RatingWidget::prepareData

public function prepareData()
{
	$items = array();
	foreach($this->configs as $config)
	{
		/** @var WidgetConfig $config */
		$name = $config->getName();
		if($name === '')
		{
			$name = strval(count($items) + 1);
		}

		$title = $config->getTitle();
		if($title === '')
		{
			$title = $name;
		}

		$this->filter->setExtras($config->getFilterParams());

		$selectField = $config->getSelectField();
		$aggregate = $config->getAggregate();
		$groupField = $this->groupField !== '' ? $this->groupField : $config->getGroupField();

		$sourceSettings = $config->getDataSourceSettings();
		if(!DataSourceFactory::checkSettings($sourceSettings))
		{
			$values = array();
		}
		else
		{
			$source = DataSourceFactory::create($sourceSettings, $this->userID);
			$source->setFilterContextData($this->getFilterContextData());
			//Disable permission check for not found context
			$enablePermissionCheck = $source->getDataContext() === DataContext::FUND
				? $this->enablePermissionCheck : false;

			$source->enablePermissionCheck($enablePermissionCheck);
			$values = $source->getList(
				array(
					'filter' => $this->filter,
					'select' => array(array('name' => $selectField, 'aggregate' => $aggregate)),
					'group' => $groupField,
					'sort' => array(array('name' => $selectField, 'order' => 'desc'))
				)
			);
		}

		$positions = array();
		$key = "{$groupField}_ID";
		$qty = count($values);
		if($this->nomineeID > 0)
		{
			for($i = 0; $i < $qty; $i++)
			{
				$value = $values[$i];
				$curID = isset($value[$key]) ? (int)$value[$key] : 0;
				if($curID !== $this->nomineeID)
				{
					continue;
				}

				if($i > 0)
				{
					if($qty > ($i + 1))
					{
						$positions[] = $this->preparePosition($values, $i - 1, $key, $selectField, $config);
						$positions[] = $this->preparePosition($values, $i, $key, $selectField, $config);
						$positions[] = $this->preparePosition($values, $i + 1, $key, $selectField, $config);
					}
					else
					{
						if($i >= 2)
						{
							$positions[] = $this->preparePosition($values, $i - 2, $key, $selectField, $config);
						}
						$positions[] = $this->preparePosition($values, $i - 1, $key, $selectField, $config);
						$positions[] = $this->preparePosition($values, $i, $key, $selectField, $config);
					}
				}
				else
				{
					$positions[] = $this->preparePosition($values, 0, $key, $selectField, $config);
					if($qty > 1)
					{
						$positions[] = $this->preparePosition($values, 1, $key, $selectField, $config);
						if($qty > 2)
						{
							$positions[] = $this->preparePosition($values, 2, $key, $selectField, $config);
						}
					}
				}
				break;
			}
		}

		if($this->nomineeID <= 0 || empty($positions))
		{
			$qty = min($qty, 3);
			for($i = 0; $i < $qty; $i++)
			{
				$positions[] = $this->preparePosition($values, $i, $key, $selectField, $config);
			}
		}

		$items[] = array(
			'name' => $name,
			'title' => $title,
			'nomineeId' => $this->nomineeID,
			'positions' => $positions
		);
	}

	return array('items' => $items);
}