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|
<?php
declare(strict_types=1);
namespace Zhineng\Region\Build;
use Symfony\Component\VarExporter\VarExporter;
final class RelationshipHandler implements RegionHandler
{
/**
* @var array<string, int[]>
*/
private array $data = [];
public function handle(string $code, string $name): void
{
if ($this->belongsToGroup($code)) {
$this->data[$this->groupKey($code)] = [];
}
if ($this->isProvince($code)) {
return;
}
$group = $this->resolveGroupFor($code);
$this->data[$group][] = (int) $code;
}
private function belongsToGroup(string $code): bool
{
return $this->isProvince($code)
|| $this->isCity($code);
}
private function isProvince(string $code): bool
{
return substr($code, -4) === '0000';
}
private function groupKey(string $code): string
{
return '_'.$code;
}
private function isCity(string $code): bool
{
return substr($code, -2) === '00';
}
private function isDistrict(string $code): bool
{
return substr($code, -2) !== '00';
}
private function resolveGroupFor(string $code): string
{
if ($this->isDistrict($code)) {
return $this->resolveGroupForDistrict($code);
}
return $this->resolveGroupForCity($code);
}
private function resolveGroupForDistrict(string $code): string
{
if ($this->hasCityGroup($code)) {
return $this->groupKey($this->cityKey($code));
}
if ($this->hasProvinceGroup($code)) {
return $this->groupKey($this->provinceKey($code));
}
throw new \InvalidArgumentException(sprintf(
'Could not resolve the group for key [%s].', $code
));
}
private function resolveGroupForCity(string $code): string
{
if ($this->hasProvinceGroup($code)) {
return $this->groupKey($this->provinceKey($code));
}
throw new \InvalidArgumentException(sprintf(
'Could not resolve the group for key [%s].', $code
));
}
private function hasCityGroup(string $code): bool
{
$key = $this->groupKey($this->cityKey($code));
return isset($this->data[$key]);
}
private function cityKey(string $code): string
{
return substr($code, 0, 4).'00';
}
private function hasProvinceGroup(string $code): bool
{
$key = $this->groupKey($this->provinceKey($code));
return isset($this->data[$key]);
}
private function provinceKey(string $code): string
{
return substr($code, 0, 2).'0000';
}
public function export(string $destination): void
{
$exported = VarExporter::export($this->data);
file_put_contents($destination, '<?php return '.$exported.';');
}
}
|
