groups/modules/commons/commons_follow/commons_follow_term/commons_follow_term.module

76 lines
2.1 KiB
Plaintext

<?php
/**
* @file
* Code for the Commons Follow (Taxonomy terms) feature.
*/
include_once 'commons_follow_term.features.inc';
/**
* Implements hook_commons_follow_get_nids().
*/
function commons_follow_term_commons_follow_get_nids($account, $options) {
// Get all flaggings from flags that belong to Message-subscribe, that
// reference the taxonomy-term entity-type.
$flag_ids = commons_follow_get_subscription_flags_ids('taxonomy_term');
if (empty($flag_ids)) {
return array();
}
// Get user's flagged terms.
$query = db_select('flagging', 'f');
$result = $query
->condition('fid', $flag_ids, 'IN')
->condition('uid', $account->uid, '=')
->condition('entity_type', 'taxonomy_term', '=')
->fields('f',array('entity_id'))
->execute()
->fetchAll();
if (empty($result)) {
// No term flags.
return array();
}
$tids = array();
foreach($result as $row) {
$tids[] = (integer) $row->entity_id;
}
// Get IDs of nodes tagged by the specified terms.
$query = db_select('taxonomy_index', 't');
if (!empty($options['range'])) {
$query->range(0, $options['range']);
}
$result = $query
->addTag('node_access')
->condition('tid', $tids, 'IN')
->fields('t',array('nid'))
->groupBy('nid')
->execute()
->fetchAll();
// Return the node IDs.
$nids = array();
foreach($result as $row) {
$nids[] = (integer) $row->nid;
}
return $nids;
}
/**
* Implements hook_commons_follow_get_message_ids().
*/
function commons_follow_term_commons_follow_get_message_ids(&$followed_mids, $followed_content = array()) {
// Generate a list of message IDs where the target nodes are followed by
// the current user.
$result = db_query("SELECT m.mid AS mid FROM {message} m INNER JOIN {field_data_field_target_nodes} tn ON m.mid=tn.entity_id INNER JOIN {field_data_field_topics} ft ON ft.entity_id=tn.field_target_nodes_target_id WHERE ft.field_topics_tid IN (:tids) AND tn.entity_type = 'node'", array(':tids' => array_values($followed_content['commons_follow_term'])));
foreach ($result as $this_result) {
$followed_mids[] = $this_result->mid;
}
}