/**
* Build a query based on the given options
*
* @param array $arrOptions The options array
*
* @return string The query string
*/
public static function find($arrOptions)
{
$objBase = new \DcaExtractor($arrOptions['table']);
if (!$objBase->hasRelations()) {
$strQuery = "SELECT * FROM " . $arrOptions['table'];
} else {
$arrJoins = array();
$arrFields = array($arrOptions['table'] . ".*");
$intCount = 0;
foreach ($objBase->getRelations() as $strKey => $arrConfig) {
// Automatically join the single-relation records
if ($arrConfig['load'] == 'eager' || $arrOptions['eager']) {
if ($arrConfig['type'] == 'hasOne' || $arrConfig['type'] == 'belongsTo') {
++$intCount;
$objRelated = new \DcaExtractor($arrConfig['table']);
foreach (array_keys($objRelated->getFields()) as $strField) {
$arrFields[] = 'j' . $intCount . '.' . $strField . ' AS ' . $strKey . '__' . $strField;
}
$arrJoins[] = " LEFT JOIN " . $arrConfig['table'] . " j{$intCount} ON " . $arrOptions['table'] . "." . $strKey . "=j{$intCount}.id";
}
}
}
// Generate the query
$strQuery = "SELECT " . implode(', ', $arrFields) . " FROM " . $arrOptions['table'] . implode("", $arrJoins);
}
// Where condition
if ($arrOptions['column'] !== null) {
$strQuery .= " WHERE " . (is_array($arrOptions['column']) ? implode(" AND ", $arrOptions['column']) : $arrOptions['table'] . '.' . $arrOptions['column'] . "=?");
}
// Order by
if ($arrOptions['order'] !== null) {
$strQuery .= " ORDER BY " . $arrOptions['order'];
}
return $strQuery;
}
/**
* Return select statement to load product data including multilingual fields
* @param array an array of columns
* @return string
*/
protected static function buildFindQuery(array $arrOptions)
{
$objBase = new \DcaExtractor($arrOptions['table']);
$arrJoins = array();
$arrFields = array($arrOptions['table'] . ".*", "IF(" . $arrOptions['table'] . ".pid>0, parent.type, " . $arrOptions['table'] . ".type) AS type", "'" . str_replace('-', '_', $GLOBALS['TL_LANGUAGE']) . "' AS language");
foreach (Attribute::getMultilingualFields() as $attribute) {
$arrFields[] = "IFNULL(translation.{$attribute}, " . $arrOptions['table'] . ".{$attribute}) AS {$attribute}";
}
foreach (Attribute::getFetchFallbackFields() as $attribute) {
$arrFields[] = "{$arrOptions['table']}.{$attribute} AS {$attribute}_fallback";
}
$arrFields[] = "c.sorting";
$arrJoins[] = " LEFT OUTER JOIN " . \Isotope\Model\ProductCategory::getTable() . " c ON {$arrOptions['table']}.id=c.pid";
$arrJoins[] = " LEFT OUTER JOIN " . $arrOptions['table'] . " translation ON " . $arrOptions['table'] . ".id=translation.pid AND translation.language='" . str_replace('-', '_', $GLOBALS['TL_LANGUAGE']) . "'";
$arrJoins[] = " LEFT OUTER JOIN " . $arrOptions['table'] . " parent ON " . $arrOptions['table'] . ".pid=parent.id";
if ($objBase->hasRelations()) {
$intCount = 0;
foreach ($objBase->getRelations() as $strKey => $arrConfig) {
// Automatically join the single-relation records
if ($arrConfig['load'] == 'eager' || $arrOptions['eager']) {
if ($arrConfig['type'] == 'hasOne' || $arrConfig['type'] == 'belongsTo') {
if (is_array($arrOptions['joinAliases']) && ($key = array_search($arrConfig['table'], $arrOptions['joinAliases'])) !== false) {
$strJoinAlias = $key;
unset($arrOptions['joinAliases'][$key]);
} else {
++$intCount;
$strJoinAlias = 'j' . $intCount;
}
$objRelated = new \DcaExtractor($arrConfig['table']);
foreach (array_keys($objRelated->getFields()) as $strField) {
$arrFields[] = $strJoinAlias . '.' . $strField . ' AS ' . $strKey . '__' . $strField;
}
$arrJoins[] = " LEFT JOIN " . $arrConfig['table'] . " {$strJoinAlias} ON " . $arrOptions['table'] . "." . $strKey . "={$strJoinAlias}.id";
}
}
}
}
// Generate the query
$strQuery = "SELECT " . implode(', ', $arrFields) . " FROM " . $arrOptions['table'] . implode("", $arrJoins);
// Where condition
if (!is_array($arrOptions['column'])) {
$arrOptions['column'] = array($arrOptions['table'] . '.' . $arrOptions['column'] . '=?');
}
// The model must never find a language record
$strQuery .= " WHERE {$arrOptions['table']}.language='' AND " . implode(" AND ", $arrOptions['column']);
// Group by
if ($arrOptions['group'] !== null) {
$strQuery .= " GROUP BY " . $arrOptions['group'];
}
// Order by
if ($arrOptions['order'] !== null) {
$strQuery .= " ORDER BY " . $arrOptions['order'];
}
return $strQuery;
}
/**
* Return a model or collection based on the database result type
*
* @param array $arrOptions
*
* @return \Model|\Model\Collection|null
*/
protected static function find(array $arrOptions)
{
if (static::$strTable == '') {
return null;
}
// if find() method is called in a specific model type, results must be of that type
