ulmus/src/Adapter/SqlFieldMapper.php

99 lines
2.6 KiB
PHP

<?php
namespace Ulmus\Adapter;
use Ulmus\Migration\FieldDefinition;
use Ulmus\Entity;
class SqlFieldMapper
{
public string $type;
public string $length;
public function __construct(
public FieldDefinition $field,
) {
$this->map();
}
public function map() : void
{
$type = $this->field->type;
$length = $this->field->length;
if ( is_a($type, Entity\Field\Date::class, true) ) {
$type = "DATE";
}
elseif ( is_a($type, Entity\Field\Time::class, true) ) {
$type = "TIME";
}
elseif ( is_a($type, \DateTime::class, true) ) {
$type = "DATETIME";
}
elseif ( enum_exists($type) ) {
# Haven't found a better way yet to check for BackendEnum without an instance of the object
if ( ! method_exists($type, 'tryFrom') ) {
throw new \Ulmus\Exception\BackedEnumRequired(sprintf("You must define your enum as a BackedEnum instead of an UnitEnum for field '%s'.", $this->field->getColumnName()));
}
$type = "string";
}
switch($type) {
case "bool":
$this->type = "TINYINT";
$this->length = 1;
break;
case "array":
$this->type = "JSON";
break;
case "string":
if ($length && $length <= 255) {
$this->type = "VARCHAR";
$this->length = $length;
break;
}
elseif (! $length || ( $length <= 65535 ) ) {
$this->type = "TEXT";
}
elseif ( $length <= 16777215 ) {
$this->type = "MEDIUMTEXT";
}
elseif ($length <= 4294967295) {
$this->type = "LONGTEXT";
}
else {
throw new \Exception("A column with a length bigger than 4GB cannot be created.");
}
# Length is unnecessary on TEXT fields
unset($length);
break;
case "float":
$this->type = "DOUBLE";
default:
if ($length) {
$this->length = $length;
}
$this->type ??= strtoupper($type);
}
$this->postProcess();
}
public function render() : string
{
return $this->type . ( isset($this->length) ? "($this->length)" : "" );
}
public function postProcess() : void
{
}
}