Files
sam-api/app/Services/Stats/InventoryStatService.php

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<?php
namespace App\Services\Stats;
use App\Models\Stats\Daily\StatInventoryDaily;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
class InventoryStatService implements StatDomainServiceInterface
{
public function aggregateDaily(int $tenantId, Carbon $date): int
{
$dateStr = $date->format('Y-m-d');
// 재고 현황 (stocks 테이블 - 현재 스냅샷)
$stockSummary = DB::connection('mysql')
->table('stocks')
->where('tenant_id', $tenantId)
->whereNull('deleted_at')
->selectRaw('
COUNT(*) as sku_count,
COALESCE(SUM(stock_qty), 0) as total_qty,
SUM(CASE WHEN stock_qty < safety_stock AND safety_stock > 0 THEN 1 ELSE 0 END) as below_safety,
SUM(CASE WHEN stock_qty = 0 THEN 1 ELSE 0 END) as zero_stock,
SUM(CASE WHEN stock_qty > safety_stock * 3 AND safety_stock > 0 THEN 1 ELSE 0 END) as excess_stock
')
->first();
// 입고 (stock_transactions type = 'receipt')
$receiptStats = DB::connection('mysql')
->table('stock_transactions')
->where('tenant_id', $tenantId)
->whereDate('created_at', $dateStr)
->where('type', 'receipt')
->selectRaw('COUNT(*) as cnt, COALESCE(SUM(qty), 0) as total_qty')
->first();
// 출고 (stock_transactions type = 'issue')
$issueStats = DB::connection('mysql')
->table('stock_transactions')
->where('tenant_id', $tenantId)
->whereDate('created_at', $dateStr)
->where('type', 'issue')
->selectRaw('COUNT(*) as cnt, COALESCE(SUM(ABS(qty)), 0) as total_qty')
->first();
// 품질검사 (inspections)
$inspectionStats = DB::connection('mysql')
->table('inspections')
->where('tenant_id', $tenantId)
->where('inspection_date', $dateStr)
->whereNull('deleted_at')
->selectRaw("
COUNT(*) as cnt,
SUM(CASE WHEN result = 'pass' THEN 1 ELSE 0 END) as pass_count,
SUM(CASE WHEN result = 'fail' THEN 1 ELSE 0 END) as fail_count
")
->first();
$inspectionCount = $inspectionStats->cnt ?? 0;
$passCount = $inspectionStats->pass_count ?? 0;
$failCount = $inspectionStats->fail_count ?? 0;
$passRate = $inspectionCount > 0 ? ($passCount / $inspectionCount) * 100 : 0;
StatInventoryDaily::updateOrCreate(
['tenant_id' => $tenantId, 'stat_date' => $dateStr],
[
'total_sku_count' => $stockSummary->sku_count ?? 0,
'total_stock_qty' => $stockSummary->total_qty ?? 0,
'total_stock_value' => 0, // 단가 정보 없어 Phase 4에서 보완
'receipt_count' => $receiptStats->cnt ?? 0,
'receipt_qty' => $receiptStats->total_qty ?? 0,
'receipt_amount' => 0,
'issue_count' => $issueStats->cnt ?? 0,
'issue_qty' => $issueStats->total_qty ?? 0,
'issue_amount' => 0,
'below_safety_count' => $stockSummary->below_safety ?? 0,
'zero_stock_count' => $stockSummary->zero_stock ?? 0,
'excess_stock_count' => $stockSummary->excess_stock ?? 0,
'inspection_count' => $inspectionCount,
'inspection_pass_count' => $passCount,
'inspection_fail_count' => $failCount,
'inspection_pass_rate' => $passRate,
'turnover_rate' => 0, // 월간 집계에서 계산
]
);
return 1;
}
public function aggregateMonthly(int $tenantId, int $year, int $month): int
{
// 재고 도메인은 일간 스냅샷 기반이므로 별도 월간 테이블 없음
// 필요시 Phase 4에서 stat_inventory_monthly 추가
return 0;
}
}