How to use values passed by jquery/ajax in django view - ajax

Question

How do I retrieve and use the data passed to view via ajax? In this example I'm trying to implement a reddit like upvote/downvote system
html/js:
{% for post in posts %}
<h2>{{ post.title }}</h2>
{{ post.upvotes }}<button data-id="{{post.id}}" data-vote="up" class="vote" type="submit">Upvote</button>
{{ post.downvotes }}<button data-id="{{post.id}}" data-vote="down" class="vote" id="downvote" type="submit">Downvote</button>
{% endfor %}
<script>
$(".vote").click(function () {
var id = $(this).data("id"); //get data-id
var vote_type = $(this).data("vote"); //get data-vote
};
$.ajax({
url: '/ajax/upvote/',
data: {
'id': id,
'vote_type':vote_type,
}
});
</script>
urls.py:
url(r'^ajax/upvote/$', views.upvote, name='upvote'),
view:
def upvote(request):
#how do i use 'id' and 'vote_type' values here?

Answer 1

You need to first edit your javascript to send the csrf token, and register a POST url in your url.py .
{% for post in posts %}
<h2>{{ post.title }}</h2>
{{ post.upvotes }}<button data-id="{{post.id}}" data-vote="up" class="vote" type="submit">Upvote</button>
{{ post.downvotes }}<button data-id="{{post.id}}" data-vote="down" class="vote" id="downvote" type="submit">Downvote</button>
{% endfor %}
<script>
$(".vote").click(function () {
var id = $(this).data("id"); //get data-id
var vote_type = $(this).data("vote"); //get data-vote
};
$.ajax({
url: '/ajax/upvote/',
data: {
'id': id,
'vote_type':vote_type,
csrfmiddlewaretoken: '{{ csrf_token }}'
}
});
</script>
Now you can access the data you sent in your views.py in a usual way:
def upvote(request):
sentence= request.POST.get("id","")
upvote = request.POST.get("upvote","")
#continue doing your stuffs here...
Hope this helps.