/**
* Overrides \RestfulDataProviderDbQuery::getQuery().
*
* Join with the terms table.
*/
protected function getQuery() {
$query = parent::getQuery();
// Add a node access tag.
$query->addTag('node_access');
$query->innerJoin('users', 'user', 'node.uid = user.uid');
// Explicitly set the alias of the column, so it will match the public field
// name.
$query->addField('user', 'name', 'name');
return $query;
}
/**
* {@inheritdoc}
*/
public function getQuery()
{
$query = parent::getQuery();
// Add a query for meter_category.
$field = field_info_field('field_group_node');
$table_name = _field_sql_storage_tablename($field);
$request = $this->getRequest();
$query->leftJoin($table_name, 'gn', "message.mid = gn.entity_id AND gn.entity_type='message'");
$query->innerJoin('field_data_field_node', 'fn', "message.mid = fn.entity_id AND fn.entity_type='message'");
$query->innerJoin('node', 'node', "fn.field_node_target_id = node.nid");
// Show only publish content in active stream.
$query->condition('node.status', 1);
if (!empty($request['topics'])) {
// Join related to Articles tables to get V&V activities with user's
// topics of interest.
$query->innerJoin('field_data_c4m_vocab_topic', 'crt', "node.nid = crt.entity_id AND crt.entity_type='node'");
}
$query->addField('gn', 'field_group_node_target_id', 'group_node');
if (!empty($request['group'])) {
if (empty($request['hide_articles'])) {
$or = db_or();
$or->condition('gn.field_group_node_target_id', $request['group'], is_array($request['group']) ? 'IN' : '=');
if (!empty($request['topics'])) {
$and = db_and();
$and->isNull('gn.field_group_node_target_id');
$and->condition('node.type', 'article');
$and->condition('crt.c4m_vocab_topic_tid', $request['topics'], is_array($request['topics']) ? 'IN' : '=');
$or->condition($and);
} else {
$or->isNull('gn.field_group_node_target_id');
}
$query->condition($or);
} else {
$query->condition('gn.field_group_node_target_id', $request['group'], is_array($request['group']) ? 'IN' : '=');
}
}
$query->addTag('activity_stream_entity_field_access');
return $query;
}
/**
* Override RestfulBase::parseRequestForListFilter.
*
* Modify the filter for meter-category to catch all the electricity
* entities that belong to the given meter-category, or any of its
* children. E.g., if a meter-category of educational-buildings is given,
* catch all the entities that belong to schools or kindergartens as well.
*
* @return array
* Modified filters array.
*/
protected function parseRequestForListFilter()
{
$filters = parent::parseRequestForListFilter();
// Modify meter category filter
foreach ($filters as &$filter) {
// Not meter-category, skip.
if ($filter['public_field'] != 'meter_category') {
continue;
}
// Modify the filter to find entities with meter-category as given
// in the filter, or any of its children
$term_ids = array();
foreach ($filter['value'] as $term_id) {
$term = taxonomy_term_load($term_id);
// Get meter category list of children.
$tree = taxonomy_get_tree($term->vid, $term_id);
// The category itself is not in the tree, add it manually.
$term_ids[$term_id] = $term_id;
// Add all terms in the tree to term-ids.
foreach ($tree as $term) {
$term_ids[$term->tid] = $term->tid;
}
}
// Modify the filter to find all entities with meter-category in the set
// we just found.
$filter['value'] = $term_ids;
$filter['operator'][0] = 'IN';
}
return $filters;
}
