anxinliao/application/api/controller/Userfollow.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use think\Db;
/**
 * 关注
 */
class Userfollow extends Api
{
    protected $noNeedLogin = [];
    protected $noNeedRight = ['*'];

    //我的关注列表
    public function my_follow_list(){
        $user_id = input('user_id',0);
        if(empty($user_id)){
            $user_id = $this->auth->id;
        }

        //列表
        $list = Db::name('user_follow')
            ->alias('follow')
            ->join('user','follow.follow_uid = user.id','LEFT')
            ->field('user.id,user.username,user.nickname,user.avatar,user.birthday,user.gender')
            ->where('follow.uid',$user_id)->order('follow.id desc')->group('follow.follow_uid')->autopage()->select();

        $list = list_domain_image($list,['avatar']);
        $list = list_birthday_age($list);

        //我的关注uids
        $my_follow_uids = $this->my_follow_uids();

        if(!empty($list)){
            foreach($list as $key => &$val){

                //是否关注
                $val['is_follow'] = in_array($val['id'],$my_follow_uids) ? 1 : 0;
            }
        }

        $this->success('success',$list);
    }

    //我的粉丝列表
    public function my_fans_list(){
        $user_id = input('user_id',0);
        if(empty($user_id)){
            $user_id = $this->auth->id;
        }

        //列表
        $list = Db::name('user_follow')
            ->alias('follow')
            ->join('user','follow.uid = user.id','LEFT')
            ->field('user.id,user.username,user.nickname,user.avatar,user.birthday,user.gender')
            ->where('follow.follow_uid',$user_id)
            ->group('follow.uid')
            ->order('follow.id desc')->autopage()->select();

        $list = list_domain_image($list,['avatar']);
        $list = list_birthday_age($list);

        //我的关注uids
        $my_follow_uids = $this->my_follow_uids();

        if(!empty($list)){
            foreach($list as $key => &$val){

                //是否关注
                $val['is_follow'] = in_array($val['id'],$my_follow_uids) ? 1 : 0;
            }
        }

        $this->success('success',$list);
    }

    //我的好友,有亲密度就算是好友
    public function my_friend_list(){

        //亲密度列表
        $intimacy = Db::name('user_intimacy')->alias('ui')
            ->field(['ui.id','ui.uid','ui.other_uid','ui.value','ui.level','
            u.nickname as u_nickname','u.avatar as u_avatar','ua.requesttime as ua_requesttime','
            ou.nickname as ou_nickname','ou.avatar as ou_avatar','oua.requesttime as oua_requesttime'])
            ->join('user u'         ,'ui.uid = u.id','LEFT')
            ->join('user_active ua' ,'ui.uid = ua.user_id','LEFT')
            ->join('user ou'        ,'ui.other_uid = ou.id','LEFT')
            ->join('user_active oua','ui.other_uid = oua.user_id','LEFT')
            ->where('(ui.uid = '.$this->auth->id.') or (ui.other_uid = '.$this->auth->id.')')
            ->where('ui.value','gt','0.1')
            ->order('ui.value desc, ui.id desc')->select();
//        dump($intimacy);

        $result = [];
        if(!empty($intimacy)){
            foreach($intimacy as $key => $val){
                $newval = [];
                if($val['uid'] == $this->auth->id){
                    $newval = [
                        'id'               => $val['other_uid'],
                        'nickname'         => $val['ou_nickname'],
                        'avatar'           => $val['ou_avatar'],
                        'requesttime'      => $val['oua_requesttime'],
                        'intimacy'         => $val['value'],
                        'requesttime_text' => get_last_time($val['oua_requesttime']),
                    ];
                }else{
                    $newval = [
                        'id'               => $val['uid'],
                        'nickname'         => $val['u_nickname'],
                        'avatar'           => $val['u_avatar'],
                        'requesttime'      => $val['ua_requesttime'],
                        'intimacy'         => $val['value'],
                        'requesttime_text' => get_last_time($val['ua_requesttime']),
                    ];
                }
                $result[] = $newval;
            }
        }

        $this->success(1,$result);
    }



    //关注某人
    public function follow_one(){
        $follow_uid = input('follow_uid',0);

        if(!$follow_uid){
            $this->error(__('Invalid parameters'));
        }

        $checkuser = Db::name('user')->find($follow_uid);
        if(empty($checkuser)){
            $this->error('此用户不存在');
        }

        if($follow_uid == $this->auth->id){
            $this->error('不能关注自己');
        }

        $map = [
            'uid' => $this->auth->id,
            'follow_uid' => $follow_uid,
        ];

        $check = Db::name('user_follow')->where($map)->find();
        if($check){
            //取关
            $rs = Db::name('user_follow')->where($map)->delete();
            $this->success('操作成功');
        }

        $id = Db::name('user_follow')->insertGetId($map);

        $this->success('操作成功',$id);
    }

    //取关某人
    public function un_follow_one(){
        $follow_uid = input('follow_uid',0);
        if(!$follow_uid){
            $this->error(__('Invalid parameters'));
        }

        $checkuser = Db::name('user')->find($follow_uid);
        if(empty($checkuser)){
            $this->error('此用户不存在');
        }

        $map = [
            'uid' => $this->auth->id,
            'follow_uid' => $follow_uid,
        ];

        //不检查，全删

        $rs = Db::name('user_follow')->where($map)->delete();
        $this->success('操作成功');
    }

    //我的关注uids
    private function my_follow_uids(){
        $list = Db::name('user_follow')->where('uid',$this->auth->id)->column('follow_uid');

        $list = array_flip($list);
        $list = array_flip($list);

        return $list;
    }

    //我的粉丝uids
    private function my_fans_uids(){
        $list = Db::name('user_follow')->where('follow_uid',$this->auth->id)->column('uid');
        
        $list = array_flip($list);
        $list = array_flip($list);

        return $list;
    }
}