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<?php |
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declare(strict_types = 1); |
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namespace Zortje\MVC\Model; |
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use Zortje\MVC\Model\Table\Entity\Exception\InvalidEntityPropertyException; |
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/** |
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* Class SQLCommand |
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* |
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* @package Zortje\MVC\Model |
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*/ |
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class SQLCommand |
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{ |
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/** |
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* @var String Table name |
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*/ |
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private $tableName; |
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/** |
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* @var String[] Table columns |
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*/ |
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private $columns; |
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/** |
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* @param string $tableName |
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* @param string[] $columns |
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*/ |
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public function __construct(string $tableName, array $columns) |
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{ |
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$this->tableName = $tableName; |
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$this->columns = $columns; |
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} |
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/** |
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* Get table name |
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* |
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* @return String Table name |
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*/ |
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public function getTableName(): string |
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{ |
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return $this->tableName; |
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} |
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/** |
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* Get table columns |
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* |
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* @return \String[] Columns |
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*/ |
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public function getColumns(): array |
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{ |
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return $this->columns; |
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} |
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/** |
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* Create INSERT INTO command |
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* |
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* @return string INSERT INTO query |
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*/ |
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public function insertInto(): string |
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{ |
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$columnNames = $this->getColumnNames($this->columns); |
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$columnValues = $this->getColumnValues($this->columns); |
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return "INSERT INTO `$this->tableName` ($columnNames) VALUES ($columnValues);"; |
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} |
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/** |
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* Create UPDATE SET command with WHERE for updating a single row with ID |
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* |
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* @param array $columns Columns to use in SET condition |
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* |
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* @return string |
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*/ |
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public function updateSetWhere(array $columns): string |
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{ |
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$set = $this->getEqualFromColumns(', ', $columns); |
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$where = $this->getEqualFromColumns(' AND ', ['id']); |
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return "UPDATE `$this->tableName` SET $set WHERE $where;"; |
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} |
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/** |
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* Create SELECT FROM command |
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* |
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* @return string SELECT FROM query |
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*/ |
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public function selectFrom(): string |
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{ |
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$tableColumnNames = $this->getColumnNames($this->columns); |
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return "SELECT $tableColumnNames FROM `$this->tableName`;"; |
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} |
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/** |
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* Create SELECT FROM command with WHERE |
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* |
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* @param string[] $columns Columns to use in WHERE condition |
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* |
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* @return string SELECT FROM query |
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*/ |
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public function selectFromWhere($columns): string |
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{ |
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$tableColumnNames = $this->getColumnNames($this->columns); |
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$where = $this->getEqualFromColumns(' AND ', $columns); |
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return "SELECT $tableColumnNames FROM `$this->tableName` WHERE $where;"; |
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} |
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/** |
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* Get columns names for SQL command |
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* |
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* @param String[] $columns |
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* |
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* @return string Column names for column list |
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*/ |
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protected function getColumnNames(array $columns): string |
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{ |
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$tableColumnNames = implode('`, `', array_keys($columns)); |
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return "`{$tableColumnNames}`"; |
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} |
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/** |
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* Get columns values for SQL command |
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* |
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* @param String[] $columns |
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* |
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* @return string Column names for column values |
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*/ |
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protected function getColumnValues(array $columns): string |
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{ |
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$tableColumnValues = implode(', :', array_keys($columns)); |
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return ":{$tableColumnValues}"; |
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} |
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/** |
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* Get equal string for columns with glue |
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* |
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* @param string $glue String glue between columns |
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* @param array $columns Columns to use |
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* |
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* @return string |
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* |
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* @throws InvalidEntityPropertyException If provided with columns which the entity dosnt have |
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*/ |
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protected function getEqualFromColumns(string $glue, array $columns): string |
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{ |
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$equal = []; |
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foreach ($columns as $column) { |
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if (!isset($this->columns[$column])) { |
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throw new InvalidEntityPropertyException([$this->tableName, $column]); |
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} |
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$equal[] = "`$column` = :$column"; |
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} |
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return implode($glue, $equal); |
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} |
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} |
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zortje /
mvc
