<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace addon\blog\model;

use ywxapp\model\BaseModel;
use ywxapp\model\MemberUser;


class BlogLike extends BaseModel
{
// 设置数据表名
    protected $name = 'blog_like';
    
    // 设置主键
    protected $pk = 'id';
    
    // 自动写入时间戳（int 型 Unix 时间戳，匹配 create_at int 列）
    protected $autoWriteTimestamp = 'int';
    protected $createTime = 'create_at';
    protected $updateTime = false;
    
    // 定义允许写入的字段
    protected $allowField = [
        'uid', 'aid'
    ];
    
    // 设置字段类型
    protected $type = [
        'id' => 'int',
        'uid' => 'int',
        'aid' => 'int',
        'create_at' => 'int'
    ];
    
    // 定义关联 - 用户（博客用户即主系统会员，统一使用 wxapp_user，主键 uid）
    
    public function user()
    {
        return $this->belongsTo(MemberUser::class, 'uid', 'uid');
    }
    
    // 定义关联 - 文章
    
    public function article()
    {
        return $this->belongsTo(BlogArticle::class, 'aid');
    }
    
    // 检查用户是否已点赞
    
    public static function hasLiked($userId, $articleId)
    {
        return self::where('uid', $userId)
            ->where('aid', $articleId)
            ->count() > 0;
    }
    
    // 切换点赞状态
    
    public static function toggle($userId, $articleId)
    {
        $like = self::where('uid', $userId)
            ->where('aid', $articleId)
            ->find();
            
        if ($like) {
            $like->delete();
            return false; // 取消点赞
        } else {
            $like = new self();
            $like->uid = $userId;
            $like->aid = $articleId;
            $like->save();
            return true; // 添加点赞
        }
    }
}