baoshi-was/app/Services/OwnerStoragePriceModelService.php

<?php

namespace App\Services;

use App\Order;
use App\OwnerReport;
use App\OwnerStoragePriceModel;
use Illuminate\Support\Facades\DB;
use App\Traits\ServiceAppAop;


class OwnerStoragePriceModelService
{
    use ServiceAppAop;
    protected $modelClass=OwnerStoragePriceModel::class;
    public function getSelection(array $columns = ["counting_type","using_type"], array $withs = [])
    {
        return OwnerStoragePriceModel::query()->select($columns)->with($withs)->get();
    }

    public function paginate($id = null,array $withs = [])
    {
        $query = OwnerStoragePriceModel::query()->orderByDesc('id')->with($withs);
        if ($id)$query->where("id",$id);
        return $query->paginate($params["paginate"] ?? 50);
    }

    public function create(array $params)
    {
        return OwnerStoragePriceModel::query()->create($params);
    }

    public function update(array $params, array $values)
    {
        $query = OwnerStoragePriceModel::query();
        foreach ($params as $column => $value){
            $query->where($column,$value);
        }
        return $query->update($values);
    }

    public function find($id, $withs = [])
    {
        return OwnerStoragePriceModel::query()->with($withs)->find($id);
    }
    public function destroy($id)
    {
        DB::delete(DB::raw("DELETE FROM owner_storage_price_model_owner WHERE owner_storage_price_model_id = ?"),[$id]);
        return OwnerStoragePriceModel::destroy($id);
    }

    //暂时不考虑单位换算问题：后期可能存在多单位换算，此处仅视为单位为 m²,m³
    public function calculationAmount(OwnerStoragePriceModel $model, $area, $owner_id = null, $month = null)
    {
        /** @var \stdClass $model */
        if (!$model || !$area) return 0;
        if ($area < $model->minimum_area) $area = $model->minimum_area;
        switch ($model->discount_type){
            case "按单减免":
                if ($owner_id && $month){
                    if ($model->timeUnit->name == '月'){
                        $report = OwnerReport::query()->select("id","total")
                            ->where("owner_id",$owner_id)
                            ->where("counting_month","like",$month."%")->first();
                        if ($report && $report->total>=0)$area -= floor($report->total/$model->discount_value);
                    }else{
                        $days = date('t', strtotime($month."-01"));
                        $area *= $days;
                        for($i=1;$i<=$days;$i++){
                            $d = $i<10 ? "0".$i : $i;
                            $query = DB::raw("SELECT COUNT(1) c FROM orders WHERE wms_status = ? and updated_at between ? and ?");
                            $count = DB::selectOne($query,['订单完成',$month."-".$d." 00:00:00",$month."-".$d." 23:59:59"]);
                            if ($count && $count->c>=0)$area -= floor($count->c/$model->discount_value);
                        }
                    }
                }
                break;
            case "固定减免":
                if ($model->timeUnit->name == '月'){
                    $area -= $model->discount_value;
                }else{
                    $days = date('t', strtotime($month."-01"));
                    $area *= $days;
                    $area -= $days*$model->discount_value;
                }
                break;
        }
        return $area*$model->price;
    }
}