information-platform/app/Repositories/Criteria/Note/NoteCriteria.php

<?php

namespace App\Repositories\Criteria\Note;

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

/**
 * Class NoteCriteria.
 *
 * @package namespace App\Repositories\Criteria\Note;
 */
class NoteCriteria implements CriteriaInterface
{
    public function __construct(Request $request = null)
    {
        if (is_null($request)) {
            $this->request = \request();
        } else {
            $this->request = $request;
        }

    }

    /**
     * Apply criteria in query repository
     *
     * @param string $model
     * @param RepositoryInterface $repository
     *
     * @return mixed
     */
    public function apply($model, RepositoryInterface $repository)
    {
        if ($title = $this->request->get('title')) {
            $model = $model->where('name', 'like', "%{$title}%");
        }

        if ($course_category_id = $this->request->get('course_category_id')) {
            $model = $model->where('course_category_id', '=', $course_category_id);
        }

        if ($tags = $this->request->get('tags')) {
            $model = $model->where('tags', 'like', "%-{$tags}-%");
        }

        if (($status = $this->request->get('status', false)) !== false) {
            $model = $model->where('status', '=', $status);
        }

        if ($id = $this->request->get('id')) {
            $model = $model->where('id', '=', $id);
        }

        if (($is_release = $this->request->get('is_release', false)) !== false) {
            $model = $model->where('is_release', '=', $is_release);
        }

        if (($type = $this->request->get('type', false)) !== false) {
            $model = $model->where('type', '=', $type);
        }

        if ($this->request->get('me')) {
            $model = $model->where('user_id', login_user_id());
        }

        if ($tag = $this->request->get('tag')) {
            switch ($tag) {
                case 'new':
                    $model = $model->orderByDesc('id');
                    break;
                case 'hot':
                    $model = $model->orderByDesc('good_count')->orderByDesc('id');
                    break;
            }
        } else {
            $model = $model->orderByDesc('id');
        }

        return $model;
    }
}