if (($strType = array_search(get_called_class(), static::getModelTypes())) !== false) {
// Convert to array if necessary
$arrOptions['value'] = (array) $arrOptions['value'];
if (!is_array($arrOptions['column'])) {
$arrOptions['column'] = array(static::$strTable . '.' . $arrOptions['column'] . '=?');
}
$objRelations = new \DcaExtractor(static::$strTable);
$arrRelations = $objRelations->getRelations();
$arrFields = $objRelations->getFields();
// @deprecated use string instead of array for HAVING (introduced in Contao 3.3)
if (!empty($arrOptions['having']) && is_array($arrOptions['having'])) {
$arrOptions['having'] = implode(' AND ', $arrOptions['having']);
}
if (isset($arrRelations['type'])) {
$arrOptions['having'] = (empty($arrOptions['having']) ? '' : ' AND ') . 'type IN (SELECT ' . $arrRelations['type']['field'] . ' FROM ' . $arrRelations['type']['table'] . ' WHERE class=?)';
$arrOptions['value'][] = $strType;
} elseif (isset($arrFields['type'])) {
$arrOptions['having'] = (empty($arrOptions['having']) ? '' : ' AND ') . 'type=?';
$arrOptions['value'][] = $strType;
}
}
$arrOptions['table'] = static::$strTable;
// @deprecated use static::buildFindQuery once we drop BC support for buildQueryString
$strQuery = static::buildQueryString($arrOptions);
$objStatement = \Database::getInstance()->prepare($strQuery);
// Defaults for limit and offset
if (!isset($arrOptions['limit'])) {
$arrOptions['limit'] = 0;
}
if (!isset($arrOptions['offset'])) {
$arrOptions['offset'] = 0;
}
// Limit
if ($arrOptions['limit'] > 0 || $arrOptions['offset'] > 0) {
$objStatement->limit($arrOptions['limit'], $arrOptions['offset']);
}
$objStatement = static::preFind($objStatement);
$objResult = $objStatement->execute($arrOptions['value']);
if ($objResult->numRows < 1) {
return null;
}
$objResult = static::postFind($objResult);
if ($arrOptions['return'] == 'Model') {
// @deprecated use static::createModelFromDbResult once we drop BC support for buildModelType
return static::buildModelType($objResult);
} else {
return static::createCollectionFromDbResult($objResult, static::$strTable);
}
}
/**
* Create the DCA extract cache files
*/
public function generateDcaExtracts()
{
$included = array();
$arrExtracts = array();
// Only check the active modules (see #4541)
foreach (\ModuleLoader::getActive() as $strModule) {
$strDir = 'system/modules/' . $strModule . '/dca';
if (!is_dir(TL_ROOT . '/' . $strDir)) {
continue;
}
foreach (scan(TL_ROOT . '/' . $strDir) as $strFile) {
// Ignore non PHP files and files which have been included before
if (strncmp($strFile, '.', 1) === 0 || substr($strFile, -4) != '.php' || in_array($strFile, $included)) {
continue;
}
$strTable = substr($strFile, 0, -4);
$objExtract = new \DcaExtractor($strTable);
if ($objExtract->isDbTable()) {
$arrExtracts[$strTable] = $objExtract;
}
$included[] = $strFile;
}
}
// Create one file per table
foreach ($arrExtracts as $strTable => $objExtract) {
// Create the file
$objFile = new \File('system/cache/sql/' . $strTable . '.php', true);
$objFile->write("<?php\n\n");
// Meta
$arrMeta = $objExtract->getMeta();
$objFile->append("\$this->arrMeta = array\n(");
$objFile->append("\t'engine' => '{$arrMeta['engine']}',");
$objFile->append("\t'charset' => '{$arrMeta['charset']}',");
$objFile->append(');', "\n\n");
// Fields
$arrFields = $objExtract->getFields();
$objFile->append("\$this->arrFields = array\n(");
foreach ($arrFields as $field => $sql) {
$sql = str_replace('"', '\\"', $sql);
$objFile->append("\t'{$field}' => \"{$sql}\",");
}
$objFile->append(');', "\n\n");
// Order fields
$arrFields = $objExtract->getOrderFields();
$objFile->append("\$this->arrOrderFields = array\n(");
foreach ($arrFields as $field) {
$objFile->append("\t'{$field}',");
}
$objFile->append(');', "\n\n");
// Keys
$arrKeys = $objExtract->getKeys();
$objFile->append("\$this->arrKeys = array\n(");
foreach ($arrKeys as $field => $type) {
$objFile->append("\t'{$field}' => '{$type}',");
}
$objFile->append(');', "\n\n");
// Relations
$arrRelations = $objExtract->getRelations();
$objFile->append("\$this->arrRelations = array\n(");
foreach ($arrRelations as $field => $config) {
$objFile->append("\t'{$field}' => array\n\t(");
foreach ($config as $k => $v) {
$objFile->append("\t\t'{$k}' => '{$v}',");
}
$objFile->append("\t),");
}
$objFile->append(');', "\n\n");
// Set the database table flag
$objFile->append("\$this->blnIsDbTable = true;", "\n");
// Close the file (moves it to its final destination)
$objFile->close();
}
// Add a log entry
$this->log('Generated the DCA extracts', __METHOD__, TL_CRON);
}
