weixin/app/Repositories/Criteria/Info/ComplaintCriteria.php

<?php

namespace App\Repositories\Criteria\Info;

use Illuminate\Http\Request;
use Prettus\Repository\Contracts\CriteriaInterface;
use Prettus\Repository\Contracts\RepositoryInterface;

class ComplaintCriteria implements CriteriaInterface
{
    /**
     * @var \Illuminate\Http\Request
     */
    protected $request;

    public function __construct(Request $request)
    {
        $this->request = $request;
    }

    /**
     * @param $model
     * @param RepositoryInterface $repository
     *
     * @return mixed
     */
    public function apply($model, RepositoryInterface $repository)
    {
        if ($this->request->filled('user_id')) {
            $user_id = $this->request->get('user_id');
            $model = $model->where('user_id', '=', $user_id);
        }
        if ($this->request->filled('complaint_phone')) {
            $complaint_phone = $this->request->get('complaint_phone');
            $model = $model->where('complaint_phone', 'like', "%{$complaint_phone}%");
        }
        if ($this->request->filled('content')) {
            $content = $this->request->get('content');
            $model = $model->where('content', 'like', "%{$content}%");
        }
        if ($this->request->filled('deal_department_id')) {
            $deal_department_id = $this->request->get('deal_department_id');
            $model = $model->where('deal_department_id', '=', $deal_department_id);
        }
        if ($this->request->filled('deal_status')) {
            $deal_status = $this->request->get('deal_status');
            $model = $model->where('deal_status', '=', $deal_status);
        }
        $model = $model->orderBy('created_at', 'desc');

        return $model;
    }
}