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<?php
/**
* This file is part of MetaModels/core.
*
* (c) 2012-2020 The MetaModels team.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* This project is provided in good faith and hope to be usable by anyone.
*
* @package MetaModels/core
* @author Christian Schiffler <c.schiffler@cyberspectrum.de>
* @author David Molineus <david.molineus@netzmacht.de>
* @author Sven Baumann <baumann.sv@gmail.com>
* @author Ingolf Steinhardt <info@e-spin.de>
* @copyright 2012-2020 The MetaModels team.
* @license https://github.com/MetaModels/core/blob/master/LICENSE LGPL-3.0-or-later
* @filesource
*/
namespace MetaModels\ViewCombination;
use Contao\StringUtil;
use Doctrine\DBAL\Connection;
use MetaModels\IFactory;
use MetaModels\IMetaModel;
/**
* This class obtains information from the database about input screens.
*/
class InputScreenInformationBuilder
{
/**
* The database connection.
*
* @var Connection
*/
private $connection;
/**
* The MetaModels factory.
*
* @var IFactory
*/
private $factory;
/**
* Create a new instance.
*
* @param Connection $connection The database connection.
* @param IFactory $factory The MetaModels factory.
*/
public function __construct(Connection $connection, IFactory $factory)
{
$this->connection = $connection;
$this->factory = $factory;
}
/**
* Fetch information about an input screen.
*
* @param array $idList The ids of the input screens to obtain (table name => id).
*
* @return array
*/
public function fetchInputScreens($idList): array
{
$idList = array_filter($idList);
$builder = $this->connection->createQueryBuilder();
$screens = $builder
->select('d.*')
->from('tl_metamodel_dca', 'd')
->leftJoin('d', 'tl_metamodel', 'm', 'm.id=d.pid')
->where($builder->expr()->in('d.id', ':idList'))
->setParameter('idList', $idList, Connection::PARAM_STR_ARRAY)
->orderBy('m.sorting')
->execute()
->fetchAll(\PDO::FETCH_ASSOC);
$result = [];
$keys = array_flip($idList);
foreach ($screens as $screen) {
$metaModelName = $keys[$screen['id']];
$result[$metaModelName] = $this->prepareInputScreen($metaModelName, $screen);
}
return $result;
}
/**
* Prepare the input screen data.
*
* @param string $modelName The MetaModel name.
* @param array $screen The screen meta data.
*
* @return array
*
* @throws \InvalidArgumentException When the MetaModel can not be retrieved.
*/
private function prepareInputScreen($modelName, $screen): array
{
if (null === $metaModel = $this->factory->getMetaModel($modelName)) {
throw new \InvalidArgumentException('Could not retrieve MetaModel ' . $modelName);
}
$caption = ['' => $metaModel->getName()];
$description = ['' => $metaModel->getName()];
foreach (StringUtil::deserialize($screen['backendcaption'], true) as $languageEntry) {
$langCode = $languageEntry['langcode'];
$caption[$langCode] = !empty($label = $languageEntry['label']) ? $label : $caption[''];
$description[$langCode] = !empty($title = $languageEntry['description']) ? $title : $description[''];
if ($metaModel->getFallbackLanguage() === $langCode) {
$caption[''] = $label;
$description[''] = $title;
}
}
$result = [
'meta' => $screen,
'properties' => $this->fetchPropertiesFor($screen['id'], $metaModel),
'conditions' => $this->fetchConditions($screen['id']),
'groupSort' => $this->fetchGroupSort($screen['id'], $metaModel),
'label' => $caption,
'description' => $description
];
$bySetting = $this->buildConditionTree($result['conditions']);
$result['legends'] = $this->convertLegends($result['properties'], $metaModel, $bySetting);
return $result;
}
/**
* Build condition tree.
*
* @param array $conditions The condition information.
*
* @return array
*/
private function buildConditionTree(array $conditions): array
{
// Build condition tree.
$conditionMap = [];
$bySetting = [];
foreach ($conditions as $condition) {
unset($converted);
// Check if already mapped, if so, we need to set the values.
if (array_key_exists($condition['id'], $conditionMap)) {
$converted = &$conditionMap[$condition['id']];
foreach ($condition as $key => $value) {
$converted[$key] = $value;
}
} else {
$converted = \array_slice($condition, 0);
$conditionMap[$condition['id']] = &$converted;
}
// Is on root level - add to setting now.
if (empty($condition['pid'])) {
$bySetting[$condition['settingId']][] = &$converted;
continue;
}
// Is a child, check if parent already added.
if (!isset($conditionMap[$condition['pid']])) {
$temp = ['children' => []];
$conditionMap[$condition['pid']] = &$temp;
}
// Add child to parent now.
$conditionMap[$condition['pid']]['children'][] = &$converted;
}
return $bySetting;
}
/**
* Fetch all properties for the passed input screen.
*
* @param string $inputScreenId The input screen to obtain properties for.
* @param IMetaModel $metaModel The MetaModel to fetch properties for.
*
* @return array
*/
private function fetchPropertiesFor($inputScreenId, IMetaModel $metaModel): array
{
$builder = $this->connection->createQueryBuilder();
return array_map(function ($column) use ($inputScreenId, $metaModel) {
if ('attribute' !== $column['dcatype']) {
return $column;
}
if (!($attribute = $metaModel->getAttributeById($column['attr_id']))) {
// @codingStandardsIgnoreStart
@trigger_error(
'Unknown attribute "' . $column['attr_id'] . '" in input screen "' . $inputScreenId . '"',
E_USER_WARNING
);
// @codingStandardsIgnoreEnd
return $column;
}
$column = array_merge(
$column,
$attribute->getFieldDefinition($column),
['col_name' => $attribute->getColName()]
);
return $column;
}, $builder
->select('*')
->from('tl_metamodel_dcasetting')
->where('pid=:pid')
->andWhere('published=:published')
->setParameter('pid', $inputScreenId)
->setParameter('published', 1)
->orderBy('sorting')
->execute()
->fetchAll(\PDO::FETCH_ASSOC));
}
/**
* Fetch conditions for an input screen.
