xixie/application/common/model/PlatformLike.php

<?php
namespace app\common\model;
use library\tools\Data;
use think\Model;
// 平台点赞
class PlatformLike extends Model
{
    // 点赞类型
    static $type_desc = [
        1=>'新闻点赞',
        2=>'新闻评论点赞',
        3=>'论坛回答',
        4=>'活动',
        5=>'招聘',
        6=>'需求评论',
        7=>'供应商商品',
        8=>'论坛评论',
        9=>'需求',
    ];
    /**
     *  验证是否点赞
     * @param $user_id
     * @param $id
     * @param $type
     * @return int
     */
    public static function checkTags($user_id,$id,$type){
        return self::where(['user_id'=>$user_id,'like_id'=>$id,'type'=>$type])->value('id') ? 1:0;
    }
    /**
     * @param $user_id
     * @param $id
     * @param $type
     */
    public static function userTags($user_id,$id,$type)
    {
        $ret_val = 0;
        $check_tags =  self::checkTags($user_id,$id,$type);
        if($check_tags) {
            static::where(['user_id'=>$user_id,'like_id'=>$id,'type'=>$type])->delete();
        }else{
            Data::save('PlatformLike',
                ['user_id'=>$user_id,'like_id'=>$id,'type'=>$type],'user_id',
                ['user_id'=>$user_id,'like_id'=>$id,'type'=>$type]);
            $ret_val = 1;
        }
        return $ret_val;
    }

    // 点赞数量
    public static function getPraiseNum($id,$type)
    {
        return self::where(['like_id'=>$id,'type'=>$type])->count() ;
    }

}