TenantAtlas/app/Support/Diff/DiffSummary.php
2026-03-14 13:31:24 +01:00

100 lines
2.8 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Support\Diff;
use InvalidArgumentException;
final readonly class DiffSummary
{
public int $changedCount;
public int $addedCount;
public int $removedCount;
public int $unchangedCount;
public bool $hasRows;
public ?string $message;
public function __construct(
int $changedCount = 0,
int $addedCount = 0,
int $removedCount = 0,
int $unchangedCount = 0,
?string $message = null,
) {
foreach ([
'changedCount' => $changedCount,
'addedCount' => $addedCount,
'removedCount' => $removedCount,
'unchangedCount' => $unchangedCount,
] as $field => $value) {
if ($value < 0) {
throw new InvalidArgumentException(sprintf('DiffSummary %s must be zero or greater.', $field));
}
}
$this->changedCount = $changedCount;
$this->addedCount = $addedCount;
$this->removedCount = $removedCount;
$this->unchangedCount = $unchangedCount;
$this->message = is_string($message) && trim($message) !== ''
? trim($message)
: null;
$this->hasRows = ($changedCount + $addedCount + $removedCount + $unchangedCount) > 0;
}
/**
* @param array<int, DiffRow> $rows
*/
public static function fromRows(array $rows, ?string $message = null): self
{
$counts = [
DiffRowStatus::Changed->value => 0,
DiffRowStatus::Added->value => 0,
DiffRowStatus::Removed->value => 0,
DiffRowStatus::Unchanged->value => 0,
];
foreach ($rows as $row) {
if (! $row instanceof DiffRow) {
continue;
}
$counts[$row->status->value]++;
}
if ($message === null) {
$message = match (true) {
$rows === [] => 'No diff data available.',
($counts[DiffRowStatus::Changed->value]
+ $counts[DiffRowStatus::Added->value]
+ $counts[DiffRowStatus::Removed->value]) === 0 => 'No changes detected.',
default => null,
};
}
return new self(
changedCount: $counts[DiffRowStatus::Changed->value],
addedCount: $counts[DiffRowStatus::Added->value],
removedCount: $counts[DiffRowStatus::Removed->value],
unchangedCount: $counts[DiffRowStatus::Unchanged->value],
message: $message,
);
}
public static function empty(?string $message = 'No diff data available.'): self
{
return new self(message: $message);
}
public function totalCount(): int
{
return $this->changedCount + $this->addedCount + $this->removedCount + $this->unchangedCount;
}
}