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