sam-manage/app/Services/ArchivedRecordService.php

<?php

namespace App\Services;

use App\Models\Archives\ArchivedRecord;
use Illuminate\Contracts\Pagination\LengthAwarePaginator;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\DB;

class ArchivedRecordService
{
    /**
     * 아카이브 레코드 목록 조회 (batch_id로 그룹핑, 페이지네이션)
     */
    public function getArchivedRecordsBatched(array $filters = [], int $perPage = 15): LengthAwarePaginator
    {
        // batch_id별로 그룹핑하여 첫 번째 레코드만 조회
        $query = ArchivedRecord::query()
            ->select([
                'batch_id',
                'batch_description',
                DB::raw('MIN(id) as id'),
                DB::raw('GROUP_CONCAT(DISTINCT record_type) as record_types'),
                DB::raw('COUNT(*) as record_count'),
                DB::raw('MIN(deleted_by) as deleted_by'),
                DB::raw('MIN(deleted_at) as deleted_at'),
            ])
            ->groupBy('batch_id', 'batch_description');

        // 레코드 타입 필터
        if (! empty($filters['record_type'])) {
            $query->having('record_types', 'like', "%{$filters['record_type']}%");
        }

        // 삭제자 필터
        if (! empty($filters['deleted_by'])) {
            $query->having('deleted_by', $filters['deleted_by']);
        }

        // 검색
        if (! empty($filters['search'])) {
            $search = $filters['search'];
            $query->where('batch_description', 'like', "%{$search}%");
        }

        // 정렬 (기본: 삭제일시 내림차순)
        $sortBy = $filters['sort_by'] ?? 'deleted_at';
        $sortDirection = $filters['sort_direction'] ?? 'desc';
        $query->orderBy($sortBy, $sortDirection);

        return $query->paginate($perPage);
    }

    /**
     * 특정 batch의 모든 레코드 조회
     */
    public function getRecordsByBatchId(string $batchId): Collection
    {
        return ArchivedRecord::with(['deletedByUser', 'relations'])
            ->where('batch_id', $batchId)
            ->orderBy('id')
            ->get();
    }

    /**
     * 특정 아카이브 레코드 조회
     */
    public function getArchivedRecordById(int $id): ?ArchivedRecord
    {
        return ArchivedRecord::with(['deletedByUser', 'relations'])
            ->find($id);
    }

    /**
     * batch_id로 첫 번째 레코드 조회 (상세 페이지 진입용)
     */
    public function getFirstRecordByBatchId(string $batchId): ?ArchivedRecord
    {
        return ArchivedRecord::with(['deletedByUser', 'relations'])
            ->where('batch_id', $batchId)
            ->orderBy('id')
            ->first();
    }

    /**
     * 삭제자 목록 조회 (필터용)
     */
    public function getDeletedByUsers(): array
    {
        return ArchivedRecord::query()
            ->whereNotNull('deleted_by')
            ->with('deletedByUser:id,name')
            ->get()
            ->pluck('deletedByUser')
            ->filter()
            ->unique('id')
            ->values()
            ->toArray();
    }

    /**
     * 아카이브 통계
     */
    public function getStats(): array
    {
        return [
            'total_batches' => ArchivedRecord::distinct('batch_id')->count('batch_id'),
            'total_records' => ArchivedRecord::count(),
            'tenants' => ArchivedRecord::tenant()->count(),
            'users' => ArchivedRecord::user()->count(),
        ];
    }
}