mint/api-v8/app/Models/ProgressChapter.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class ProgressChapter extends Model
{
    use HasFactory;
    protected $fillable = [
        'book',
        'book',
        'channel_id',
        'lang' => 'en',
        'all_trans',
        'public',
        'progress',
        'title',
        'created_at',
        'updated_at'
    ];
    protected $casts = [
        'uid' => 'string'
    ];
    protected $primaryKey = 'uid';

    //protected $dateFormat = 'U';

    public function tagid()
    {
        return $this->hasOne('App\Models\TagMap', 'anchor_id', 'uid'); //参数一:需要关联的子表类名,前面必须加上命名空间  参数二:子表关联父表的字段  参数三:父表关联子表的字段
    }

    public function tags()
    {
        return $this->belongsToMany('App\Models\Tag', 'tag_maps', 'anchor_id', 'tag_id');
    }
    /**
     * 关联到 Channel 模型
     * channel_id 关联到 channel 表的 uid 字段
     */
    public function channel()
    {
        return $this->hasOne(Channel::class, 'uid', 'channel_id');
    }
    public function views()
    {
        return $this->hasMany('App\Models\View', 'target_id', 'uid');
    }
}