data[document['email'] 사용법 변경 문의 및 following 함수 문의

  width: 8,
),
StreamBuilder<DocumentSnapshot>(
  stream: _followingStream(),
  builder: (context, snapshot) {
    if(!snapshot.hasData){
      print(snapshot.hasData);
      print('1');
      return Text('로딩중');
    }
    var data = snapshot.data?.data();

    if(data == null ||
        data[document['email']] ==null ||
        data[document['email']]   == false
    ){
      return GestureDetector(
        onTap: _follow,
        child: Text('팔로우',style: TextStyle(color:Colors.blue,fontWeight: FontWeight.bold),),
      );
    }

    return GestureDetector(
      onTap: _follow,
      child: Text('팔로우',style: TextStyle(color:Colors.blue,fontWeight: FontWeight.bold),),
    );
  }

[following 함수 문의]

var doc = FirebaseFirestore.instance.collection('following').doc(widget.user.email);

doc.set({
  widget.document['email'] : true,
});

if(data == null ||
    (data as Map<String, dynamic>)[widget.document['email']] ==null ||
    (data as Map<String, dynamic>)[widget.document['email']]   == false
 ){
   return GestureDetector(
     onTap: _follow,
     child: Text('팔로우',style: TextStyle(color:Colors.blue,fontWeight: FontWeight.bold),),
   );
 }