from rest_framework_jwt.utils import jwt_decode_handler
from rest_framework.response import Response
from .models import Comment
class CommentView(APIView):
    def post(self, request):
    """
    1.token
    2.course_id
    3.content
    4.fid
    """
    # 1.获取参数
    token = request.data.get(‘token‘)
    course_id = request.data.get(‘course_id‘)
    content = request.data.get(‘content‘)
    # 2.验证是否为空
    if not all([token, course_id,content]):
        return Response({‘code‘:9999,‘msg‘:‘参数不全‘})
    # 3.通过jwt token获取用户: {‘user_id‘: 2, ‘username‘: ‘lisi‘, ‘exp‘:
1561504444, ‘email‘: ‘‘}
    toke_user = jwt_decode_handler(token)
    user_id = toke_user.get(‘user_id‘)
    fid = request.data.get(‘fid‘)
    # 4.创建评论
    # 4.1 如果没有评论父ID证明是第一次评论，直接创建到评论表
    if not fid:
        Comment.objects.create(
            user_id=user_id,
            course_id = course_id,
            content = content
        )
    else:
        to_user = ‘‘
    return Response({‘code‘: 0, ‘msg‘: ‘发表品论成功‘})

# 通过用户token获取用户信息
from rest_framework_jwt.utils import jwt_decode_handler
toke_user = jwt_decode_handler(token)
# {‘user_id‘: 2, ‘username‘: ‘lisi‘, ‘exp‘: 1561504444, ‘email‘: ‘‘}