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<?php |
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namespace Maphper\DataSource; |
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class DatabaseCrud { |
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private $crudBuilder; |
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private $whereBuilder; |
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private $adapter; |
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private $databaseModify; |
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private $databaseSelect; |
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private $table; |
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private $primaryKey; |
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public function __construct(DatabaseAdapter $adapter, DatabaseModify $databaseModify, DatabaseSelect $databaseSelect, $table, $primaryKey) { |
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$this->adapter = $adapter; |
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$this->databaseModify = $databaseModify; |
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$this->databaseSelect = $databaseSelect; |
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$this->crudBuilder = new \Maphper\Lib\CrudBuilder(); |
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$this->whereBuilder = new \Maphper\Lib\Sql\WhereBuilder(); |
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$this->table = $table; |
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$this->primaryKey = $primaryKey; |
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} |
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public function deleteById($id) { |
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$this->adapter->query($this->crudBuilder->delete($this->table, [$this->primaryKey[0] . ' = :id'], [':id' => $id], 1)); |
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$this->databaseSelect->deleteIDFromCache($id); |
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} |
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public function deleteByField(array $fields, array $options = []) { |
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$query = $this->whereBuilder->createSql($fields); |
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$this->adapter->query($this->crudBuilder->delete($this->table, $query['sql'], $query['args'], $options['limit'], null, $options['order'])); |
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$this->databaseModify->addIndex(array_keys($query['args'])); |
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//Clear the cache |
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$this->databaseSelect->clearIDCache(); |
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$this->databaseSelect->clearResultCache(); |
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} |
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private function getIfNew($data) { |
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$new = false; |
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foreach ($this->primaryKey as $k) { |
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if (empty($data->$k)) { |
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$data->$k = null; |
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$new = true; |
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} |
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} |
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return $new; |
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} |
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public function save($data, $tryagain = true) { |
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$new = $this->getIfNew($data); |
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try { |
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$result = $this->insert($this->table, $this->primaryKey, $data); |
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//If there was an error but PDO is silent, trigger the catch block anyway |
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if ($result->errorCode() !== '00000') throw new \Exception('Could not insert into ' . $this->table); |
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} |
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catch (\Exception $e) { |
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if (!$this->databaseModify->getTryInsertAgain($tryagain)) throw $e; |
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$this->adapter->alterDatabase($this->table, $this->primaryKey, $data); |
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$this->save($data, false); |
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} |
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$this->updatePK($data, $new); |
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//Something has changed, clear any cached results as they may now be incorrect |
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$this->databaseSelect->clearResultCache(); |
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$this->databaseSelect->updateCache($data, $data->{$this->primaryKey[0]}); |
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} |
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private function updatePK($data, $new) { |
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if ($new && count($this->primaryKey) == 1) $data->{$this->primaryKey[0]} = $this->adapter->lastInsertId(); |
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} |
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private function checkIfUpdateWorked($data) { |
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$updateWhere = $this->whereBuilder->createSql($data); |
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$matched = $this->databaseSelect->findByField($updateWhere['args']); |
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if (count($matched) == 0) throw new \InvalidArgumentException('Record inserted into table ' . $this->table . ' fails table constraints'); |
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} |
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private function insert($table, array $primaryKey, $data) { |
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$error = 0; |
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try { |
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$result = $this->adapter->query($this->crudBuilder->insert($table, $data)); |
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} |
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catch (\Exception $e) { |
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$error = 1; |
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} |
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if ($error || $result->errorCode() !== '00000') { |
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$result = $this->tryUpdate($table, $primaryKey, $data); |
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} |
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return $result; |
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} |
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private function tryUpdate($table, array $primaryKey, $data) { |
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$result = $this->adapter->query($this->crudBuilder->update($table, $primaryKey, $data)); |
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if ($result->rowCount() === 0) $this->checkIfUpdateWorked($data); |
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return $result; |
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} |
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} |
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Level-2 /
Maphper
