ulthon_information/app/model/Category.php

<?php

declare(strict_types=1);

namespace app\model;

use app\common\model\Base;
use think\facade\Config;
use think\Model;

/**
 * @mixin think\Model
 */
class Category extends Base
{
    //


    public static $autoClearCache = [
        [
            'name' => 'category_type_list',
            'field' => 'type'
        ],
        [
            'type' => 'tag',
            'name' => 'page_cache'
        ],
    ];


    public static $allCategory = [];


    /**
     * 获取指定id下的所有分类
     *
     * @param string $id
     * @return void
     */
    public static function getListLevel($id = '', $type = 1)
    {

        if (empty(self::$allCategory)) {

            $model_list = Category::where('type', $type)->order('sort asc')->select();
            self::$allCategory = array2level($model_list, 0, 0);
        }

        if (!empty($id)) {
            $list = [];
            $in_category = [$id];
            foreach (self::$allCategory as $category) {
                if (in_array($category->pid, $in_category)) {
                    $list[] = $category;
                    $in_category[] = $category->id;
                }
            }

            return $list;
        }

        return self::$allCategory;
    }


    public function getTitleImgAttr($value)
    {

        return get_source_link($value);
    }

    public function posts()
    {
        return $this->hasMany(PostCategory::class, 'category_id');
    }

    /**
     * 返回的对应的post的模型
     *
     * @return void
     */
    public function getPostsModelListAttr()
    {
        $list_post_category = $this->getAttr('posts');

        $list_post = [];

        foreach ($list_post_category as $list_post_category) {
            array_push($list_post, $list_post_category->post);
        }

        return $list_post;
    }

    /**
     * 返回的对应post的数据,性能比模型要高.
     *
     * @return void
     */
    public function getPostsListAttr()
    {
        $list_post_category = $this->getAttr('posts');

        $list_post = array_column($list_post_category->append(['post'])->toArray(), 'post');

        return $list_post;
    }

    public function getTplNameAttr($value)
    {
        return Config::get('view_type.category.' . $value);
    }

    public function getModelParentAttr()
    {
        $pid = $this->getData('pid');

        if ($pid == 0) {
            return $this;
        }
        return Category::where('id', $pid)->find();
    }

    // 返回除自身以外的其他的同级同类的分类
    public function getModelSiblingsAttr()
    {
        return Category::where('pid', $this->getData('pid'))
            ->where('level', $this->getData('level'))
            ->where('id', '<>', $this->getData('id'))
            ->select();
    }

    /**
     * 获取同一个父元素的分类,包含自身
     *
     * @return void
     */
    public function getModelSameParentAttr()
    {
        return Category::where('pid', $this->getData('pid'))
            ->where('level', $this->getData('level'))
            ->select();
    }
}