);
|
|
|
|
foreach ($files as $file) {
|
|
if (feeds_include_library($file, 'simplepie')) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* @deprecated
|
|
*
|
|
* Simplified drupal_alter().
|
|
*
|
|
* - None of that 'multiple parameters by ref' crazyness.
|
|
* - Don't use module_implements() to allow hot including on behalf
|
|
* implementations (see mappers/).
|
|
*
|
|
* @todo This needs to be removed and drupal_alter() used. This is crazy dumb.
|
|
*/
|
|
function feeds_alter($type, &$data) {
|
|
$args = array(&$data);
|
|
$additional_args = func_get_args();
|
|
array_shift($additional_args);
|
|
array_shift($additional_args);
|
|
$args = array_merge($args, $additional_args);
|
|
|
|
$hook = $type . '_alter';
|
|
foreach (module_list() as $module) {
|
|
if (module_hook($module, $hook)) {
|
|
call_user_func_array($module . '_' . $hook, $args);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* Copy of valid_url() that supports the webcal scheme.
|
|
*
|
|
* @see valid_url().
|
|
*
|
|
* @todo Replace with valid_url() when http://drupal.org/node/295021 is fixed.
|
|
*/
|
|
function feeds_valid_url($url, $absolute = FALSE) {
|
|
if ($absolute) {
|
|
return (bool) preg_match("
|
|
/^ # Start at the beginning of the text
|
|
(?:ftp|https?|feed|webcal):\/\/ # Look for ftp, http, https, feed or webcal schemes
|
|
(?: # Userinfo (optional) which is typically
|
|
(?:(?:[\w\.\-\+!$&'\(\)*\+,;=]|%[0-9a-f]{2})+:)* # a username or a username and password
|
|
(?:[\w\.\-\+%!$&'\(\)*\+,;=]|%[0-9a-f]{2})+@ # combination
|
|
)?
|
|
(?:
|
|
(?:[a-z0-9\-\.]|%[0-9a-f]{2})+ # A domain name or a IPv4 address
|
|
|(?:\[(?:[0-9a-f]{0,4}:)*(?:[0-9a-f]{0,4})\]) # or a well formed IPv6 address
|
|
)
|
|
(?::[0-9]+)? # Server port number (optional)
|
|
(?:[\/|\?]
|
|
(?:[|\w#!:\.\?\+=&@$'~*,;\/\(\)\[\]\-]|%[0-9a-f]{2}) # The path and query (optional)
|
|
*)?
|
|
$/xi", $url);
|
|
}
|
|
else {
|
|
return (bool) preg_match("/^(?:[\w#!:\.\?\+=&@$'~*,;\/\(\)\[\]\-]|%[0-9a-f]{2})+$/i", $url);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Registers a feed subscription job for execution on feeds_exit().
|
|
*
|
|
* @param array $job
|
|
* Information about a new job to queue; or if set to NULL (default), leaves
|
|
* the current queued jobs unchanged.
|
|
*
|
|
* @return
|
|
* An array of subscribe jobs to process.
|
|
*
|
|
* @see feeds_exit()
|
|
* @see feeds_get_subscription_jobs()
|
|
*/
|
|
function feeds_set_subscription_job(array $job = NULL) {
|
|
$jobs = &drupal_static(__FUNCTION__, array());
|
|
if (isset($job)) {
|
|
$jobs[] = $job;
|
|
}
|
|
return $jobs;
|
|
}
|
|
|
|
/**
|
|
* Returns the list of queued jobs to be run.
|
|
*
|
|
* @return
|
|
* An array of subscribe jobs to process.
|
|
*
|
|
* @see feeds_set_subscription_job()
|
|
*/
|
|
function feeds_get_subscription_jobs() {
|
|
return feeds_set_subscription_job();
|
|
}
|
|
|
|
/**
|
|
* Implements hook_entity_property_info_alter().
|
|
*/
|
|
function feeds_entity_property_info_alter(&$info) {
|
|
|
|
foreach ($info as $entity_type => $entity_info) {
|
|
$info[$entity_type]['properties']['feed_nid'] = array(
|
|
'label' => 'Feed NID',
|
|
'type' => 'integer',
|
|
'description' => t('Nid of the Feed Node that imported this entity.'),
|
|
'getter callback' => 'feeds_get_feed_nid_entity_callback',
|
|
);
|
|
$info[$entity_type]['properties']['feed_node'] = array(
|
|
'label' => 'Feed node',
|
|
'type' => 'node',
|
|
'description' => t('Feed Node that imported this entity.'),
|
|
'getter callback' => 'feeds_get_feed_nid_entity_callback',
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the feed_nid for an entity for use in entity metadata.
|
|
*/
|
|
function feeds_get_feed_nid_entity_callback($entity, array $options, $name, $entity_type) {
|
|
list($entity_id, , ) = entity_extract_ids($entity_type, $entity);
|
|
|
|
$feed_nid = NULL;
|
|
if ($entity_id) {
|
|
$feed_nid = feeds_get_feed_nid($entity_id, $entity_type);
|
|
if ($feed_nid === FALSE) {
|
|
return NULL;
|
|
}
|
|
}
|
|
// If the entity has no ID (yet) try read the feed nid from the object
|
|
// directly.
|
|
elseif (isset($entity->feeds_item->feed_nid)) {
|
|
$feed_nid = $entity->feeds_item->feed_nid;
|
|
}
|
|
return $feed_nid;
|
|
}
|
|
|
|
/**
|
|
* Implements hook_file_download().
|
|
*/
|
|
function feeds_file_download($uri) {
|
|
$id = db_query("SELECT id FROM {feeds_source} WHERE source = :uri", array(':uri' => $uri))->fetchField();
|
|
|
|
if (!$id) {
|
|
// File is not associated with a feed.
|
|
return;
|
|
}
|
|
|
|
// Get the file record based on the URI. If not in the database just return.
|
|
$files = file_load_multiple(array(), array('uri' => $uri));
|
|
foreach ($files as $item) {
|
|
// Since some database servers sometimes use a case-insensitive comparison
|
|
// by default, double check that the filename is an exact match.
|
|
if ($item->uri === $uri) {
|
|
$file = $item;
|
|
break;
|
|
}
|
|
}
|
|
if (!isset($file)) {
|
|
return;
|
|
}
|
|
|
|
// Check if this file belongs to Feeds.
|
|
$usage_list = file_usage_list($file);
|
|
if (!isset($usage_list['feeds'])) {
|
|
return;
|
|
}
|
|
|
|
if (!feeds_access('import', $id)) {
|
|
// User does not have permission to import this feed.
|
|
return -1;
|
|
}
|
|
|
|
// Return file headers.
|
|
return file_get_content_headers($file);
|
|
}
|
|
|
|
/**
|
|
* Feeds API version.
|
|
*/
|
|
function feeds_api_version() {
|
|
$version = feeds_ctools_plugin_api('feeds', 'plugins');
|
|
return $version['version'];
|
|
}
|