*
* @param string $inputScreenId The input screen to obtain conditions for.
*
* @return array
*/
private function fetchConditions($inputScreenId): array
{
$builder = $this->connection->createQueryBuilder();
return $builder
->select('cond.*', 'setting.attr_id AS setting_attr_id')
->from('tl_metamodel_dcasetting_condition', 'cond')
->leftJoin('cond', 'tl_metamodel_dcasetting', 'setting', 'cond.settingId=setting.id')
->leftJoin('setting', 'tl_metamodel_dca', 'dca', 'setting.pid=dca.id')
->where('cond.enabled=1')
->andWhere('setting.published=1')
->andWhere('dca.id=:screenId')
->setParameter('screenId', $inputScreenId)
->orderBy('pid')
->addOrderBy('sorting')
->execute()
->fetchAll(\PDO::FETCH_ASSOC);
}
/**
* Fetch groupings for an input screen.
*
* @param string $inputScreenId The input screen to obtain properties for.
* @param IMetaModel $metaModel The MetaModel to fetch properties for.
*
* @return array
*/
private function fetchGroupSort($inputScreenId, IMetaModel $metaModel): array
{
$builder = $this->connection->createQueryBuilder();
return array_map(function ($information) use ($inputScreenId, $metaModel) {
$information['isdefault'] = (bool) $information['isdefault'];
$information['ismanualsort'] = (bool) $information['ismanualsort'];
$information['rendergrouplen'] = (int) $information['rendergrouplen'];
if ($information['ismanualsort']) {
$information['rendergrouptype'] = 'none';
}
if (!empty($information['rendersortattr'])) {
if (!($attribute = $metaModel->getAttributeById($information['rendersortattr']))) {
// @codingStandardsIgnoreStart
@trigger_error(
sprintf(
'Unknown attribute "%1$s" in group sorting "%2$s.%3$s"',
$information['rendersortattr'],
$inputScreenId,
$information['id']
),
E_USER_WARNING
);
// @codingStandardsIgnoreEnd
return $information;
}
$information['col_name'] = $attribute->getColName();
}
return $information;
}, $builder
->select('*')
->from('tl_metamodel_dca_sortgroup')
->where('pid=:screenId')
->setParameter('screenId', $inputScreenId)
->orderBy('sorting')
->execute()
->fetchAll(\PDO::FETCH_ASSOC));
}
/**
* Convert property list to legend list.
*
* @param array $properties The property and legend information.
* @param IMetaModel $metaModel The MetaModel to fetch properties for.
*
* @param array $conditions The conditions for the entries.
*
* @return array
*/
private function convertLegends(array $properties, IMetaModel $metaModel, array $conditions): array
{
$result = [];
$label = [];
if ($trans = $metaModel->isTranslated()) {
foreach ($metaModel->getAvailableLanguages() as $availableLanguage) {
$label[$availableLanguage] = $metaModel->getName();
}
} else {
$label['default'] = $metaModel->getName();
}
$legend = [
'label' => $label,
'hide' => false,
'properties' => []
];
$condition = function ($property) use ($conditions) {
if (!isset($conditions[$property['id']])) {
return null;
}
return [
'type' => 'conditionand',
'children' => $conditions[$property['id']]
];
};
$fallbackLanguage = $trans ? $metaModel->getFallbackLanguage() : null;
foreach ($properties as $property) {
switch ($property['dcatype']) {
case 'legend':
$this->convertLegend($property, $fallbackLanguage, $condition, $legend, $result);
break;
case 'attribute':
$this->convertAttribute($property, $condition, $legend);
break;
default:
break;
}
}
if (!empty($legend['properties'])) {
$result['legend' . (\count($result) + 1)] = $legend;
}
return $result;
}
/**
* Convert a legend property.
*
* @param array $property The property information to convert.
* @param string|null $fallback The fallback language if the MetaModel is translated or null otherwise.
* @param callable $condition The condition transformer.
* @param array $legend The current legend information.
* @param array $result The resulting information.
*
* @return void
*/
private function convertLegend(array $property, ?string $fallback, $condition, array &$legend, array &$result)
{
if (!empty($legend['properties'])) {
$result['legend' . (\count($result) + 1)] = $legend;
}
if (null === $fallback) {
$label = ['default' => $property['legendtitle']];
} else {
$label = unserialize($property['legendtitle'], ['allowed_classes' => false]);
$label['default'] = $label[$fallback];
}
$legend = [
'label' => $label,
'hide' => (bool) $property['legendhide'],
'properties' => [],
'condition' => $condition($property)
];
}
/**
* Convert an attribute property.
*
* @param array $property The property information to convert.
* @param callable $condition The condition transformer.
* @param array $legend The current legend information.
*
* @return void
*/
private function convertAttribute(array $property, $condition, array &$legend)
{
if (!isset($property['col_name'])) {
return;
}
$legend['properties'][] = [
'name' => $property['col_name'],
'condition' => $condition($property)
];
}
}

vendor/metamodels/core/src/ViewCombination/InputScreenInformationBuilder.php line 104