web-base/core/Driver/SQL/Query/CreateTable.class.php
2021-12-08 16:54:53 +01:00

122 lines
3.9 KiB
PHP

<?php
namespace Driver\SQL\Query;
use Driver\SQL\Column\SerialColumn;
use Driver\SQL\Column\StringColumn;
use Driver\SQL\Column\IntColumn;
use Driver\SQL\Column\DateTimeColumn;
use Driver\SQL\Column\EnumColumn;
use Driver\SQL\Column\BoolColumn;
use Driver\SQL\Column\JsonColumn;
use Driver\SQL\Constraint\PrimaryKey;
use Driver\SQL\Constraint\Unique;
use Driver\SQL\Constraint\ForeignKey;
use Driver\SQL\SQL;
use Driver\SQL\Strategy\Strategy;
class CreateTable extends Query {
private string $tableName;
private array $columns;
private array $constraints;
private bool $ifNotExists;
public function __construct(SQL $sql, string $name) {
parent::__construct($sql);
$this->tableName = $name;
$this->columns = array();
$this->constraints = array();
$this->ifNotExists = false;
}
public function addSerial(string $name): CreateTable {
$this->columns[$name] = new SerialColumn($name);
return $this;
}
public function addString(string $name, ?int $maxSize = NULL, bool $nullable = false, $defaultValue = NULL): CreateTable {
$this->columns[$name] = new StringColumn($name, $maxSize, $nullable, $defaultValue);
return $this;
}
public function addDateTime(string $name, bool $nullable = false, $defaultValue = NULL): CreateTable {
$this->columns[$name] = new DateTimeColumn($name, $nullable, $defaultValue);
return $this;
}
public function addInt(string $name, bool $nullable = false, $defaultValue = NULL, bool $unsigned = false): CreateTable {
$this->columns[$name] = new IntColumn($name, $nullable, $defaultValue, $unsigned);
return $this;
}
public function addBigInt(string $name, bool $nullable = false, $defaultValue = NULL, bool $unsigned = false): CreateTable {
$this->columns[$name] = new BigIntColumn($name, $nullable, $defaultValue, $unsigned);
return $this;
}
public function addBool(string $name, $defaultValue = false): CreateTable {
$this->columns[$name] = new BoolColumn($name, $defaultValue);
return $this;
}
public function addJson(string $name, bool $nullable = false, $defaultValue = NULL): CreateTable {
$this->columns[$name] = new JsonColumn($name, $nullable, $defaultValue);
return $this;
}
public function addEnum(string $name, array $values, bool $nullable = false, $defaultValue = NULL): CreateTable {
$this->columns[$name] = new EnumColumn($name, $values, $nullable, $defaultValue);
return $this;
}
public function primaryKey(...$names): CreateTable {
$this->constraints[] = new PrimaryKey($names);
return $this;
}
public function unique(...$names): CreateTable {
$this->constraints[] = new Unique($names);
return $this;
}
public function foreignKey(string $name, string $refTable, string $refColumn, ?Strategy $strategy = NULL): CreateTable {
$this->constraints[] = new ForeignKey($name, $refTable, $refColumn, $strategy);
return $this;
}
public function onlyIfNotExists(): CreateTable {
$this->ifNotExists = true;
return $this;
}
public function ifNotExists(): bool { return $this->ifNotExists; }
public function getTableName(): string { return $this->tableName; }
public function getColumns(): array { return $this->columns; }
public function getConstraints(): array { return $this->constraints; }
public function build(array &$params): ?string {
$tableName = $this->sql->tableName($this->getTableName());
$ifNotExists = $this->ifNotExists() ? " IF NOT EXISTS" : "";
$entries = array();
foreach ($this->getColumns() as $column) {
$entries[] = ($tmp = $this->sql->getColumnDefinition($column));
if (is_null($tmp)) {
return false;
}
}
foreach ($this->getConstraints() as $constraint) {
$entries[] = ($tmp = $this->sql->getConstraintDefinition($constraint));
if (is_null($tmp)) {
return false;
}
}
$entries = implode(",", $entries);
return "CREATE TABLE$ifNotExists $tableName ($entries)";
}
}