parking_manage_system/app/Imports/ParkingSpaceImport.php

<?php

namespace App\Imports;

use App\Models\AdminFloor;
use App\Models\AdminFloorRegion;
use App\Models\Parking;
use App\Models\ParkingSpace;
use App\Models\ParkingSpaceAttributes;
use App\Models\ParkingSpaceType;
use App\Services\OperationLogService;
use App\Services\ParkingSpaceService;
use Maatwebsite\Excel\Concerns\ToModel;
use Maatwebsite\Excel\Concerns\WithChunkReading;

class ParkingSpaceImport implements ToModel, WithChunkReading
{
    protected int $index = 1;
    protected int $user_id;

    public function __construct($admin_user_id)
    {
        $this->user_id = $admin_user_id;
    }

    public function model(array $row)
    {
        if ($this->index == 1) {
            $this->index += 1;
            return;
        }
        $parking = $row[1];
        $floor = $row[2];
        $region = $row[3];
        $attr = $row[4];
        $number = $row[5];
        if (empty($parking)) {
            return;
        }
        if (empty($floor)) {
            return;
        }
        if (empty($region)) {
            return;
        }
        if (empty($attr)) {
            return;
        }
        if (empty($number)) {
            return;
        }
        $parking_id = Parking::getValueId($parking);
        if (!$parking_id) {
            return;
        }
        $floor_id = AdminFloor::query()->where('status', 1)->where(
            'building_floor',
            $parking_id
        )->value('id');
        if (!$floor_id) {
            return;
        }
        $region_id = AdminFloorRegion::query()->where('status', 1)->where(
            'floor_id',
            $floor_id
        )->value('id');
        $attr_id = ParkingSpaceAttributes::query()->where('attributes', $attr)
            ->value('id');
        if (!$attr_id) {
            return;
        }

        $create = $where = [
            'number'    => $number,
            'floor_id'  => $floor_id,
            'region_id' => $region_id
        ];
        if (ParkingSpace::query()->where($where)->exists()) {
            return;
        }
        $create['space_type_id'] = 0;
        $res = ParkingSpaceType::getDefaultData();
        if ($res) {
            $create['space_type_id'] = $res['id'];
        }
        $create['space_attr_id'] = $attr_id;

        $service = new ParkingSpaceService(new OperationLogService());
        $service->createData($create);
    }


    public function chunkSize(): int
    {
        return 1000; // 设置每次处理的行数，有助于避免内存问题并可能改善表头解析
    }
}