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portal/app/app/Http/Controllers/Api/DealExportController.php
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<?php
declare(strict_types=1);
namespace App\Http\Controllers\Api;
use App\Http\Controllers\Controller;
use App\Models\Deal;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\DB;
use OpenSpout\Common\Entity\Row;
use OpenSpout\Common\Entity\Style\Style;
use OpenSpout\Writer\CSV\Options as CsvOptions;
use OpenSpout\Writer\CSV\Writer as CsvWriter;
use OpenSpout\Writer\XLSX\Writer as XlsxWriter;
use Symfony\Component\HttpFoundation\StreamedResponse;
/**
* Экспорт сделок в CSV / XLSX через OpenSpout streaming.
*
* Редизайн «Сделки» (2026-05-17, Task A5): экспорт по ДИАПАЗОНУ ДАТ поставки
* (received_at), не по списку id. Окно задаётся received_from/received_to;
* оба опциональны (пусто = весь период). Колонки соответствуют таблице
* страницы (без чекбокса и без «Напоминание» — экспорт = дамп лидов).
*
* RLS-обёртка SET LOCAL внутри транзакции (PgBouncer-safe).
*
* J1 (Sprint 3F): auth:sanctum+tenant, tenant_id из auth()->user().
*
* O-perf-05: streaming устраняет memory pressure. OpenSpout пишет
* в php://output постранично через Writer + Row::fromValues и chunkById(500)
* по сделкам — пик памяти O(1) от размера экспорта.
*/
class DealExportController extends Controller
{
/** Заголовки — общие для CSV и XLSX. */
private const HEADERS = ['Телефон', 'Источник', 'Город', 'Статус', 'Комментарий', 'Поставлен'];
/** signal_type → русская метка для колонки «Источник». */
private const SIGNAL_LABELS = ['call' => 'Звонки', 'site' => 'Сайт', 'sms' => 'СМС'];
public function export(Request $request): StreamedResponse
{
$validated = $request->validate([
'received_from' => 'nullable|date',
'received_to' => 'nullable|date',
'format' => 'nullable|string|in:csv,xlsx',
]);
$tenantId = (int) $request->user()->tenant_id;
$format = $validated['format'] ?? 'csv';
$from = isset($validated['received_from']) && $validated['received_from'] !== ''
? Carbon::parse($validated['received_from'])->startOfDay() : null;
$to = isset($validated['received_to']) && $validated['received_to'] !== ''
? Carbon::parse($validated['received_to'])->addDay()->startOfDay() : null;
$filename = 'deals_export_'.now()->format('Y-m-d').'.'.$format;
$headers = $format === 'xlsx'
? [
'Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'Content-Disposition' => 'attachment; filename="'.$filename.'"',
]
: [
'Content-Type' => 'text/csv; charset=utf-8',
'Content-Disposition' => 'attachment; filename="'.$filename.'"',
];
return new StreamedResponse(function () use ($tenantId, $format, $from, $to) {
// RLS-контекст должен быть установлен внутри транзакции на момент
// фактического SELECT. StreamedResponse callback вызывается уже
// после Laravel-response pipeline'а, поэтому открываем транзакцию
// прямо здесь.
DB::transaction(function () use ($tenantId, $format, $from, $to) {
DB::statement('SET LOCAL app.current_tenant_id = '.$tenantId);
$statusNames = DB::table('lead_statuses')->pluck('name_ru', 'slug');
$writer = $this->openWriter($format);
$writer->openToFile('php://output');
// Заголовок: для XLSX — bold через Style + имя листа «Сделки».
// Для CSV — OpenSpout сам пишет UTF-8 BOM (SHOULD_ADD_BOM=true
// в Options) и `;`-разделитель из конструктора.
if ($format === 'xlsx') {
/** @var XlsxWriter $writer */
$writer->getCurrentSheet()->setName('Сделки');
$writer->addRow(Row::fromValuesWithStyle(self::HEADERS, (new Style)->withFontBold(true)));
} else {
$writer->addRow(Row::fromValues(self::HEADERS));
}
$query = Deal::query()
->where('tenant_id', $tenantId)
->with('project:id,name,signal_type')
->orderByDesc('received_at');
if ($from !== null) {
$query->where('received_at', '>=', $from);
}
if ($to !== null) {
$query->where('received_at', '<', $to);
}
// chunkById(500) — keyset-friendly; deals.id — BIGSERIAL (unique),
// корректно для чанкинга даже при партиционированной PK (id, received_at).
$query->chunkById(500, function ($deals) use ($writer, $statusNames) {
foreach ($deals as $deal) {
/** @var Deal $deal */
$signal = $deal->project?->signal_type;
$source = trim(($deal->project?->name ?? '—').' · '
.(self::SIGNAL_LABELS[$signal] ?? '—'));
$writer->addRow(Row::fromValues([
(string) $deal->phone,
$source,
(string) ($deal->city ?? ''),
(string) ($statusNames[$deal->status] ?? $deal->status),
(string) ($deal->comment ?? ''),
$deal->received_at?->toDateTimeString() ?? '',
]));
}
}, 'id');
$writer->close();
});
}, 200, $headers);
}
private function openWriter(string $format): CsvWriter|XlsxWriter
{
if ($format === 'xlsx') {
return new XlsxWriter;
}
// CSV: ;-разделитель + UTF-8 BOM (Excel-friendly RU-локаль).
return new CsvWriter(new CsvOptions(
FIELD_DELIMITER: ';',
FIELD_ENCLOSURE: '"',
SHOULD_ADD_BOM: true,
));
}
}