I am trying to add a follow sistem to my django project my when running my code, I am getting a The QuerySet value for an exact lookup must be limited to one result using slicing. error, It is saying that the wrong part is on this line of code of the views.py file following_obj = Following.objects.get(user=user).
views.py
def profile(request, username=None):
profile, created = Profile.objects.get_or_create(user=request.user)
if username:
post_owner = get_object_or_404(User, username=username)
user_posts = Profile.objects.filter(user_id=post_owner)
user = User.objects.filter(username=username)
is_following = Following.objects.filter(user=request.user, followed=user)
following_obj = Following.objects.get(user=user)
follower, following = following_obj.follower.count(), following_obj.followed.count()
else:
post_owner = request.user
user_posts = Profile.objects.filter(user=request.user)
args1 = {
'post_owner': post_owner,
'user_posts': user_posts,
'connection': is_following,
'follower': follower,
'following': following,
}
return render(request, 'profile.html', args1)
def follow(request, username):
main_user = request.user
to_follow = User.objects.get(username=username)
following = Following.objects.filter(user = main_user, followed = to_follow)
is_following = True if following else False
if is_following:
Following.unfollow(main_user, to_follow)
is_following = False
else:
Following.follow(main_user, to_follow)
is_following = True
resp = {
'following': is_following,
}
response = json.dumps(resp)
return HttpResponse(response, content_type="application/json")
models.py
class Profile(models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE)
profile_pic = models.ImageField(upload_to='profile_pics', null=True, blank=True, default='default.png')
bio = models.CharField(max_length=400, default=1, null=True)
follower = models.IntegerField(default=0)
following = models.IntegerField(default=0)
def __str__(self):
return f'{self.user.username} Profile'
class Following(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
followed = models.ManyToManyField(User, related_name="followed")
follower = models.ManyToManyField(User, related_name="follower")
@classmethod
def follow(cls, user, another_account):
obj, created = cls.objects.get(user = user)
obj.followed.add(another_account)
print("followed")
@classmethod
def unfollow(cls, user, another_account):
obj, create = cls.objects.get(user = user)
obj.followed.remove(another_account)
print("unfollowed")
def __str__(self):
return f'{self.user.username} Profile'
profile.html
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
{% if connection and not request.user == post_owner %}
<a type="button" class="btn btn-outline-primary" id="follow" role="button" href="{% url 'follow' post_owner.username %}">Unfollow</a>
{% elif not connection and not request.user == post_owner %}
<a type="button" class="btn btn-outline-primary" id="follow" role="button" href="{% url 'follow' post_owner.username %}">Follow</a>
{% endif %}
<p>Follower : {{follower}} Following : {{following}}</p>
<script type="text/javascript">
$("#follow").click(function(e){
e.preventDefault();
var href = this.href;
$.ajax({
url : href,
success : function(response){
if(response["following"]){
$("#follow").html("Unfollow");
}
else{
$("#follow").html("Follow");
}
}
})
})
</script>