public function readElements(\SimplOn\Elements\Element &$element, $returnAs = 'array')
{
/*
* Reads the storage "table" for each class, usually it's the same
* as the class name but could be otherwise (any class may use
* any storage if wanted)
*/
$storages = is_array($element->storage()) ? $element->storage() : array($element->getClass() => $element->storage());
/*
* Select only the readable elements
*/
foreach ($element->processData('doRead') as $dataInfo) {
foreach ($dataInfo as $fieldInfo) {
$fields[] = $fieldInfo[0];
}
}
/*
*
*/
foreach ($storages as $class => $storage) {
$storage_fields = $fields;
// id as id, 'id' as field_id, 'fe' as storage
$addFields = '"' . strtr($class, array('\\' => '\\\\')) . '" as `SimplOn_class`, ' . '"' . $element->field_id() . '" as `SimplOn_field_id`, ' . '"' . $element->field_id() . '" as `SimplOn_id`, ' . '"' . $element->field_id() . '", `';
$where = $this->filterCriteria($element);
$selects[] = '(SELECT ' . $addFields . implode('`, `', $storage_fields) . '` FROM ' . $storage . ' ' . ($where ? 'WHERE ' . $where : '') . ')';
}
// @todo: where and order by (and limit)
$query_string = implode("\n" . ' UNION ', $selects) . '
ORDER BY SimplOn_id desc
';
$query = $this->db->prepare($query_string);
// Obtains values
$values = $this->obtainValues($element, $query_string);
// Executes the query and returns the results
$query->execute($values);
/**
* Example:
* $array_of_datas = array(
* array(
* 'SimplOn_class' => 'Home',
* 'SimplOn_field_id' => 'id',
* 'SimplOn_id' => 1,
* 'id' => 1,
* ...
* ),
* ...
* );
*/
$array_of_datas = $query->fetchAll();
switch ($returnAs) {
case 'array':
$return = $array_of_datas;
break;
case 'Elements':
$return = array();
foreach ($array_of_datas as $datas) {
$return[] = new $datas['SimplOn_class']($datas);
}
break;
default:
//trigger error
}
return $return;
}
function countElements(\SimplOn\Elements\Element &$element, $group = null)
{
if (isset($group)) {
$group = implode(',', $group);
}
$storages = is_array($element->storage()) ? $element->storage() : array($element->getClass() => $element->storage());
foreach ($element->processData('doRead') as $dataInfo) {
foreach ($dataInfo as $fieldInfo) {
$fields[] = $fieldInfo[0];
}
}
foreach ($storages as $class => $storage) {
$storage_fields = $fields;
$addFields = '"' . strtr($class, array('\\' => '\\\\')) . '" as `SimplOn_class`, ' . '"' . $element->field_id() . '" as `SimplOn_field_id`, ' . '"' . $element->field_id() . '" as `SimplOn_id`, ' . '"' . $element->field_id() . '", ';
$where = $this->filterCriteria($element);
$selects[] = '(SELECT ' . $addFields . implode(', ', $storage_fields) . ' FROM ' . $storage . ' ' . ($where ? 'WHERE ' . $where : '') . ' ' . ($group ? 'GROUP BY ' . $group : '') . ')';
}
$query_string = implode("\n" . ' UNION ', $selects) . 'ORDER BY SimplOn_id desc';
$query = $this->db->prepare($query_string);
$values = $this->obtainValues($element, $query_string);
$query->execute($values);
$results = $query->fetchAll();
$totalRecords = sizeof($results);
return $totalRecords;
}