<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * App\Models\Link
 *
 * @property int $id
 * @property int $is_display 是否显示（1：是，0：否）
 * @property int $type_id 链接分类
 * @property string $link_title 链接标题
 * @property string $link_url 链接地址
 * @property string $link_logo 链接的LOGO
 * @property string|null $note 备注
 * @property int $list_order 顺序
 * @property int $subsite_id 分站信息（0：总站）
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property string|null $deleted_at
 * @property-read mixed $logo_url
 * @property-read mixed $up_file
 * @property-read \App\Models\LinkCategory $show_category
 * @method static bool|null forceDelete()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link newQuery()
 * @method static \Illuminate\Database\Query\Builder|\App\Models\Link onlyTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link query()
 * @method static bool|null restore()
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereDeletedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereIsDisplay($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereLinkLogo($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereLinkTitle($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereLinkUrl($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereListOrder($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereNote($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereSubsiteId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereTypeId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|\App\Models\Link whereUpdatedAt($value)
 * @method static \Illuminate\Database\Query\Builder|\App\Models\Link withTrashed()
 * @method static \Illuminate\Database\Query\Builder|\App\Models\Link withoutTrashed()
 * @mixin \Eloquent
 */
class Link extends Model
{
    use SoftDeletes;

    protected $table = 'links';

    protected $appends = array('up_file','logo_url');

    public function getUpFileAttribute()
    {
        $up_file = '';
        if (preg_match('/^http/', $this->attributes['link_logo'])) {
            $up_file = null;
        } else {
            $up_file = $this->attributes['link_logo'];
        }
        return $up_file;
    }
    public function getLogoUrlAttribute()
    {
        $url = null;
        if (preg_match('/^http/', $this->attributes['link_logo'])) {
            $url = $this->attributes['link_logo'];
        }
        return $url;
    }

    public function show_category()
    {
        return $this->belongsTo(LinkCategory::class, 'type_id');
    }

    public function subsites()
    {
        return $this->hasMany(SubsiteLink::class, 'link_id');
    }
}