117 lines
4.6 KiB
PHP
117 lines
4.6 KiB
PHP
<?php
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namespace Modules\EcommerceFinance\Services;
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use Illuminate\Support\Carbon;
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use Modules\EcommerceFinance\Repositories\ProductPriceMirrorRepository;
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use Modules\EcommerceFinance\Repositories\ProductPriceRepository;
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use RuntimeException;
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use Throwable;
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class ProductPriceMirrorSynchronizer
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{
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public function __construct(
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private readonly ProductPriceRepository $upstream,
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private readonly ProductPriceMirrorRepository $mirror,
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) {
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}
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/** @return array{status:string,mode:string,batches:int,rows:int} */
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public function sync(bool $full = false, ?int $batchSize = null, ?int $maxBatches = null): array
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{
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if (! $this->mirror->ready()) {
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throw new RuntimeException('business_mirror_schema_missing');
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}
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$state = $this->mirror->state();
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if (! $full && ($state['initial_completed_at'] ?? null) === null) {
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return ['status' => 'requires_full_sync', 'mode' => 'incremental', 'batches' => 0, 'rows' => 0];
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}
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$mode = $full ? 'full' : 'incremental';
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$resume = is_array($state)
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&& ($state['run_mode'] ?? null) === $mode
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&& in_array($state['status'] ?? null, ['running', 'failed'], true)
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&& ($state['window_started_at'] ?? null) !== null
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&& ($state['window_ends_at'] ?? null) !== null;
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if ($resume) {
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$since = Carbon::parse((string) $state['window_started_at']);
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$until = Carbon::parse((string) $state['window_ends_at']);
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} elseif ($full) {
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$since = Carbon::create(1900, 1, 1, 0, 0, 0, config('app.timezone'));
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$until = now()->addSecond();
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} else {
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$overlapHours = max((int) config('upstream_mirrors.product_prices.overlap_hours', 48), 1);
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$since = Carbon::parse((string) $state['last_succeeded_at'])->subHours($overlapHours);
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$until = now()->addSecond();
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}
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$state = $this->mirror->startRun($mode, $since, $until, $resume);
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$cursor = $this->cursorFromState($state);
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$batchSize ??= (int) config('upstream_mirrors.product_prices.batch_size', 500);
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$batchSize = min(max($batchSize, 1), 2000);
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$maxBatches ??= (int) config('upstream_mirrors.product_prices.max_batches_per_run', 4);
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$maxBatches = max($maxBatches, 0);
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$batches = 0;
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$rows = (int) ($state['last_upserted_rows'] ?? 0);
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try {
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while (true) {
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$batch = $this->upstream->mirrorBatch(
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$cursor,
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$since->format('Y-m-d H:i:s'),
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$until->format('Y-m-d H:i:s'),
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$batchSize,
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);
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if ($batch === []) {
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$this->mirror->complete($mode, $until, $rows);
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return ['status' => 'succeeded', 'mode' => $mode, 'batches' => $batches, 'rows' => $rows];
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}
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$last = $batch[array_key_last($batch)];
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$cursor = [
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'completed_at' => (string) ($last['cursor_completed_at'] ?? $last['completed_at']),
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'business_id' => (string) $last['business_id'],
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'barcode' => (string) $last['barcode'],
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];
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$rows += count($batch);
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$batches++;
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$this->mirror->storeBatch($batch, $cursor, $rows);
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if (count($batch) < $batchSize) {
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$this->mirror->complete($mode, $until, $rows);
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return ['status' => 'succeeded', 'mode' => $mode, 'batches' => $batches, 'rows' => $rows];
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}
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if ($maxBatches > 0 && $batches >= $maxBatches) {
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return ['status' => 'running', 'mode' => $mode, 'batches' => $batches, 'rows' => $rows];
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}
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}
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} catch (Throwable $exception) {
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$this->mirror->fail($exception::class);
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throw $exception;
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}
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}
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/** @return array{completed_at:string,business_id:string,barcode:string}|null */
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private function cursorFromState(array $state): ?array
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{
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if (($state['cursor_completed_at'] ?? null) === null) {
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return null;
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}
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return [
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// 直接复用 SQL Server 返回的 datetime2(7) ISO 字符串；Carbon 只有
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// 6 位微秒精度，解析再格式化会丢掉最后一位并破坏稳定游标。
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'completed_at' => (string) $state['cursor_completed_at'],
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'business_id' => (string) ($state['cursor_business_id'] ?? ''),
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'barcode' => (string) ($state['cursor_product_code'] ?? ''),
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];
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}
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}
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