119 lines
4.4 KiB
PHP
119 lines
4.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Domain\Client;
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require_once __DIR__ . '/ClientRecord.php';
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/** Validates client create/edit and explicit active-state transitions. */
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final class ClientUpdateCommand
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{
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public function __construct(private readonly ?ClientRecord $clients = null)
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{
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}
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/** @return array<string, mixed> */
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public function validate(array $input, array $existingClients = [], ?int $currentId = null): array
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{
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$result = ($this->clients ?? new ClientRecord())->validate($input);
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$nameKey = $this->duplicateKey(is_string($result['name'] ?? null) ? $result['name'] : '');
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if ($nameKey !== '' && $this->hasDuplicate($nameKey, $existingClients, $currentId)) {
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$result['errors']['name'] = 'Client name is already in use.';
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}
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$result['valid'] = $result['errors'] === [];
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return $result;
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}
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/** @return array<string, mixed> */
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public function validateForCreate(array $input, array $existingClients = []): array
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{
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return $this->validate($input, $existingClients);
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}
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/** @return array<string, mixed> */
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public function validateForEdit(int $id, array $input, array $existingClients = []): array
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{
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$errors = [];
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if ($id < 1) $errors['id'] = 'Client ID must be a positive integer.';
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$result = $this->validate($input, $existingClients, $id);
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$result['id'] = $id;
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$result['errors'] = [...$errors, ...$result['errors']];
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$result['valid'] = $result['errors'] === [];
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return $result;
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}
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/** @return array{valid: bool, id: int, status: string, errors: array<string, string>} */
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public function validateDeactivate(array $client): array
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{
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return $this->validateTransition($client, 'active', 'inactive');
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}
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/** @return array{valid: bool, id: int, status: string, errors: array<string, string>} */
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public function validateReactivate(array $client): array
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{
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return $this->validateTransition($client, 'inactive', 'active');
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}
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/** @return array{valid: bool, id: int, status: string, errors: array<string, string>} */
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public function deactivate(array $client): array
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{
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return $this->validateDeactivate($client);
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}
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/** @return array{valid: bool, id: int, status: string, errors: array<string, string>} */
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public function reactivate(array $client): array
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{
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return $this->validateReactivate($client);
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}
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/** @return array<string, mixed> */
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public function display(array $client): array
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{
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return ($this->clients ?? new ClientRecord())->display($client);
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}
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/** @return array<string, mixed> */
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public function toDisplay(array $client): array
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{
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return $this->display($client);
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}
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/** @return array{valid: bool, id: int, status: string, errors: array<string, string>} */
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private function validateTransition(array $client, string $from, string $to): array
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{
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$id = $this->positiveId($client['id'] ?? null);
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$status = strtolower(trim(is_scalar($client['status'] ?? null) ? (string) $client['status'] : ''));
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$errors = [];
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if ($id === null) $errors['id'] = 'Client ID must be a positive integer.';
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if ($status !== $from) $errors['status'] = "Only {$from} clients can be changed to {$to}.";
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return ['valid' => $errors === [], 'id' => $id ?? 0, 'status' => $to, 'errors' => $errors];
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}
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private function hasDuplicate(string $candidate, array $rows, ?int $currentId): bool
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{
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foreach ($rows as $row) {
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$name = is_array($row) ? ($row['name'] ?? null) : $row;
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if (!is_scalar($name) || $this->duplicateKey((string) $name) !== $candidate) continue;
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$rowId = is_array($row) ? $this->positiveId($row['id'] ?? null) : null;
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if ($currentId === null || $rowId !== $currentId) return true;
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}
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return false;
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}
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private function duplicateKey(string $value): string
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{
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$collapsed = preg_replace('/\s+/u', ' ', trim($value));
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return strtolower($collapsed === false ? trim($value) : $collapsed);
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}
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private function positiveId(mixed $value): ?int
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{
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if (is_int($value) && $value > 0) return $value;
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if (is_string($value) && preg_match('/^[1-9]\d*$/', trim($value)) === 1) {
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$id = filter_var(trim($value), FILTER_VALIDATE_INT);
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return $id === false ? null : $id;
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}
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return null;
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}
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}
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