FrxDrupal.inc in Forena Reports 7.3
Same filename and directory in other branches
Provides data blocks for native drupal connections using the default drupal connections.
File
plugins/FrxDrupal.incView source
<?php
/**
* @file
* Provides data blocks for native drupal connections using the default
* drupal connections.
*
*/
class FrxDrupal extends FrxDataSource {
/**
* Implements hooks into the drupal applications
*/
private $database = 'default';
/**
* Object constructor
*
* @param unknown_type $uri Database connection string.
* @param string $repos_path Path to location of data block definitions
*/
public function __construct($conf, $repos_path, $name) {
parent::__construct($conf, $repos_path, $name);
if (@$conf['database'] && @$conf['database'] != 'default') {
$this->database = $conf['database'];
}
// Set up the stuff required to translate.
$this->te = new FrxSyntaxEngine(FRX_SQL_TOKEN, ':', $this);
}
/**
* Get data based on file data block in the repository.
*
* @param String $block_name
* @param Array $parm_data
* @param Query $subQuery
*/
public function sqlData($sql, $options = array()) {
if ($this->database != 'default') {
db_set_active($this->database);
}
// Load the types array based on data
$this->types = isset($options['type']) ? $options['type'] : array();
// Load the block from the file
$xml = '';
$sql = $this->te
->replace($sql);
$rs = db_query($sql);
$entity_map = array();
$select_fields = array();
$rownum = 0;
$xml = new SimpleXMLElement('<table/>');
if ($rs && $rs
->columnCount()) {
foreach ($rs as $data) {
$rownum++;
$row_node = $xml
->addChild('row');
$row_node['num'] = $rownum;
/* If we are querying entities, we will store away IDs
* for later querying and XML processing in the
* loadEntitys method
*/
if (@$options['entity_type'] && @$options['entity_id']) {
$id_key = $options['entity_id'];
$type = $options['entity_type'];
$id = $data->{$id_key};
if ($id) {
$entity_map[$id] = $row_node;
$select_fields[$id] = $data;
}
}
else {
foreach ($data as $key => $value) {
$row_node
->addChild($key, htmlspecialchars($value));
//$row_node->$key = $value;
}
}
}
}
if ($this->database != 'default') {
db_set_active();
}
if ($entity_map) {
$this
->loadEntities($type, $entity_map, $select_fields);
}
if ($this->debug) {
$d = $xml ? htmlspecialchars($xml
->asXML()) : '';
$this
->debug('SQL: ' . $sql, '<pre> SQL:' . $sql . "\n XML: " . $d . "\n</pre>");
}
return $xml;
}
/**
* Perform a bulk load of entities 100 at a time and then join data back onto the simplexml already created.
* @param $type Type of entity being loaded.
* @param $entity_map Map of entity ids to nodes.
*/
private function loadEntities($type, $entity_map, $select_fields) {
// Do these 100 at a time for performance reasons
$chunks = array_chunk($entity_map, 100, TRUE);
foreach ($chunks as $chunk) {
$ids = array_keys($chunk);
$data = entity_load($type, $ids);
if ($data) {
foreach ($data as $id => $e) {
// Get node permissions
$access = $type == 'node' ? node_access('view', $e) : TRUE;
if (isset($entity_map[$id])) {
$row_node = $entity_map[$id];
$lang = isset($e->language) ? $e->language : 'und';
// remove elements we don't have access to
if (!$access) {
unset($row_node[0]);
}
else {
foreach ($e as $key => $val) {
if ($val) {
if (strpos($key, 'field_') === 0) {
//$fields = field_get_items('node', $node, $key);
$field = field_view_field($type, $e, $key);
$field['#theme'] = array(
'forena_inline_field',
);
$value = drupal_render($field);
$f = $row_node
->addChild($key, $value);
if (isset($field['#field_type'])) {
$f['type'] = $field['#field_type'];
}
if (isset($field['#field_name'])) {
$f['name'] = $field['#field_name'];
}
}
else {
if (is_array($val) && isset($val[$lang])) {
$tmp = $val[$lang][0];
if (isset($tmp['safe_value'])) {
$row_node
->addChild($key, $tmp['safe_value']);
}
else {
if (isset($tmp['value'])) {
$row_node
->addChild($key, $tmp['value']);
}
}
}
else {
if (is_array($val) && isset($val['und'])) {
$tmp = $val['und'][0];
if (isset($tmp['safe_value'])) {
$row_node
->addChild($key, $tmp['safe_value']);
}
else {
if (isset($tmp['value'])) {
$row_node
->addChild($key, $tmp['value']);
}
}
}
else {
if (is_scalar($val)) {
$row_node
->addChild($key, $val);
}
}
}
}
}
}
// Now add on select fields
if ($select_fields[$id]) {
foreach ($select_fields[$id] as $key => $val) {
if (!isset($row_node->{$key})) {
$row_node
->addChild($key, $val);
}
}
}
}
}
}
}
}
}
/**
* Implement custom SQL formatter to make sure that strings are properly escaped.
* Ideally we'd replace this with something that handles prepared statements, but it
* wouldn't work for
*
* @param unknown_type $value
* @param unknown_type $key
* @param unknown_type $data
*/
public function format($value, $key) {
$db = Database::getConnection('default');
$value = $this
->parmConvert($key, $value);
if ($db) {
if ($value === '' || $value === NULL) {
$value = 'NULL';
}
else {
if (is_array($value)) {
if ($value == array()) {
$value = 'NULL';
}
else {
// Build a array of values string
$i = 0;
$val = '';
foreach ($value as $v) {
$i++;
if ($i > 1) {
$val .= ',';
}
$val .= $db
->quote($v);
}
$value = $val;
}
}
elseif (is_int($value)) {
$value = (int) $value;
$value = (string) $value;
}
elseif (is_float($value)) {
$value = (double) $value;
$value = (string) $value;
}
else {
$value = trim($value);
$value = $db
->quote($value);
}
}
}
return $value;
}
}